@Article{KayanoCapi:2014:HoAtMu,
author = "Kayano, Mary Toshie and Capistrano, Vinicius Buscioli",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)}",
title = "How the Atlantic multidecadal oscillation (AMO) modifies the ENSO
influence on the South American rainfall",
journal = "International Journal of Climatology",
year = "2014",
volume = "34",
number = "1",
pages = "162--178",
keywords = "Atlantic multidecadal oscillation, ENSO, rainfall.",
abstract = "This article analyses the relations of the Atlantic multidecadal
oscillation (AMO) and the El Niño-Southern Oscillation (ENSO) and
their influence on the South American rainfall. The ENSO-related
precipitation anomalous composites over South America show more
(less) organized patterns with the significant anomalies occupying
extensive (reduced) areas when ENSO and AMO are in the opposite
(same) phase. The El Niño (La Niña) events in the cold (warm) AMO
phase are, in general, stronger than those in the warm (cold) AMO
phase. The strong El Niño (La Niña) events in the cold (warm) AMO
phase are due to the presence of a negative (positive)
inter-Pacific-Atlantic sea surface temperature (SST). The negative
(positive) SST anomalies in the equatorial Atlantic reinforce the
El Niño (La Niña) in the tropical Pacific through an anomalous
Atlantic Walker circulation. In consequence, the ENSO-related
precipitation anomalies over South America are more intense and
with less horizontal structure under the existence of this
connection between the climate variability of the tropical
Atlantic and Pacific Oceans. As far as the authors know, the
results presented here have not been discussed before and have
important implications for regional climate monitoring, as well as
for modelling studies. © 2013 Royal Meteorological Society.",
doi = "10.1002/joc.3674",
url = "http://dx.doi.org/10.1002/joc.3674",
issn = "0899-8418",
label = "scopus 2013-11",
language = "en",
urlaccessdate = "27 abr. 2024"
}