Journal
ATMOSPHERIC SCIENCE LETTERS
Volume 14, Issue 2, Pages 102-106Publisher
WILEY
DOI: 10.1002/asl2.424
Keywords
tropical Atlantic; Atlantic Nino; Africa; warm water event; classification
Funding
- DFG (German Research Foundation) [JA 831/9-1]
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For the tropical Atlantic Ocean two phenomena showing anomalous sea surface temperature (SST) warming have been described: the Atlantic Nino in the equatorial Atlantic and the Benguela Nino off the Angolan coast. In this study, both Nino types are integrated into a new set of SST regions and the definition of a robust standardized index for the long-term period 1870-2011. Comparisons of these regions and indices show a close connection between anomalous warming and cooling in the equatorial Atlantic and the Benguela region. Therefore, instead of considering equatorial Atlantic and Benguela warm and cold events separately, we propose to classify them into three subtypes of one comprehensive Atlantic Nino. Copyright. (C) 2013 Royal Meteorological Society
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