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Teses / dissertações sobre o tema "Remote sensing"

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1

Abdelsaid, Sherif H. Kamal. "Matching remote sensing images." Thesis, University of Ottawa (Canada), 1996. http://hdl.handle.net/10393/9560.

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Image analysis plays a crucial role in many computer vision applications in which images of the same scene with different geometrical orientations need to be compared for further processing. This thesis describes the design and implementation of a model-based vision system for the recognition of aerial images. The main objective is to register two remote sensing images taken at different times. First, some distinctive features are extracted and matched then, these matched features are used as marking points in defining a geometric mapping function. Once registered, the reference image can be u
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2

Budgett, David Mortimer. "Remote sensing of the epicardium." Thesis, Imperial College London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363025.

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3

Lemos, Pinto J. de. "Remote sensing in refractive turbulence." Thesis, University of Hull, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381887.

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4

Sayer, Andrew Mark. "Aerosol Remote Sensing Using AATSR." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.526115.

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5

Lavender, Samantha Jane. "Remote sensing of suspended sediment." Thesis, University of Plymouth, 1996. http://hdl.handle.net/10026.1/2119.

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A remote sensing near infrared suspended sediment algorithm is developed from first principles and applied to Compact Airborne Spectrographic Imagery (CASI) data flown over the Humber Estuary. Laboratory measurements were used as the basis for the algorithm development, with the resulting spectra indicating that the ideal wavelength for a suspended sediment algorithm is the near infrared. The resulting algorithm took the form of a waveband ratio which was subsequently validated with a semi-analytical water optics model based on the absorption/scattering properties of the optically active const
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6

Jago, Rosemary Alison. "Remote sensing of contaminated land." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243094.

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7

De, Michele Marcello. "Remote sensing observations of seismotectonics." Paris 6, 2010. http://www.theses.fr/2010PA066647.

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Pendant les 20 dernières années, notre connaissance de la déformation de la Terre a été complètement bouleversée par l’introduction de deux techniques de Géodésie spatiale. D’une part, ce que l’on appelle positionnement satellitaire (‘point positioning’) pas seulement à partir du système GPS (Global Positioning System) mais également à partir du système DORIS (Doppler Orbitography and Radio-positioning Integrated from Space). D’autre part, ont été développées des techniques d’imagerie satellitaire de corrélation d’images et d’interférométrie SAR (Synthetic Aperture Radar) ainsi que les méthode
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8

Charlton, Fergus. "Remote sensing of freshwater phytoplankton." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/21140.

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This study researches the potential for using hyperspectral remote sensing to identify the phytoplanktonic composition of a freshwater bloom. Six novel analytical techniques were developed to identify phytoplankton class from reflectance spectra. These techniques offer the water manager a variety of means to identify the dominant phytoplankton class in a target water body. Identification of phytoplankton class is possible because certain photosynthetic pigments contained within phytoplankton cells are taxonomically significant, being indicative of a particular class. The detection of these pig
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9

Qi, Jiaguo. "Compositing multitemporal remote sensing data." Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186327.

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In order to reduce the problems of clouds, atmospheric variations, view angle effects, and the soil background variations in the high temporal frequency AVHRR data, a compositing technique is usually employed. Current compositing techniques use a single pixel selection criterion of outputting the input pixel of maximum value NDVI. Problems, however, exist due to the use of the NDVI classifier and to the imperfection of the pixel selection criteria of the algorithm itself. The NDVI was found not to have the maximum value under an ideal observation condition, while the single pixel selection cri
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10

Hick, Peter T. "Remote sensing of agricultural salinity." Thesis, Curtin University, 1987. http://hdl.handle.net/20.500.11937/877.

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Salinity represents the major environmental threat to arable land in Western Australia and many other parts of the world. This study was designed to establish criteria for a practical remote sensing system using the visible, reflected and shortwave infrared for the early detection and mapping of salinity. The results are principally from a group of study sites on the CSIROs Yalanbee Experiment Station, and from other significant sites during the agricultural cycles of 1985-7.Analysis of imagery from the Geoscan Multispectral Airborne Scanner showed that best discrimination between study sites
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11

Hick, Peter T. "Remote sensing of agricultural salinity." Curtin University of Technology, Department of Environmental Biology, 1987. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=10930.

