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HYDROGEOLOGY, HYDROGEOCHEMISTRY AND ISOTOPE HYDROLOGY OF BORKENA BASIN. Sileshi Mamo. RECHARGE EVALUATION. 1 . Water balance method R= P- AET- SR/O or Surplus- SR/O 2. Cl balance method R= Clrain*Peff/Clgw, Peff=P-SR/O 3. Hydrograph separation method.
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HYDROGEOLOGY, HYDROGEOCHEMISTRY AND ISOTOPE HYDROLOGY OF BORKENA BASIN Sileshi Mamo
RECHARGE EVALUATION 1. Water balance method R= P- AET- SR/O or Surplus- SR/O 2. Cl balance method R= Clrain*Peff/Clgw, Peff=P-SR/O 3. Hydrograph separation method