EL BALANCE HÍDRICO EN LA CUENCA DEL RÍO QUEQUÉN SALADO, ARGENTINA
Abstract
The hydric balance in the Quequén Salado river basin and its annual flow is determined. The basin has an area of 10.174 km2, and it is located in a very important agricultural zone. The main objective of this investigation is to calculate the hydric balances for several locations pertaining at the principal river basin. The secondary objectives are to determine the basin hydric availability in relation to the hydric balance surplus and the surface discharge. Water deficit in the basin decreases slowly in the different selected periods, meanwhile surplus has increased. In order to compare results, the potential evapotranspiration is calculated by two different methods. The variation of the precipitation and the hydric efficiency between different selected time periods is analized. Statistical correlations between pretipitations and river flow are optimum using seasonal analysis for river discharge greater than 2 m3/seg. In accordance to the soil humidity, a time log of two months between the maximum precipitation and the peak river flow is found.Downloads
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