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| Article Name : | | | IMPACT OF RAIN WATER HARVESTING STRUCTURE ON AUGMENTATION OF GROUNDWATER RECHARGE | | Author Name : | | | Y. M. Patil , V. B. Kuligod | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | GRT-4318 | | Article URL : | |  | Author Profile View PDF In browser | | Abstract : | | | The study was conducted to assess effect of water harvesting structures like minar irrigation tank on ground water recharge and water quality at Agricultural Research Station, Mugad, Karnataka, India. The minor irrigation tank water spread area was 12.16 ha with a storage capacity (0.89 M. m3) was selected to assess the effect on ground water recharge and water quality. Rainfall, water storage depth and water level of bore wells were measured every fortnight. Results showed that water harvesting structure (minor irrigation tank) resulted in mean rise of water level of bore wells by 10.41, 9.67 and 9.00 m for the year 2010-11, 2011-12 and 2012-13, respectively. The ground water quality analysis revealed that the pH was neutral (6.93- 8.14) during both pre and post monsoon seasons. The ground water EC was lower and ranged between 0.5 and 0.65 dSm-1. The SAR and RSC values of the ground water were also lower and would not cause sodicity hazard on soils with prolonged irrigation. | | Keywords : | | |
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