the rainfall temporal and spacial variability in the Rio Grande do Sul: Influence of El Niño Southern Oscillation

Authors

  • Fabiane Pereira Britto Instituto Ambiental Ratones - IAR
  • Rodrigo Barletta Universidade Federal de Santa Catarina
  • Magaly Mendonça Universidade Federal de Santa Catarina

DOI:

https://doi.org/10.5380/abclima.v3i0.25408

Keywords:

Rainfall, Variability, ENSO.

Abstract

This work aims to analyse the rainfall temporal and spacial variability in the RioGrande do Sul State. Monthly data from the period between 1967 and 1998were used, sampled at the 14 meteorological stations. The time-spacial rainfallbehavior were analised by the interannual and annual variability. Total meanvalues were calculated for each meteorological stations. Further, data analisysand interpretation were realized on the rainfall. The interannual variability results show that the years with negative and positive rainfall indexes wereassociated with the ENSO. Refers to the annual variability, it rains more in thenorthern half of the state with the values greaterthan 1500 mm than thesouthern half with less than 1500 mm. São Luiz Gonzaga, Cruz Alta, Caxias doSul and Bom Jesus show the greaterthan rainfall total values. Santa

Author Biographies

Fabiane Pereira Britto, Instituto Ambiental Ratones - IAR

Geógrafa, Mestre em Geografia, Instituto Ambiental Ratones (IAR), Rua dos Jasmins 167, Santa Mônica, Cep: 88037-145, Florianópolis, Santa Catarina

Rodrigo Barletta, Universidade Federal de Santa Catarina

Oceanólogo, Doutor em Engenharia Ambiental, Laboratório de Hidráulica Marinha (LAHIMAR), Caixa Postal 5039, Universidade Federal de Santa Catarina (UFSC), Campus Trindade, Cep: 88040-970, Florianópolis, Santa Catarina.

Magaly Mendonça, Universidade Federal de Santa Catarina

Geógrafa, Doutora em Geografia, Laboratório de Climatologia, Departamento de Geociências (CFH), Universidade Federal de Santa Catarina (UFSC), Campus Trindade, Caixa Postal 476,Cep: 88040-970, Florianópolis,Santa Catarina.

How to Cite

Pereira Britto, F., Barletta, R., & Mendonça, M. (2008). the rainfall temporal and spacial variability in the Rio Grande do Sul: Influence of El Niño Southern Oscillation. Revista Brasileira De Climatologia, 3. https://doi.org/10.5380/abclima.v3i0.25408

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Section

Artigos