Academic literature on the topic 'Aerial part'
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Journal articles on the topic "Aerial part"
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Amorim, J. H. "Numerical modelling of the aerial drop of firefighting agents by fixed-wing aircraft. Part I: model development." International Journal of Wildland Fire 20, no. 3 (2011): 384. http://dx.doi.org/10.1071/wf09122.
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The efficiency of the aerial drop of firefighting agents (water and retardants) is extremely dependent on pilot skills in dealing with complex atmospheric conditions, mostly because on-board systems for computer-assisted drops have not yet been used operationally. Hence, numerical modelling tools can be of primary importance for the optimisation of firefighting operations and in the testing of new chemical products. The current work addresses the development of the operational Aerial Drop Model. This numerical tool allows a near real-time simulation of aerial drops with fixed-wing aircraft, while covering the fundamental stages of the process. It copes with a wide range of product viscosities, from water to highly thickened long-term retardants. The Aerial Drop Model simulates the continuous stripping of droplets from the liquid jet by the action of Rayleigh–Taylor and Kelvin–Helmholtz instabilities applying the linear stability theory. The subsequent secondary breakup and deformation of the formed droplets due to aerodynamic forces is based on experimental correlations defined in terms of the dimensionless Weber number. Droplet trajectories are computed by applying a Lagrangian approach, in which a dynamical drag module accounts for the effect of deformation. This operational tool provides an improved understanding of the behaviour and effectiveness of aerially delivered firefighting liquids.
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Федосеева (Fedoseeva), Людмила (Ljudmila) Михайловна (Mihajlovna), and Георгий (Georgij) Родионович (Rodionovich) Кутателадзе (Kutateladze). "STUDY OF SOME PHENOLIC COMPOUNDS OF THE COMMON SORREL AERAL PART, GROWING IN THE AL-TAI TERRITORY." chemistry of plant raw material, no. 4 (April 18, 2017): 91–96. http://dx.doi.org/10.14258/jcprm.2017041861.
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Common sorrel (Rumex acetosa L.), Polygonaceae family, two-year herbaceous plant, contains a complex of biologically active compounds, based on phenolic compounds (flavonoids, coumarins, anthracene derivatives, tannins). Since ancient times it has been used in folk medicine as an anti-inflammatory, hemostatic, astringent. The purpose of this work is to study the composition of phenolic compounds of the aerial part of common sorrel, which grows on the territory of the Altai Territory. To achieve this goal, it is necessary to solve the following tasks: performe of qualitative reactions on phenolic compounds different groups, separation and identification of phenolic compounds by high-performance liquid chromatography.The results of qualitative reactions allow to suggest the presence of flavonoids flavone and flavanol groups, anthracene derivatives of the chrysacin group, coumarins and condensed tannins in aerial part.High-performance liquid chromatography of common sorrel aerial part ethanol extract (extrctant – 70% ethanol) were used to identify the flavonoids of the flavanol group: kaempferol and quercetin derivatives, anthracene derivatives of the chrysacin group.The studies are aimed at studying the possibility of using the aeral part of common sorrel in medicine. Based on the conducted studies, the development of normative documentation for medicinal plant raw materials is being carried out.
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Pliekhova, G. A., M. V. Kostikova, S. M. Neronov, B. S. Karpishen, S. O. Kashkevych, and Yu O. Kovtunov. "A multiple-input-multiple-output (MIMO) system for unmanned aerial vehicles with regularization." Bionics of Intelligence 2, no. 101 (2024): 39–47. https://doi.org/10.30837/bi.2024.2(101).06.
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The paper proposes a system with multiple inputs and multiple outputs (MIMO) for unmanned aerial vehicles with regularization. The proposed system is characterized by the fact that the receiving part of the transceiver system of the unmanned aerial vehicle additionally contains a regularization block, and the output of the channel state evaluation module of the receiving part of the transceiver of the unmanned aerial vehicle is connected to the first input of the regularization block, the first output of the regularization unit is connected to the input of the demodulator of the first channel of the receiving part of the transceiver of the unmanned aerial vehicle, and the second output of the regularization unit is connected to the input of the demodulator of the second channel of the receiving part of the transceiver of the unmanned aerial vehicle. The technical result is an increase in immunity and the speed of information transmission of the control and data transmission channels of unmanned aerial vehicles, and as a result, an increase in the stability of the operation of the transceivers of unmanned aerial vehicles
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Jia, Chengxia, Mu Yang, Jiangqi Qu, Pan Liu, Zhiming Xin, and Qingjing Zhang. "Distribution and accumulation characteristics of nitrogen and phosphorus of 16 species of plants on ecological floating-bed." Advances in Engineering Technology Research 1, no. 1 (2022): 55. http://dx.doi.org/10.56028/aetr.1.1.55.
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The distribution and accumulation characteristics of total nitrogen (TN) and total phosphorus (TP) in the aerial and underground parts of 16 species of plants on ecological floating-bed were studied, and showed significant differences. The TN contents in the aerial part and underground part were 1.09%-2.91% and 0.68%-2.22%, respectively. The TN contents in the aerial and underground parts of Dracaena sanderiana were both the highest among the 16 species of plants. The TP content in the aerial part ranged from 0.15% to 0.45%, and in the underground part ranged from 0.12% to 0.76%, respectively. The TP contents in the aerial part of Dieffenbachia picta was the highest, while in the underground part of Anthurium andraeanum was the highest. Translocation factors of 14 species of plants for TN were greater than 1, and 12 species of plants for TP were greater than 1, respectively. Arundo donax var. versicolor which had considerable absolute accumulation of TN and TP both in the aerial and underground parts, can effectively remove nitrogen and phosphorus from water, will be a promising potential plant in applying of ecological floating-bed technology.
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Zhang, Dian, Xiao Wang, Rong Li, et al. "Extract of the Aerial Part of Polygala tenuifolia Attenuates d-Galactose/NaNO2-induced Learning and Memory Impairment in Mice." Planta Medica 86, no. 18 (2020): 1389–99. http://dx.doi.org/10.1055/a-1212-3212.
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AbstractAlzheimerʼs disease, one of the most common types of age-related dementia, is characterized by memory deterioration and behavior disorder. The aboveground part of Polygala tenuifolia is a traditional Chinese medicine used for the treatment of amnesia. This study was conducted to investigate the ameliorating effect of the aerial part of P. tenuifolia on d-galactose/NaNO2-induced learning and memory impairment in mice. d-galactose (120 mg/kg) and NaNO2 (90 mg/kg) were injected intraperitoneally for 60 days to induce learning and memory impairment in mice. The aerial part of P. tenuifolia (25, 50, and 100 mg/kg) and piracetam (200 mg/kg) were simultaneously administered orally on days 15 – 60. Results of this study showed that aerial part of P. tenuifolia significantly decreased the latency time and increased the number of platform crossings in the Morris water maze compared with the Model group. Moreover, the aerial part of P. tenuifolia significantly increased the latency time and decreased the error frequency in the step-down and step-through tests compared with the Model group. Meanwhile, the aerial part of P. tenuifolia was able to regulate the cholinergic system by increasing the levels of ACh and ChAT and decreasing the level of AChe. The aerial part of P. tenuifolia also significantly attenuated the levels of interleukin-1 beta and malonaldehyde and enhanced the interleukin-10 and glutathione levels and superoxide dismutase activity. Furthermore, treatment with aerial part of P. tenuifolia increased the protein and mRNA expression of brain-derived neurotrophic factor and tropomyosin receptor kinase B in the hippocampus. These results suggest that the aerial part of P. tenuifolia can ameliorate learning and memory impairments by modulating cholinergic activity, inhibiting neuroinflammation and oxidative stress, and regulating the brain-derived neurotrophic factor and tropomyosin receptor kinase B signaling pathway.
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Abdullaeva, R. Kh, Kh M. Bobakulov, K. K. Turgunov, S. Z. Nishanbaev, I. D. Sham’yanov, and N. D. Abdullaev. "Flavons from the Aerial Part of Lepidolopha komarowii." Chemistry of Natural Compounds 57, no. 1 (2021): 154–55. http://dx.doi.org/10.1007/s10600-021-03304-2.
