Digital elevation models
Homological persistence for shape based change detection between Digital Elevation Models
... Change detection from aerial or spatial images is a major stake for accelerating and automatizing of geographical databases. Such databases are becoming larger, more complete and more accurate, so the task of keeping ...
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STATISTICAL EVALUATION OF FITTING ACCURACY OF GLOBAL AND LOCAL DIGITAL ELEVATION MODELS IN IRAN
... Digital Elevation Models (DEMs) are one of the most important data for various applications such as hydrological studies, topography mapping and ortho image ...applications.These models are ...
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NOTAS SOBRE COMPARAÇÕES ENTRE DISTINTOS MODELOS DIGITAIS DE ELEVAÇÃO Notes on comparisons between distinct Digital Elevation Models Bruna Mendel Naissinger Adriane Brill Thum
... Cartographic Digital Products (CDPs) in many activity areas has fomented a real revolution in Geographical Information Systems (GIS) technologies and ...work, Digital Elevation Models (DEMs) ...
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Quantifying the performance of automated GIS-based geomorphological approaches for riparian zone delineation using digital elevation models
... using digital elevation models (DEMs), in an attempt to find hydrologically meaningful potential ripar- ian zones for river networks at the river basin ...geomorphologic models is provided by ...
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Karst Depression Detection Using ASTER, ALOSPRISM and SRTM-Derived Digital Elevation Models in the Bambuí
... The methodology we used to determine the “sink depth” of closed depressions involved two DEM operations. The first step used the “Fillsink” algorithm from the ArcMap software package [25] that identifies the point or set ...
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A computationally efficient depression-filling algorithm for digital elevation models, applied to proglacial lake drainage
... resolution digital elevation model (DEM) of North America and Greenland, a geographical area of roughly 7000 by 5000 km (roughly 35 million elements), about half of which is covered by ...bedrock ...
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Area, elevation and mass changes of the two southernmost ice caps of the Canadian Arctic Archipelago between 1952 and 2014
... (GNSS) elevation mea- surements, automatic weather observations, snow depth and surface mass balance measurements) with the objective of establishing a long-term observing ...and digital elevation ...
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Bol. Ciênc. Geod. vol.23 número4
... involving Digital Elevation Models ASTER GDEM version 2 and SRTM version ...Both models are readily available free of charge, however as they are built from different remote sensing methods it ...
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Mapeamento de solos pela integração de modelos digitais de terreno, pedologia espectral e fotopedologia
... ABSTRACT - New tools for soil mapping are needed to increase speed and accuracy of pedological mapping processes. This study integrated various technologies to map soils of the Piracicaba region in São Paulo State, ...
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DIGITAL ELEVATION MODEL VALIDATION WITH NO GROUND CONTROL: APPLICATION TO THE TOPODATA DEM IN BRAZIL
... Digital elevation models (DEMs) are commonly used to describe the 3D geometry of the Earth surface for a variety of applications such as landscape synthesis, hydrologic modelling or geological hazard ...
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COMPUTER-ASSISTED CARTOGRAPHY USING TOPOGRAPHIC PROPERTIES: PRECISION AND ACCURACY OF LOCAL SOIL MAPS IN CENTRAL MEXICO
... called Digital Soil Mapping (DSM) used in soil science (McBratney et ...of digital maps of soil class and soil ...algorithms, digital elevation models, and data ...These models ...
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GENERATION AND EVALUATION OF RADARGRAMMETRIC DEM FROM RADARSAT-1 STANDARD IMAGES IN LOW RELIEF AREA IN THE AMAZON COASTAL PLAIN
... The generation of digital elevation models (DEMs) from the Standard imaging mode of RADARSAT-1 stereo-images was investigated to evaluate the viability of producing 1:100,000 scale altim[r] ...
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Comment on "100-year mass changes in the Swiss Alps linked to the Atlantic Multidecadal Oscillation" by Matthias Huss et al. (2010)
... Huss et al. (2010) base the modeled mass balance series for the 100-year period 1908–2008 on in-situ measurements and ice volume changes derived from sequential Digital Elevation Models (DEMs) of the ...
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Landslide observation and volume estimation in central Georgia based on L-band InSAR
... Most active landslides are studied using field-based mor- phological, structural and kinematic analyses. Ground-based techniques are not appropriate for detecting a landslide in a broad area because of the limited ...
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Processing of data obtained from topographic maps
... conditioned digital elevation models (HCDEMs) generated from data of VNIR (Visible Near Infrared) sensor of ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer), of SRTM (Shuttle ...
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Assessment of Digital Elevation Model for Digital Soil Mapping in a Watershed with Gently Undulating Topography
... from digital elevation models (DEMs) are frequently used in digital soil mapping (DSM) as auxiliary covariates in the construction of prediction ...precision elevation by statistical ...
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Brazilian Amazon, with almost 5,500,000 km2 , presents,
... using elevation generated from orbital ASTER stereo-pairs images for topographic mapping was investigated for the mountainous relief in the Serra dos Carajás, ...stereoscopic Digital Elevation ...
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Digital elevation model quality on digital soil mapping prediction accuracy
... Digital elevation models (DEM) used in digital soil mapping (DSM) are commonly selected based on measures and indicators (quality criteria) that are thought to reflect how well a given DEM ...
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Braz. J. Oral Sci. vol.13 número4
... virtual models by comparing measurements performed on virtual models obtained from alginate impression scans, plaster model and measurements performed on conventional plaster ...virtual models were ...
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Collaborative models of social indexation and its applicability in digital libraries
... ambiente digital, identificando tipos de modelos colaborativos cujas regras podem ser aperfeiçoadas ou diretamente aplicadas para a indexação colaborativa de objetos informacionais em bibliotecas ...
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