Hydrographic and biological changes in the Taiwan Strait during the 1997-1998 El Nino winter
- 海洋环境－已发表论文 
During the 1997 - 1998 El Nino event, the average sea surface temperature (SST) in the Taiwan Strait (TWS) in the winter was similar to 1.4 degrees C higher than that of the winter climatological mean. The areal ratio of the warm water ( >= 2 degrees C above the regional mean) to the cold water ( >= 2 degrees C below the regional mean) in the TWS increased by 25% while the area of the eutrophic water ( chlorophyll a > 1 mg m(-3)) was halved. Field observations also indicate that the mixed layer in the TWS became more nutrient-poor during this winter. These observations are consistent with a diminished advection of the cold and eutrophic Zhe-Min Coastal Water, and, concomitantly, an expansive intrusion of the warm and oligotrophic South China Sea Warm Current/ Kuroshio Branch Water to the TWS as the northeast monsoon was weakened. Thus, El Nino events potentially can have significant ecological impacts on the TWS.