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Thapsut, Monnapa, Suriphon Singha, Chonticha Seeka, and Somyote Sutthivaiyakit. "Megastigmanes from the aerial part of Euphorbia heterophylla." Phytochemistry Letters 44 (August 2021): 42–47. http://dx.doi.org/10.1016/j.phytol.2021.05.006.
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Azizov, D. Z., R. K. Rakhmanberdyeva, and M. Kh Malikova. "Polysaccharides from the Aerial Part of Ferula tenuisecta." Chemistry of Natural Compounds 57, no. 4 (2021): 603–6. http://dx.doi.org/10.1007/s10600-021-03432-9.
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Romeo, V., A. Verzera, S. Ragusa, and C. Condurso. "The Aerial Part Headspace Constituents ofOtanthus maritimusL. (Asteraceae)." Journal of Essential Oil Bearing Plants 10, no. 3 (2007): 173–78. http://dx.doi.org/10.1080/0972060x.2007.10643538.
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Luis, Javier G., Winston Quiñones, Teresa A. Grillo, and Martha P. Kishi. "Diterpenes from the aerial part of Salvia columbariae." Phytochemistry 35, no. 5 (1994): 1373–74. http://dx.doi.org/10.1016/s0031-9422(06)80130-5.
Full textDissertations / Theses on the topic "Aerial part"
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Basson, Lionel. "Control allocation as part of a fault-tolerant control architecture for UAVs." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6722.
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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2011.<br>ENGLISH ABSTRACT: The development of a control allocation system for use as part of a fault-tolerant control
(FTC) system in unmanned aerial vehicles (UAVs) is presented. This system plays a
vital role in minimising the possibility that a fault will necessitate the reconfiguration of
the control, guidance or navigation systems of the aircraft by minimising the difference
between the desired and achievable aircraft performance parameters. This is achieved
by optimising the allocation of control effort commanded by the virtual actuators to the
physical actuators present on the aircraft.
A simple general six degree of freedom aircraft model is presented that contains all of
the relevant terms needed to find the trim biases of the aircraft actuators and evaluate
the performance of the virtual actuators. This model was used to develop a control
allocation formulation that optimises the performance of the virtual actuators of the
aircraft while minimising adverse effects and avoiding actuator saturation. The resulting
problem formulation was formulated as a multi-objective optimisation problem which was
solved using the sequential quadratic programming method.
The control allocation system was practically implemented and tested. A number of
failure categories of varying severity were defined and two aircraft with different levels
of actuator redundancy were used to test the system. The control allocation algorithm
was evaluated for each failure category, aircraft test case and for a number of differing
control allocation system configurations. A number of enhancements were then made
to the control allocation system which included adding frequency-based allocation and
adapting the algorithm for an unconventional ducted-fan UAV.
The control allocation system is shown to be applicable to a number of different conventional
aircraft configurations with no alterations as well as being applicable to unconventional
aircraft with minor alterations. The control allocation system is shown to
be capable of handling both single and multiple actuator failures and the importance of
actuator redundancy is highlighted as a factor that influences the effectiveness of control
allocation. The control allocation system can be effectively used as part of a FTC system
or as a tool that can be used to investigate control allocation and aircraft redundancy.<br>AFRIKAANSE OPSOMMING: Die ontwikkeling van ’n beheertoekenning sisteem vir gebruik as deel van ’n fout verdraagsame
beheersisteem in onbemande lugvaartuie word voorgelê. Hierdie sisteem speel
’n essensiële rol in die vermindering van die moontlikheid dat ’n fout die herkonfigurasie
van die beheer, bestuur of navigasiesisteme van die vaartuig tot gevolg sal hê, deur die
verskil te verminder tussen die verlangde en bereikbare werkverrigtingsraamwerk van die
vaartuig. Dit word bereik deur die optimisering van die toekenning van beheerpoging
aangevoer deur die virtuele aktueerders na die fisiese aktueerders teenwoordig op die
vaartuig.
’n Eenvoudige algemene ses grade van vryheid lugvaartuig model word voorgestel wat
al die relevante terme bevat wat benodig word om die onewewigtigheid verstelling van
die vaartuig se aktueerders te vind en die werksverrigting van die virtuele aktueerders
te evalueer. Hierdie model is gebruik om ’n beheer toekenning formulering te ontwikkel
wat die werkverrigting van die virtuele aktueerders van die vaartuig optimiseer terwyl
nadelige gevolge verminder word asook aktueerder versadiging vermy word. Die gevolglike
probleem formulering is omskryf as ’n multi-doel optimiserings probleem wat opgelos is
deur gebruik van die sekwensiële kwadratiese programmerings metode.
Die beheertoekenning sisteem is prakties geïmplementeer en getoets. ’n Aantal fout kategorieë
van verskillende grade van erns is gedefinieer en twee vaartuie met verskillende
vlakke van aktueerder oortolligheid is gebruik om die sisteem te toets. Die beheer toekenning
algoritme is geëvalueer vir elke fout kategorie, vaartuig toetsgeval, asook vir ’n aantal
verskillende beheertoekenning sisteem konfigurasies. ’n Aantal verbeterings is aangebring
aan die beheertoekenning sisteem, naamlik die toevoeging van frekwensie gebaseerde
toekenning en wysiging van die algoritme vir ’n onkonvensionele onbemande geleide waaier
lugvaartuig.
Die beheertoekenning sisteem is van toepassing op ’n aantal verskillende konvensionele
vaartuig konfigurasies met geen verstellings asook van toepassing op onkonvensionele
vaartuie met geringe verstellings. Die beheertoekenning sisteem kan beide enkel- en
veelvoudige aktueerder tekortkominge hanteer en die belangrikheid van aktueerder oortolligheid is beklemtoon as ’n faktor wat die effektiwiteit van beheertoekenning beïnvloed.
Die beheertoekenning sisteem kan effektief geïmplementeer word as deel van ’n fout verdraagsame
beheersisteem of as ’n werktuig om beheertoekenning en vaartuig oortolligheid
te ondersoek.
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Mundim, Gabriel Borges. "Genetic diversity, path analysis and association mapping for nitrogen use efficiency in popcorn." Universidade Federal de Viçosa, 2013. http://locus.ufv.br/handle/123456789/4780.
