Dissolved oxygen characteristics of spring algal bloom in Xiangxi Bay of Three Gorges Reservoir

被引：0
|
作者：
Luo, Huajun [1 ,2 ]
Liu, Defu [3 ,4 ]
Ji, Daobin [1 ]
Huang, Yingping [2 ,4 ]
机构：
[1] Wuhan Univ, Coll Water Resources & Hydropower Engn, Wuhan 430072, Peoples R China
[2] Three Gorges Univ, Coll Chem & Life Sci, Yichang 443002, Peoples R China
[3] Three Gorges Univ, Coll Hydroelect & Civil Engn, Yichang 443002, Peoples R China
[4] Three Gorges Univ, Minist Educ, Engn Res Ctr Ecoenvironm Three Gorges Reservoir R, Yichang 443002, Peoples R China
来源：
2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010) | 2010年
基金：
中国国家自然科学基金;
关键词：
dissolved oxygen; characteristics; algal bloom; Xiangxi Bay;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Dissolved oxygen characteristics of spring algal bloom in Xiangxi Bay of Three Gorges Reservoir were studied. In surveys, 12 stations have been investigated and 132 samples were collected weekly from February 24 to May 10 in 2008. Chlorophyll a, pH and water temperature could be the significant influence factors to dissolved oxygen in spring algal bloom by using stepwise multiple binomial regression and correlation analysis method. Mean value of dissolved oxygen in Xiangxi Bay during spring algal bloom was 8.555 +/- 2.414 mg/L with a minimum and maximum concentration of 4.719 and 19.543 mg/L respectively and dissolved oxygen increased to the peak level as a result of algal bloom occurred in Xiangxi Bay and oxygen released during phytoplankton photosynthesis. Dissolved oxygen decreased from the surface to the bottom in the water column. The spatial change of dissolved oxygen in the bottom was not significant and difference of dissolved oxygen between the surface and the bottom in Xiangxi Bay was more significant than Yangtze River.
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页数：4
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