Relevant bibliographies by topics / Sun elevation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Sun elevation'

Author: Grafiati
Published: 28 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Sun elevation"

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WEYRAUCH, KARL F., and PATRICIA E. BOIKO. "Solar Intensity and Sun Protection." Pediatrics 85, no. 4 (1990): 626–27. http://dx.doi.org/10.1542/peds.85.4.626b.

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To the Editor.— Weinstock et al1 observed "a significant association of melanoma with latitude of residence during the teenage years," thereby implying a direct relationship between solar radiation intensity and increasing tropical latitude. However, for specific locations, this relationship may not be true. For example, average daily solar radiation in Spokane, WA (latitude 47 degrees, 40 minutes, elevation 2400 feet), was 1314 BTU during July, compared to 862 BTU in Charleston, SC (latitude 32 degrees, 53 minutes, elevation sea level).2
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Bidschadler, R. A., and P. L. Vornberger. "Detailed elevation map of Ice Stream C, Antarctica, using satellite imagery and airborne radar." Annals of Glaciology 20 (1994): 327–35. http://dx.doi.org/10.3189/1994aog20-1-327-335.

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Surface elevations collected by airborne radar arc interpolated between flight lines using Landsat I'M image data to produce a detailed digital elevation model of a part of Ice Stream C, West Antarctica. The photodinometric method developed is general and allows the derivation of surface elevation along any line parallel to the solar illumination from a single known elevation on that line. Accuracies of the derived elevations are improved with additional elevation control that permits an empirical determination of parameters in the photoclinometric equation accounting for albedo and atmospheri
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Bidschadler, R. A., and P. L. Vornberger. "Detailed elevation map of Ice Stream C, Antarctica, using satellite imagery and airborne radar." Annals of Glaciology 20 (1994): 327–35. http://dx.doi.org/10.1017/s0260305500016645.

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Surface elevations collected by airborne radar arc interpolated between flight lines using Landsat I'M image data to produce a detailed digital elevation model of a part of Ice Stream C, West Antarctica. The photodinometric method developed is general and allows the derivation of surface elevation along any line parallel to the solar illumination from a single known elevation on that line. Accuracies of the derived elevations are improved with additional elevation control that permits an empirical determination of parameters in the photoclinometric equation accounting for albedo and atmospheri
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Chen, Y. T., B. H. Lim, and C. S. Lim. "General Sun Tracking Formula for Heliostats With Arbitrarily Oriented Axes." Journal of Solar Energy Engineering 128, no. 2 (2005): 245–50. http://dx.doi.org/10.1115/1.2189868.

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The most general form of solar tracking formulae of an arbitrarily oriented heliostat toward an arbitrarily located target on the Earth is presented. With this complete solution, the used azimuth-elevation, spinning-elevation tracking formula, etc., are the special cases of it. Therefore, more application may be sought out for many individual cases in solar engineering. The new form of tracking solution could bring changes in the geometry and structure of the design of heliostat to meet various requirements.
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Chong, K. K., and M. H. Tan. "Comparison Study of Two Different Sun-Tracking Methods in Optical Efficiency of Heliostat Field." International Journal of Photoenergy 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/908364.

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There are two sun-tracking methods widely used for the heliostat, which are conventional Azimuth-Elevation and revolutionary Spinning-Elevation methods. Following the previous study to compare the range of motion, a comparison study in optical efficiency of heliostat field for the two methods is further explored in this paper. A special algorithm using ray-tracing technique has also been developed to simulate the optical efficiency of heliostat field for both sun-tracking methods in different latitudes. With the new algorithm, comprehensive analysis to compare the optical efficiency of individ
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Reimann, Jens, and Martin Hagen. "Antenna Pattern Measurements of Weather Radars Using the Sun and a Point Source." Journal of Atmospheric and Oceanic Technology 33, no. 5 (2016): 891–98. http://dx.doi.org/10.1175/jtech-d-15-0185.1.

