Preliminary study on the characteristics of nitrogen and phosphorus in the sediments of Huizhou West Lake
TAN Zhen1, ZHONG Ping1, YING Wen-ye1, LIU Zheng-wen1,2, ZHU Guang-wei2
1. Institute of Hydrobiology, Jinan University, Guangzhou 510632, China; 2. Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
Huizhou West Lake is a subtropical shallow urban lake in Guangdong Province,southern China.In this study,the lake sediment characteristics were investigated to understand the impact of sediments on water quality.Six sediment cores were taken from five sub-lakes of Huizhou West Lake(Nanhu,Fenghu,Pinghu,Linhu and E-hu) in Aug.2004.The sediments was analyzed for water content,LOI,TN,TP,AAP and grain size.The results showed that the sediments from Nanhu had a several times higher contents of TP,TN,LOI and AAP,and the higher values at lower depths suggested that pollution in this area was very serious.Low variation in the vertical profiles of the sediment from other area indicated the effects of dredging on the sediments.High water turbidity was likely related to small grain size of the sediments and high turbulence caused by fish and boating activity in this lake.
谭镇1, 钟萍1, 应文晔1, 刘正文1,2*, 朱广伟2, 王建军2. 惠州西湖底泥中氮磷特征的初步研究[J]. , 2005, 24(4): 318-321.
TAN Zhen1, ZHONG Ping1, YING Wen-ye1, LIU Zheng-wen1,2, ZHU Guang-wei2. Preliminary study on the characteristics of nitrogen and phosphorus in the sediments of Huizhou West Lake. , 2005, 24(4): 318-321.
[4] Khadge N H.1999.Effect of benthic disturbance on geotechnical characteristics of sediments from nodule mining area in the Central India Basin[A].The Proceeding of the Third (1999) ISOPE Ocean Mining Symposium,Goa,India[C].Cupertino,CA (USA):International Society of Offshore and Polar Engineers.138-144.
[7] Dorich R A,Nelson D W,Sommers L E.1985.Estimating algal available phosphorus in suspended sediments by chemical extraction[J].Journal of Environmental Quality,14(3):400-405.