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Salinity represents the major environmental threat to arable land in Western Australia and many other parts of the world. This study was designed to establish criteria for a practical remote sensing system using the visible, reflected and shortwave infrared for the early detection and mapping of salinity. The results are principally from a group of study sites on the CSIROs Yalanbee Experiment Station, and from other significant sites during the agricultural cycles of 1985-7.Analysis of imagery from the Geoscan Multispectral Airborne Scanner showed that best discrimination between study sites
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12

Lopatin, Anton. "Enhanced remote sensing of atmospheric aerosol by joint inversion of active and passive remote sensing observations." Thesis, Lille 1, 2013. http://www.theses.fr/2013LIL10141/document.

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Ce travail présente l’algorithme GARRLiC (Generalized Aerosol Retrieval from Radiometer and Lidar Combined data). Le but de cet algorithme est d’inverser simultanément les mesures co-localisées d’un LiDAR et d’un photomètre solaire. Cet algorithme original permet de déduire un ensemble très complet de paramètres descriptifs de l’aérosol atmosphérique, paramètres à la fois intégrés sur la colonne atmosphérique et résolus verticalement. GARRLiC est basée sur la recherche du meilleur ajustement de données multi-sources avec contraintes a priori. Il est basée sur la recherche de la meilleure solut
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13

Philipson, née Ammenberg Petra. "Environmental Applications of Aquatic Remote Sensing." Doctoral thesis, Uppsala University, Centre for Image Analysis, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3328.

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<p>Many lakes, coastal zones and oceans are directly or indirectly influenced by human activities. Through the outlet of a vast amount of substances in the air and water, we are changing the natural conditions on local and global levels. </p><p>Remote sensing sensors, on satellites or airplanes, can collect image data, providing the user with information about the depicted area, object or phenomenon. Three different applications are discussed in this thesis. In the first part, we have used a bio-optical model to derive information about water quality parameters from remote sensing data collect
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14

Akkok, Inci. "Geological Mapping Using Remote Sensing Technologies." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610626/index.pdf.

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In an area of interest- Sivas Basin, Turkey- where most of the units are sedimentary and show similar spectral characteristics, spectral settings of ASTER sensor may not be enough by itself. Therefore, considering other aspects, such as morphological variables, is reasonable in addition to spectral classifiers. The main objective of this study is to test usefulness of integration of spectral analysis and morphological information for geological mapping. Remotely sensed imagery obtained from ASTER sensor is used to classify different lithological units while DEM is used to characterize landform
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15

Lguensat, Redouane. "Learning from ocean remote sensing data." Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2017. http://www.theses.fr/2017IMTA0050/document.

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Reconstruire des champs géophysiques à partir d'observations bruitées et partielles est un problème classique bien étudié dans la littérature. L'assimilation de données est une méthode populaire pour aborder ce problème, et se fait par l'utilisation de techniques classiques, comme le filtrage de Kalman d’ensemble ou des filtres particulaires qui procèdent à une évaluation online du modèle physique afin de fournir une prévision de l'état. La performance de l'assimilation de données dépend alors fortement de du modèle physique. En revanche, la quantité de données d'observation et de simulation a
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16

Philipson, Petra. "Environmental applications of aquatic remote sensing /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://publications.uu.se/theses/91-554-5542-5/.

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17

Morris, Paul. "Remote sensing of the Earth's atmosphere." Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317735.

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18

Kupiec, J. A. "The remote sensing of foliar chemistry." Thesis, Swansea University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637829.

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The aim of this research was to investigate the use of high spectral resolution sensors to recover more detailed information on the biochemical composition of forest canopies. The research was divided into two broad areas: laboratory and field studies. The laboratory studies were undertaken to determine the relationships between reflected radiation and the biochemical concentrations of foliage. A number of sample sets of slash pine, Sitka spruce, lodgepole pine and Japanese larch were analysed for their chlorophyll, water, nitrogen, lignin, cellulose, sugar and starch concentrations. Reflectan
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19

Snapir, Boris. "SAR remote sensing of soil Moisture." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9253.

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Synthetic Aperture Radar (SAR) has been identified as a good candidate to provide high-resolution soil moisture information over extended areas. SAR data could be used as observations within a global Data Assimilation (DA) approach to benefit applications such as hydrology and agriculture. Prior to developing an operational DA system, one must tackle the following challenges of soil moisture estimation with SAR: (1) the dependency of the measured radar signal on both soil moisture and soil surface roughness which leads to an ill-conditioned inverse problem, and (2) the difficulty in characteri
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20

Hunter, Peter D. "Remote sensing in shallow lake ecology." Thesis, University of Stirling, 2007. http://hdl.handle.net/1893/365.

