Geoinformatic Modeling of Groundwater Resource Mapping of Shear Zone Regions- A Case Study on Attur Valley, Tamil Nadu, India

The general tendency of mapping groundwater resource using remote sensing and Geographic Information System (GIS) techniques involve assigning higher weightage to geomorphology. But this cannot be used as a thumb rule everywhere, especially an area where many ductile and brittle zones are prevalent....

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Bibliographic Details
Published in:Journal of the Indian Society of Remote Sensing 2014-12, Vol.42 (4), p.789-800
Main Authors: Thirukumaran, V, Kumanan, C. J, Biswal, T. K
Format: Article
Language:English
Subjects:
case studies
Earth and Environmental Science
Earth Sciences
geographic information systems
geomorphology
groundwater
groundwater flow
hydrologic models
remote sensing
Remote Sensing/Photogrammetry
Research Article
rocks
texture
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Summary:The general tendency of mapping groundwater resource using remote sensing and Geographic Information System (GIS) techniques involve assigning higher weightage to geomorphology. But this cannot be used as a thumb rule everywhere, especially an area where many ductile and brittle zones are prevalent. The influence of texture and structure of sheared rocks might play a control over retaining and permitting groundwater to flow. Attur valley is characterized by the presence of many shear zones and faults and hence the rocks are highly fissile within the shear zones. The present study tries to establish a new ranking and weightage scheme and hence a new spatial model for groundwater resource mapping in shear zone area like Attur Valley. This spatial model can be verified with field data such as water level data, pump test and resistivity data.
ISSN:0255-660X
0974-3006
DOI:10.1007/s12524-014-0375-7