NDLI: Spatial and temporal variation characteristics of ocean waves in the South China Sea during the boreal winter

Content Provider	Springer Nature Link
Author	Zhu, Geli Lin, Wantao Zhao, Sen Cao, Yanhua
Copyright Year	2015
Abstract	The spatial and temporal variation characteristics of the waves in the South China Sea (SCS) in the boreal winter during the period of 1979/1980–2011/2012 have been investigated based on the European Centre for Medium-range Weather Forecasts interim (ERA-Interim) reanalysis dataset. The results show that the leading mode of significant wave height anomalies (SWHA) in the SCS exhibits significant interannual variation and a decadal shift around the mid-1990s, and features a basin-wide pattern in the entire SCS with a center located in the west of the Luzon Strait. The decadal change from a weak regime to a strong regime is mainly associated with the enhancement of winter monsoon modulated by the Pacific decadal oscillation (PDO). The interannual variation of the SWHA has a significant negative correlation with the El Niño Southern Oscillation (ENSO) in the same season and the preceding autumn. For a better understanding of the physical mechanism between the SCS ocean waves and ENSO, further investigation is made by analyzing atmospheric circulation. The impact of the ENSO on the SWHA over the SCS is bridged by the East Asian winter monsoon and Pacific-East Asian teleconnection in the lower troposphere. During the El Niño (La Niña), the anomalous Philippine Sea anticyclone (cyclone) dominates over the Western North Pacific, helps to weaken (enhance) East Asian winter monsoon and then emerges the negative (positive) SWHA in the SCS.
Starting Page	23
Ending Page	28
Page Count	6
File Format	PDF
ISSN	0253505X
Journal	Acta Oceanologica Sinica
Volume Number	34
Issue Number	1
e-ISSN	18691099
Language	English
Publisher	The Chinese Society of Oceanography
Publisher Date	2015-01-13
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	ocean waves interannual variability South China Sea ENSO PDO Oceanography Climatology Ecology Engineering Fluid Dynamics Marine & Freshwater Sciences Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Oceanography

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