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AbstractThe sun is known to be a good target for weather radar calibration. In this paper high-resolution raster scans of the sun at high elevations will be used to derive the antenna pattern of weather radar, without being affected by beam propagation effects and reflections close to the earth’s surface. It is shown that this pattern matches well to pattern measurements using a point source. Hence, a good estimation of the real antenna pattern can be derived using the sun.Furthermore, formulas to extract undistorted antenna patterns from the sun, even at high-elevation angles, are derived. Th
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Amiri, Mandana, Kevin Bandura, Anja Boskovic, et al. "Using the Sun to Measure the Primary Beam Response of the Canadian Hydrogen Intensity Mapping Experiment." Astrophysical Journal 932, no. 2 (2022): 100. http://dx.doi.org/10.3847/1538-4357/ac6b9f.

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Abstract We present a beam pattern measurement of the Canadian Hydrogen Intensity Mapping Experiment (CHIME) made using the Sun as a calibration source. As CHIME is a pure drift-scan instrument, we rely on the seasonal north–south motion of the Sun to probe the beam at different elevations. This semiannual range in elevation, combined with the radio brightness of the Sun, enables a beam measurement that spans ∼7200 square degrees on the sky without the need to move the telescope. We take advantage of observations made near solar minimum to minimize the impact of solar variability, which is obs
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González-Camarillo, Héctor, Carlos A. Pérez-Rábago, Ramiro Calleja-Valdez, et al. "Closed-Loop Solar Tracking Control Strategy to Correct Drift in a CPV System Using Image Processing." Processes 13, no. 4 (2025): 944. https://doi.org/10.3390/pr13040944.

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Tracking the apparent movement of the sun with high precision is crucial in dual-axis tracking systems for solar concentration applications. It is important to develop control strategies to reduce losses by solar radiation displacement (drift) on the receiver and improve the solar concentration system. In concentrated photovoltaics, a high-precision tracking control is required to keep the concentration point. This paper compares open-loop and closed-loop solar tracking control strategies to solve drift problems and correct azimuth and elevation angles in a non-image reflective FRESNEL solar c
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Liu, Chao, and Jing Hui. "Research on Physical MPPT of Photovoltaic Array System Based on Image Processing." Applied Mechanics and Materials 321-324 (June 2013): 1138–44. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.1138.

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Based on analyzing the development and the performance feature of existing solar tracker, we propose a solar Maximum Power Point Tracking (MPPT) strategy which combines photoelectric sensor and image processing. Firstly, photoelectric tracking mode positions the sun in the field of view of the image sensor. Then, the position of the sun image is captured by the image sensor. After that, we can find the coordinates of the sun spot in the field of view through image binarization processing. According to the number of steps of stepper motor rotation which is calculated by the deviation of coordin
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Huuskonen, Asko, and Iwan Holleman. "Determining Weather Radar Antenna Pointing Using Signals Detected from the Sun at Low Antenna Elevations." Journal of Atmospheric and Oceanic Technology 24, no. 3 (2007): 476–83. http://dx.doi.org/10.1175/jtech1978.1.

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Abstract A method to determine the elevation and azimuth biases of the radar antenna using solar signals observed by a scanning radar is presented. Data recorded at low elevation angles where the atmospheric refraction has a significant effect on the propagation of the radio wave are used, and a method to take the effect of the refraction into account in the analysis is presented. A set of equations is given by which the refraction of the radio waves as a function of the relative humidity can easily be calculated. Also, a simplified model for the calculation of the atmospheric attenuation is p
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Dissertations / Theses on the topic "Sun elevation"

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Uher, Ondřej. "Servomechanické řízení pohybu fotovoltaických panelů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229662.

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Thesis deals with the introduction to the production of electricity using photovoltaic panels and the relative position between panels and the Sun. The project aim was to design equipment to ensure the vertical position of the solar panels towards the Sun during the day so as to achieve maximum energy gain from sunlight. Pointing mechanism will be governed by the date and time.
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Castle, Sarah Christine. "Plant-nutrient dynamics in high elevation forests of the southern San Juan Mountains, Colorado, USA." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1453520.

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Maunsell, Sarah. "Food Webs along Elevational Gradients: Interactions among Leaf Miners, Host Plants and Parasitoids in Australian Subtropical Rainforest." Thesis, Griffith University, 2014. http://hdl.handle.net/10072/368145.

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Gradients in elevation are used to understand how species respond to changes in local climatic conditions and are therefore a powerful tool for predicting how mountain ecosystems may respond to climate change. While many studies have shown elevational patterns in species richness and species turnover, little is known about how multi-species interactions respond to elevation. An understanding of how species interactions are affected by current clines in climate is imperative if we are to make predictions about how ecosystem function and stability will be affected by climate change. This chall
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Spyropoulou, Katerina Dimitris 1977. "Interpretation of tectonics from digital elevation data in the San Gabriel Mountains, CA : evaluation of methods and data sources." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/34350.