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Previous issue date: 2013-02-22<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Os objetivos deste estudo foram (i) identificar linhagens de milho-pipoca eficientes no uso de nitrogênio; (ii) avaliar a diversidade genética entre linhagens de milhopipoca em alto e baixo N; (iii) investigar os efeitos causais de vários caracteres sobre a eficiência no uso de nitrogênio (NUE) e (iv) identificar marcadores SSR associados com caracteres relacionados à NUE. Foram avaliadas 25 linhagens-elite de milhopipoca pertencentes às populações 'Viçosa' e 'Beija-Flor', em alto e baixo N. Foram
mensurados os seguintes caracteres: crescimento diário (DG, cm), massa de parte aérea (SDW, mg), de raiz (RDW, mg), e da planta total seca (TDW, mg), razão parte aérea:raiz seca (RSR), eficiência no uso (NUE, mg mg-¹), na absorção (NUpE, mg mg-¹) e na utilização (NUtE, mg mg-¹) de nitrogênio, diâmetro médio (RAD, mm), comprimento total (TRL, cm), área superficial (RSA, cm²) e volume (RV, cm³) de raízes. Foram identificadas linhagens eficientes em cada nível de N. A avaliação da diversidade genética pelo método de agrupamento UPGMA baseado no quadrado da Distância Euclidiana Média resultou em quatro grupos de linhagens para cada nível de N e a análise de componentes principais mostrou que as linhagens poderiam ser agrupadas predominantemente pelos seus caracteres de parte aérea. A eficiência na absorção de N (NUpE) foi a característica mais importante para a NUE em estádios precoces de desenvolvimento da planta em ambos os níveis de N, por apresentar alta correlação e alto efeito direto sobre a variável principal (NUE) na análise de trilha. Em baixo N, a eficiência na utilização de N (NUtE) também apresentou alta correlação e alto efeito direto sobre a variável NUE, mostrando ser uma característica importante para esta condição nesses estádios. Contudo, a seleção direta ainda parece ser o melhor método para aumentar a eficiência de seleção para NUE em estádios precoces. Três marcadores SSR foram validados como associados com os caracteres
relacionados à NUE pela análise de mapeamento associativo baseada em ANOVA.<br>The objectives of this study were to (i) identify efficient inbred lines in nitrogen use; (ii) assess the genetic diversity among popcorn inbred lines under high and low N; (iii) investigate the causal effects of several traits in nitrogen use efficiency (NUE)
and (iv) identify SSR markers associated with the traits related to NUE. Twenty-five elite popcorn inbred lines belonging to the 'Viçosa' and 'Beija-Flor' populations were evaluated under high and low N. The following traits were assessed: daily growth
(DG, cm), shoot dry weight (SDW, mg), root dry weight (RDW, mg), total plant dry weight (TDW, mg), root:shoot ratio (RSR), nitrogen use efficiency (NUE, mg mg-¹), nitrogen uptake efficiency (NUpE, mg mg-¹), nitrogen utilization efficiency (NUtE,
mg mg-¹), root average diameter (RAD, mm), total root length (TRL, cm), root surface area (RSA, cm²) and root volume (RV, cm³). Efficient inbred lines were identified under each N level. The genetic diversity assessment using the UPGMA
method based on the squared Mean Euclidean distance grouped the inbred lines into four clusters for each N level and the principal component analysis revealed that the inbred lines could be categorized predominantly by their shoot traits. Nitrogen uptake efficiency (NUpE) was the most important trait for NUE in the early stages of plant development under both N levels, due its high correlation with and high direct
effect on NUE obtained in the path analysis. Under low N, nitrogen utilization efficiency (NUtE) also showed high correlation with and direct effect on NUE, demonstrating its importance in this N level in these early stages. Notwithstanding,
the direct selection still seems to be the best method to increase the selection efficiency for NUE in these early stages. Furthermore, three SSR markers were identified as true associations with the traits related to NUE, through the association mapping analysis based on ANOVA.
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Zaborowski, Robert Michael. "Onboard and parts-based object detection from aerial imagery." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5523.
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Approved for public release; distribution is unlimited.<br>The almost endless amount of full-motion video (FMV) data collected by Unmanned Aerial Vehicles (UAV) and similar sources presents mounting challenges to human analysts, particularly to their sustained attention to detail despite the monotony of continuous review. This digital deluge of raw imagery also places unsustainable loads on the limited resource of network bandwidth. Automated analysis onboard the UAV allows transmitting only pertinent portions of the imagery, reducing bandwidth usage and mitigating operator fatigue. Further, target detection and tracking information that is immediately available to the UAV facilitates more autonomous operations, with reduced communication needs to the ground station. Experimental results proved the utility of our onboard detection system a) through bandwidth reduction by two orders of magnitude and b) through reduced operator workload. Additionally, a novel parts-based detection method was developed. A whole-object detector is not well suited for deformable and articulated objects, and susceptible to failure due to partial occlusions. Parts detection with a subsequent structural model overcomes these difficulties, is potentially more computationally efficient (smaller resource footprint and able to be decomposed into a hierarchy), and permits reuse for multiple object types. Our parts-based vehicle detector achieved detection accuracy comparable to whole-object detection, yet exhibiting said advantages.
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Mthembu, Zandile Lorraine. "Studies of chemical constituents on the aerial parts of pelargoniumcapitatum." University of the Western Cape, 2017. http://hdl.handle.net/11394/6544.
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>Magister Scientiae - MSc<br>Pelargonium capitatum is a plant that is popular in essential oils. The isolated essential oil constituents from the flowers and leaves of the plant were obtained by hydrodistillation followed by GC-MS analysis. The following essential constituents were obtained in abundance from flowers and leaves 8, 11-octadecadienoic acid and citronellol, caryophyllen, α-cubebene, copaene, azulene, pentacosane, 9, 12- octadecadienoic acid.
Crude extracts from Pelargonium capitatum were fractionated through various chromatographic techniques in order to achieve satisfactory separations. Four compounds were characterized and the structural elucidation were unambiguously confirmed by spectroscopic methods including one and two-dimensional nuclear magnetic resonance and high resolution mass spectroscopy. The compounds were isolated from the ethyl acetate (2) and hexane (2) extracts, respectively. The four isolates were identified as quercetin, quercetin xylopyranoside, β-sitosterol and undecaprenol. The isolate and the different extracts were tested for cytotoxicity using brine shrimp lethality test. The results showed that quercetin and the extracts were active with hexane extract showed the highest cytotoxicity level of 1.5μg/ml. To the best of our knowledge quercetin xylopyranoside, β-sitesterol and undecaprenol compounds are reported for the first time from Pelargonium capitatum.
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Yuan, Soo-Hwa 1968. "Experiencing an aerial landscape : hang gliding park on a cliff." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/70712.
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Thesis (M. Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 1998.<br>Includes bibliographical references (p. 103).<br>This thesis is an exploration of architectural space as a contrasting and changing experience from the ground and from the ai r. It focuses on how architectural interventions may offer spatial experiences which may be instrumental in gaining a particular understanding of a place. The thesis design is an attempt to nurture the notions of my particular impression of the chosen site. The transformation of the natural landscape focuses on the procession as the body moves through space. It investigates a way architectural interventions may be choreographed, from the beginning, to disorient the visitors and to deprive them of the experiences of the site as a way to sharpen the senses and increase physical awareness of the body and the surroundings, while gradually reintroducing elements of these experiences to them in order to construct a particular understanding of the place.<br>by Soo-Hwa Yuan.<br>M.Arch.
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Kendall, Shana. "Effects of Aerial Exposure on Preservation of Low-Temperature Calothrix Biosignatures in Silica Sinter from Queen's Laundry, Yellowstone National Park, USA." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2537.
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Mineral-depositing hydrothermal ecosystems, such as the hot springs in Yellowstone National Park, provide an unparalleled opportunity to document how microbial biosignatures form and contribute to the body of evidence indicative of the microbial inhabitants of active hot springs. Mineralization of microbial communities in silica-depositing hot springs can result in the preservation of microbial biofacies in the geologic record. To determine the effects of prolonged aerial exposure on the preservation potential of mid-to-low temperature cyanobacteria dominated microbial communities that are typically permineralized in the siliceous sinter, modern biofacies samples of such communities were collected from the active and inactive parts of Queen's Laundry hot spring in Yellowstone National Park. The strategy of the research was to: (1) perform qualitative and quantitative characterization of structural and morphometric attributes of subaqueous and aerially exposed Calothrix biofacies samples collected from terraces; and (2) determine whether prolonged subaerial exposure affected the fidelity of morphological biosignatures (i.e., biofabrics and microbial cells) in the aerially exposed samples.
To ensure that the permanently subaqueous and aerially exposed samples were comparable, a protocol developed to describe structural and morphological attributes of stromatolites was utilized to characterize the hot spring samples. Morphometric analysis of both types of Calothrix biofacies samples (i.e., partly silicified subaqueous and aerially exposed samples) revealed the presence of: distinct microbially influenced structures; thicker lamina at or near the base of the terraces; the greatest density of microorganisms in microbial structures; and increased microbial structure flatness as height of the microbial structures within the terrace proper increased. These characteristics were also used to provide a means to interpret the environmental conditions within which the terrace structures developed.
