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Study on the effect of groundwater recharge through water harvesting structures in semi-arid red soil region of south India

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Title Study on the effect of groundwater recharge through water harvesting structures in semi-arid red soil region of south India
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Creator R.N. Adhikari, A.K. Singh, S.K.N. Math, K.K. Sharma and K.K. Reddy
 
Subject Antecedent Precipitation index, Curve Number, Ground water recharge, Percolation tanks, Watershed storage
 
Description Not Available
A study was conducted to investigate the effect of Water Harvesting Structures
(WHS) on groundwater (GW) recharge during 2004-08 in red soil watershed of semi arid region, namely
K.D. Pally watershed (920 ha) in Kambadur Mandal of Anantapur district, Andhra Pradesh. Four WHS
namely, P. Reddy Check Dam (PRCD), G. Reddy Percolation Tank (GRPT), Small Check Dam (Small CD) and
Village Percolation Tank (VPT) of storage capacity 1.67, 4.36, 0.33 and 3.93 ha- m, respectively
having a total capacity of 9.4 ha-m. One time filling were selected to assess their effect on GW
recharge. In the present study, structure wise simple linear and multiple regression equations with
API as an additional factor were developed to predict the runoff expected in a particular rainfall
storm, for all four structures. The hydrological analysis showed that curve number (CN) was found
to be less and storage (St) was higher in case of computed values from observed data using
methodology prescribed in the present study compared to Hydrologic Soil Cover Complex method.
Potential recharge has been estimated and empirical relationships were developed between cumulative
potential recharge and cumulative rainfall. Changes in ground water utilization pattern was also
studied and found that the irrigated area expanded up to 113.5 ha in post-project as against
37.2 ha pre-project. The present study showed that the WHS had very good impact on ground water
recharge in the study area. Therefore, it is recommended that the study can be applied for similar
other region for approximate quantification of surface storage and ground water recharge.
Not Available
 
Date 2019-02-27T06:51:24Z
2019-02-27T06:51:24Z
2015-12-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/17060
 
Language English
 
Relation Not Available;
 
Publisher Not Available