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| Durand, F; Alory, Gael; Dussin, Raphael; Reul, Nicolas. |
| The tropical Indian Ocean experiences an interannual mode of climatic variability, known as the Indian Ocean Dipole (IOD). The signature of this variability in ocean salinity is hypothesized based on modeling and assimilation studies, on account of scanty observations. Soil Moisture and Ocean Salinity (SMOS) satellite has been designed to take up the challenge of sea surface salinity remote sensing. We show that SMOS data can be used to infer the pattern of salinity variability linked with the IOD events. The core of maximum variability is located in the central tropical basin, south of the equator. This region is anomalously salty during the 2010 negative IOD event, and anomalously fresh during the 2011 positive IOD event. The peak-to-peak anomaly exceeds... |
| Tipo: Text |
Palavras-chave: SSS; Indian Ocean Dipole; SMOS; ARGO; ENSO. |
| Ano: 2013 |
URL: http://archimer.ifremer.fr/doc/00161/27234/25481.pdf |
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| Maes, Christophe; Dewitte, Boris; Sudre, Joel; Garcon, Veronique; Varillon, David. |
| The small-scale features in sea surface temperature and salinity fields (SST and SSS) of the Coral Sea are examined using high horizontal spatial and short-term temporal in situ measurements. These features are extracted from thermosalinographs (TSGs) gathered onboard commercial and research vessels and at one long-term fixed station. The analyses are performed along the vessel tracks and the structures of small-scale features are extracted by high-pass spatial filtering the original TSG data. For SSS, it is shown that the features at the scale of mesoscale eddies (approximate to 100 km) vary from about -1.1 to +0.6 psu in the Coral Sea region. Processes sustaining such range include rainfall events, stirring by mesoscale eddies, and the latitudinal... |
| Tipo: Text |
Palavras-chave: In situ observations; SST; SSS; Coral Sea. |
| Ano: 2013 |
URL: https://archimer.ifremer.fr/doc/00218/32960/31618.pdf |
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