To determine whether prolonged subaerial exposure affected the morphological fidelity of the biosignatures in the aerially exposed samples, the microstructure of these samples was studied in detail petrographically. A silica layer defined the boundary between laminae and was referred to as the "capping" silica deposit because it was found to "cap" all of the laminae in the Calothrix biofacies samples. The top most capping silica deposit of the aerially exposed Calothrix biofacies samples was found to be distinctly different from the capping silica deposits in the interior of the same sample and in the partly mineralized subaqueous Calothrix biofacies samples. The aerially exposed capping silica deposit was milky and glassy in appearance and contained fine laminations. The fine laminations were not found in any laminae of the biofacies samples.
Another key finding of the project is a new evaluation of the preservation potential of the Calothrix terrace samples. Petrographic observations revealed that preservation of the morphological fidelity of the laminae and the microstructures within them was significantly higher within the microbial shrub and domical structures in both the partially silicified subaqueous and aerially exposed Calothrix biofacies samples than other microstructure types observed.
In summary, a detailed morphometric characterization protocol confirmed that it is possible to identify similar features in Calothrix biofacies found inside the active part of the hot spring as well as beyond the perimeter (i.e., aerially exposed for ≥ 3 years) at multiple spatial scales; only the top-most capping silica deposit of the aerially exposed samples is altered by subaerial exposure; the preservation potential for Calothrix biofabrics is highest within shrub and domical structures; and morphometric analysis on a variety of Calothrix terraced structures could lend insight into the factor(s) responsible for terrace formation. This research lays the foundation for analyzing similar structures in geologically older rocks and for recognizing how microbial organisms can and likely have influenced terrace formation. The work also suggests that aerial processes can alter such samples and biosignatures within them. It is recommended that additional non-destructive and spatially correlated analytical methods be considered in the search for chemofossils in the sinter surrounding filaments past and present.
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Soares, Bernardo. "UAS e Reconhecimento Terrestre: contributos para ummodelo de instrução e treino." Master's thesis, Academia Militar. Direção de Ensino, 2013. http://hdl.handle.net/10400.26/7992.
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Os Unmanned Aerial Systems têm vindo a adquirir um papel cada vez mais
importante na atualidade. A sua evolução tem sido exponencial e o seu campo de aplicação
diverso.
Os Exércitos modernos vêm nestes meios capacidades úteis para a missão
Reconhecimento, daí que tenham começado a explorar esta vertente da aviação e da tecnologia. O Exército Português não é excepção e tem nos quadros orgânicos dos Elementos da Componente Operacional do Sistema de Forças contemplado o uso de Unmanned Aerial Systems.
O presente Trabalho de Investigação Aplicada procura clarificar os conceitos
relacionados com os Unmanned Aerial Systems, caracterizar os modelos de formação nacional e estrangeiros, caracterizar a formação e o treino dos elementos afetos a estes sistemas e fornecer contributos ao nível da formação e do treino para a realidade do Exército Português.
Para atingir os objetivos propostos fazem-se dois estudos de caso sobre os
Exércitos Espanhol e Norte-Americano incidindo sobre vários aspetos que os Unmanned Aerial Systems implicam. Fazendo a comparação com o que existe atualmente no Exército Português tecem-se algumas reflexões. São também entrevistados quatro oficiais que desempenham ou desempenharam funções de comandante de Esquadrão de Reconhecimento para perceber o seu ponto de vista em relação à integração dos novos
sistemas nos seus Esquadrões. Uma outra entrevista é dirigida a uma entidade com responsabilidade na produção de Doutrina para a formação e treino para se perceber o impacto da inclusão dos sistemas no Quadros Orgânicos Portugueses nestas áreas.
O Exército Português ainda não possui sistemas UAS, porém está envolvido em
projetos que são parte do caminho a seguir para chegar à aquisição de um sistema UAS.
Identificado o sistema e as suas características dar-se-á início ao método da Abordagem Sistémica da Instrução cujo produto será o modelo de formação e treino mais adequado.<br>Abstract The Unmanned Aerial Systems has come to acquire an increasingly more important role for today. Its evolution has been exponential and its field of aplication diverse.
Modern Armies saw in these means useful skills for Reconaissance missions so that
have begun to explore this aspect of aviation and technology. The Portuguese Army is no exception and has organic frameworks of the Forces System Operational Component Elements contemplating the use of Unmanned Aerial Systems.
This Applied Research Work establishes as objectives clarify the concepts related
to the Unmanned Aerial Systems, characterize national and foreign models of training, characterize the training and the training at the level of the unmanned means and its integration in the units of maneuver, and provide contributions to the reality of the Portuguese Army To achieve the proposed objectives we make two case studies about Spanish and North American Armies focusing on several aspects that the Unmanned Aerial Systems entail. Making the comparison with what exists currently in Portuguese Army we make some reflections. We also interviewed four officers who play or have already played roles of Commander of Reconaissance Squadron to understand their point of view in relation to the integration of new systems in their squads. Another interview is directed to an entity with responsibility in the production of Doctrine to the training to understand the impact of the inclusion of systems in the Portuguese Organic Frameworks in these areas.
The Portuguese Army still has no UAS systems, however is involved in projects that are part of a path to follow to get to the purchase of a UAS system. Identified the system and its characteristics the Systemic Approach of Instruction method will initiate whose product will be the most appropriate model of training.
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Peterson, Dirk N. "Using large scale aerial images for 3D visualizations of Marion Sampson Park mountain bike trails." Diss., Maryville, Mo. : Northwest Missouri State University, 2008. http://www.nwmissouri.edu/library/theses/PetersonDirk/index.htm.
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Thesis (M.S.)--Northwest Missouri State University, 2008.<br>The full text of the thesis is included in the pdf file. Title from title screen of full text.pdf file (viewed on December 17, 2008) Includes bibliographical references.
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Bitencourt, Luciane Rodrigues de. "O uso das séries históricas de fotografias aéreas para o monitoramento físico-espacial no Parque Estadual da Serra do Tabuleiro - SC /." Florianópolis, SC, 1999. http://repositorio.ufsc.br/xmlui/handle/123456789/81344.
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Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico.<br>Made available in DSpace on 2012-10-19T02:10:00Z (GMT). No. of bitstreams: 0Bitstream added on 2016-01-09T01:52:53Z : No. of bitstreams: 1
151031.pdf: 16422801 bytes, checksum: e44e05387f16867842d8db26b9b1aa51 (MD5)
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Kresge, Jared T. "Telerobotic system design for a remotely operated lightweight park flyer micro aerial vehicle." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1165012195.
Full textBooks on the topic "Aerial part"
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Mikkelsen, T. Project WIND, Phase IV, Dispersion Study: Aerial smoke plume obsrvatons and survace layer turbulence measuremens, part 1. Riso Library, 1989.
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Strain, Priscilla. Looking at earth: A Smithsonian Columbus quincentenary project, sponsored in part by the Eastman Kodak Company, Aerial Systems. Turner Pub., 1993.
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Strain, Priscilla. Looking at earth: A Smithsonian Columbus quincentenary project, sponsored in part by the Eastman Kodak Company, Aerial Systems. Turner Pub., 1992.
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United States. President (1993-2001 : Clinton). A report on NATO's operations against the Federal Republic of Yugoslavia: Communication from the President of the United States transmitting a report as part of his efforts to keep the Congress fully informed, consistent with the War Powers Resolution. U.S. G.P.O., 1999.
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S, Noller Jay, and Geological Survey (U.S.), eds. Aerial photographic interpretation of lineaments and faults in late Cenozoic deposits in the eastern part of the Benton Range 1:100,000 quadrangle and the Goldfield, Last Chance Range, Beatty, and Death Valley Junction 1:100,000 quadrangles, Nevada and California. U.S. Dept. of the Interior, Geological Survey, 1991.
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(Honduras), Instituto Geográfico Nacional. Guía para investigadores de Honduras. 3rd ed. Instituto Geográfico Nacional, 1996.
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Montana. Dept. of Fish, Wildlife, and Parks. Draft environmental assessment: Lewis and Clark Caverns State Park aerial weed spraying project. Montana Fish, Wildlife & Parks, 2007.
