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Abstract:

A few aspects of spatial variability, connected with climate variability, in the Rio de la Plata basin are analysed through changes in the basin runoff considered as indicative of the annual integrated precipitation. Those changes contain better information on climate variability than the sparse records of precipitation and temperature in view of the high spatial and temporal variability of those parameters. The precipitation data are applied in the most active zones of the basin, however, in order to assess aspects of hydrological variability that the lack of data causes in the studied region. The hydrological series employed correspond to average monthly and yearly flows at stations selected along the main rivers, both due to stability in their gauging stations and to the availability and quality of data for the 1931–1992 period. This period includes the longest series of simultaneous observations for the stations selected. Similar approaches were applied to the series of precipitation. Through basic statistical analysis, and from the annual evolution of flows and precipitation, the study of the relationship between rainfalls in the area and flows at separate hydrological stations (taking also the annual cycle of precipitation and flows into account), nine hydrological areas were detected. From those areas, well separated from each other, the spatial variability for the Rio de la Plata basin was characterized. © 1996 Taylor & Francis Group, LLC.

Registro:

Documento: Artículo
Título:The spatial variability of runoff and precipitation in the rio de la plata basin
Autor:Garcia, N.O.; Vargas, W.M.
Filiación:Facultad de Ingeniería y Ciencias Hídricas, Universidad Nacional del Litoral, CC 495, Santa Fe, 3000, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Departamento de Ciencias de la Atmósfera (CONICET), Ciudad Universitaria Pabellón 2, Buenos Aires, 1428, Argentina
Palabras clave:Atmospheric temperature; Climate change; Precipitation (meteorology); Rivers; Runoff; Statistical methods; Climate variability; Rio de la Plata basin, Argentina; Spatial variability; Hydrology; precipitation; rainfall/runoff model; runoff; Argentina, Rio de la Plata Basin
Año:1996
Volumen:41
Número:3
Página de inicio:279
Página de fin:299
DOI: http://dx.doi.org/10.1080/02626669609491503
Título revista:Hydrological Sciences Journal
Título revista abreviado:Hydrol. Sci. J.
ISSN:02626667
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02626667_v41_n3_p279_Garcia

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Citas:

---------- APA ----------
Garcia, N.O. & Vargas, W.M. (1996) . The spatial variability of runoff and precipitation in the rio de la plata basin . Hydrological Sciences Journal, 41(3), 279-299.
http://dx.doi.org/10.1080/02626669609491503
---------- CHICAGO ----------
Garcia, N.O., Vargas, W.M. "The spatial variability of runoff and precipitation in the rio de la plata basin " . Hydrological Sciences Journal 41, no. 3 (1996) : 279-299.
http://dx.doi.org/10.1080/02626669609491503
---------- MLA ----------
Garcia, N.O., Vargas, W.M. "The spatial variability of runoff and precipitation in the rio de la plata basin " . Hydrological Sciences Journal, vol. 41, no. 3, 1996, pp. 279-299.
http://dx.doi.org/10.1080/02626669609491503
---------- VANCOUVER ----------
Garcia, N.O., Vargas, W.M. The spatial variability of runoff and precipitation in the rio de la plata basin . Hydrol. Sci. J. 1996;41(3):279-299.
http://dx.doi.org/10.1080/02626669609491503