IJESD 2016 Vol.7(2): 140-144 ISSN: 2010-0264
DOI: 10.7763/IJESD.2016.V7.756
DOI: 10.7763/IJESD.2016.V7.756
Application of Public Domain Satellite-Based DEMs in Natural Hazard Modeling
Abolghasem Akbari, Noram Irwin Bin Ramli, and Ngien Su Kong
Abstract—With the invention of Geospatial Information
Systems (GIS) and Natural hazard computer models, the role of
digital elevation model (DEM) has become very important and
effective tools in Geohazard modeling. Flood inundation
mapping, landslide susceptibility mapping and wind velocity
mapping are examples that effectively employ the DEM and its
derivatives as one of the important modeling inputs. On the
other hand, satellite based DEMs have been growing rapidly in
recent years. There are several sources of DEMs available
ranging from very coarse to high resolution which provides
geospatial data in different scales. This paper describe the
specification and applications of public domain satellite-based
DEMs including SRTM and ASTER-GDEM which, are globally
free. From several applications, the scope is limited to the
application of public domain satellite DEMs in flood potential
mapping which is considered a widespread Geohazard. From
the result, it was found that several advantages were recognized
for public domain satellite–based DEMs including ease of
accessibility, elimination of institutional bureaucracy, unlimited
coverage, adequate spatial resolution, and more importantly,
they are available free of charge.
Index Terms—DEM, SRTM, ASTER-GDEM, natural hazard.
The authors are with the Faculty of Civil Engineering and Earth Resources, University Malaysia Pahang, Kuantan 26300, Kuantan, Malaysia (e-mail: akbari@ump.edu.my).
Index Terms—DEM, SRTM, ASTER-GDEM, natural hazard.
The authors are with the Faculty of Civil Engineering and Earth Resources, University Malaysia Pahang, Kuantan 26300, Kuantan, Malaysia (e-mail: akbari@ump.edu.my).
Cite: Abolghasem Akbari, Noram Irwin Bin Ramli, and Ngien Su Kong, "Application of Public Domain Satellite-Based DEMs in Natural Hazard Modeling," International Journal of Environmental Science and Development vol. 7, no. 2, pp. 140-144, 2016.
General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
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- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
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