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Vassilios N. Grigoriadis, Vassilios D. Andritsanos and Dimitrios A. Natsiopoulos
Recent Digital Surface, Elevation, and Bathymetric Models (DSM/DEM/DBM) aim to provide high-resolution and accurate height and depth information needed for a variety of surveying, geodetic, geophysical, and other applications. In this study, first we aim...
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Carlos López-Vázquez and Francisco Javier Ariza-López
From an extensive search of papers related to the comparison of Global Digital Elevation Models (hereinafter GDEMs), an analysis is carried out that aims to answer several questions such as: Which GDEMs have been compared? Where have the comparisons been...
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Antonios Mouratidis and Dimitrios Ampatzidis
Digital elevation models (DEMs) are a widely used form of topographic information, with some of the most popular being the Shuttle Radar Topography Mission (SRTM) DEM and the Advanced Spaceborne Thermal Emission and Reflection Radiometer Global Digital E...
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Sansar Raj Meena and Thimmaiah Gudiyangada Nachappa
Landslides are one of the most damaging geological hazards in mountainous regions such as the Himalayas. The Himalayan region is, tectonically, the most active region in the world that is highly vulnerable to landslides and associated hazards. Landslide ...
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Elisabete S.V. Monteiro, Cidália C. Fonte and João L.M.P. de Lima
Terrain slope and drainage networks are useful components to the basins morphometric characterization as well as to hydrologic modelling. One way to obtain the slope, drainage networks, and basins delineation is by their extraction from Digital Elevation...
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Md. N. M. Bhuyian, Alfred Kalyanapu and Faisal Hossain
This study assessed the uncertainty in flood impact assessment (FIA) that may be introduced by errors in moderate resolution regional and moderate resolution global Digital Elevation Models (DEM). One arc-second National Elevation Dataset (NED) and one a...
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Seonyoung Park, Sumin Park, Jungho Im, Jinyoung Rhee, Jinho Shin, Jun Dong Park
Pág. 1 - 23
Soil moisture is a key part of Earth?s climate systems, including agricultural and hydrological cycles. Soil moisture data from satellite and numerical models is typically provided at a global scale with coarse spatial resolution, which is not enough for...
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Pablo Gabriel Cremades,Rafael Pedro Fernández,David Gabriel Allende,Gabriela Celeste Mulena,Salvador Enrique Puliafito
Pág. 11 - 25
A proper representation of dust sources is critical to accurately predict atmospheric particle concentration in regional windblown dust simulations. The Weather Research and Forecasting model with Chemistry (WRF/Chem) includes a topographic-based erodibi...
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Daniel Colonia, Judith Torres, Wilfried Haeberli, Simone Schauwecker, Eliane Braendle, Claudia Giraldez and Alejo Cochachin
Global warming causes rapid shrinking of mountain glaciers. New lakes can, thus, form in the future where overdeepenings in the beds of still-existing glaciers are becoming exposed. Such new lakes can be amplifiers of natural hazards to downstream popula...
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Zbigniew Walczak, Mariusz Sojka, Rafal Wrózynski, Ireneusz Laks
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This study compares four digital elevation models (DEMs), based on various data sources, to define polder retention capacities. Two commercial and two publically available, free of charge data sources were used. Commercial sources are DEMs based on aeria...
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