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Thesis (S.M. in Geosystems)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 2003.<br>Includes bibliographical references (leaves 34-36).<br>The identifiable pattern of the qualitative geomorphologic parameters such as steepness and concavity values that derived from the slope-area analysis of 28 tributaries in the San Gabriel Mountains were used to estimate relative rock uplift rates. The results suggest that the eastern region of the San Gabriel Mountain is controlled by a high rock uplift rate while the western region is controlled by a low rock u
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Dunaj, Lindsay L. "Comparing Newly Built Wetlands in the Atchafalaya Bay, Louisiana and Sacramento-San Joaquin Delta, California." ScholarWorks@UNO, 2012. http://scholarworks.uno.edu/td/1515.

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This research investigated patterns in elevation change in newly built wetlands in the Atchafalaya delta, and newly restored wetlands in the Sacramento-San Joaquin River delta. RSETs were used to measure small changes in elevation, and soil cores were processed to examine mineral and organic contributions. Elevation change was highly variable, responding to influences from water level, river discharge, storms and vegetation. Mineral matter consistently added more to the marsh soil through volumetric and gravimetric contributions. Organic contributions were not significantly different across si
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Tymkiewicz, Joanna, and Joanna Tymkiewicz. "Funkcje ścian zewnętrznych w aspektach badań jakościowych. Wpływ rozwiązań architektonicznych elewacji na kształtowanie jakości budynku." Praca habilitacyjna, Wydawnictwo Politechniki Śląskiej, 2012. https://repolis.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=17876.

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Tymkiewicz, Joanna, and Joanna Tymkiewicz. "Funkcje ścian zewnętrznych w aspektach badań jakościowych. Wpływ rozwiązań architektonicznych elewacji na kształtowanie jakości budynku." Praca habilitacyjna, Wydawnictwo Politechniki Śląskiej, 2012. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=17876.

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Salmon, Summer Anne. "A New Technique for Measuring Runup Variation Using Sub-Aerial Video Imagery." The University of Waikato, 2008. http://hdl.handle.net/10289/2511.

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Video monitoring of beaches is becoming the preferred method for observing changes to nearshore morphology. Consequently this work investigates a new technique for predicting the probability of inundation that is based on measuring runup variation using video. Runup is defined as the water-level elevation maxima on the foreshore relative to the still water level and the waterline is defined as the position where the MWL intersects the beach face. Tairua, and Pauanui Beaches, on the north east coast of the North Island of New Zealand, were used as the field site in this study and represent two
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Klinka, Karel, Bernhard E. Splechtna, Jaroslav Dobry, and Christine Chourmouzis. "Climate - radial growth relationships in some major tree species of British Columbia." Forest Sciences Department, University of British Columbia, 1998. http://hdl.handle.net/2429/671.

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This study examines the influence of climate on tree-ring properties of several major tree species: Pacific silver fir (Abies amabilis (Dougl. ex Loud.) Forbes), subalpine fir (Abies lasiocarpa (Hook.) Nutt.), Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), and lodgepole pine (Pinus contorta var. latifolia Dougl. ex Loud.). Our three objectives were to determine how (1) tree-ring properties change along an elevation gradient, (2) short-term climatic influences are correlated with tree-ring properties, and (3) long-term climatic influence on tree-ring properties.
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Saderi, Seyedehmasoumeh. "Dynamiques de la formation du bois du Mélèze (Larix decidua Mill.) le long d’un gradient altitudinal de 1000 m dans les Alpes du sud Françaises." Thesis, Paris, AgroParisTech, 2017. http://www.theses.fr/2017AGPT0015.

