Abstract
This study reports results from evaluation of the quality of digital elevation model
(DEM) from four sources viz. topographic map (1:50,000), Shuttle Radar
Topographic Mission (SRTM) (90 m), optical stereo pair from ASTER (15 m)
and CARTOSAT (2.5 m) and their use in derivation of hydrological response
units (HRUs) in Sitla Rao watershed (North
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