Trends of sea surface wind energy over the South China Sea -- Journal of Oceanology and Limnology,2019,37(5):1510-1522

	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]. Journal of Oceanology and Limnology, 2019, 37(5): 1510-1522

Trends of sea surface wind energy over the South China Sea

JIANG Bo¹, WEI Yongliang^2,3, 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

Abstract:

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, 90^th percentile and 99^th 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., 90^th and 99^th 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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Articles by JIANG Bo

Articles by WEI Yongliang

Articles by DING Jie

Articles by ZHANG Rong

Articles by LIU Yuxin

Articles by WANG Xiaoyong

Articles by FANG Yizhou

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