A double-halocline structure in the Canada Basin of the Arctic Ocean

A year-round halocline is a particular hydrographic structure in the upper Arctic Ocean. On the basis of an analysis of the hydrographic data collected in the Arctic Ocean, it is found that a double-halocline structure exists in the upper layer of the southern Canada Basin,which is absolutely different from the Cold Halocline Layer (CHL) in the Eurasian Basin. The Pacific-origin water is the primary factor in the formation of the double-halocline structure. The upper halocline lies between the summer modification and the winter modification of the Pacific-origin water while the lower halocline results from the Pacific-origin water overlying upon the Atlantic-origin water. Both haloclines are all the year-round although seasonal and interannual variations have been detected in the historical data.

作 者： SHI Jiuxin ZHAO Jinping LI Shujiang CAO Yong QU Ping   作者單位： SHI Jiuxin(First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China)

ZHAO Jinping,LI Shujiang,CAO Yong(College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China)

QU Ping(Shanghai Oceanic Environment Forecast Center, State Oceanic Administration, Shanghai 200137, China) 

刊 名： 海洋學報(英文版)  SCI 英文刊名： ACTA OCEANOLOGICA SINICA  年，卷(期)： 2005 24(6)  分類號： P7  關鍵詞： halocline   salinity   Pacific-origin water   Canada Basin   Arctic Ocean  

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