We work in groundwater dependent region. An average village has 100+ dugwells and 100+ borewells. To manage water at village level, we need to quantify the total amount of groundwater extracted from the village. What is the most accurate and cost effective method to measure that?
E.g. Possible methods can be:
1. Attach flowmeter to the pipe connected to pump used to extract groundwater from well
2. Estimate discharge per hour. Find out no of pumping hours through survey / electricity consumption. Multiply both the numbers.
If you have conducted any such study, please share the publication.
Dear Nikhil Joshi , Theoretically, you should be calculate the Safe yield for the wells and then estimate other characteristics of the aquifer in order to know the allowable quantity can be discharge the groundwater. Moreover all the hydrological data.
Well,
Article Impact of intense exploitation on the groundwater balance an...
Regards
When a well is dug, normally a pumping test is performed on the dug well and data is obtained(such as location, drawdown, yield, etc) . Now, if these data is available, GIS spatial analysis can be employed to quantity depletion effect within an area which consequently provides probable measure of abstraction.
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