The signal of La Nina in wave transport

doi:10.1016/j.jag.2018.04.010

	The signal of La Nina in wave transport
	Shi, Y. F.1,2; Yang, Y. Z.1,2; Wu, K. J.3; Sun, B. N.1,2
刊名	INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION
	2018-08
卷号	70 页码:118-124
关键词	Wave transport La Nina Sea surface temperature anomaly
ISSN号	0303-2434
DOI	10.1016/j.jag.2018.04.010
英文摘要	La Nina phenomena have significant impact on extreme weather and marine disasters in China Large-scale water transport is one of the primary factors affecting the development of La Nina events; however, the contribution of swell transport from the Southern Ocean to the sea surface temperature anomaly (SSTA) in the eastern equatorial Pacific (EEP) has been ignored in previous studies. Through various statistical techniques, this study used seven sets of satellite altimeter and reanalysis data to reveal the relationship between swell transport and La Nina. Based on the characteristics of significant SSTA changes in the Nino 3 region (5 degrees S-5 degrees N, 90 degrees-150 degrees W) following an El Nino event, two cases of La Nina and non-La-Nina were defined. Wave transport in the first case presents an anomaly to the north of the 30 degrees S section, i.e., cold water carried by swell transport to the EEP increases prior to the onset of a La Nina event. However, the characteristics of swell transport in the non-La-Nina scenario are contrary to the first case. Wave transport anomalies in the two considered cases produce sufficient and necessary conditions for the development of La Nina and non-La-Nina events. In addition, the impact of swell transport from the westerlies on La Nina events is confirmed further based on heat flux calculations. Wave transport has considerable effect on SSTA variability in the EEP; therefore, it should not be neglected in future studies.
资助项目	National Key Research and Development Program of China[2016YFC1402002] ; National Key Research and Development Program of China[2016YFC1402004]
WOS研究方向	Remote Sensing
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000434005000012
内容类型	期刊论文
源URL	[http://ir.fio.com.cn/handle/2SI8HI0U/2836]
专题	自然资源部第一海洋研究所
作者单位	1.State Ocean Adm, Inst Oceanog 1, Qingdao 266061, Peoples R China; 2.Natl Lab Marine Sci & Technol, Qingdao 266237, Peoples R China; 3.Ocean Univ China, Qingdao 266237, Peoples R China
推荐引用方式 GB/T 7714	Shi, Y. F.,Yang, Y. Z.,Wu, K. J.,et al. The signal of La Nina in wave transport[J]. INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION,2018,70:118-124.
APA	Shi, Y. F.,Yang, Y. Z.,Wu, K. J.,&Sun, B. N..(2018).The signal of La Nina in wave transport.INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION,70,118-124.
MLA	Shi, Y. F.,et al."The signal of La Nina in wave transport".INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION 70(2018):118-124.