| GAO Rongzhen,SUN Donghuai,WANG Dongxiao,YANG Xiaoyi. 2005. Cloudiness regime shift during 1946-1992 recorded by coral in the South China Sea. Acta Oceanologica Sinica, (5):27－34 |
| Cloudiness regime shift during 1946-1992 recorded by coral in the South China Sea |
| Cloudiness regime shift during 1946-1992 recorded by coral in the South China Sea |
| Received:April 26, 2005 Revised:July 21, 2005 |
| DOI： |
| Key words:coral gray value cloudiness regime shift South China Sea |
| 中文关键词: coral gray value cloudiness regime shift South China Sea |
| 基金项目: |
| Author Name | Affiliation | E-mail | | GAO Rongzhen | Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
Qingdao Meteorological Administration, Qingdao 266003, China | | | SUN Donghuai | Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology & Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510301, China | | | WANG Dongxiao | Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | dxwang@scsio.ac.cn | | YANG Xiaoyi | Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China | |
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| Abstract: |
| By extracting and comparing long-term trend components of coral gray value, sea surface temperature, cloudiness, and net heat flux for the period of 1946~1992, the relationships among them are addressed.There exists a prominent regime shift in the cloudiness associated with the corresponding variabilities of sea surface temperature and net heat flux occurred in the mid-1960s, which can be successfully recorded by coral gray value, a climatic proxy.Long-term cloudiness variations in the South China Sea are completely opposite to the equatorial western Pacific in the past five decades, whereas they share a similar trend to that over Asian monsoon prevailing waters.The fact that the coral gray value is highly correlated to cloudiness provides a unique perspective on utilizing this coral to study cloudiness variations in the pre-instrumental period. |
| 中文摘要: |
| By extracting and comparing long-term trend components of coral gray value, sea surface temperature, cloudiness, and net heat flux for the period of 1946~1992, the relationships among them are addressed.There exists a prominent regime shift in the cloudiness associated with the corresponding variabilities of sea surface temperature and net heat flux occurred in the mid-1960s, which can be successfully recorded by coral gray value, a climatic proxy.Long-term cloudiness variations in the South China Sea are completely opposite to the equatorial western Pacific in the past five decades, whereas they share a similar trend to that over Asian monsoon prevailing waters.The fact that the coral gray value is highly correlated to cloudiness provides a unique perspective on utilizing this coral to study cloudiness variations in the pre-instrumental period. |
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