Digital elevation model (DEM)
VALIDATION OF THE ASTER GLOBAL DIGITAL ELEVATION MODEL VERSION 2 OVER THE CONTERMINOUS UNITED STATES
... Global Digital Elevation Model Version 2 (GDEM v2) was evaluated over the conterminous United States in a manner similar to the validation conducted for the original GDEM Version 1 (v1) in ...
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Analysis of tectonic-controlled fluvial morphology and sedimentary processes of the western Amazon Basin: an approach using satellite images and digital elevation model
... An investigation of the tectonic controls of the fluvial morphology and sedimentary processes of an area located southwest of Manaus in the Amazon Basin was conducted using orbital remote sensing data. In this region, ...
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PREPARATION OF THE DIGITAL ELEVATION MODEL FOR ORTHOPHOTO CR PRODUCTION
... via digital elevation ...the digital terrain model of the Fundamental Base of Geographic Data of the Czech Republic, in the grid 10 x 10 m, was applied for ...the model. The first one, ...
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Assessment of Digital Elevation Model for Digital Soil Mapping in a Watershed with Gently Undulating Topography
... the elevation data and mapping units, and found that DEMs with a wide amplitude in elevation values generate decision tree models with less selected TA, reflected in the reduction of predicted soil ...tree ...
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Digital elevation model quality on digital soil mapping prediction accuracy
... Modelos digital de elevação (MDE) usados no mapeamento digital de solo (MDS) são comumente selecionados com base em medidas e indicadores (critérios de qualidade) que refletem como um determinado MDE ...
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DIGITAL ELEVATION MODEL VALIDATION WITH NO GROUND CONTROL: APPLICATION TO THE TOPODATA DEM IN BRAZIL
... Evaluating the quality of a DEM in terms of shape rendering is less straightforward. The comparison of a terrain shape as modelled in the evaluated DEM with a reference is limited by the fact that height derivatives ...
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Quantifying the performance of automated GIS-based geomorphological approaches for riparian zone delineation using digital elevation models
... a digital elevation model (DEM) and wa- ter level ...draulic model at several locations and extended them over the floodplain by interpolating water levels at each DEM cell (Noman et ...
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COMPUTER-ASSISTED CARTOGRAPHY USING TOPOGRAPHIC PROPERTIES: PRECISION AND ACCURACY OF LOCAL SOIL MAPS IN CENTRAL MEXICO
... digital elevation model (DEM) was extracted from the download system of the Continuo de Elevaciones Mexicano (INEGI, 2007) and resized to each study ...
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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 ...ice-sheet ...
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Processing of data obtained from topographic maps
... a digital elevation model ...as digital resources (speed, reliability and integration with other databases), reducing manual intervention and, thus, reducing subjectivity and the possibility ...
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APPLICATION OF LiDAR DATE TO ASSESS THE LANDSLIDE SUSCEPTIBILITY MAP USING WEIGHTS OF EVIDENCE METHOD – AN EXAMPLE FROM PODHALE REGION (SOUTHERN POLAND)
... are elevation models: DSM (Digital Surface Model) and DEM (Digital Elevation ...color model similar to natural RGB (Red, Green, ...generated digital elevation ...
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Topography and Land Temperature Investigation Using Arc GIS 10
... Digital elevation data set is very useful to find out the slope, aspect, hill-shade and relief, which are very important for agricultural ...of elevation/vertical height the weather or climate also ...
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Avalanche situation in Turkey and back calculation of selected events
... (digital elevation model) DEM- based potential release zone identification algorithm to an- alyze the catastrophic avalanche events in the villages of Üzengili (Bayburt province) in 1993 and Yaylaönü ...
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Flow-R, a model for susceptibility mapping of debris flows and other gravitational hazards at a regional scale
... pirical model has thus been developed for regional suscepti- bility assessments using essentially a digital elevation model ...The model is called Flow-R for Flow path assess- ment of ...
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Structurally controlled hazard mapping of Southern Leyte, Philippines
... data (Jaboyedoff et al., 2012). In geology, these methods are extensively used consid- ering both factors. Lineament patterns are one of the most observable features using a digital elevation model. ...
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Bamboo-dominated forests of the southwest Amazon: detection, spatial extent, life cycle length and flowering waves.
... a digital elevation model, contrasting topography of the hilly eroded landscape having fertile, poorly drained clay soil supporting bamboo-dominated forest and the plateau with infertile sandy ...
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STATISTICAL EVALUATION OF FITTING ACCURACY OF GLOBAL AND LOCAL DIGITAL ELEVATION MODELS IN IRAN
... The digital elevation models generally may divide into two categories, global and local DEMs. Global DEMs have nearly world-wide coverage with mostly free of charge availability at the different ...
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Mass gain of glaciers in Lahaul and Spiti region (North India) during the nineties revealed by in-situ and satellite geodetic measurements
... between 4700 and 5100 m a.s.l. was extrapolated from the lower to the upper part, us- ing a linear regression with altitude. This results in a cumulative MB of −3.8 m w.e. This third assumption seems to be the most ...
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Elevation and elevation change of Greenland and Antarctica derived from CryoSat-2
... observe elevation change of 2 m yr −1 which adds up to an elevation change of more than 10 m within the last 6 ...ICESat elevation data sets serves as reference. Next the elevation difference ...
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Area, elevation and mass changes of the two southernmost ice caps of the Canadian Arctic Archipelago between 1952 and 2014
... 2009) or in southeast Alaska (Trüssel et al., 2013). Given the absence of calving glaciers for TNIC, its high rate of mass loss can only be explained by negative surface mass balance due to an ELA that, for most years, ...
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