Cite this paper:
JIANG Bo, WEI Yongliang, DING Jie, ZHANG Rong, LIU Yuxin, WANG Xiaoyong, FANG Yizhou. Trends of sea surface wind energy over the South China Sea[J]. HaiyangYuHuZhao, 2019, 37(5): 1510-1522

Trends of sea surface wind energy over the South China Sea

JIANG Bo1, WEI Yongliang2,3, DING Jie1, ZHANG Rong1, LIU Yuxin1, WANG Xiaoyong1, FANG Yizhou1
1 National Ocean Technology Center, Tianjin 300112, China;
2 College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China;
3 Shanghai Engineering Research Center on Estuarine and Oceanographic Mapping, Shanghai 201306, China
Studies on climate change typically consider temperature and precipitation over extended periods but less so the wind. We used the Cross-Calibrated Multi-Platform (CCMP) 24-year wind field data set to investigate the trends of wind energy over the South China Sea during 1988-2011. The results reveal a clear trend of increase in wind power density for each of three base statistics (i.e., mean, 90th percentile and 99th percentile) in all seasons and for annual means. The trends of wind power density showed obvious temporal and spatial variations. The magnitude of the trends was greatest in winter, intermediate in spring, and smallest in summer and autumn. A greater trend of increase was found in the northern areas of the South China Sea than in southern parts. The magnitude of the annual and seasonal trends over the South China Sea was larger in extreme high events (i.e., 90th and 99th percentiles) compared to the mean conditions. Sea surface temperature showed a negative correlation with the variability of wind power density over the majority of the South China Sea in all seasons and annual means, except for winter (41.7%).
Key words:    wind energy|Cross-Calibrated Multi-Platform (CCMP) wind field|South China Sea|temporal and spatial variation   
Received: 2018-10-29   Revised: 2019-01-07
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