R. Dashora

Maharana Pratap University of Agriculture and Technology

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Basant Maheshwari

Western Sydney University

Yogita Dashora

Maharana Pratap University of Agriculture and Technology

P. Soni

Krishi Vigyan Kendra, Ghatkhed Amravati

Peter Dillon

Commonwealth Scientific and Industrial Research Organisation

R. C. Purohit

Maharana Pratap University of Agriculture and Technology

Pradeep Kumar Singh

GLA University

Pennan Chinnasamy

Indian Institute of Technology Bombay

Pratibha Katara

Maharana Pratap University of Agriculture and Technology

V. Goradiya

Sham Davande

Bombay Natural History Society

Cooperative Institutions

Maharana Pratap University of Agriculture and Technology

Western Sydney University

International Water Management Institute

Krishi Vigyan Kendra, Ghatkhed Amravati

CSIRO Land and Water

Lovely Professional University

Gujarat Institute of Development Research

Indian Institute of Petroleum

International Management Institute

Asian Development Bank

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Hydrologic and cost benefit analysis at local scale of streambed recharge structures in Rajasthan (India) and their value for securing irrigation water supplies

Hydrogeology Journal (2019)

Yogita Dashora Peter Dillon Basant Maheshwari P. Soni Himanshu Mittal

A hydrological study of four streambed recharge structures, locally called check dams, in a monsoonal area of hard-rock terrain in Rajasthan, India, was conducted over 3 years to evaluate their contribution to agricultural production. Their catchment area totalled 3,003 ha, and mean annual recharge from the 4 impoundments was 779,000 m3 or 26 mm. The calculated components of the annual water balance of these check dams are presented, together with a sensitivity analysis on unmeasured parameters and documentation of capital and maintenance costs of check dams. The maximum recharge was found to occur in the wettest year for the two structures on first-order streams; however, for the two structures on second-order streams, the maximum recharge occurred in the average rainfall year because, at these sites, groundwater levels rose so that the stream became hydraulically connected to the aquifer for a period in the wettest year causing mean dry weather infiltration rates to diminish. The study also evaluated the effect of manual desilting and mechanical desilting on mean dry-weather-infiltration rate. For the check dam that was manually desilted, the recharge increased by 84% over that of the preceding year, whereas for the mechanically desilted check dam it reduced by 18%, and the two control check dams increased by 13%. A present value analysis for net benefits of additional crop production attributable to recharge from check dams indicated that, after accounting for average annual maintenance costs 2.9% of capital costs, the benefit:cost ratio of the four check dams averaged 4.1. Hence this study shows that these check dams are economically attractive at the local level for securing irrigation water supplies.

Infiltration (HVAC)

Water balance

10.1007/s10040-019-01951-y

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Citations (18)

Estimation of specific yield using water table fluctuations and cropped area in a hardrock aquifer system of Rajasthan, India

Agricultural Water Management (2018)

Pennan Chinnasamy Basant Maheshwari Peter Dillon Ramesh Purohit Yogita Dashora

10.1016/j.agwat.2018.02.016

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Citations (24)

Managing aquifer recharge and sustaining groundwater use: developing a capacity building program for creating local groundwater champions