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 JEP  Vol.7 No.8 , July 2016
Using Isotope Technology for Surface Water Environment Research in Southern Hanoi
Abstract: The surface water in the southern of Hanoi capital is researched by identifying δ2H and δ18O stable isotopes together with EC, DO, BOD5, COD, TSS. Surface water samples for studying include the Red river, Nhue river and Kim Nguu river, Thanh Nhan lake, Yen So lake and Van Quan lake were collected in the dry season (April) and the rainy season (August) in 2015. The stable isotope analysis results showed that the δ18O values is a range from -42.53 to -64.05 and, the δ2H values is the range from -5.09 to -8.79 under global meteoric waterline (in the water vapor region). The δ2H results of the rivers and lakes in the dry season are more negative than the rainy season with a small difference. The δ18O results of lakes in the dry season are more negative than the rainy season, but the δ18O results of river in the dry season are more positive than the rainy season. The results of the EC, BOD, COD, DO, TSS analysis showed that surface water environment has changed clearly in the two seasons and the contamination level in the dry season is usually higher than the rainy season. The lakes and rivers strongly influenced by human activities led to seriously pollution are Van Quan lake and Yen So lake, Nhue river and Kim Nguu river.
Cite this paper: Anh, V. , Minh, T. , Giap, T. , Anh, H. , Cong, N. , Thinh, N. and Hoai, V. (2016) Using Isotope Technology for Surface Water Environment Research in Southern Hanoi. Journal of Environmental Protection, 7, 1113-1118. doi: 10.4236/jep.2016.78100.
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