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La survie des plantes pérennes dépend de leur capacité à s'adapter à leur environnement. Les modèles de végétation prédisent que les changements climatiques vont avoir un effet profond sur la production et la distribution des forêts. La réponse des arbres aux changements climatiques dépend de la capacité du cambium à produire un bois performant. L'objectif est de comprendre quelles modifications des processus de formation du bois permettent aux arbres de croître dans des conditions contrastées. Nous avons suivi la formation du bois de 60 mélèzes, en 2013, dans quatre peuplements, le long d'un
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Books on the topic "Sun elevation"

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Pacific Marine Environmental Laboratory (U.S.), Center for Tsunami Inundation Mapping Efforts, and National Geophysical Data Center. Marine Geology and Geophysics Division, eds. Digital elevation models for San Juan and Mayagüez, Puerto Rico: Procedures, data sources and analysis. NOAA, National Geophysical Data Center, Marine Geology and Geophysics Division, 2006.

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Taylor, Lisa A. Digital elevation model of Port San Luis, California: Procedures, data sources and analysis. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, 2008.

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S, ar) 1. Goodman, and Field Museum of Natural, eds. A floral and faunal inventory of the R©Øeserve sp©Øeciale d'Anjanaharibe-Sud, Madagascar: With reference to elevational variation. Field Museum of Natural History, 1998.

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Pacific Southwest Forest and Range Ex. Mountain Evaporation: Data from the San Dimas Experimental Forest at Elevations of 1,500 to 5,100 Feet; No. 35. Creative Media Partners, LLC, 2021.

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Elevation a Jesus-Christ nostre seigneur, sur la conduitte de son esprit, et de sa grace vers Saincte Magdelaine, l'une des principales de sa suitte, & des plus signalées en sa faveur, & en son évangile. Alexander Street Press, 2007.

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Goodman, Steven M. A Floral and Faunal Inventory of the Reserve Speciale D'Anjanaharibe-Sud, Madagascar: With Reference to Elevational Variation (Fieldiana. New Series. Zoology, No 90). Field Museum of Natural, 1998.

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A Beautiful and accurate elevation of the Temple of Solomon taken from the celebrated model erected by counsellors Schott at Hamburgh: Ornamented with the most interesting passages in the lives of King David and Solomon his son .. s.n., 1985.

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Chevalier, Nicolas, and Romeyn de Hooghe. Histoire de Guillaume III. , Roy d'Angleterre, d'Ecosse, de France, et d'Irlande, Prince d'Orange, &C. ; Contenant Ses Actions les Plus Memorables, Depuis Sa Naissance Jusques à Son Elevation Sur le Trône, & Ce Qui S'est Passé Dupuis Jusques à L'enti... Creative Media Partners, LLC, 2019.

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Chevalier, Nicolas, and Romeyn de Hooghe. Histoire de Guillaume III. , Roy d'Angleterre, d'Ecosse, de France, et d'Irlande, Prince d'Orange, &C. ; Contenant Ses Actions les Plus Memorables, Depuis Sa Naissance Jusques à Son Elevation Sur le Trône, & Ce Qui S'est Passé Dupuis Jusques à L'enti... Creative Media Partners, LLC, 2018.

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Book chapters on the topic "Sun elevation"

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Tape, Walter. "The role of sun elevation." In Atmospheric Halos. American Geophysical Union, 1994. http://dx.doi.org/10.1029/ar064p0058.

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Guo, Minghuan, Zhifeng Wang, and Zhenwu Lu. "The Optical Designing Method and the Concentrating Performance Analysis for a Toroidal Heliostat with Spinning-Elevation Sun Tracking." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V). Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_383.

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Tape, Walter. "Halo simulations at selected sun elevations." In Atmospheric Halos. American Geophysical Union, 1994. http://dx.doi.org/10.1029/ar064p0108.

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Donato, Eugenio. "Il castello di San Lucido (CS), una preliminare proposta di analisi stratigrafica degli elevati." In Strumenti per la didattica e la ricerca. Firenze University Press, 2024. http://dx.doi.org/10.36253/979-12-215-0376-0.18.

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Il contributo propone una sintesi sui lavori di lettura archeologica degli elevati nel castello di San Lucido (noto come castello Ruffo, sulla costa tirrenica calabrese, in provincia di Cosenza), un sito fino ad oggi inaccessibile, e sostanzialmente sconosciuto per quello che concerne gli aspetti archeologici e architettonici. Il castello (insieme al borgo e al relativo approdo) che insiste nell’areale dell’antica Clampetia (dapprima città brettia, poi conquistata dai Romani), compare nelle fonti medievali a partire dalla seconda metà dell’XI secolo, al tempo della conquista normanna, e per mo
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Ghandehari, Mehran, Barbara P. Buttenfield, and Carson J. Q. Farmer. "Cross-Scale Analysis of Sub-pixel Variations in Digital Elevation Models." In Advances in Cartography and GIScience. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57336-6_25.