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Shallow lakes are an important ecological and socio-economic resource. However, the impact of human pressures, both at the lake and catchment scale, has precipitated a decline in the ecological status of many shallow lakes, both in the UK, and throughout Europe. There is now, as direct consequence, unprecedented interest in the assessment and monitoring of ecological status and trajectory in shallow lakes, not least in response to the European Union Water Framework Directive (2000/60/EC). In this context, the spatially-resolving and panoramic data provided by remote sensing platforms may be of
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21

Ahmadzadeh, M. R. "Reasoning with uncertainty in remote sensing." Thesis, University of Surrey, 2001. http://epubs.surrey.ac.uk/804/.

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22

Camilletti, Adam. "Improving instruments for infrared remote sensing." Thesis, University of Oxford, 2006. http://ora.ox.ac.uk/objects/uuid:a071e009-2caf-4d67-a283-b0cde9e3b117.

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Remote sensing of the Earth's atmosphere, typically performed in the infrared region of the spectrum, plays an important role in scientific research. In the past the instruments used to perform these observations have been large, massive devices and correspondingly have only been able to be placed on large satellites. There is currently a trend toward smaller Earth observing platforms, so-called micro-satellites, and there is therefore a need for smaller, less massive instruments. Typically these instruments utilise a semiconductor device that responds to incoming infrared radiation in a known
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23

Asal, Fahmy F. "Airborne remote sensing for landscape modelling." Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275311.

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24

Plummer, Stephen E. "Monitoring land reclamation by remote sensing." Thesis, University of Sheffield, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264617.

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25

Jackson, Robin Geoffrey. "Remote sensing of forest canopy gaps." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327361.

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26

Strawbridge, Fiona. "Passive microwave remote sensing of vegetation." Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242948.

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27

MELONI, RAPHAEL BELO DA SILVA. "REMOTE SENSING IMAGE CLASSIFICATION USING SVM." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2009. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=31439@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>Classificação de imagens é o processo de extração de informação em imagens digitais para reconhecimento de padrões e objetos homogêneos, que em sensoriamento remoto propõe-se a encontrar padrões entre os pixels pertencentes a uma imagem digital e áreas da superfície terrestre, para uma análise posterior por um especialista. Nesta dissertação, utilizamos a metodologia de aprendizado de máquina support vector machines para o problema de classificação de imagens, devido a possibilidade de trabalhar com grande quantidades de características. Co
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28

Abbas, Mohammad. "Remote sensing of road surface conditions." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7379/.

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The remote real time identification of road surfaces is an increasingly important task in the automotive world. The development of automotive active safety system requires a remote sensing technology that alerts drivers to potential hazards such as slippery surfaces caused by water, mud, ice, snow etc. This will improve the safety of driving and reduce the road accidents all over the world. This thesis is dedicated to the experimental study of the feasibility of an affordable short-range ultrasonic and radar system for road surface recognition ahead of a vehicle. It introduces a developed nove
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29

Au, Wai Chung 1966. "Computational electomagnetics in microwave remote sensing." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/11645.

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30

Watson, Iain Matthew. "Remote sensing of tropospheric volcanic plumes." Thesis, University of Cambridge, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621824.

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31

Mashimbye, Zama Eric. "Remote sensing of salt-affected soils." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79809.

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Thesis (PhD)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Concrete evidence of dryland salinity was observed in the Berg River catchment in the Western Cape Province of South Africa. Soil salinization is a global land degradation hazard that negatively affects the productivity of soils. Timely and accurate detection of soil salinity is crucial for soil salinity monitoring and mitigation. It would be restrictive in terms of costs to use traditional wet chemistry methods to detect and monitor soil salinity in the entire Berg River catchment. The goal of this study was to investigate
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32

Moon, Alex. "Remote sensing of bathing water quality." Thesis, Middlesex University, 2003. http://eprints.mdx.ac.uk/13422/.

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The European Union (EU) has openly solicited advice on the development of EU bathing water quality policy and made calls for the development of remotely sensed operational real world solutions. This research demonstrates a new approach to estimating water quality using remote sensing and specifically to monitoring bathing water quality by using remote sensing to "flag" failing areas for manual survey. This method meets the environmental demands of the EU, the tourist industry, the water industry and environmental monitoring agencies throughout the world. The results show the genuine potential
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33

Gray, Rebecca. "Remote sensing of Jupiter's magnetospheric dynamics." Thesis, Lancaster University, 2018. http://eprints.lancs.ac.uk/125428/.

