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Investigaciones geográficas
versión On-line ISSN 2448-7279versión impresa ISSN 0188-4611
Resumen
PONCE, V. Miguel; GARCIA CUETO, O. Rafael y ERCAN, Sezar. Potential climatic change derived from the exploitation of groundwater at the Ojos Negros Valley, Baja California. Invest. Geog [online]. 2001, n.44, pp.6-17. ISSN 2448-7279.
A detailed annual analysis of the records of climatological variables for the Ojos Negros Valley, B. C, revealed a negative tendency for temperature, and positive tendency for precipitation, along the study period (1949-1993). The increasing groundwater extraction for agricultural use produces a change in the balance energy and a decrease in albedo. From these data, B is inferred that a change in evapotranspiration and a humidification of the local climate occur, hence affecting the analyzed climatological variables, A similar, although more moderate trend, was observed in two climatological stations located nearby which were used as control.
Palabras llave : Climatic change; albedo; irrigation; evapotranspiration; humidification; energy balance.