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M, Dunham K., WWF-SARPO (Organization), U.S. Fish and Wildlife Service., and Zimbabwe. Parks and Wildlife Management Authority., eds. Aerial survey of elephants and other large herbivores in Gonarezhou National Park, Zimbabwe, 2007. WWF-SARPO, 2007.
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Grün, Philippe. Para malgré lui: Chronique algérienne, 1958-1960. P. Grün, 1996.
Find full textBook chapters on the topic "Aerial part"
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Hunter, Michael, and Edward B. Davis. "The Aerial Noctiluca (1680)." In The Works of Robert Boyle, Part II Vol 2. Routledge, 2024. http://dx.doi.org/10.4324/9781003552444-4.
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Karamura, E. B., and D. A. Karamura. "Banana morphology — part II: the aerial shoot." In Bananas and Plantains. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0737-2_8.
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Poornima, Galiveeti, Deepak S. Sakkari, T. N. Manjunath, M. A. Sukruth Gowda, and R. Pallavi. "Analysis of Geospatial Data Collected by Drones as Part of Aerial Computing." In Transactions on Computer Systems and Networks. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-5056-0_3.
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Boshoff, Marius, Michael Miro, Martin Sudhoff, and Bernd Kuhlenkötter. "Use of Autonomous UAVs for Material Supply in Terminal Strip Assembly." In Annals of Scientific Society for Assembly, Handling and Industrial Robotics 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-10071-0_29.
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AbstractThe multi-variant small part assembly of terminal strips requires innovative approaches for automated picking and meeting increased product variability demands with increasing process flexibility. Unmanned Aerial Vehicles (UAVs) are likely to be used in material supply for small parts and, therefore, replace manual picking of parts that are rarely needed in assembly. An autonomous material supply in the 3rd dimension could break up fixed assembly processes, reduce picking time and raise the production flexibility. In this article, the share of manual picking time in a real terminal strip assembly line is determined, and UAVs as a potential transport solution for terminals and jumpers are presented.
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Tsaimou, Christina N., and Vasiliki K. Tsoukala. "Towards a Guide for Building Digital Twins of Port Infrastructure." In Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques. Firenze University Press, 2024. https://doi.org/10.36253/979-12-215-0556-6.89.
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Ports are critical infrastructure assets with a pivotal role in functional and spatial activities associated with maritime transportation. In an era of intense pressures on the digitalization of every part of the economy, building Digital Twins (DTs) of port systems has become increasingly important aiming at solving problems before they occur. Although port DTs are mostly used for logistics and operational purposes, DT technologies can also support lifetime performance management of port infrastructure by investigating the in-service structures’ behavior against potential degradation threats. To this end, the present work conceptualizes a guide for building DTs of port infrastructure based on Structural Health Monitoring (SHM) applications. The guide includes sensors mounted on Unmanned Aerial Vehicles, Geographic Information Systems tools, automation techniques, and structural condition assessments combined to assist in computer-aided twinning. To examine the effectiveness of the guide, a pilot DT was applied for the waterfront facilities of a Greek port, namely Lavrio port. The real-time replicas proved promising in searching for smart maintenance actions.
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Klein, John. "Triumph and Disaster of Collaboration: Henri Matisse and the Gobelins, 1946-1949." In L’Invention partagée. Presses universitaires Blaise-Pascal, 2019. https://doi.org/10.4000/141m5.
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Following the Second World War, France’s newly established Mobilier national, the bureau responsible for official State commissions of artworks, sought to revive traditional French decorative arts as part of a broader recovery effort. Tapestry, produced at the Gobelins and Beauvais manufactories then located in Paris, was at the center of this cultural initiative. The Gobelins (as they were called collectively) had two main motivations: to jump-start tapestry production after the war’s interruption; and to redress what Gobelins officials believed was a long-term and lamentable decline in this art beginning in the nineteenth century. Fresh thinking led the Gobelins to invite well-known painters to design for the looms. Among the most prominent of these artists was Henri Matisse (1869-1954). Although he had designed a tapestry for a private manufactory in the 1930s, Matisse was otherwise not known for work in this domain. His three tapestry designs for the Gobelins stretched the skills of the weavers and demonstrated how modern tapestry design could encompass both the traditional and the innovative. Woman with a Lute (Femme au luth) (cartoon 1946) with a classic tapestry subject and complex coloration, filled the role of a traditional tapestry for modern times. Polynesia, the Sky (Polynésie, le ciel) and Polynesia, the Sea (Polynésie, la mer) (both cartoons 1946) were stylized expressions of aerial and marine life in a highly simplified color scheme that was much more contemporary in character. But all three tapestry designs challenged the weavers and brought to the forefront the issue of the meaning of collaboration and the difficulties of translation, especially with the apparently much simpler Polynésie cartoons.
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Haque, Ziaul, and Mujeebur Rahman Khan. "Anguinidae: Anguina and Ditylenchus species." In Handbook of invasive plant-parasitic nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781789247367.0002.
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Abstract The gall-forming nematodes, Anguina spp., are obligate parasites and attack aerial plants parts of cereals and forage grasses. The genus Ditylenchus contains a large number of species which are mostly myceliophagous. A few species are phytophagous, but are of great importance as they attack more than 1200 species of cultivated and wild plants. This chapter includes information on: geographical distribution; host ranges; symptoms; biology and life cycle; economic importance; movement and means of dispersal; pest risk analysis; invasiveness; management measures; and detailed account of diagnosis procedures, such as morphological, biochemical, cytogenetic and molecular characterization, of Anguina and Ditylenchus species.
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Bornaetxea, Txomin, Andrée Blais-Stevens, and Brendan Miller. "Landslide Inventory Map of the Valemount Area, British Columbia, Canada. A Detailed Methodological Description." In Progress in Landslide Research and Technology, Volume 1 Issue 2, 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18471-0_27.
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AbstractLandslides are a recurring geomorphological process in high mountainous areas like Valemount in the Canadian Rocky Mountains, British Columbia. The compilation of detailed information about the spatial distribution and characteristics of past landslides is essential for assessing future potential hazards. To provide baseline geoscience information to stakeholders and decision-makers, we carried out a landslide inventory that covers roughly 1200 km2. Using visual interpretation of aerial orthophotos, a digital elevation model of 5 × 5 m resolution and satellite imagery, we compiled up to 1286 landslides and classified them into 11 categories and three levels of certainty. The current paper describes the mapping methodology and summarizes our results.
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Vella, Marc-Antoine, Apostolos Sarris, Athos Agapiou, and Vasiliki Lysandrou. "Sensing the Cultural Heritage from Above. The Case from Cyprus." In One World Archaeology. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-57900-4_5.
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AbstractThis chapter addresses the different remote sensing methodologies that have been applied for the study of the Cultural Heritage in Cyprus. Ground based geophysical prospection, aerial and satellite remote sensing, in tandem with soil analyses of cores, have been applied for the mapping of the archaeological sites and the reconstruction of the archaeoenvironment, but also for addressing issues related to the risk assessment of sites and monuments. Taking into account the different geological conditions of the island and some of its peculiarities (such as metamorphic and iron-rich geological formations), the success of these methods varies significantly. The past experiences can be used as a guideline for the wider and more successful application of the remote sensing techniques.
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Galletti, Yuri, Alessandro Dini, Francesca Logli, et al. "TurtleTosca: drone monitoring of the Caretta caretta nests in the Migliarino San Rossore Massaciuccoli Park." In Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques. Firenze University Press, 2024. https://doi.org/10.36253/979-12-215-0556-6.19.
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The loggerhead turtle (Caretta caretta) is the most abundant sea turtle species in the Mediterranean Sea. In 2023, 454 nests were identified along Italian beaches, these results represent the absolute Italian nesting record. It was also an exceptional year (2023) for Tuscany, in the central of Italy, where 24 nests were found. This area of central Italy seems to be no longer an exceptional site, so it is necessary to organize monitoring activities in order to cover most of the Tuscan beaches where Caretta caretta could nest. Between the mouths of two rivers, the Serchio and the Arno, lies a natural park, owned by the Tuscany Region, called the Migliarino San Rossore Massaciuccoli Natural Park (MSRM Park), a protected area with 34 km of protected coastline. With the aim of identifying, protecting and managing Caretta caretta turtle nests in this area, a monitoring program has been initiated using UAVs (Unmanned Aerial Vehicles), or drones, inside MSRM Park. In the first working season, which ran from June to August 2023, one carcass and some possible Caretta caretta tracks were identified, but no nest at the moment.