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This thesis presents and examines evidence of Jupiter’s magnetospheric dynamics, pri- marily using Hubble Space Telescope images of the planet’s ultraviolet aurora. The first two studies discuss the radial transport of hot plasma injections from reconnection return flow. The auroral evidence for a global magnetospheric disturbance is examined and it is found that the aurora showed a significantly super-rotating polar spot poleward of the main emission on the dawnside. The spot transitioned from the polar to main emission region in the presence of a locally broad, bright dawnside main emission
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34

Bosdogianni, Panagiota. "Mixed pixel classification in remote sensing." Thesis, University of Surrey, 1996. http://epubs.surrey.ac.uk/843999/.

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This thesis is concerned with the problem of mixed pixel classification in Remote sensing applications and attempts to find accurate and robust solutions to this problem. The application we are interested in, is to monitor burned forest regions for a few years after the fire in order to identify the type of vegetation present in these areas and consequently assess the danger of desertification. The areas of interest are semi-arid where the vegetation tends to vary at smaller scales than the area covered by a single Landsat TM pixel, thus mixed pixels are quite common. In this thesis we conside
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35

Bennett, Kimberly Dean. "Fiber optic techniques for remote sensing." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/104293.

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36

Kam, F. "Classification techniques for hyperspectral remote sensing." Thesis, Department of Informatics and Sensors, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/6163.

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This study concerns with classification techniques in high dimensional space such as that of Hyperspectral Imaging (HSI) data sets, with objectives of understanding the strength and weakness of various classifiers and at the same time to study how their performances can be assessed particularly when there is an absence of ground truth target map in the data set. The thesis summaries the work that carried out during the course of this study and it encompasses a brief survey of machine learning and classification theories, an outline of the HSI instrumentations, data sets that collected in the s
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37

Jin, Xiaoying. "Automatic extraction of man-made objects from high-resolution satellite imagery by information fusion." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5816.

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Thesis (Ph.D.)--University of Missouri-Columbia, 2005.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (November 15, 2006) Vita. Includes bibliographical references.
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38

Saraf, Arun Kumar. "Remote sensing applications in geobotanical exploration : some applications of remote sensing to geological surveying in vegetated areas." Thesis, University of Dundee, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.276975.

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39

Cisz, Adam. "Performance comparison of hyperspectral target detection algorithms /." Online version of thesis, 2006. https://ritdml.rit.edu/dspace/handle/1850/3020.

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40

Qi, Jiaguo 1959. "Spectral properties of paddy rice with variable water depth." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277119.

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An experiment was conducted to determine whether the water depth (above soil) and soil type would have any influence on the multispectral reflectances of paddy rice, and their calculated vegetation index values. The results showed that, when vegetation cover was low (below 600 grams of dry biomass per square meter), the near infrared (NIR) reflectances decreased very little with water depth. The same was true for red reflectances, but to a lesser degree. Overall the changes were not significant at 0.05 level of significance when the water depth was increased from 2.5 centimeters to 10 centimet
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41

Guimarães, Siane Cristhina Pedroso. "Sistema de informação geográfica e sensoriamento remoto na avaliação do processo de mudança de uso da terra para subsidiar o planejamento de bacias hidrográficas /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/102914.

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Orientador: Jairo Roberto Jiménez-Rueda<br>Banca: Marcos Estevan Del Prette<br>Banca: Eraldo Aparecido Trondoli Matricardi<br>Banca: Daniel Marcos Bonotto<br>Banca: Archimedes Perez Filho<br>Resumo: A presente pesquisa objetivou elaboração de uma proposta de ordenamento da ocupação territorial da Sub-bacia Hidrográfica do Baixo Rio Candeias, localizada no Estado de Rondônia, utilizando ferramentas de Sensoriamento Remoto e Sistemas de Informações Geográficas na avaliação do processo de mudanças de uso da terra para subsidiar o planejamento de bacias hidrográficas. Nesta pesquisa, utilizou-se i
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42

Yetkin, Erdem. "Alteration mapping by remote mapping by remote sensing Application to Hasandağ- Melendiz volcanic complex /." Ankara : METU, 2003. http://etd.lib.metu.edu.tr/upload/1090927/index.pdf.

