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Accuracy Comparison of 30m Resolution SRTM and ASTER Derived Digital Elevation Models over AL-khamisah Region Using RTK-DGPS Data
| Content Provider | Scilit |
|---|---|
| Author | Hamid, Huda M. |
| Copyright Year | 2021 |
| Description | Journal: Journal of Physics: Conference Series Digital elevation models are topographic models of the Earth’s terrain that have had the heights of vegetation, and other cultural landscapes digitally removed. The accuracy and morphologic details of the height models represent the quality. DEMS provide one of the must usefule digital data sets for a wide range of users. This study is aimed at comparing and validating (in terms of elevation accuracy) SRTM and ASTER Global Digital Elevation Model (GDEM) with DGPS Points for AL-Khamisah region. Root-Mean-Square Error (RMSE) is used as the standard measure of accuracy for feature positioning. The results, of this study showed that vertical (RMSE) for ASTER DEM 4.92 m and for SRTM 2.10 m. The objectives of this study are to effectively evaluate the accuracy of ASTER and SRTM DEM datasets and determine which DEM most accurately represents low relief terrain. Findings of this analysis may be used as resources to determine the relevance of a particular DEM dataset in low relief terrain. |
| Related Links | https://iopscience.iop.org/article/10.1088/1742-6596/1804/1/012084/pdf |
| ISSN | 17426588 |
| e-ISSN | 17426596 |
| DOI | 10.1088/1742-6596/1804/1/012084 |
| Journal | Journal of Physics: Conference Series |
| Issue Number | 1 |
| Volume Number | 1804 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2021-02-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics: Conference Series Remote Sensing Srtm and Aster |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
