Academic literature on the topic 'Spatial repeatability'

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Journal articles on the topic "Spatial repeatability"

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O'Connor, Tom, Eugene J. O'Brien, and Bernard Jacob. "An experimental investigation of spatial repeatability." International Journal of Heavy Vehicle Systems 7, no. 1 (2000): 64. http://dx.doi.org/10.1504/ijhvs.2000.004519.

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Cole, D. J., A. C. Collop, T. E. C. Potter, and D. Cebon. "Spatial Repeatability of Measured Dynamic Tyre Forces." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 210, no. 3 (1996): 185–97. http://dx.doi.org/10.1243/pime_proc_1996_210_262_02.

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Goodrum, WJ, and D. Cebon. "Synthesising spatially repeatable tyre forces from axle load probability distributions." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 230, no. 5 (2015): 699–714. http://dx.doi.org/10.1177/0954406215575581.

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Spatially repeatable dynamic tyre forces arise because heavy trucks are similar in weights, dimensions and dynamic characteristics and they travel at similar speeds. It is important to be able to model the statistical and spatial characteristics of dynamic tyre forces, using efficient algorithms, when studying the effects of vehicle–road interaction. Pitch-plane vehicle models derived from ‘per-vehicle’ weigh-in-motion (WIM) data of US ‘Class 9’ vehicles were used to generate a Virtual WIM vehicle fleet for spatial repeatability calculations. Four methods were investigated for simulating dynam
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Granbom, Martin, Lars Råberg, and Henrik G. Smith. "The spatial and temporal repeatability of PHA-responses." Behavioral Ecology 16, no. 2 (2004): 497–98. http://dx.doi.org/10.1093/beheco/arh137.

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LIU, HAIXIA, CAROLYN G. BEGLEY, ROBIN CHALMERS, GRAEME WILSON, SANGLY P. SRINIVAS, and JENNI A. WILKINSON. "Temporal Progression and Spatial Repeatability of Tear Breakup." Optometry and Vision Science 83, no. 10 (2006): 723–30. http://dx.doi.org/10.1097/01.opx.0000237546.88464.6d.

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Collop, A. C., D. Cebon, and D. J. Cole. "Effects of Spatial Repeatability On Long-Term Flexible Pavement Performance." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 210, no. 2 (1996): 97–110. http://dx.doi.org/10.1243/pime_proc_1996_210_177_02.

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The effects of spatial repeatability of dynamic tyre forces on the long-term performance of three typical British pavement constructions are investigated. Long-term pavement performance is calculated using a ‘whole-life pavement performance Model’ (WLPPM). The WLPPM is capable of predicting deterministic pavement damage due to realistic traffic and environmental loading, throughout the life of the pavement. Particular attention is given to modelling dynamic tyre forces and patterns of loading applied to the pavement by a typical fleet of heavy vehicles. A method is described for simulating veh
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Stan, Gheorghe. "Poly-Articulated System with Spatial Positioning." Applied Mechanics and Materials 371 (August 2013): 411–15. http://dx.doi.org/10.4028/www.scientific.net/amm.371.411.

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Researchers in the field of robotics have intense preoccupations on building cheaper and faster robots, with higher accuracy and repeatability, with modulated architectures, diversified in terms of design and oriented to the most diverse activities. The present work is placed in this context; it presents a new poly-articulated system, brevetted, with availability for spatial positioning at high accuracy and repeatability. Thus the robot can insert its arm through windows of small size and place the arm behind a panel etc. The modular structure of its joints provides the possibility for obtaini
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Vigeant, Michelle C., Clothilde B. Giacomoni, and Amy C. Scherma. "Repeatability of spatial measures using figure-of-eight microphones." Applied Acoustics 74, no. 9 (2013): 1076–84. http://dx.doi.org/10.1016/j.apacoust.2013.02.002.

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Byrne, D. T., D. P. Berry, H. Esmonde, and N. McHugh. "Temporal, spatial, inter-, and intra-cow repeatability of thermal imaging1." Journal of Animal Science 95, no. 2 (2017): 970–79. http://dx.doi.org/10.2527/jas.2016.1005.

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Byrne, D. T., D. P. Berry, H. Esmonde, and N. McHugh. "Temporal, spatial, inter-, and intra-cow repeatability of thermal imaging." Journal of Animal Science 95, no. 2 (2017): 970. http://dx.doi.org/10.2527/jas2016.1005.

