@Article{TedeschiCavaGrim:2013:InTwTy,
               author = "Tedeschi, Renata Gon{\c{c}}alves and Cavalcanti, Iracema Fonseca 
                         de Albuquerque and Grimm, Alice M.",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and Department of Physics, 
                         Federal University of Parana, Curitiba, PR, Brazil",
                title = "Influences of two types of ENSO on South American precipitation",
              journal = "International Journal of Climatology",
                 year = "2013",
               volume = "33",
               number = "6",
                pages = "1382--1400",
                month = "May",
             keywords = "El Nino, La Nina, ENSO Modoki, precipitation anomalies, South 
                         America.",
             abstract = "Sea surface temperature (SST) anomalies in the Pacific Ocean 
                         during El Nino-Southern Oscillation (ENSO) episodes exhibit 
                         different spatial patterns from year to year. In most ENSO 
                         studies, SST anomalies have been analysed in the 3.4 or 3.0 El 
                         Nino regions. Recent analyses have considered different SST 
                         anomalies areas in the Pacific, such as ENSO Modoki, which takes 
                         into account anomalies in the central Pacific which are bounded by 
                         opposite anomalies in the eastern and western Pacific. In order to 
                         analyse the influence of different Pacific spatial patterns on 
                         South American precipitation and on the Southern Hemisphere 
                         atmospheric circulation, composites obtained from Canonical ENSO 
                         were compared with those from ENSO Modoki in cases when strong 
                         anomalies were present in the Central Pacific. During the 
                         Canonical El Nino (La Nina), there tends to be a precipitation 
                         increase (decrease) in the La Plata Basin (LPB, 45 °W65 °W, 15 
                         °S35 °S) and a decrease (increase) over northern South America 
                         during all seasons. In ENSO Modoki exhibiting strong anomalies in 
                         the Central Pacific, these typical patterns are not observed, and 
                         in some regions the anomalies even show opposite signs. 
                         Precipitation anomaly differences or similarities over South 
                         America between the two cases occur in different areas and 
                         different seasons. In both cases, differences in tropical South 
                         American precipitation during both ENSO types are related to 
                         differences in the Walker circulation. In extra-tropical South 
                         America, the precipitation differences are due to differences in 
                         the Pacific wavetrains and differences in moisture flux intensity 
                         over the continent. Copyright . 2012 Royal Meteorological 
                         Society.",
                  doi = "10.1002/joc.3519",
                  url = "http://dx.doi.org/10.1002/joc.3519",
                 issn = "0899-8418",
             language = "en",
           targetfile = "Tedeschi_Influences.pdf",
        urlaccessdate = "04 maio 2024"
}