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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
Historic
Publication Date:
2013
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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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 http://www.ebooklibrary.org/


Description
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.

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

Excerpt
Coelho, C. A. S. and Ambrizzi, T.: Determining patterns of precipitation over South America in association with the SST of the equatorial Pacific basin during periods of extreme ENSO through the use of multivariate statistical techniques, in: CBMET, 11, 2000, Rio de Janeiro, Brazilian Congress of Meteorology, Sao Paulo, Brazilian Congress of Meteorology, 2000 Proceedings, 2000.; Galvani, E. and Luchiari, A.: Criteria for classification of years with normal rainfall, dry and wet, in: SBCG, 6, 2004, Aracaju/if Proceedings of the IFIP Geographical Climatology, Proceedings, p 10, 2004.; Gomes, J. B. V., Curi, N., Motta, P. E. F., Ker, J. C., Marques, J. J. G. S. M., and Schulze, D. G. : Análise de componentes principais de atributos físicos, químicos e mineralógicos de solos do bioma cerrado, Revista Brasileira de Ciência do Solo, 28, 137–153, 2004.; Kent, M. and Coker, P.: Vegetation description and analysis, Baffins Lane, John Wiley & Sons, 363 p., 1992.; Lyra, G. B., Garcia, B. I. L., Piedade, S. M. S., Sediyama, G. C., and Sentelhas, P. C.: Homogeneous regions and distribution functions probabilidadeda precipitation in Táchira State, Venezuela, Agricultural Research Barsileira [s I.] No, 205–215, February~2006.; Marder, K. V., Kent, J. T., and Bibby, J. M.: Multivariate analysis, London, Academic Press, 518 pp., 1995.; Melo, J. and Julius, C. F.: Determination of homogeneous regions in the distribution, Journal of Agricultural and Environmental Engineering, Campina Grande, Pb, 408–416, 16 November~2005.; National Oceanic and Atmospheric Administration: Data available at: http://www.noaa.gov, last access: 19 December~2009.; National Water Agency: Data available at: http://www.ana.gov.br, last access: 15 January~2010.; Sansigolo, C. A. and Nery, T. J.: Analysis of Common Factors and Grouping of rainfall in the southeast and southern Brazil, in: CBMET, 10, 1998, Brasilia, Annals of the Brazilian Congress of Meteorology, Proceedings, 1998, 1998.; Wilks, D. S.: Statistical Methods in the Atmospheric Sciences: an introduction, International Geophysics Series, Academic Press, 59, 464 p., 1995.

 

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