Comparative Study of Landsat and Aster Data by Morphometric Analysis
Abstract: In this paper, a
case-study is presented to differentiate between Landsat and Aster data by
morphometric analysis. For this the Aster and Landsat digital elevation model
(DEM) data of the same study area was taken and then both the data was
delineated for the same (common) outlet. The major differences found in between
Landsat and Aster data after delineation are in the number of first order
stream, axial length of streams, average width and size of watershed. The case
study presented will be useful in demonstrating the fact that Landsat DEM has
better accuracy than Aster DEM for land cover areas when the DEM data
characteristic are kept similar.
Author: Sujit Kumar, Tapasi
Bhandary
Journal Code: jptsipilgg150036
Artikel Terkait :
Jp Teknik Sipil gg 2015
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