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Abstract:

Solar forcing on climate has been reported in several studies although the evidence so far remains inconclusive. Here, we analyze the stream flow of one of the largest rivers in the world, the Paraná in southeastern South America. For the last century, we find a strong correlation with the sunspot number, in multidecadal time scales, and with larger solar activity corresponding to larger stream flow. The correlation coefficient is r=0.78, significant to a 99% level. In shorter time scales we find a strong correlation with El/Niño. These results are a step toward flood prediction, which might have great social and economic impacts. © 2008 The American Physical Society.

Registro:

Documento: Artículo
Título:Solar forcing of the stream flow of a continental scale South American river
Autor:Mauas, P.J.D.; Flamenco, E.; Buccino, A.P.
Filiación:Instituto de Astronomía y Física Del Espacio (CONICET-UBA), C.C. 67 Sucursal 28, 1428, Buenos Aires, Argentina
Instituto Nacional de Tecnología Agropecuaria, Rivadavia 1439, 1033, Buenos Aires, Argentina
Palabras clave:Correlation methods; Flow of water; Rivers; Solar energy; Continental scales; Correlation coefficients; Economic impacts; Flood predictions; Multidecadal time scales; Shorter time scales; Solar activities; Solar forcing; Southeastern South America; Strong correlations; Stream flow
Año:2008
Volumen:101
Número:16
DOI: http://dx.doi.org/10.1103/PhysRevLett.101.168501
Título revista:Physical Review Letters
Título revista abreviado:Phys Rev Lett
ISSN:00319007
CODEN:PRLTA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00319007_v101_n16_p_Mauas

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Citas:

---------- APA ----------
Mauas, P.J.D., Flamenco, E. & Buccino, A.P. (2008) . Solar forcing of the stream flow of a continental scale South American river. Physical Review Letters, 101(16).
http://dx.doi.org/10.1103/PhysRevLett.101.168501
---------- CHICAGO ----------
Mauas, P.J.D., Flamenco, E., Buccino, A.P. "Solar forcing of the stream flow of a continental scale South American river" . Physical Review Letters 101, no. 16 (2008).
http://dx.doi.org/10.1103/PhysRevLett.101.168501
---------- MLA ----------
Mauas, P.J.D., Flamenco, E., Buccino, A.P. "Solar forcing of the stream flow of a continental scale South American river" . Physical Review Letters, vol. 101, no. 16, 2008.
http://dx.doi.org/10.1103/PhysRevLett.101.168501
---------- VANCOUVER ----------
Mauas, P.J.D., Flamenco, E., Buccino, A.P. Solar forcing of the stream flow of a continental scale South American river. Phys Rev Lett. 2008;101(16).
http://dx.doi.org/10.1103/PhysRevLett.101.168501