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Dissertations / Theses on the topic "Spatial repeatability"

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Guimarães, Paulo Henrique Ramos. "Parâmetros genéticos e fenotípicos em arroz irrigado estimados por método de análise espacial." Universidade Federal de Goiás, 2014. http://repositorio.bc.ufg.br/tede/handle/tede/3956.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2015-01-27T13:40:32Z No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Paulo Henrique Ramos Guimarães - 2014.pdf: 1517515 bytes, checksum: 862883b307a6231b2a7f63d38c9f03ea (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2015-01-28T11:19:18Z (GMT) No. of bitstreams: 2 license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5) Dissertação - Paulo Henrique Ramos Guimarães - 2014.pdf: 1517515 bytes, checksum: 862883b307a6231b2a7f63d3
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Davis, Lloyd Eric. "Heavy vehicle suspensions : testing and analysis." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/34499/1/Lloyd_Davis_Thesis.pdf.

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Transport regulators consider that, with respect to pavement damage, heavy vehicles (HVs) are the riskiest vehicles on the road network. That HV suspension design contributes to road and bridge damage has been recognised for some decades. This thesis deals with some aspects of HV suspension characteristics, particularly (but not exclusively) air suspensions. This is in the areas of developing low-cost in-service heavy vehicle (HV) suspension testing, the effects of larger-than-industry-standard longitudinal air lines and the characteristics of on-board mass (OBM) systems for HVs. All these are
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Books on the topic "Spatial repeatability"

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. Federal Highway Administration, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of wheel-load spatial repeatability on road damage: A literature review. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Effects of wheel-load spatial repeatability on road damage: A literature review. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1998.

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Mrad, Nezih. Effects of Wheel-Load Spatial Repeatability on Road Damage: A Literature Review. Diane Pub Co, 1997.

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Book chapters on the topic "Spatial repeatability"

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O'Brien, Eugene, Arturo Gonzalez, and F. McInerney. "A statistical spatial repeatability algorithm for multiple sensor weigh in motion." In International Conference on Heavy Vehicles HVParis 2008. John Wiley & Sons, Inc, 2013. http://dx.doi.org/10.1002/9781118623305.ch13.

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Tugby, Matthew. "Instantiation and Repeatability." In Putting Properties First. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198855101.003.0007.

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Abstract This chapter addresses the so-called one over many problem, which challenges us to explain the phenomena of property instantiation and property repeatability. On the property-driven approach, the issues of property repeatability and natural modality are intimately connected, because the law-like patterns of dispositional behaviour in the world will depend on property repeatability. It is argued that Platonism is able to provide a good explanation for one over many facts. In developing this idea, it is argued that Platonic property instantiations are essentially dependent on the universals which are their (non-spatial) constituents. In contrast, the rival Aristotelian view of universals does not offer a satisfactory explanation for one over many phenomena, because such universals ontologically depend upon the very instantiation facts that they are supposed to explain.
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Zheng, Huijie, Arne Wickenbrock, Georgios Chatzidrosos, et al. "Novel Magnetic-Sensing Modalities with Nitrogen-Vacancy Centers in Diamond." In Engineering Applications of Diamond. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95267.

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In modern-day quantum metrology, quantum sensors are widely employed to detect weak magnetic fields or nanoscale signals. Quantum devices, exploiting quantum coherence, are inevitably connected to physical constants and can achieve accuracy, repeatability, and precision approaching fundamental limits. As a result, these sensors have shown utility in a wide range of research domains spanning both science and technology. A rapidly emerging quantum sensing platform employs atomic-scale defects in crystals. In particular, magnetometry using nitrogen-vacancy (NV) color centers in diamond has garnered increasing interest. NV systems possess a combination of remarkable properties, optical addressability, long coherence times, and biocompatibility. Sensors based on NV centers excel in spatial resolution and magnetic sensitivity. These diamond-based sensors promise comparable combination of high spatial resolution and magnetic sensitivity without cryogenic operation. The above properties of NV magnetometers promise increasingly integrated quantum measurement technology, as a result, they have been extensively developed with various protocols and find use in numerous applications spanning materials characterization, nuclear magnetic resonance (NMR), condensed matter physics, paleomagnetism, neuroscience and living systems biology, and industrial vector magnetometry. In this chapter, NV centers are explored for magnetic sensing in a number of contexts. In general, we introduce novel regimes for magnetic-field probes with NV ensembles. Specifically, NV centers are developed for sensitive magnetometers for applications where microwaves (MWs) are prohibitively invasive and operations need to be carried out under zero ambient magnetic field. The primary goal of our discussion is to improve the utility of these NV center-based magnetometers.
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"Anadromous Sturgeons: Habitats, Threats, and Management." In Anadromous Sturgeons: Habitats, Threats, and Management, edited by Ian H. McQuinn and Pierre Nellis. American Fisheries Society, 2007. http://dx.doi.org/10.47886/9781888569919.ch14.