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Keilig, Klaus-Peter, Andreas Dietrich, and Michael Krautblatter. "Comparison of Multi-temporal Elevation Models of a Debris-Flow Channel." In IAEG/AEG Annual Meeting Proceedings, San Francisco, California, 2018 - Volume 1. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93124-1_33.

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Malik, Sumaira M., and Nauman ARIF Chaudary. "Pheochromocytoma presenting as Takotsubo cardiomyopathy and ST-segment elevation myocardial infarction." In The Endocrine Society's 95th Annual Meeting and Expo, June 15–18, 2013 - San Francisco. The Endocrine Society, 2013. http://dx.doi.org/10.1210/endo-meetings.2013.ahpaa.11.mon-62.

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Havlena, Vojtěch, Ondřej Lengál, and Barbora Šmahlíková. "Sky Is Not the Limit." In Tools and Algorithms for the Construction and Analysis of Systems. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99527-0_7.

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AbstractWe propose several heuristics for mitigating one of the main causes of combinatorial explosion in rank-based complementation of Büchi automata (BAs): unnecessarily high bounds on the ranks of states. First, we identify elevator automata, which is a large class of BAs (generalizing semi-deterministic BAs), occurring often in practice, where ranks of states are bounded according to the structure of strongly connected components. The bounds for elevator automata also carry over to general BAs that contain elevator automata as a sub-structure. Second, we introduce two techniques for refini
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Lobbe, Alexander, Dan Crisan, and Oana Lang. "Generative Modelling of Stochastic Rotating Shallow Water Noise." In Mathematics of Planet Earth. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-70660-8_1.

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AbstractIn recent work Crisan and co-authors (Foundations of Data Science, 2023), have developed a generic methodology for calibrating the noise in fluid dynamics stochastic partial differential equations where the stochasticity was introduced to parametrize subgrid-scale processes. The stochastic parameterization of sub-grid scale processes is required in the estimation of uncertainty in weather and climate predictions, to represent systematic model errors arising from subgrid-scale fluctuations. The methodology in Crisan (Foundations on Data Science, 2023) used a principal component analysis
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Feulner, Gary R. "The Mountain Regions of the United Arab Emirates: An Ecosystem Perspective." In A Natural History of the Emirates. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37397-8_6.

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AbstractThe mountains of the eastern UAE and northern Oman have long been recognized as a distinct biogeographical province hosting a mix of regional, endemic and relict species. This chapter treats the mountain regions of the UAE for the first time as an ecological unit in their own right, independent of generalizations often primarily rooted in Oman-based studies. They are recognized as a system of interrelated but geologically, physiographically, geochemically, hydrologically, floristically, and sometimes faunistically discrete sub-units: the Hajar Mountains, the Ru′us Al Jibal, the Dibba Z
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Conference papers on the topic "Sun elevation"

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Jensen, Adam R., William B. Hobbs, Kevin S. Anderson, and William F. Holmgren. "Missed Clouds in the NSRDB at Low Sun Elevation Angles." In 2024 IEEE 52nd Photovoltaic Specialist Conference (PVSC). IEEE, 2024. http://dx.doi.org/10.1109/pvsc57443.2024.10748762.

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Taylor, Zachary, Joshua Galler, Derek Kelly, et al. "Experimental Investigation of Water Loading for an Inclined Bridge due to Flood Overtopping." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0275.

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&lt;p&gt;The potential for bridges being overtopped due to flooding is increasing with climate change. Rather than increasing the elevation of bridges, it is becoming more common to design for the superstructure to withstand the hydrodynamic loads resulting from these overtopping scenarios. The current study employs both wind tunnel testing and water flume testing to provide an understanding of the water loading on the superstructure of a pedestrian bridge. The bridge spanning the potentially flooded channel is at a grade of approximately 5%. Therefore, the portion of the bridge that will be s
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Satyesh, Ghetiya, Aman, Naveen Tripathi, Tarang Patadiya, S. K. Singh, and Praveen K. Gupta. "Detecting on-set of Snow Melt and Elevation Based Distribution of Wet Snow Using EOS-04 SAR Data in Bhaga Sub-Basin." In 2024 IEEE India Geoscience and Remote Sensing Symposium (InGARSS). IEEE, 2024. https://doi.org/10.1109/ingarss61818.2024.10984251.

