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Abstract:

A statistically significant relationship is found between the seasonal volume October-March of the Diamante River (central Andes mountains of Argentina) and the sea surface temperature (SST) in the Nino3 region of the Pacific Ocean (5°S-5°N, 90°W-150°W), during the previous March-April and simultaneous November-December. The Nino3 SST anomalies are positively correlated with seasonal volume anomalies. A multiple linear regression model for October-March water volume predictions is developed, making use of Nino3 anomalies observed during March-April and six-month November-December Nino3 forecast produced in May. A cross-validation analysis of three-category (tercile) forecasts for the period 1980-1994 reveals a 73% model skill, equal to that of the snowpack thickness model in use. The results of this study are of practical application to hydrologic forecast for water resources management and hydroelectricity generation. This methodology would allow the water resources administrator to have available every year in May a forecast of the water available in the system during the following melting period October-March, before the wintertime snowfalls.

Registro:

Documento: Artículo
Título:Seasonal volume forecast of the Diamante River, Argentina, based on El Nino observations and predictions
Autor:Berri, G.J.; Flamenco, E.A.
Filiación:Intl. Res. Inst. Climate Prediction, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States
Evaluacion de Recurs. Hidricos S.A., Buenos Aires, Argentina
Depto. de Cie. de la Atmosfera, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, 1428 Buenos Aires, Argentina
Palabras clave:El Nino-Southern Oscillation; river discharge; seasonality; volume; Argentina
Año:1999
Volumen:35
Número:12
Página de inicio:3803
Página de fin:3810
DOI: http://dx.doi.org/10.1029/1999WR900260
Título revista:Water Resources Research
Título revista abreviado:Water Resour. Res.
ISSN:00431397
CODEN:WRERA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00431397_v35_n12_p3803_Berri

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Citas:

---------- APA ----------
Berri, G.J. & Flamenco, E.A. (1999) . Seasonal volume forecast of the Diamante River, Argentina, based on El Nino observations and predictions. Water Resources Research, 35(12), 3803-3810.
http://dx.doi.org/10.1029/1999WR900260
---------- CHICAGO ----------
Berri, G.J., Flamenco, E.A. "Seasonal volume forecast of the Diamante River, Argentina, based on El Nino observations and predictions" . Water Resources Research 35, no. 12 (1999) : 3803-3810.
http://dx.doi.org/10.1029/1999WR900260
---------- MLA ----------
Berri, G.J., Flamenco, E.A. "Seasonal volume forecast of the Diamante River, Argentina, based on El Nino observations and predictions" . Water Resources Research, vol. 35, no. 12, 1999, pp. 3803-3810.
http://dx.doi.org/10.1029/1999WR900260
---------- VANCOUVER ----------
Berri, G.J., Flamenco, E.A. Seasonal volume forecast of the Diamante River, Argentina, based on El Nino observations and predictions. Water Resour. Res. 1999;35(12):3803-3810.
http://dx.doi.org/10.1029/1999WR900260