Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data

Wang Fan; Lin Pengfei; Chen Yongli; Tang Xiaohui

doi:10.1007/BF02842557

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Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data

OriginalPaper | Updated：2023-05-16

- Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data
- Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data
- 海洋湖沼学报（英文） 2004年22卷第3期页码：256-264
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. The Graduate School of the Chinese Academy of Sciences
- Author bio：
- Funds：
  
  Contribution No.4606 from the Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.;Supported by the National Basic Research Program of China (No.G1999043803).
- DOI：10.1007/BF02842557
  中图分类号：
- 纸质出版：2004
- Accepted：
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Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data[J]. 海洋湖沼学报（英文）, 2004,22(3):256-264.

Fan, W., Pengfei, L., Yongli, C. et al. Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data., Chin. J. Ocean. Limnol. 22, 256–264 (2004). https://doi.org/10.1007/BF02842557
Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data[J]. 海洋湖沼学报（英文）, 2004,22(3):256-264. DOI： 10.1007/BF02842557.

Fan, W., Pengfei, L., Yongli, C. et al. Seasonal cycle of topography in the Bohai Sea and Yellow Sea and its relationships with atmospheric forcing and oceanic adjustment based on altimetry data., Chin. J. Ocean. Limnol. 22, 256–264 (2004). https://doi.org/10.1007/BF02842557 DOI：

摘要

Abstract

Seasonal cycle is the most significant signals of topography and circulation in the Bohai Sea (BS) and Yellow Sea (YS) forced by prevailing monsoon and is still poorly understood due to lack of data in their interiors. In the present study

seasonal cycles of topography in the BS and YS and its relationship with atmospheric forcing and oceanic adjustment were examined and discussed using TOPEX/Poseidon and ERS-1/2 Sea Level Anomalies (SLA) data. Analyses revealed complicated seasonal cycles of topography composed mainly of 2 REOF modes

the winter-summer mode (WIM) and spring-autumn mode (SAM). The WIM with action center in the BS displayed peak and southward pressure gradient in July

and valley and northward pressure gradient in January

which is obviously the direct response to monsoon with about 1-month response time. The SAM with action center in the western south YS displayed peak and northward pressure gradient in October and valley and southward pressure gradient in April. After the mature period of monsoon

the action center in the BS became weakened while that in the western south YS became strengthened because of regional convergence or divergence induced by seasonal variations of the Taiwan Warm Current and Yellow Sea Coastal Current. The direct response of topography to monsoon resulted in the WIM

while oceanic adjustment of topography played an important role in the forming of the SAM

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references

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