[PDF] Top 20 How Well Can Spaceborne Digital Elevation Models
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How Well Can Spaceborne Digital Elevation Models
... Assessing global digital elevation models using the runway method: The Advanced Spaceborne 348. Thermal Emission and Reflection Radiometer versus the Shuttle Radar Topography Mission Ca[r] ... See full document
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Forest canopy gap detection and characterisation by the use of highresolution Digital Elevation Models
... surveys can be carried out at short notice at any time of year, and data can be collected by day, by night, or in shadowed areas (Renslow and Gross, ... See full document
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Reliability of Recent Global Digital Elevation Models for Geomatics Applications in Egypt and Saudi Arabia
... Global Digital Elevation Models (DEMs) have been utilized in various geomat- ics activities ...SRTM1 models attain high reliability indexes in the Nile delta region that represents a flat ... See full document
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Automated identification of potential snow avalanche release areas based on digital elevation models
... The study area Manali, a sub-basin of Beas River, lies in the Pir Panjal range in the northwestern Himalaya (Fig. 3). This area has a rapidly growing tourism sector, the ongoing infras- tructure development (roads, ... See full document
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PACIFIC ISLANDS DIGITAL ELEVATION MODELS. Coastal Models Supporting our Nation s Needs through Science and Technology
... which can grow by almost 40,000 people during the highest tourism ...tsunami models are useful tools in providing information to hazard managers and ... See full document
22
Delineate Ground Water Prospect Regions for the Proposed Study Area for Preparation of Thematic Layers of Tumakuru Taluk, Karnataka, India
... 2011)6 Digital Elevation Model (DEM) refers to a quantitative model of a part of the Earth’s surface in a digital form (Burrough and McDonnell, ...Advanced Spaceborne Thermal Emission and ... See full document
9
Subglacial topography, ice thickness, and bathymetry of Kongsfjorden, northwestern Svalbard
... gridded) digital elevation models of subglacial topography, ice thickness, and ice surface elevation of five tidewater glaciers in Kongsfjorden (1100 km 2 ), northwestern Spitsbergen, based on ... See full document
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Lava flow hazard prediction and monitoring with UAS: a case study from the 2014–2015 Pāhoa lava flow crisis, Hawai‘i
... topographic models used to forecast flow ...bare-earth digital elevation models (DEMs) and associated paths of steepest descent over the study ...UAS-derived models are an improvement ... See full document
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Suitability of Digital Elevation Models for Watershed Segmenting Images with Directional Illumination
... segmentation can be defined as a segmentation true to one given by a human being, and in the case of real images it must generally be built “by hand” [18] by an expert of the applica- tion ... See full document
7
Stream Network Delineation from High-Resolution Digital Elevation Models.
... The current regulatory environment in the State of North Carolina recognizes a stream for planning and administrative purposes only if it exists on a United States Geological Survey (USGS) 1:24,000 scale topographic map ... See full document
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Lossless data compression of grid-based digital elevation models: a PNG image format evaluation
... a Digital Elevation Model ...is, elevation) and can be compressed in a lossy or lossless manner by way of existing image compression ...over digital links, while maintaining the ... See full document
7
Creating HiRISE digital elevation models for Mars using the open-source Ames Stereo Pipeline
... Finally, visual observation of the output DEMs is a use- ful means of evaluating their quality. Processing artefacts – evidently erroneous features present in a DEM that are absent in the actual terrain – are visible in ... See full document
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LAN Tool: A GIS Tool for the Improvement of Digital Elevation Models Using Drainage Network Attributes
... Digital Elevation Models (DEMs) are numerical repre- sentations of areas on the earth’s surface produced ap- plying interpolation techniques on altitude point ...hydrologic models capable of ... See full document
12
Regional scale analysis of landform configuration with base level (isobase) maps
... Using digital elevation models (DEMs) for automatic extraction and classification of stream channels allows the data for a large area to be obtained faster and usually at no cost (Grohmann et ... See full document
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Assessment and enchacment of SRTM and ASTER GDEM using lidar digital elevation model
... of Digital Elevation Model using GIS and statistical techniques in three areas of variable relief: High, Median and Low relief at Kluang in State of Johor, ...GDEM digital elevation ... See full document
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Analysis of Digital Elevation Model and LNDSAT Data Using Geographic Information System for Soil Mapping in Urban Areas
... (Advanced Spaceborne Thermal Emission and Reflection Ra- diometer) (resolution 30 m), obtained from the active sensor database ASTER GDEM v2 (version 2 of Global Digital Elevation Model), available ... See full document
21
A physically based 3-D model of ice cliff evolution over debris-covered glaciers
... high-resolution digital elevation models (DEMs) from unmanned aerial vehicle (UAV) surveys to document the evolution of four ice cliffs on the debris-covered tongue of Lirung Glacier, Nepal, over one ... See full document
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Paper 03-2009-1
... hydrology models, this means that the detailed knowledge of land cover and vegetation types, land topology, underground soil types and water levels is ...distributed models, the spatial and temporal ... See full document
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Application of Public Domain Satellite-Based DEMs in Natural Hazard Modeling
... Abstract—With the invention of Geospatial Information Systems (GIS) and Natural hazard computer models, the role of digital elevation model (DEM) has become very important and effective tools in ... See full document
5
Uncertainties associated with digital elevation models for hydrologic applications: a review
... understand how to address and manage DEM uncertainty, specifically in relation to hydrologic applications, it is necessary to recog- nize the components and characteristics of DEMs that con- tribute to that ... See full document
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