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Das, Souryendu, and Stavros Kalafatis. "Shadow Cache and CEOFC Algorithm: Elevating OVS Performance through Intelligent Elephant Flow Retention and Hardware Offload." In 2024 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN). IEEE, 2024. https://doi.org/10.1109/nfv-sdn61811.2024.10807475.

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Aliman, Omar, and Ismail Daut. "Rotation-Elevation of Sun Tracking Mode to Gain High Concentration Solar Energy." In 2007 International Conference on Power Engineering, Energy and Electrical Drives. IEEE, 2007. http://dx.doi.org/10.1109/powereng.2007.4380115.

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Chong, Kok-Keong, and Chee-Woon Wong. "Open-loop azimuth-elevation sun-tracking system using on-axis general sun-tracking formula for achieving tracking accuracy of below 1 mrad." In 2010 35th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2010. http://dx.doi.org/10.1109/pvsc.2010.5614088.

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Tseng, Kuo-Hsiung, Chuan-Yi Wang, and Guan-Hung Lin. "Effect of the Sun Elevation for Fixed PV System and Single-Axis-Tracking PV System." In 2019 IEEE 6th International Conference on Industrial Engineering and Applications (ICIEA). IEEE, 2019. http://dx.doi.org/10.1109/iea.2019.8714782.

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Cristea, Octavian, Paul Dolea, Paul-Vladut Dascal, and Tudor Palade. "Influence of sun elevation, azimuth and X-ray bursts on long distance VLF radio propagation." In 2014 10th International Conference on Communications (COMM). IEEE, 2014. http://dx.doi.org/10.1109/iccomm.2014.6866694.

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Kozlov, Valerii S., Mikhail V. Panchenko, and Elena P. Yausheva. "Seasonal variability of diurnal behavior of concentrations of submicron aerosol and absorbing substance in coordinates of sun elevation." In SPIE Proceedings, edited by Gennadii G. Matvienko and Victor A. Banakh. SPIE, 2006. http://dx.doi.org/10.1117/12.723187.

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Steffen, Bridgette J., Charles E. Andraka, and Richard B. Diver. "Development and Characterization of a Color 2F Alignment Method for the Advanced Dish Development System." In ASME 2003 International Solar Energy Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/isec2003-44239.

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Dish/Stirling systems rely on accurate mirrors and alignment. Inaccuracies in alignment can lead to flux “hotspots” that can reduce performance and even damage the solar receiver. To improve the alignment process a procedure that can be used to align solar dish concentrator facets was developed on the second-generation (Mod 2) Advanced Dish Development System (ADDS) at Sandia National Laboratories in Albuquerque, NM. The previously used facet alignment method was based on the distant light source technique and required the dish to be pointed near the horizon while an observer located approxima
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Reports on the topic "Sun elevation"

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Riley, Daniel, and Clifford Hansen. Sun-relative pointing for dual-axis solar trackers employing azimuth and elevation rotations. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1177037.

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Kaelberer, Monte S. Ocean Sun Glint in the 3 to 5 Micron Region and Its Radiance Variation with Off Glint Sun Angle and Sensor Elevation. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada248740.

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Kurtz, Deb, and Deb Kurtz. Northern Harding Icefield glacier mass balance summary: 2010?2017. National Park Service, 2025. https://doi.org/10.36967/2306622.

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Glaciers cover nearly half of Kenai Fjords National Park, serving an important role in ecosystem dynamics and attracting hundreds of thousands of visitors to the park each year. Glacial melt is important to park managers as it impacts visitor experience, infrastructure (e.g., trails and roads), and downstream habitats. Glacier mass balance is the annual gain and loss of ice calculated as a sum of seasonal measurements of accumulation and ablation (the loss of ice through melt, sublimation, and calving). Long-term glacier mass balance studies provide an established method for monitoring the sta
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Papasodoro, C., D. Bélanger, G. Légaré-Couture, P. Tardif, and M. Turgeon-Pelchat. Mise à jour de la Stratégie nationale sur les données d'élévation, automne 2021. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/329336.

