Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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Evolution of Regional Transmissivity Pattern in Adila Basin : A Nested Squares Finite Difference Model


Affiliations
1 Geology Department, Shivaji University PG Centre, Solapur, India
2 National Geophysical Research Institute, Hyderabad, India
     

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Aquifer parameters have been estimated through pump tests conducted on large diameter wells at 40 locations well distributed in the basin. The pre- and post-monsoon groundwater levels during 1988 and 1989 have been measured at 40 observation wells. (1) Total groundwater input of 23.8 MCM to aquifer system consists of 23.2 MCM of recharge due to rainfall and 0.6 MCM of seepage from canal network. (2) Total output stresses include groundwater draft of 14.6 MCM from about 1300 open wells and borewells, and groundwater effluence of 9.2 MCM to the Adila stream. (3) The regional transmissivity (T) values in the basin range from 10 to 235 m2/day.

Keywords

Ground Water Adila Basin, Maharashtra, Deccan Trap Transmissivity.
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  • Evolution of Regional Transmissivity Pattern in Adila Basin : A Nested Squares Finite Difference Model

Abstract Views: 237  |  PDF Views: 1

Authors

A. B. Narayanpethkar
Geology Department, Shivaji University PG Centre, Solapur, India
V. V. S. Gurunadha Rao
National Geophysical Research Institute, Hyderabad, India
K. Mallick
National Geophysical Research Institute, Hyderabad, India

Abstract


Aquifer parameters have been estimated through pump tests conducted on large diameter wells at 40 locations well distributed in the basin. The pre- and post-monsoon groundwater levels during 1988 and 1989 have been measured at 40 observation wells. (1) Total groundwater input of 23.8 MCM to aquifer system consists of 23.2 MCM of recharge due to rainfall and 0.6 MCM of seepage from canal network. (2) Total output stresses include groundwater draft of 14.6 MCM from about 1300 open wells and borewells, and groundwater effluence of 9.2 MCM to the Adila stream. (3) The regional transmissivity (T) values in the basin range from 10 to 235 m2/day.

Keywords


Ground Water Adila Basin, Maharashtra, Deccan Trap Transmissivity.