Conference papers on the topic "Aerial part"
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Qiu, Junyang, Zhanxiang Feng, Lei Wang, and Jianhuang Lai. "Salient Part-Aligned and Keypoint Disentangling Transformer for Person Re-Identification in Aerial Imagery." In 2024 IEEE International Conference on Multimedia and Expo (ICME). IEEE, 2024. http://dx.doi.org/10.1109/icme57554.2024.10687753.
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Yiang, Y. T. Horng, and J. H. Wang. "Corrosion Resistance of Various Mechanical Splice Closures in outside Plant Application." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89161.
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Abstract The resistance of various mechanical splice closures to stress corrosion cracking (SCC) and pitting corrosion in the manhole environment and aerial atmosphere of Taiwan was studied and evaluated in the laboratory and field. A constant-load SCC test with cathodic charging and pitting induction time measurement at open circuit potential were carried out to simulate the complex field condition. In addition, different mechanical closures were exposed at two exposure sites and also installed in a working underground test plant. A follow-up examination was made within two years. Through the laboratory test and field observation, it was found that the 304 stainless steel closure covering bolt was the only part suffering slight stress corrosion cracking; and hydrogen assisted stress cracking did not occur. The pitting induction time(ti)for 304 stainless steel under open circuit condition in air-saturated chloride solution follows the following relationships: log ti = c - 0.59log[Cl−] at 20°c - 80°c and log ti - K1 + 1.76/T at 40°c - 80°c. These results illustrate that increasing temperature and chloride concentration can effectively increase the susceptibility of 304 stainless steel to pit initiation by shortening the pit initiation time.
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Oku, H., F. Kitagawa, S. Aoki, K. Shimomura, and K. Ishiguro. "Antipruritic effects of the aerial part of Oxalis corniculata." In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3399963.
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Višnai, Kristián, and Branislav Kandera. "Anti-collision systems of unmanned aerial vehicles." In Práce a štúdie. University of Žilina, 2021. http://dx.doi.org/10.26552/pas.z.2021.1.31.
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The main goal of the paper is to summarize the knowledge about anti-collision systems of unmanned aerial vehicles. In the work are also described currenly used anti-collision systems of unmanned aerial vehicles. The work contains practical research in which we tested anti-collision systems of DJI Mavic 2 Pro. The purpose of the research was to find out how this unmanned aerial vehicle can avoid static obstacles. The second part of practical research is the analysis and comparison of systems that provide anti-collision actvity between unmanned aerial vehicle and aircraft in the vicinity. Part of the work is also the evaluation and selection of a cooperative anti-collision system for DJI Inspire 2. The conclusion of the papercontains a summary of the findings that we have obtained based on the analysis of available facts and using operational experience.
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Ďatko, Ondrej, and Branislav Kandera. "Possibilities of using unmanned aerial vehicles in forestry and agriculture." In Práce a štúdie. University of Zilina, 2021. http://dx.doi.org/10.26552/pas.z.2021.2.07.
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This work analyzes the penetration of the aviation, forestry and agriculture sector and aims to present forestry and agricultural activities where there is the possibility of using unmanned aerial vehicles. In the first chapter, the work deals with the characteristics of unmanned aerial vehicles, remote sensing, forestry and agriculture. The second chapter deals with a particular analyzes of scientific papers, articles and internet research, and on the basis of these analyzes presents examples of activities in which unmanned aerial vehicles can be used. The third chapter provides an overview of technological and software equipment needed to perform such activities or aerial work. In the fourth chapter, through the practical part, work focuses on examining the use of the mid-class unmanned aerial vehicle model for the plant health analysis, while providing justifications and findings from the results. As part of the practical part, it also provides practical information for the individual steps during the planning and operation of flight. In the fifth chapter, the work briefly summarizes the information and results collected, from which it suggests some possibilities for the use of unmanned aerial vehicles, such as their use in the vaccination of foxes, and the recommended procedures for operating flights or aerial work.
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Lei, Gao, Wang Lian-dong, Zeng Yong-hu, and Liu Guo-zhu. "Position estimation method for rotating part in Non-cooperation aerial target." In 2016 CIE International Conference on Radar (RADAR). IEEE, 2016. http://dx.doi.org/10.1109/radar.2016.8059569.
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Gánovský, Martin, and Branislav Kandera. "The use of unmanned aerial vehicles in the mountain rescue service." In Práce a štúdie. University of Žilina, 2021. http://dx.doi.org/10.26552/pas.z.2021.1.07.
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The theme of paper is the use of unmanned aerial vehicles in the Mountain rescue service. At the beginning, a brief summary about the history and development of unmanned aerial vehicles is made, starting from the very beginning to their gradual integration into the rescue systems all around the world. This part is followed by an analysis of the currently valid Slovak legislation regulating the rules of flying with unmanned aerial vehicles on the territory of Slovak Republic, which also affects the flight operations of mountain rescuers. Author also included an analysis of the European legislation, which should gradually replace the currently valid Slovak legislation and unify the rules of operation of unmanned aerial vehicles on the territory of the member states. The third chapter describes the use of specific types of unmanned aerial vehicles used by the Mountain rescue service of Slovak Republic and also of other European countries. We focused on the operational advantages and disadvantages compared to other types of aircraft technology used in the mountain rescue systems. The last part consists of an analysis of available equipment used in conjunction with unmanned aerial vehicles during avalanche accidents. Part of the work is also researching the possible extensions of mountain rescue operations by the implementation of modern avalanche beacons attached on the unmanned vehicles. In a research we focused mainly on the possible interference caused by the operation of unmanned aerial vehicle in close vicinity of an avalanche beacon.
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Kovtun-Vodyanytska, Svitlana. "Elemental composition of the aerial part of plants of the genus pycnanthemum michx." In VIIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, 2024. https://doi.org/10.53040/gppb8.2024.64.
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These are the results of the study of plants of the genus Pycnanthemum Michx. (Lamiaceae), which were introduced in the M.M. Gryshko National Botanical Garden of the NAS of Ukraine. The characteristics of the soil and climatic conditions of plant growth are given. The quantitative content of 22 chemical elements in the raw materials of plants in the flowering phase is established. It is revealed that some species, in particular P. californicum, P. montanum, P. muticum, are able to accumulate K, Na, Mg to a greater extent than other. Heavy metals Ni and Zn are also found in the raw materials.
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Blagojević, Vesna, Aleksandra Cvetković, Predrag Ivaniš, and Jelena Manojlović. "Integrated Satellite-Aerial-Terrestrial Networks for Data-collecting in IoT System with Wireless Powering." In XVII International Conference on Systems, Automatic Control and Measurements. University of Niš, Faculty of Electronic Engineering, Faculty of Mechanical Engineering, Niš, 2024. https://doi.org/10.46793/saum24.006b.
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The Internet of Things (IoT) has great impact on various aspects of everyday life and constantly brings new applications dedicated for diverse scenarios and environments. Additionally, this concept has an important contribution in automation processes which are often located in remote or industrial, hardly accessible areas. Conventionally used terrestrial systems has limitation in the possibility of its deployment due to natural and economic reasons, which brings the need for the network extension and the integration of satellite and aerial networks to work as the complementary part needed in specific scenarios. In this paper we present the overview of contemporary satellite and aerial networks, highlighting the scenarios where their implementation can enable services provisioning. In the further part we present the analysis of the system realized in remote area with the integrated terrestrial-aerial-satellite system and wireless power transfer employed for the powering of energy-limited IoT node.
