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| Setiawan, Riza Yuliratno; Mohtadi, Mahyar; Southon, John; Groeneveld, Jeroen; Steinke, Stephan; Hebbeln, Dierk. |
| The advection of relatively fresh Java Sea water through the Sunda Strait is presently responsible for the low-salinity tongue in the eastern tropical Indian Ocean with salinities as low as 32. The evolution of the hydrologic conditions in the eastern tropical Indian Ocean since the last glacial period, when the Sunda shelf was exposed and any advection via the Sunda Strait was cutoff, and the degree to which these conditions were affected by the Sunda Strait opening are not known. Here we have analyzed two sediment cores (GeoB 10042-1 and GeoB 10043-3) collected from the eastern tropical Indian Ocean off the Sunda Strait that cover the past similar to 40,000years. We investigate the magnitude of terrigenous supply, sea surface temperature (SST), and... |
| Tipo: Text |
Palavras-chave: Indian Ocean; Sunda Strait; Seawater oxygen isotopes; Java Sea; Sea surface temperatures; Terrigenous supply. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00496/60729/65238.pdf |
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| Setiawan, Riza Yuliratno. |
| The eastern tropical Indian Ocean (ETIO) off southern Indonesia is a very important region for the global thermohaline circulation as it hosts the exit pathway of the Indonesian Throughflow (ITF). From this region cool and fresh ITF waters are advected by the South Equatorial Current (SEC) to the Indian Ocean. Consequently, the ITF water freshens the Indian Ocean. Nevertheless, the hydrology condition was different during the Last Glacial Maximum (LGM). During this period the sea level was low and the Sunda Shelf was an exposed land. Marine records and simulation study suggest that the exposure of the Sunda Shelf caused a significant reduction in convection over the Indonesian region, resulting arid condition and saltier sea surface condition off south... |
| Tipo: Text |
Palavras-chave: Eastern tropical Indian Ocean; Sunda Strait; Mg/Ca ratio; Sunda shelf. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00495/60662/64159.pdf |
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