3
$\begingroup$

I want to calculate recharge for an aquifer for which I have calculated daily ET by Haude's method and I also have daily precipitation data. How can I calculate recharge per minutes.

$\endgroup$
  • $\begingroup$ I know I have to first calculate field capacity and wilting point. Most methods estimate wilting point and field capacity by percentage of sand, silt and clay content. What if more than 50% of soil is > 2mm i.e fall in 'gravel' range? $\endgroup$ – Ather Cheema Jul 18 '16 at 11:47
2
$\begingroup$

This methodology won't work. Haude's method only gives a rough estimate of evaporation. Consider the hydrologic cycle: Rainfall = evaporation (or evapotranspiration) + runoff + surface detention + soil moisture storage + infiltration +/- interbasin transfer. It sounds like you don't have nearly enough data to estimate the aquifer recharge.

$\endgroup$
  • $\begingroup$ You are right that Haude is very crude but I don't have enough data. Also I don't need to have very exact recharge measurement. I value of recharge is to be added in groundwater to account for its affect to change water table. Water table in said model actually varies by other factors. I have data about radiation, temp, rain, humidity, wind speed. $\endgroup$ – Ather Cheema Jul 18 '16 at 11:39

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.