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The National Elevation Data Strategy is being implemented. This newsletter of October 2021 provides an update on the following: 1. Status of the 2021 LiDAR acquisitions 2. New elevation products and data 3. Improvement of the automatic extraction of building footprints 4. Validation of LiDAR classification by artificial intelligence.
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Wadman, Heidi, and Jesse McNinch. Elevation of underlying basement rock, Ogdensburg Harbor, NY. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40843.

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Over six linear miles of shallow acoustic reflection geophysical data were collected in an 800 ft by 300 ft survey region at Ogdensburg Harbor, Ogdensburg, NY. To better accommodate modern commercial vessels and expand the harbor’s capacity, the current navigable depth of -19 ft Low Water Depth (LWD) needs to be increased to -28 ft LWD, and an accurate map of the nature of the riverbed material (e.g., unconsolidated sediment, partially indurated glacial till, or bedrock) is required to effectively plan for removal. A total of 28 boreholes were previously collected to map the stratigraphy, and
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Morriss, Matthew C. Interim Geologic Map of the Blanding North Quadrangle, San Juan County, Utah. Utah Geological Survey, 2025. https://doi.org/10.34191/ofr-771dm.

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The Blanding North 7.5′ quadrangle is near the southeastern corner of Utah, centered in San Juan County. The quadrangle is within the Colorado Plateau physiographic province and the Blanding Basin sub-province (Fenneman and Johnson, 1946), and is on the south flank of the Abajo Mountains. The Abajo Mountains are cored by an Oligocene suite of laccoliths coeval with other mountain ranges across the plateau including: the Henry, La Sal, and Navajo Mountains of Utah; the Ute and La Plata Mountains of Colorado; and the Carrizo Mountains of Arizona (Witkind, 1964). The Abajo intrusive rocks are not
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Baron, Lisa, William Vervaeke, and M. Gregory. Monitoring coastal wetland elevation in Southeast Coast Network parks: Protocol implementation plan. National Park Service, 2023. http://dx.doi.org/10.36967/2301244.

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The National Park Service (NPS) Inventory and Monitoring Division has initiated coastal wetland elevation monitoring at or in the vicinity of Cape Hatteras National Seashore (CAHA), Cape Lookout National Seashore (CALO), Fort Pulaski National Monument (FOPU), Fort Frederica National Monument (FOFR), Cumberland Island National Seashore (CUIS), Timucuan Ecological and Historic Preserve (TIMU), Fort Matanzas National Monument (FOMA), and Canaveral National Seashore (CANA). This protocol implementation plan is based on the Northeast Coastal and Barrier Network protocol, The Surface Elevation Table
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Javier, Virginia, Linh Cat, Taro Katayama, et al. Fog monitoring on the Point Loma Peninsula at Cabrillo National Monument: 2023 annual report. National Park Service, 2024. http://dx.doi.org/10.36967/2305271.

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Cabrillo National Monument (CABR) is a unit of the National Park System located on the Point Loma peninsula in San Diego, CA, USA. Despite its small size (0.65 terrestrial km2), the monument attracts 851,000 annual visitors (IRMA SRSS Reports 2011-2020), and acts as an ?urban island?, providing habitat for unique algal, plant and animal species in an area of increasing development and urbanization. The park is situated in a Mediterranean climate, characterized by hot, dry summers and wet winters. This climate supports rare habitats and plant communities, such as coastal sage scrub, maritime su
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Lewis, C. E. The effects on photosynthetic CO{sub 2} assimilation to long-term elevation of atmospheric CO{sub 2} concentration: An assessment of the response of Trifolium Repens L. cv. Blanca grown at F.A.C.E. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10116180.

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Morriss, Matthew C. Interim Geologic Map of the Vernal NE Quadrangle, Uintah County, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-762.

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The Vernal NE 7.5' quadrangle is located at the northern boundary of the Colorado Plateau physiographic province, within the Uinta Basin sub-province (Fenneman and Johnson, 1946). The Middle Rocky Mountains, in Fenneman and Johnson’s (1946) classification, is located east and north of the quadrangle. The quadrangle includes Ashley Valley, centered on Ashley Creek, which drains the southern flank of the Uinta Mountains. The western part of the quadrangle is defined by the northwest-southeast-trending Asphalt Ridge and the west-dipping slope along the flank of the ridge. The northeastern part of
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