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Vertical distribution and seasonal variation of dissolved inorganic carbon in Dalajia water in the Daya Bay
Huang Dao-jian, Yu Xi-jun, Guo Zhen-ren, Qi Shi-bin
South China Institute of Environmental Sciences, MEP, Guangzhou 510655, China
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Abstract  

We examined the vertical distribution and seasonal variation of dissolved inorganic carbon(DIC),and analyzed the correlation between DIC and other environmental factors in Dalajia water in the Daya Bay,after collecting the data in four different seasons from December 2007 to September 2008.The results showed that variation of vertical DIC distribution was low in spring,autumn,and winter,but it was high in summer.DIC varied from 16.79 to 26.52 mg·L-1 in July 2008.The peak values of DIC were mainly found in middle and bottom water,especially in bottom water(13-16 m).The DIC showed a trend of being higher in spring and summer,but lower in autumn and winter.A negative correlation was found between DIC and pH and temperature.However,the DIC was positively correlated to salinity.

Key wordsthe Daya Bay      Dalajia water      DIC      vertical distribution      seasonal variation     
Received: 25 December 2010     
:  P67  
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Huang Dao-jian
Yu Xi-jun
Guo Zhen-ren
Qi Shi-bin
Cite this article:   
Huang Dao-jian,Yu Xi-jun,Guo Zhen-ren, et al. Vertical distribution and seasonal variation of dissolved inorganic carbon in Dalajia water in the Daya Bay[J]. , 2010, 29(6): 532-537.
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http://www.ecolsci.com/EN/     OR     http://www.ecolsci.com/EN/Y2010/V29/I6/532
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