Satellite-derived Digital Elevation Model (DEM) selection, preparation and correction for hydrodynamic modelling in large, low-gradient and data-sparse catchments
Summary Digital Elevation Models (DEMs) that accurately replicate both landscape form
and processes are critical to support modelling of environmental processes. Topographic …
and processes are critical to support modelling of environmental processes. Topographic …
A framework to assess suitability of global digital elevation models for hydrodynamic modelling in data scarce regions
With increase in availability of global Digital Elevation Models (DEMs) that are derived from
distinctive techniques with varying characteristics, it is essentially required to assess their …
distinctive techniques with varying characteristics, it is essentially required to assess their …
Hydraulic correction method (HCM) to enhance the efficiency of SRTM DEM in flood modeling
Abstract Digital Elevation Model (DEM) is one of the most important controlling factors
determining the simulation accuracy of hydraulic models. However, the currently available …
determining the simulation accuracy of hydraulic models. However, the currently available …
Adjustment of a spaceborne DEM for use in floodplain hydrodynamic modeling
Precise Digital Elevation Models (DEMs) are required for the accurate modeling of
floodplain hydrodynamics. The accuracy of currently available spaceborne DEMs however …
floodplain hydrodynamics. The accuracy of currently available spaceborne DEMs however …
[HTML][HTML] Understanding the effects of Digital Elevation Model resolution in urban fluvial flood modelling
With the extensive use of 2D flood models, the resolution and quality of Digital Elevation
Models (DEMs) have come under greater focus especially in urban hydrology. One of the …
Models (DEMs) have come under greater focus especially in urban hydrology. One of the …
Uncertainties associated with digital elevation models for hydrologic applications: a review
SP Wechsler - Hydrology and Earth System Sciences, 2007 - hess.copernicus.org
Digital elevation models (DEMs) represent the topography that drives surface flow and are
arguably one of the more important data sources for deriving variables used by numerous …
arguably one of the more important data sources for deriving variables used by numerous …
Approach to digital elevation model correction by improving channel conveyance
Digital elevation models (DEM) are important inputs for topography in modeling floods for
remote and inaccessible regions. DEMs often lack in accuracy near water bodies and rivers …
remote and inaccessible regions. DEMs often lack in accuracy near water bodies and rivers …
Perspectives on digital elevation model (DEM) simulation for flood modeling in the absence of a high-accuracy open access global DEM
Open-access global Digital Elevation Models (DEM) have been crucial in enabling flood
studies in data-sparse areas. Poor resolution (> 30 m), significant vertical errors and the fact …
studies in data-sparse areas. Poor resolution (> 30 m), significant vertical errors and the fact …
Uncertainty reduction and parameter estimation of a distributed hydrological model with ground and remote-sensing data
During the last decade the opportunity and usefulness of using remote-sensing data in
hydrology, hydrometeorology and geomorphology has become even more evident and …
hydrology, hydrometeorology and geomorphology has become even more evident and …
Digital elevation model grid size, landscape representation, and hydrologic simulations
W Zhang, DR Montgomery - Water resources research, 1994 - Wiley Online Library
High‐resolution digital elevation data from two small catchments in the western United
States are used to examine the effect of digital elevation model (DEM) grid size on the …
States are used to examine the effect of digital elevation model (DEM) grid size on the …