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A MATLAB-based digital elevation model (DEM) data processing toolbox (MDEM)
Environmental Modelling & Software, 2019Abstract A MATLAB-based digital elevation model (DEM) data processing toolbox called MDEM is built upon an improved DEM data processing algorithm, known as the PDEM, for rectifying flat areas and depressions in DEM data and producing realistic patterns of flow accumulation and extracted channel networks. Compared to the original PDEM, the computation
Feifei Pan 0001 +2 more
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A continuous digital elevation representation model for DEM super-resolution
ISPRS Journal of Photogrammetry and Remote SensingShun Yao +3 more
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Satellite derived Bathymetry and Digital Elevation Models (DEM)
International Petroleum Technology Conference, 2014Abstract In 2010, Qatar Shell Upstream International B.V. (QSUI) re-entered Exploration in Qatar focusing on the relatively deep conventional Pre-Khuff gas plays with a view to discover additional hydrocarbons in the State of Qatar.
J. Siermann +3 more
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Influence of DEM (Digital Elevation Model) Resolution in Geomorphological Modeling
Paripex - Indian Journal Of Research, 2012We investigate whether an improvement in spatial resolution of DEMs (Digital Elevation Models) always leads to an improvement in the results of geomorphological models. To this end, we selected a state-of-art model for the prediction of soil thickness and we applied it in a test area using input data derived from DEMs with a cell size of 5, 10 and 20 ...
SEGONI, SAMUELE, MORETTI, SANDRO
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Based on Digital Elevation Model (DEM) for Farmland Landscape Pattern
International Journal of Smart Home, 2016Taking Gongyi city as a study area and by using the ArcGIS software, this paper analyzed the characteristics of farmland landscape patterns at the five slope gradients by Digital Elevation Model（DEM）, and explored the human disturbance on farmlands. The results indicated that the distribution of farmland landscape elements differed obviously with slope
Yansong Wang +3 more
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An evaluation of digital elevation models (DEMs) for delineating land components
Geoderma, 2014Abstract Land component boundaries often coincide with transitions in environmental land properties such as soil, climate and biology. Image segmentation is an effective method for delineating terrain morphological units from digital elevation models (DEMs). This paper compares the land components derived from five DEMs.
Zama Eric Mashimbye +2 more
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The effects of wavelet compression on digital elevation models (DEMs)
IEEE International IEEE International IEEE International Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004, 2004This paper investigates the effects of lossy compression on floating-point digital elevation models using the discrete wavelet transform. The compression of elevation data poses a different set of problems and concerns than does the compression of images.
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An evaluation of available digital elevation models (DEMs) for geomorphological feature analysis
Environmental Earth Sciences, 2020A digital elevation model (DEM) is an essential dataset for many land feature analyses, such as geomorphological feature analyses, which are very important for many types of studies. The present study involved the evaluation of five of the most common DEMs and their derived geomorphological features in the Humrat Assahn basin.
Majed Ibrahim +3 more
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