Advances in Earth Science ›› 2009, Vol. 24 ›› Issue (6): 629-635. doi: 10.11867/j.issn.1001-8166.2009.06.0629

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Densely Underway Measurement of Surface Temperature and Salinity in Xiamen-Quanzhou Near-shore Area

Chen Xiaohong 1,Hu Jianyu 1,2*,Pi Qingling 1,Liu Guangping 1,Chen Zhaozhang 2   

  1. 1.Department of Oceanography, Xiamen University, Xiamen  361005, China;
    2.State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen  361005, China
  • Received:2008-11-21 Revised:2009-05-12 Online:2009-06-10 Published:2009-06-10

Chen Xiaohong,Hu Jianyu,Pi Qingling,Liu Guangping,Chen Zhaozhang. Densely Underway Measurement of Surface Temperature and Salinity in Xiamen-Quanzhou Near-shore Area[J]. Advances in Earth Science, 2009, 24(6): 629-635.

The distributions of surface temperature and salinity have been analyzed according to the sea surface temperature and salinity underway measurements along 31 transects in Xiamen-Quanzhou near-shore area in late July of 2007, combined with the remote sensing sea surface temperature data and tide data. The variational characteristics of temperature and salinity were analyzed through spectral analysis of unevenly sample data. The results show that: ①The influence area of the diluted water from the Jiulongjiang river can extend to nearshore area of Weitou and Shenhu. There exist strong temperature and salinity fronts. But the influence of the diluted water from the Jinjiang river is weak. ②In the research area, tide has some effects on the distribution and variation of sea surface temperature and salinity, especially near Xiamen bay and in near-shore area of Weitou and Shenhu. The spectral analysis result also shows that the variation of salinity coincides with that of tide. ③During the investigational period, sea surface temperature had an increasing trend accompanied with diurnal variation. ④There exists a low temperature and high salinity water near Weitou, and its location changes with tide.

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