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Abstract.—Atlantic sturgeon &lt;em&gt;Acipenser oxyrinchus&lt;/em&gt; and lake sturgeon &lt;em&gt;A. fulvescens &lt;/em&gt;in the middle St. Lawrence estuary are under consideration for designation as “endangered” or “vulnerable” species. A potential threat to these species is the disposal of dredged sediments in an area where young-of-the-year and juvenile Atlantic sturgeon concentrate. The objectives of this study were (1) to study the short-term and cumulative impacts, if any, of the dumped sediments on the abundance, distribution, and movements of the two sturgeon species downstream of the disposal area, and (2) to investigate the usefulness of acoustic surveys for assessing sturgeon density and distribution. A two-phase, combined acoustic-trawl survey was conducted to describe sturgeon distributions and produce concurrent acoustic and trawl estimates of the relative abundance of demersal fish within the area (lake sturgeon and Atlantic sturgeon were presumed to dominate the acoustic echoes). This series of surveys was the first known attempt to quantify sturgeon abundance and distribution with a vertically deployed echo sounder. The results showed good correspondence between the two methods. Replicated sampling also showed the repeatability of the acoustic technique and stability in demersal fish distribution on a scale of days. The acoustic surveys indicated that the spatial distribution of demersal fishes was dependent on substrate, as these fishes avoided areas of dredged sediment dumping and associated sand dunes. Our study showed that under certain conditions, acoustic-trawl surveys can reliably assess sturgeon density and distribution.
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Conference papers on the topic "Spatial repeatability"

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O'Brien, Eugene, and Abdolrahim Taheri. "The Influence of Statistical Spatial Repeatability on Remaining Pavement Life." In 6th International Conference on Computational Stochastic Mechanics. Research Publishing Services, 2011. http://dx.doi.org/10.3850/978-981-08-7619-7_p048.

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Gao, Bo, Hussein Abdelhalim, and Naiquan (Nigel) Zheng. "Effects of Anatomical Frame Definitions on Repeatability of Knee Joint Translation Measurement During Walking." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192911.

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Human body movement analysis using stereophotogrammetry has been widely applied in understanding the normal function and pathological conditions of human knee joint. To reconstruct the 3-dimensional (3D) position and orientation of bones from markers placed on body surface, the spatial relationship between anatomical frames and skin marker clusters needs to be identified [1]. Since the determination of anatomical landmark (AL) locations in general lacks accuracy and precision, anatomical frames defined based on ALs are subject to uncertainty. This is a major issue in human movement analysis an
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Lee, Jason J., and Sun-Lai Chang. "On the Kinematics of the UPS Wrist for Real Time Control." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0228.

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Abstract A parallel structure is used in the design of the UPS wrist to allow for a large payload, high speed, high repeatability, and a large workspace. Because of the inherent design and machining difficulties involved with spherical mechanisms, a spatial mechanism has been adopted. In creating such a 3-DOF spatial mechanism, many practical design problems are unavoidable, and direct analysis of the mechanism becomes extremely difficult. In this paper, we discuss the concept of using an equivalent mechanism to simplify the kinematic analysis. By using this method, we have derived a closed-fo
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Quintero, Miguel, and Samantha Lee. "Maneuvering and Seakeeping Basin Wave Characterization Study." In SNAME 30th American Towing Tank Conference. SNAME, 2017. http://dx.doi.org/10.5957/attc-2017-0029.

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A series of experiments aimed at characterizing the wavefield generated by the new multi-directional wave making system in the Maneuvering and Seakeeping (MASK) Basin at the Naval Surface Warfare Center Carderock Division in West Bethesda, MD are described. These experiments were focused on the repeatability of phase resolved seaways, the spatial variability of wave parameters throughout the basin, and the stationarity of the wavefield over the span of 2 hours. Two different wave spectra were run repeatedly over a two week test window covering 21 discrete locations with one fixed array of sens
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Raatz, Annika, Jan Wrege, Sven Soetebier, and Ju¨rgen Hesselbach. "High Precision Compliant Parallel Robot With an Optimized Large Workspace." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57399.

