Atmosphere-Land Bridge between the Pacific and Tropical North Atlantic SST's through the Amazon River basin during the 2005 and 2010 droughts
| Autor: | Alejandro Builes-Jaramillo, Germán Poveda, Antonio M. T. Ramos |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
010504 meteorology & atmospheric sciences
Land bridge Applied Mathematics 0208 environmental biotechnology General Physics and Astronomy Statistical and Nonlinear Physics 02 engineering and technology 01 natural sciences Pacific ocean 020801 environmental engineering Atmosphere Sea surface temperature Hydrology (agriculture) Climatology Causal information Amazon river basin Mathematical Physics Geology 0105 earth and related environmental sciences |
| Zdroj: | Chaos (Woodbury, N.Y.). 28(8) |
| ISSN: | 1089-7682 |
| Popis: | The present work uses a new approach to causal inference between complex systems called the Recurrence Measure of Conditional Dependence (RMCD) based on the recurrence plots theory, in order to study the role of the Amazon River basin (AM) as a land-atmosphere bridge between the Nino 3.0 region in the Pacific Ocean and the Tropical North Atlantic. Two anomalous droughts in the Amazon River basin were selected, one mainly attributed to the warming of the Tropical North Atlantic (2005) and the other to a warm phase of El Nino-Southern Oscillation (2010). The results of the RMCD analysis evidence the distinctive behavior in the causal information transferred between the two oceanic regions during the two extreme droughts, suggesting that the land-atmosphere bridge operating over the AM is an active hydroclimate mechanism at interannual timescales, and that the RMCD analysis may be an ancillary resort to complement early warning systems. |
| Databáze: | OpenAIRE |
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