Morphometric analysis using remote sensing techniques in the chaka sub-basin, purulia district, West Bengal



Remote sensing techniques using satellite imagery have proved to be an indispensible tool in morphometric analysis and groundwater studies. In the present area, morphometric analysis using temote sensing techniques have been carried out in Chaka river sub-basin of Manbazar Block, Purulia district, West-Bengal, which is one of the most drought affected area in West-Bengal. The parameters worked out include Bifurcation ratio (Rb), Stream length (Lu). Form factor (Rf), Circulatory ratio (Rc), and Drainage density. The morphometric analysis suggests that the area is covered by fractured, resistant, permeable rocks, the drainage network not so affected by tectonic disturbances.

Using satellite imageries of LANDSAT and IRS, different hydrogeomorphological units have been delineated. The study shows that moderately weathered pediplains and valley fills are good prospective zones for groundwater exploration.


Morphometric Analysis Satellite Imagery Drainage Density Order Stream Stream Length 
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Copyright information

© Springer 1998

Authors and Affiliations

  • SK Nag
    • 1
  1. 1.Department of Geological SciencesJadavpur UniversityCalcutta

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