Volume 5 Issue 3
Sep.  2012
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Bo QU, Albert J. GABRIC, Jing-nan ZHU, Dao-rong LIN, Feng QIAN, Min ZHAO. 2012: Correlation between sea surface temperature and wind speed in Greenland Sea and their relationships with NAO variability. Water Science and Engineering, 5(3): 304-315. doi: 10.3882/j.issn.1674-2370.2012.03.006
Citation: Bo QU, Albert J. GABRIC, Jing-nan ZHU, Dao-rong LIN, Feng QIAN, Min ZHAO. 2012: Correlation between sea surface temperature and wind speed in Greenland Sea and their relationships with NAO variability. Water Science and Engineering, 5(3): 304-315. doi: 10.3882/j.issn.1674-2370.2012.03.006

Correlation between sea surface temperature and wind speed in Greenland Sea and their relationships with NAO variability

doi: 10.3882/j.issn.1674-2370.2012.03.006
Funds:  This work was supported by the National Natural Science Foundation of China (Grant No. 41276097).
More Information
  • Corresponding author: Bo QU
  • Received Date: 2011-04-02
  • Rev Recd Date: 2012-09-03
  • The North Atlantic Oscillation (NAO) is one of the major causes of many recent changes in the Arctic Ocean. Generally, it is related to wind speed, sea surface temperature (SST), and sea ice cover. In this study, we analyzed the distributions of and correlations between SST, wind speed, NAO, and sea ice cover from 2003 to 2009 in the Greenland Sea at 10°W to 10°E, 65°N to 80°N. SST reached its peak in July, while wind speed reached its minimum in July. Seasonal variability of SST and wind speed was different for different regions. SST and wind speed mainly had negative correlations. Detailed correlation research was focused on the 75°N to 80°N band. Regression analysis shows that in this band, the variation of SST lagged three months behind that of wind speed. Ice cover and NAO had a positive correlation, and the correlation coefficient between ice cover and NAO in the year 2007 was 0.61. SST and NAO also had a positive correlation, and SST influenced NAO one month in advance. The correlation coefficients between SST and NAO reached 0.944 for the year 2005, 0.7 for the year 2008, and 0.74 for the year 2009 after shifting SST one month later. NAO also had a positive correlation with wind speed, and it also influenced wind speed one month in advance. The correlation coefficients between NAO and wind speed reached 0.783, 0.813, and 0.818 for the years 2004, 2005, and 2008, respectively, after shifting wind speed one month earlier.

     

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