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Trends in the Brazil/Malvinas Confluence region
| Content Provider | Semantic Scholar |
|---|---|
| Author | Combes, Vincent Matano, Ricardo P. |
| Copyright Year | 2014 |
| Abstract | Observations show abrupt changes in the oceanic circulation of the southwestern Atlantic. These studies report a southward drift of the Brazil/Malvinas Confluence (BMC) and a change in the spectral characteristics of the Malvinas Current (MC) transport. We address the cause of these changes using the result of a high-resolution numerical experiment. The experiment, which is consistent with observations, shows a southward BMC displacement at a rate of 0.62°/decade between 1993 and 2008, and a shift of the spectral characteristics of the MC transport after 1999. We find that these changes are driven by a weakening of the northern branch of the Antarctic Circumpolar Current, which translates to a weakening of the MC transport and a southward BMC drift. The drift changes the spectral characteristics of the MC transport, which becomes more influenced by annual and semiannual variations associated with the BMC. |
| Starting Page | 8971 |
| Ending Page | 8977 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1002/2014GL062523 |
| Volume Number | 41 |
| Alternate Webpage(s) | https://ir.library.oregonstate.edu/downloads/x633f517h?locale=en |
| Alternate Webpage(s) | https://doi.org/10.1002/2014GL062523 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