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43

Lumbuenamo, Sinsi Dianza 1954, and Sinsi Dianza 1954 Lumbuenamo. "Litter cover effect on soil spectral response." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276620.

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In order to assess the influence of litter cover on soil background spectral response, trays of dry Lehmann Lovegrass (Eragrostis lehmanniana) were used at three different densities (635, 1015, 2815 Kg/ha) over three different soil backgrounds (Whitehouse sandy clay loam, Superstition sand, and Cloversprings loam). After analysis, spectral measurements made with a Barnes Multi-Modular Radiometer revealed that, soil-litter mixtures exhibit an oil like spectral behavior in the (0.45-2.30 m) waveband range. Mulched soils could not be discriminated from bare soils solely on the basis of the spectr
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44

Bishoff, Josef P. "Target detection using oblique hyperspectral imagery : a domain trade study /." Online version of thesis, 2008. http://hdl.handle.net/1850/7834.

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Wright, Jonathan C. "Evaluation of LOWTRAN and MODTRAN for use over high zenith angle/long path length viewing /." Online version of thesis, 1991. http://hdl.handle.net/1850/11352.

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46

Egido, Egido Alejandro. "GNSS reflectometry for land remote sensing applications." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/129090.

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Soil moisture and vegetation biomass are two essential parameters from a scienti c and economical point of view. On one hand, they are key for the understanding of the hydrological and carbon cycle. On the other hand, soil moisture is essential for agricultural applications and water management, and vegetation biomass is crucial for regional development programs. Several remote sensing techniques have been used to measure these two parameters. However, retrieving soil moisture and vegetation biomass with the required accuracy, and the appropriate spatial and temporal resolutions still remains
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Amrani, Naoufal. "Spectral decorrelation for coding remote sensing data." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/402237.

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Hoy en día, los datos de teledetección son esenciales para muchas aplicaciones dirigidas a la observación de la tierra. El potencial de los datos de teledetección en ofrecer información valiosa permite entender mejor las características de la tierra y las actividades humanas. Los desarrollos recientes en los sensores de satélites permiten cubrir amplias áreas geográficas, produciendo imágenes con resoluciones espaciales, espectrales y temporales sin precedentes. Esta cantidad de datos producidos implica una necesidad requiere técnicas de compresión eficientes para mejorar la transmisión y la
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48

Gregorio, López Eduard. "Lidar remote sensing of pesticide spray drift." Doctoral thesis, Universitat de Lleida, 2012. http://hdl.handle.net/10803/96788.

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En aquesta tesi doctoral es proposa utilitzar la tècnica LIDAR (Light Detection And Ranging) per estudiar la deriva de pesticides. A diferència dels col·lectors in situ, aquesta tècnica permet mesurar els aerosols de forma remota, amb elevada resolució temporal i en distància. Els objectius d’aquesta tesi són (1) dissenyar un sistema lidar específic per la mesura de la deriva i (2) avaluar la capacitat d’aquesta tècnica per quantificar la concentració en els núvols de pesticides. Per la consecució de l’objectiu (1) s’ha elaborat una metodologia de disseny, validada mitjançant la construc
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Koc, Ayten. "Remote Sensing Study Of Surgu Fault Zone." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606611/index.pdf.

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The geometry, deformation mechanism and kinematics of the S&uuml<br>rg&uuml<br>Fault Zone is investigated by using remotely sensed data including Landsat TM and ASTER imagery combined with SRTM, and stereo-aerial photographs. They are used to extract information related to regional lineaments and tectono-morphological characteristics of the SFZ. Various image processing and enhancement techniques including contrast enhancement, PCA, DS and color composites are applied on the imagery and three different approaches including manual, semi automatic and automatic lineament extraction methods are f
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50

Shaw, David. "Remote sensing of natural Scots pine regeneration." Thesis, University of Edinburgh, 2001. http://hdl.handle.net/1842/25176.

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The regeneration of native Scots pine forest has become an important objective of conservation management within Scotland. Management practices are being employed to encourage regeneration by natural means, but quantitatively monitoring progress is difficult to achieve on the ground. The study explores the potential application of optical remote sensing to monitoring natural regeneration. However, there is currently a lack of understanding of the detailed spectral and spatial properties of such semi-natural landscapes. The study addresses this problem through detailed analysis of the spectral
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