Are, or were there, any ...

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Are, or were there, any springs in the area? If so, what has been their condition over the same period? I'm curious as to whether historical streamflows in the stream are from direct runoff, or from  groundwater exfiltration. If it's the latter, it's possible that something (increased groundwater pumping for agriculture, etc) has lowered  the groundwater table down below the elevation of the stream, thereby not allowing the groundwater to charge the stream. 

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Hi Daniel Frazier, P.E. ,

Thanks for the response.

I do had the same doubt, but unfortunately we don't have the data for the springs.

The streamflows are mostly from the direct runoff, very few are of exfiltration from groundwater - I did not see such broad area of aquifers to store water for run off.

Indeed, there was massive exploitation of ground water for agriculture in this area.

As I said earlier to above query - The catchment area is 2 miles far and 100 meters different in altitude to the agricultural area for borewell - Will that still impact the runoff ?

Thanks

Murthi

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