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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41503

Title: Anomalous biogeochemical conditions in the northern South China Sea during the El-Niño events between 1997 and 2003
Authors: C.-M. Tseng;G.-C. Gong;L.-W. Wang;K.-K. Liu, Y. Yang
Contributors: 國立臺灣海洋大學:海洋環境化學與生態研究所
Date: 2009-07
Issue Date: 2017-02-23T02:16:43Z
Publisher: Geophysical Research Letters
Abstract: Abstract:[1] Anomalous biogeochemical conditions were observed at the SouthEast Asian Time-series Study (SEATS) station in the northern South China Sea (SCS) during the 1997–98 and 2002–03 El Niño events. The time-series records showed decreases of monthly mean sea surface chlorophyll-a (S-chl) (and integrated primary production, IPP) by 42% (and 42%) and 13% (and 10%), respectively, below the climatological mean in the winter months (DJF) of the two events. The negative anomalies in S-chl and IPP corresponded to elevated sea surface temperature by 1.2°C and 0.4°C, respectively, above the climatological mean, while the mean wind speed was reduced by about 20% and 11%, respectively. Statistical analysis demonstrated the reduction in S-chl and IPP during El Niño events was caused by the diminished vertical mixing and strengthened stratification. Regional anomalies in hydrographic and biological conditions in the northern SCS (15–21°N and 112–119°E) were consistent with those found at the SEATS site.
Relation: 36(14), pp.1-5
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41503
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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