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In this paper a macro parallel robot is presented in which conventional bearings are replaced by pseudo-elastic flexure hinges. The robot consists of a spatial parallel structure with three translational degrees of freedom and is driven by three linear direct drives. The structure has been optimized with respect to workspace and transmission ratio. Additionally, in simulations with the FEM tool ANSYS different geometrical arrangements and combinations of flexure hinges have been investigated with respect to the dynamic behavior of the compliant mechanism. Due to the symmetrical character of th
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Chintala, Ravi Chandra, Nicholas Antoniou, and Yongliang Yang. "Advances in Scanning Microwave Impedance Microscopy." In ISTFA 2021. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.istfa2021p0436.

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Abstract This paper discusses advancements that have been made in scanning microwave impedance microscopy (sMIM) and how they are being used to measure various electrical properties in semiconductor devices. It explains that sMIM has a sensitivity of less than 0.1 aF and can measure minute changes in dielectric constant (k-value) and distinguish dopant levels over a wide range of concentrations with a spatial resolution of a few nm. For dielectric films and dopant levels, measurements are conveniently given in log-linear form with a repeatability well within the typical requirements for proces
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Shibukawa, Tetsuro, Taizo Tooyama, Kazuya Hattori, and Hiromichi Ohta. "Development of Parallel Mechanism Based Milling Machine [HexaM]." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-1083.

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Abstract Recently, it is required to reduce not only the net cutting time but also the non-cutting time in order to improve productivity in the cutting process. It is important to develop a new machine tool for high-speed cutting operations, which provides a high speed feed mechanism and a high rotational speed spindle. To obtain a greater level than the conventional feed rate, a parallel mechanism is applied as a high-speed spatial positioning mechanism in a newly developed milling machine. Six ball screw drives are used to actuate this parallel mechanism. One end of the rod is connected to a
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Rebaioli, Lara, and Irene Fassi. "Preliminary Study on the Manufacturing Feasibility of Microfeatures for Microfluidics by DLP Stereolithography." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97864.

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Abstract Lab on Chips (LOCs) are devices mostly based on microfluidics (i.e. structures for liquid handling with cross sections of 1–500 μm and femtoliter to nanoliter volume capacity), which allow to perform one or several chemical, biochemical or biological analysis in a miniaturized format on a single chip. The emerging Additive Manufacturing (AM) processes could produce a complete LOC with microscale complex 3D shapes in a single step without the need for assembly processes. Stereolithography, especially when exploiting the Digital Light Processing (DLP) technology, is the most promising A
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Ross, Paul, Peter Chen, Richard Wagreich, Steve Chen, and Jim Sirkis. "Structural Health Monitoring Using Fiber Optic Sensing." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0961.

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Abstract A prototype structural health monitoring system for naval ships based on fiber optic Bragg grating and digital communications has been developed. This is a dual purpose system. Firstly, it is a fiber Bragg grating based multi-position strain sensing network. In addition, its open architecture is designed to allow the same fiber network to be used as an optical data bus to carry digitized signals from an array of existing devices on naval platforms (e.g. communications, fire control, surveillance, resistance strain data, etc.). The open architecture system was demonstrated by measuring
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Grisell, Andrea, and Murali Sundaram. "Creation of Functionally Graded Glass Channels by Electrochemical Discharge Machining Process: A Feasibility Study." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-63916.

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Abstract Functionally graded surfaces — surfaces with properties that are engineered to have spatial variations — have numerous applications such as micropumps, auto-mixers, and flow control for lab-on-chip devices. Manufacturing of functionally graded surfaces is an increasingly important topic of research. This study investigates the feasibility of creating a functionally graded surface during channeling of borosilicate glass by the electrochemical discharge machining (ECDM) process. The ability to create surface roughness gradients in microchannels during the machining process was demonstra
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Reports on the topic "Spatial repeatability"

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Suir, Glenn, Christina Saltus, and Sam Jackson. Remote Assessment of Swamp and Bottomland Hardwood Habitat Condition in the Maurepas Diversion Project Area. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41563.

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This study used high spatial resolution satellite imagery to identify and map Bottomland Hardwood (BLH) BLH and swamp within the Maurepas Diversion Project area and use Light Detection and Ranging (Lidar) elevation data, vegetation indices, and established stand-level thresholds to evaluate the condition of forested habitat. The Forest Condition methods and data developed as part of this study provide a remote sensing-based supplement to the field-based methods used in previous studies. Furthermore, several advantages are realized over traditional methods including higher resolution products,
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