Results 11 to 20 of about 1,085,325 (248)
International Journal of Disaster Risk Science, 2021 Digital Elevation Models (DEMs) play a critical role in hydrologic and hydraulic modeling. Flood inundation mapping is highly dependent on the accuracy of DEMs.
Kepeng Xu +5 more
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Digital elevation models of TanDEM-X mission [PDF]
Biuletyn Wojskowej Akademii Technicznej, 2015 Started in 2010 TanDEM-X mission (TerraSAR-X add-on for Digital Elevation Measurement) is the first spaceborne radar interferometer mission that acquires interferometric data in bistatic InSAR stripmap mode with two spacecrafts TerraSAR-X (TSTSX) and ...
Małgorzata Woroszkiewicz
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New high-fidelity terrain modeling method constrained by terrain semanteme. [PDF]
PLoS ONE, 2018 Production of higher-fidelity digital elevation models is important; as such models are indispensable components of space data infrastructure. However, loss of terrain features is a constant problem for grid digital elevation models, although these ...
Bo Zhou +3 more
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, 2021 The Planet SkySat-C SmallSat constellation can acquire very high resolution (0.7 m to 0.9 m) triplet stereo and video imagery with short revisit times, providing an exciting opportunity for global, on-demand 3D mapping of dynamic surface features ...
Shashank Bhushan +3 more
semanticscholar +1 more source
Shirkat Town Monitoring Using Digital Elevation Model [PDF]
Engineering and Technology Journal, 2011 In this search, a colored image of French satellite SPOT, of Shirkat country in Salahadeen was used with resolution about (5m) for an area with dimensions (4km×8km), and a digital elevation model (DEM) with grids (20m×20m) and levels reach to (1m ...
Iman A. Shawkat +2 more
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The Comparison of Different Procedures for the Preparing of the Digital Elevation Model, Case Study: Noferest watershed, Birjand township, South Khorasan Province [PDF]
جغرافیا و آمایش شهری منطقهای, 2014 The exact estimation of qualitative and quantitative characteristics of the natural phenomena requires a great deal of time and expense. Therefore, the interpolation procedures are used as a suitable solution in the estimation of the places which are ...
Ali. Ashrafi, Mohammad Ali. Alimi
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Digital Elevation Model Quality Assessment Methods: A Critical Review
Remote Sensing, 2020 Digital elevation models (DEMs) are widely used in geoscience. The quality of a DEM is a primary requirement for many applications and is affected during the different processing steps, from the collection of elevations to the interpolation implemented ...
L. Polidori, M. Hage
semanticscholar +1 more source
Use of HAND terrain descriptor for estimating flood-prone areas in river basins
Revista Brasileira de Ciências Ambientais, 2021 The flood hazard mapping in a river basin is crucial for flooding risk management, mitigation strategies, and flood forecasting and warning systems, among other benefits.
Ana Alice Rodrigues Dantas +1 more
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Visualization of a Digital Elevation Model
Data Science Journal, 2007 In recent years, Geographic Information Systems (GIS) have gradually changed from using the traditional 2D map expression to 3D visualization. The combination of visual techniques and GIS is a multi discipline, leading edge field, the development of ...
Linlin Lu, Huadong Guo
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A PHASED CREATION OF DIGITAL ELEVATION MODEL FOR HYDRODYNAMIC MODELING IN FLAT ZONES
Facta Universitatis. Series: Architecture and Civil Engineering, 2022 Hydrodynamic modeling of rivers with flood simulation requires an accurate description of the riverbed and inundation morphology. Depending on a geodetic survey method and data collected, the digital elevation models with different accuracy can be ...
Borko Radivojević +3 more
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