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Spatial characters of nutrients in Wujiangdu Reservoir in karst river, SW China
Jun Zhu;  Siliang Li;  Yuchun Wang;  Haiyu Yan;  Limin Liao;  Jun Zhong
2017
Source PublicationActa Geochimica
Volume36Issue:4Pages:605-610
Abstract

A preliminary assessment of the Wujiangdu Reservoir examined nutrient distribution and transport. Water samples were collected in the summer (July) of 2004,during the high-flow season. Inorganic nutrients (N, P,Si) and chlorophyll a (chl a) concentrations of the Wujiangdu Reservoir and its inflow rivers were analyzed. Other water parameters (dissolved oxygen,pH,temperature, and electrical conductivity) were measured as well. The results show gradually decreasing concentrations of NO_3~--N and dissolved silicate in the surface water moving downstream to the dam of the Wujiangdu Reservoir. Additionally, soluble reactive phosphorus concentrations measured very low, with most falling below the sensitivity threshold of the method used in surface waters. Particulate phosphorus and NO_3~--N were the predominant species of phosphorus and nitrogen in the reservoir,respectively. The concentration of nutrients in the Yeji River was the largest of all inflow rivers. The maximum concentration of chl a was found near the dam. These results reflect upstream conditions similar to that of a river,and reservoir conditions near the dam similar to that of a natural lake system.

关键词

KeywordWujiangdu Reservoir Nutrients Distribution Characteristics Dam
Indexed ByEI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/7712
Collection环境地球化学国家重点实验室
Affiliation1.College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang, 641112
2.Institute of Geochemistry, Chinese Academy of Sciences, State Key Laboratory of Environmental Geochemistry, Guiyang, Guizhou 550081, China
3.China Institute of Water Resources and Hydroelectric Power Research, Beijing 100038, China
Corresponding Author Affilication中国科学院地球化学研究所
Recommended Citation
GB/T 7714
Jun Zhu;Siliang Li;Yuchun Wang;Haiyu Yan;Limin Liao;Jun Zhong. Spatial characters of nutrients in Wujiangdu Reservoir in karst river, SW China[J]. Acta Geochimica,2017,36(4):605-610.
APA Jun Zhu;Siliang Li;Yuchun Wang;Haiyu Yan;Limin Liao;Jun Zhong.(2017).Spatial characters of nutrients in Wujiangdu Reservoir in karst river, SW China.Acta Geochimica,36(4),605-610.
MLA Jun Zhu;Siliang Li;Yuchun Wang;Haiyu Yan;Limin Liao;Jun Zhong."Spatial characters of nutrients in Wujiangdu Reservoir in karst river, SW China".Acta Geochimica 36.4(2017):605-610.
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