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Prediction of seasonal water-table fluctuations in La Pampa and Buenos Aires, Argentina

Content Provider	Springer Nature Link
Author	Tanco, Raúl Kruse, Eduardo
Copyright Year	2001
Abstract	The fluctuation of the water table east of La Pampa province and northwest of Buenos Aires province, Argentina, influences agricultural production in the region because it is closely related to the alternation of dry and wet periods. Sea-surface temperature (SST) anomalies have been used as predictors to forecast atmospheric variables in different regions of the world. The objective of this work is to present a simple model to forecast seasonal rainfall using SST distribution in the Pacific Ocean as a predictor. Once the relationship between precipitation and water-table fluctuations was established, a methodology for the prediction of water-table fluctuations was developed. A good agreement between observed and predicted water-table fluctuations was found when estimating water-table fluctuations in the summer and autumn seasons. Les fluctuations de la nappe à l'est de la province de La Pampa et au nord-ouest de la province de Buenos Aires (Argentine) influence la production agricole de la région parce qu'elle est étroitement liée à l'alternance de saisons sèches et humides. Les anomalies de la température de surface de l'océan (SST) ont été utilisées comme prédicteurs pour prévoir les variables atmosphériques dans différentes régions du monde. L'objectif de ce travail est de présenter un modèle simple de prévision des précipitations saisonnières en utilisant comme prédicteur la distribution des SST dans l'Océan Pacifique. Une fois que la relation entre les fluctuations des précipitations et celles de la nappe a été établie, une méthodologie de prédiction des variations de la nappe a été mise au point. Un bon accord entre les variations de la nappe observées et celles prédites a été trouvé pour les estimations des variations de nappe en été et en automne. La fluctuación del nivel freático al este de la provincia de La Pampa y al nordeste de la de Buenos Aires (Argentina) repercute en la producción agrícola de la región, ya que está íntimamente relacionada con la alternancia de períodos secos y húmedos. Se ha utilizado las anomalías de la temperatura superficial del mar (TSM) para predecir las variables atmosféricas en diferentes áreas del mundo. El objetivo de este trabajo es presentar un modelo sencillo para pronosticar la precipitación estacional por medio de la distribución de TSM en el Océano Pacífico. Una vez establecida la relación entre la precipitación y las fluctuaciones del nivel freático, se desarrolló una metodología para predecir las fluctuaciones de éste. Se obtuvo un buen ajuste entre las fluctuaciones predichas y observadas del nivel freático en las estaciones de verano y otoño.
Starting Page	339
Ending Page	347
Page Count	9
File Format	PDF
ISSN	14312174
Journal	Hydrogeology Journal
Volume Number	9
Issue Number	4
e-ISSN	14350157
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-07-03
Publisher Institution	International Association of Hydrogeologists
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Water Science and Technology

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