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Dogan, Atilla, Timothy Lewis, and William Blake. "Wake-Vortex Induced Wind with Turbulence in Aerial Refueling - Part A: Flight Data Analysis." In AIAA Atmospheric Flight Mechanics Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-6696.
Full textReports on the topic "Aerial part"
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Taylor, R. B., and D. Frobel. Aerial video surveys, the coastline of Nova Scotia; Part 2: Atlantic Coast (Yarmouth to Halifax). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/208191.
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Taylor, R. B., and D. Frobel. Aerial video surveys, the coastline of Nova Scotia, part 3: Atlantic Coast (Halifax to Cape North). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2001. http://dx.doi.org/10.4095/212740.
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Kleber, Emily J., Greg M. McDonald, W. Adolph Yonkee, and Elizabegth Balgord Balgord. Interim Geologic Map of the Plain City Southwest 7.5' Quadrangle, Weber and Box Elder Counties, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-765.
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The Plain City Southwest (SW) and Ogden Bay 7.5′ quadrangles are in Weber, Box Elder, and Davis Counties. The quadrangles include parts of the communities of Hooper, Warren, and Reese, the Harold Crane Waterfowl Management Area, several waterfowl wetlands, as well as the southwestern corner of Willard Bay Reservoir. The North Fork and South Fork of the Weber River f low south into the Ogden Bay Wildlife Management Area at the edge of Great Salt Lake. The northwestern part of the Ogden Bay quadrangle and the southwestern part of the Plain City SW quadrangle contain most of Little Mountain, a small bedrock mountain with about 500 feet of relief. The western side of Little Mountain as well as the northern part of the Plain City SW quadrangle are part of Willard Bay of Great Salt Lake. Small meandering channels flow into the bays from local drainages. Numerous evaporation ponds related to industrial minerals production cover the central western and northwestern part of the Plain City SW quadrangle, obscuring geologic deposits. This mapping project will provide the basis for identifying and delimiting potential geologic hazards in future Utah Geological Survey (UGS) geologic hazard maps, part of the UGS Geologic Hazards Mapping Initiative (Castleton and McKean, 2012). Mapping for the project was done on stereographic pairs of aerial photographs from the following sources: black-and-white aerial photographs from the U.S. Department of Agriculture (USDA) Agricultural Stabilization and Conservation Service (1958, 1965, 1971a, 1971b). Mosaics of some USDA photographs were accessed using the Weber County web services (USDA Agricultural Stabilization and Conservation Service, 1937, 1962, 1980, 1985). Additional aerial photography sets from the National Agricultural Imaging Program (NAIP) were used (Utah Geospatial Resource Center [UGRC], mid-1990s, 2006, 2009, 2011, 2016a, 2018a, 2021a) as well as high-resolution (15cm) Hexagon imagery (Utah Geospatial Resource Center, 2021b). Most Quaternary unit contacts, including human disturbed areas, were mapped using two lidar elevation datasets (Utah Geospatial Resource Center [UGRC], 2016b, 2018b). The geologic map was made by transferring the geology from the aerial photographs to a geographic information system (GIS) database using the programs ESRI ArcPro and Global Mapper v. 18 for a target scale of 1:24,000. Cross section A-A′ was created in Adobe Illustrator. Field-based investigations included shallow subsurface investigations in targeted areas with a soil auger. Materials from 1 to 3 meters were observed, documented, and sampled, which aided in preparing descriptions of most Quaternary units.
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Kleber, Emily J., Greg M. McDonald, W. Adolph Yonkee, and Elizabegth Balgord. Interim Geologic Map of the Ogden Bay 7.5' Quadrangle, Weber and Davis Counties, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-766.
Full textAbstract:
The Plain City Southwest (SW) and Ogden Bay 7.5′ quadrangles are in Weber, Box Elder, and Davis Counties. The quadrangles include parts of the communities of Hooper, Warren, and Reese, the Harold Crane Waterfowl Management Area, several waterfowl wetlands, as well as the southwestern corner of Willard Bay Reservoir. The North Fork and South Fork of the Weber River f low south into the Ogden Bay Wildlife Management Area at the edge of Great Salt Lake. The northwestern part of the Ogden Bay quadrangle and the southwestern part of the Plain City SW quadrangle contain most of Little Mountain, a small bedrock mountain with about 500 feet of relief. The western side of Little Mountain as well as the northern part of the Plain City SW quadrangle are part of Willard Bay of Great Salt Lake. Small meandering channels flow into the bays from local drainages. Numerous evaporation ponds related to industrial minerals production cover the central western and northwestern part of the Plain City SW quadrangle, obscuring geologic deposits. This mapping project will provide the basis for identifying and delimiting potential geologic hazards in future Utah Geological Survey (UGS) geologic hazard maps, part of the UGS Geologic Hazards Mapping Initiative (Castleton and McKean, 2012). Mapping for the project was done on stereographic pairs of aerial photographs from the following sources: black-and-white aerial photographs from the U.S. Department of Agriculture (USDA) Agricultural Stabilization and Conservation Service (1958, 1965, 1971a, 1971b). Mosaics of some USDA photographs were accessed using the Weber County web services (USDA Agricultural Stabilization and Conservation Service, 1937, 1962, 1980, 1985). Additional aerial photography sets from the National Agricultural Imaging Program (NAIP) were used (Utah Geospatial Resource Center [UGRC], mid-1990s, 2006, 2009, 2011, 2016a, 2018a, 2021a) as well as high-resolution (15cm) Hexagon imagery (Utah Geospatial Resource Center, 2021b). Most Quaternary unit contacts, including human disturbed areas, were mapped using two lidar elevation datasets (Utah Geospatial Resource Center [UGRC], 2016b, 2018b). The geologic map was made by transferring the geology from the aerial photographs to a geographic information system (GIS) database using the programs ESRI ArcPro and Global Mapper v. 18 for a target scale of 1:24,000. Cross section A-A′ was created in Adobe Illustrator. Field-based investigations included shallow subsurface investigations in targeted areas with a soil auger. Materials from 1 to 3 meters were observed, documented, and sampled, which aided in preparing descriptions of most Quaternary units.
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Hubbard, Sarah M., and Bryan Hubbard. Investigation of Strategic Deployment Opportunities for Unmanned Aerial Systems (UAS) at INDOT. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317126.
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Unmanned aerial systems (UAS) are increasingly used for a variety of applications related to INDOT’s mission including bridge inspection, traffic management, incident response, construction and roadway mapping. UAS have the potential to reduce costs and increase capabilities. Other state DOTs and transportation agencies have deployed UAS for an increasing number of applications due to technology advances that provide increased capabilities and lower costs, resulting from regulatory changes that simplified operations for small UAS under 55 pounds (aka, sUAS). This document provides an overview of UAS applications that may be appropriate for INDOT, as well as a description of the regulations that affect UAS operation as described in 14 CFR Part 107. The potential applications were prioritized using Quality Function Deployment (QFD), a methodology used in the aerospace industry that clearly communicates qualitative and ambiguous information with a transparent framework for decision making. The factors considered included technical feasibility, ease of adoption and stakeholder acceptance, activities underway at INDOT, and contribution to INDOT mission and goals. Dozens of interviews with INDOT personnel and stakeholders were held to get an accurate and varied perspective of potential for UAVs at INDOT. The initial prioritization was completed in early 2019 and identified three key areas: UAS for bridge inspection safety as a part of regular operations, UAS for construction with deliverables provided via construction contracts, and UAS for emergency management. Descriptions of current practices and opportunities for INDOT are provided for each of these applications. An estimate of the benefits and costs is identified, based on findings from other agencies as well as projections for INDOT. A benefit cost analysis for the application of UAS for bridge inspection safety suggests a benefit cost over one for the analysis period.
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Klobucar, Blaz. Urban Tree Detection in Historical Aerial Imagery of Sweden : a test in automated detection with open source Deep Learning models. Faculty of Landscape Architecture, Horticulture and Crop Production Science, Swedish University of Agricultural Sciences, 2024. http://dx.doi.org/10.54612/a.7kn4q7vikr.
