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Influence of Different Rates of Rainfall in the Basin of the Uruguay River : Volume 33, Issue 33 (02/04/2013)

By Bohrer, M.

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Book Id: WPLBN0003972482
Format Type: PDF Article :
File Size: Pages 5
Reproduction Date: 2015

Title: Influence of Different Rates of Rainfall in the Basin of the Uruguay River : Volume 33, Issue 33 (02/04/2013)  
Author: Bohrer, M.
Volume: Vol. 33, Issue 33
Language: English
Subject: Science, Advances, Geosciences
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Saldanha, C. B., Zaparoli, B., & Bohrer, M. (2013). Influence of Different Rates of Rainfall in the Basin of the Uruguay River : Volume 33, Issue 33 (02/04/2013). Retrieved from

Description: Universidade Federal do Rio Grande do Sul, Porto Alegre, Brasil. In the state of Rio Grande do Sul, the rainfall pattern is fairly regular and precipitation is well distributed throughout the year. The aim of this study was to evaluate the spatial and temporal distribution of precipitation in the Uruguay River basin from the determination of homogeneous regions based on the rainfall pattern. Values of 47 meteorological stations of the ANA (National Water Agency) from 1975 to 2005 were used, and values of Pacific sea surface temperature were collected from the National Oceanic and Atmospheric Administration, which is based on observed anomalies for different regions' niños (1 + niño 2, 3 niño, niño 4, niño 3 + 4). From the analysis of the results it was found that the study region showed five homogeneous regions. Knowing the time series of each region, it was possible to verify the regional variability in precipitation, indicating which regions have values above and below the climatological normal, and how the different indexes influence the rainfall pattern in the region.

Influence of different rates of rainfall in the basin of the Uruguay River

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