Spatiotemporal features and possible mechanisms of seasonal changes in sea surface height south of Japan

doi:10.1007/s00343-014-3224-1

IOCAS-IR > 海洋环流与波动重点实验室

	Spatiotemporal features and possible mechanisms of seasonal changes in sea surface height south of Japan
	Ma Libin 1,2; Ma, LB (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China.
	2014-07-01
发表期刊	CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号	32 期号:4 页码:933-945
文章类型	Article
摘要	Variations of sea surface height (SSH) in the Kuroshio south of Japan are addressed by analyzing 19-year (1993-2011) altimetry data from AVISO. Regionally averaged time series of observed SSH had a rising linear trend at 2.64 +/- 0.72 mm/a in this period. By analyzing the power spectra, several periods were recognized in temporal SSH variations, including those around 90 and 360 days. The seasonal cycle of SSH was minimum in winter (February) and maximum in summer (August), with peak-to-peak amplitude about 20.0 cm. The spatial distribution of linear trends was inhomogeneous, with a rising linear trend along the coastline and a tripole structure offshore. Spatial distributions of standard deviation of seasonal SSH show very dynamic activities in the southeast of Kyushu and south of Honshu. Seasonal variations of observed SSH are partially explained by surface buoyancy forcing, local wind forcing and the steric component related to subsurface water beneath the mixed layer. Results show different spatial distributions of correlation coefficient and estimation skill between seasonally observed and modeled SSH, which are calculated from surface buoyancy flux, local wind forcing and the steric component related to subsurface water. Of those three, the surface buoyancy flux has a greater contribution to variations of observed SSH on the seasonal time scale south of Japan.
关键词	Spatiotemporal Variation Net Surface Heat Flux Wind Stress Subsurface Water
学科领域	Marine & Freshwater Biology ; Oceanography
DOI	10.1007/s00343-014-3224-1
收录类别	SCI
语种	英语
WOS记录号	WOS:000339046200020
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/23969
专题	海洋环流与波动重点实验室
通讯作者	Ma, LB (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China.
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China 2.Nanjing Univ Informat Sci & Technol, Ctr Earth Syst Model, Nanjing 210044, Jiangsu, Peoples R China
第一作者单位	海洋环流与波动重点实验室
推荐引用方式 GB/T 7714	Ma Libin,Ma, LB . Spatiotemporal features and possible mechanisms of seasonal changes in sea surface height south of Japan[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2014,32(4):933-945.
APA	Ma Libin,&Ma, LB .(2014).Spatiotemporal features and possible mechanisms of seasonal changes in sea surface height south of Japan.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,32(4),933-945.
MLA	Ma Libin,et al."Spatiotemporal features and possible mechanisms of seasonal changes in sea surface height south of Japan".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 32.4(2014):933-945.

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