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Urban trees are a key component of the urban environment. In Sweden, ambitious goals have been expressed by authorities regarding the retention and increase of urban tree cover, aiming to mitigate climate change and provide a healthy, livable urban environment in a highly contested space. Tracking urban tree cover through remote sensing serves as an indicator of how past urban planning has succeeded in retaining trees as part of the urban fabric, and historical imagery spanning back decades for such analysis is widely available. This short study examines the viability of automated detection using open-source Deep Learning methods for long-term change detection in urban tree cover, aiming to evaluate past practices in urban planning. Results indicate that preprocessing of old imagery is necessary to enhance the detection and segmentation of urban tree cover, as the currently available training models were found to be severely lacking upon visual inspection.
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Asari, Vijayan, Paheding Sidike, Binu Nair, Saibabu Arigela, Varun Santhaseelan, and Chen Cui. PR-433-133700-R01 Pipeline Right-of-Way Automated Threat Detection by Advanced Image Analysis. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010891.
Full textAbstract:
A novel algorithmic framework for the robust detection and classification of machinery threats and other potentially harmful objects intruding onto a pipeline right-of-way (ROW) is designed from three perspectives: visibility improvement, context-based segmentation, and object recognition/classification. In the first part of the framework, an adaptive image enhancement algorithm is utilized to improve the visibility of aerial imagery to aid in threat detection. In this technique, a nonlinear transfer function is developed to enhance the processing of aerial imagery with extremely non-uniform lighting conditions. In the second part of the framework, the context-based segmentation is developed to eliminate regions from imagery that are not considered to be a threat to the pipeline. Context based segmentation makes use of a cascade of pre-trained classifiers to search for regions that are not threats. The context based segmentation algorithm accelerates threat identification and improves object detection rates. The last phase of the framework is an efficient object detection model. Efficient object detection �follows a three-stage approach which includes extraction of the local phase in the image and the use of local phase characteristics to locate machinery threats. The local phase is an image feature extraction technique which partially removes the lighting variance and preserves the edge information of the object. Multiple orientations of the same object are matched and the correct orientation is selected using feature matching by histogram of local phase in a multi-scale framework. The classifier outputs locations of threats to pipeline.�The advanced automatic image analysis system is intended to be capable of detecting construction equipment along the ROW of pipelines with a very high degree of accuracy in comparison with manual threat identification by a human analyst. �
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Taverna, Kristin. Vegetation classification and mapping of land additions at Richmond National Battlefield Park, Virginia: Addendum to technical report NPS/NER/NRTR 2008/128. National Park Service, 2022. http://dx.doi.org/10.36967/2294278.
Full textAbstract:
In 2008 and 2015, the Virginia Department of Conservation and Recreation, Division of Natural Heritage produced vegetation maps for Richmond National Battlefield Park, following the protocols of the United States Geological Survey (USGS) – National Park Service (NPS) Vegetation Mapping Program. The original 2008 report was part of a regional project to map and classify the vegetation in seven national parks in Virginia. The 2015 report was an addendum to the original report and mapped the vegetation in newly acquired parcels. Since 2015, the park has acquired an additional 820 acres of land within 12 individual parcels, including the 650 acre North Anna unit. This report is an addendum to the 2008 and 2015 reports and documents the mapping of vegetation and other land-use classes for the 12 new land parcels at Richmond National Battlefield Park, with an updated vegetation map for the entire park. The updated map and associated data provide information on the sensitivity and ecological integrity of habitats and can help prioritize areas for protection. The vegetation map of the new land parcels includes eighteen map classes, representing 14 associations from the United States National Vegetation Classification, one nonstandard, park-specific class, and three Anderson Level II land-use categories. The vegetation classification and map classes are consistent with the original 2008 report. Vegetation-map classes for the new land parcels were identified through field reconnaissance, data collection, and aerial photo interpretation. Aerial photography from 2017 served as the base map for mapping the 12 new parcels, and field sampling was conducted in the summer of 2020. Three new map classes for the Park were encountered and described during the study, all within the North Anna park unit. These map classes are Coastal Plain / Outer Piedmont Basic Mesic Forest, Northern Coastal Plain / Piedmont Oak – Beech / Heath Forest, and Southern Piedmont / Inner Coastal Plain Floodplain Terrace Forest. The examples of Coastal Plain / Outer Piedmont Basic Mesic Forest and Southern Piedmont / Inner Coastal Plain Floodplain Terrace Forest at North Anna meet the criteria of size, condition, and landscape context to be considered a Natural Heritage exemplary natural community occurrence and should be targeted for protection and management as needed. New local and global descriptions for the three map classes are included as part of this report. Refinements were made to the vegetation field key to include the new map classes. The updated field key is part of this report. An updated table listing the number of polygons and total hectares for each of the 28 vegetation- map classes over the entire park is also included in the report. A GIS coverage containing a vegetation map for the entire park with updated Federal Geographic Data Committee (FGDC) compliant metadata was completed for this project. The attribute table field names are the same as the 2008 and 2015 products, with the exception of an additional field indicating the year each polygon was last edited.
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Yoel, David, Tina Sicilia, Matthew Bogaart, and Jeremy Fernandes. PR-417-203902-R02 Remote Sensing and Leak Detection Platform that Can Deploy Multiple Sensor Types. Pipeline Research Council International, Inc. (PRCI), 2024. http://dx.doi.org/10.55274/r0000055.
Full textAbstract:
American Aerospace Technologies, Inc. has conducted a pilot project for the Pipeline Research Council, International to evaluate the performance of an automated threat detection system onboard a medium alti-tude, long endurance unmanned aircraft capable of beyond visual line of sight flight that can be used in the pipeline industry for routine patrol and surveillance as a risk reduction solution. The unmanned aircraft system test program evaluation was conducted at Test Site(s) in Pendleton, Oregon, Woodbine, New Jersey, and San Joaquin Valley, California using American Aerospace sensors, unmanned aircraft, test facilities and equipment. The primary objective of the project was to validate the performance of a remote sensing system capable of automated multi-threat surveillance, monitoring, and rapid reporting - operating on a long-range, long-endurance medium altitude unmanned aircraft capable of patrolling hundreds of miles of pipeline right-of-way per flight. The project included four flight campaigns that generated data from multiple sensors over staged and opportunistic targets, tested multiple algorithms, and measured key performance parameters on aerial patrol. In what is believed to be an industry first, an attempt was made to develop industry-wide aerial patrol performance guidance - key performance indicators - for sensor-based imminent threat detection sensitivity, reliability, robustness, and accuracy in alignment with industry standards for existing operator leak detection programs. Performance of the automated threat detection system on both manned and unmanned aircraft was com-pared by analyzing data from flights over staged targets and over a 78-mile pipeline corridor - flown by both types of aircraft - on the same day and at the same patrol altitudes. Differences in aircraft performance were also evaluated. Lastly, unmanned aircraft flight data was utilized as part of an ongoing application to the Federal Aviation Administration to integrate long-range unmanned aircraft into the national airspace in support for routine pipeline patrol.
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Fader, G. B. J., R. O. Miller, and B. J. Todd. Geological interpretation of Halifax Harbour, Nova Scotia, Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331504.
Full textAbstract:
An important part of seabed mapping is understanding the shape of the seabed and the depth of water. Hydrographic charts are produced for this purpose by the Canadian Hydrographic Service. During the final survey stages of the Harbour a new technology called multibeam bathymetry became available for high resolution mapping. This system uses transducers (sound sources) mounted on a ship that produce many independent sound beams and can map a large swath of the seabed at one time covering 100% of the bottom. The images that are produced are computer shaded to look as if the water is drained and you are flying over the area. They are the underwater equivalent of aerial photographs of the adjacent land. Because the information is collected digitally, many different kinds of maps can be produced to show subtle aspects of sediment deposition, erosion, and seabed features. The information can also be displayed using various colour schemes to represent seabed shape and computer generated fly-throughs can be produced. The multibeam bathymetric images nicely complement the other geological data sets.