An effect of ENSO on summer surface salinity in the Yellow and East China Seas
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- An effect of ENSO on summer surface salinity in the Yellow and East China Seas
- Park, Taewook; Jang, Chan Joo; Kwon, Minho; Na, Hanna; Kim, Kwang-Yul
- KIOST Author(s)
- Jang, Chan Joo(장찬주); Kwon, Min Ho(권민호)
- The Yellow and East China Seas (YECS) has been known to exhibit interannual variability in both physical and biological aspects, in relation with El Nino-Southern Oscillation (ENSO). This paper investigates the interannual variability of summer sea surface salinity (SSS) in the YECS and its linkage with ENSO, using a global ocean general circulation model (OGCM) with a regional focus on the YECS. The OGCM experiment reveals that the dominant interannual variability of the SSS in the YECS is attributed to a variability of the Changjiang river discharge (CRD). The variability of the CRD is linked to ENSO-related precipitation over the Changjiang river; when El Nino events occur in winter, precipitation over the Changjiang river increases in the rainy season of the following years. The increased precipitation in El Nino years results from enhanced southwesterly moisture flux from the South China Sea into southern China. Our finding suggests that ENSO-related precipitation in southern China contributes to the dominant interannual variability of the summer SSS in the YECS by modulating CRD. (C) 2014 Elsevier B.V. All rights reserved.
- JOURNAL OF MARINE SYSTEMS, v.141, pp.122 - 127, 2015
- EL-NINO; CHLOROPHYLL-A; INDIAN-OCEAN; PACIFIC; RAINFALL; CIRCULATION; CLIMATE; MODEL; EOFS; SST
- Interannual sea salinity variability; Changjiang river discharge; El Nino-Southern Oscillation; Yellow and East China Seas
- Article; Proceedings Paper
- Related Researcher
climate dynamics,climate prediction,기후역학,기후예측
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