APPLICATION OF GEOGRAPHICAL INFORMATION SYSTEM (GIS) TO INTERPOLATE AND MANAGE WATER QUALITY (WQI) OF DONG NAI RIVER FROM THE NAM CAT TIEN FERRY TERMINAL TO MUI DEN DO
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Abstract
This paper assessed Dong Nai River water quality from Cat Nam Cat Tien ferry terminal to Mui Den Do applying GIS. Based on the results of calculating the WQI (Water Quality Index) from the water quality monitoring data on the Dong Nai River at different periods over many years, ArcGIS was used in this study to interpolate the contaminated zones over spatial and temporary. The results showed that the WQI ranged from 46 to 100, usually from 79 to 100, especially low in residential and industrial areas, showing many variations in water quality. Based on this result, the interpolation map of surface water quality in the studied area was created, creating more data sources for the management of surface water resources in Dong Nai.
Keywords
Dong Nai River, water quality, WQI, ArcGIS, contaminated zones
Article Details
References
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Gong, G., Mattevada, S., & O’Bryant, S.E. (2014). Comparison of the accuracy of kriging and IDW interpolations in estimating groundwater arsenic concentrations in Texas. Environmental Research, 130, 59-69.
Huynh, T. M. H., & Nguyen, H. A. (2006). Ung dung geoinformatics trong cong tac quan lí luu vuc song Sai Gon - Dong Nai – mot so ket qua danh gia ban dau [Geoinformatics application in SaiGon – DongNai river basin management – some achivements]. Science & Technology Development, Enviroment & Resources, 9, 18-25.
Huynh, T. M. H., Nguyen, T. H., & Nguyen, V. D. (2006). Quan li thong nhat và tong hop cac nguon thai gay o nhiem tren luu vuc he thong song Dong Nai [The management of pollution sources in Dong Nai river system basin]. Science & Technology Development, Environment & Resources, 9, 5-17.
Le, M. T., & Dinh, Q. T. (2011). Danh gia tong quan nguon thai gay o nhiem tren luu vuc he thong song Dong Nai đoan qua dia ban tinh Binh Duong [Overview evaluation sources of waste causing water pollution in dongnai river basin, which flows through the province of binh duong]. Journal of Thu Dau Mot University, 1, 88-97.
Nguyen, T. V. H., Tran, V. N. Q., & Takizawa, S. (2009). Nghien cuu ap dung mo hinh WASP mo phong chat luong nuoc ho Dau Tieng [Study on application of wasp model for simulating water quality of Dau Tieng reservoir]. Science & Technology Development, 12(2), 5-16.
Nong, T. H. Y., & Nguyen, H. H. (2017). Ung dung GIS va thuat toan noi suy khong gian xay dung ban do chat luong nuoc mat khu vuc khai thac khoang san tai huyen Hoanh Bo, tinh Quang Ninh [Application of GIS and spatial interpolation algorithm to construct water quality maps in mining areas of Hoanh Bo District, Quang Ninh Province]. Science & Technology Development, 169(09), 75-80.
Phan, V. C. (2011). Nghien cuu ung dung mo hinh toan Mike 11 mo phong danh gia chat luong nuoc ha luu song Dong Nai doan chay qua thanh pho Bien Hoa theo quy hoach phat trien kinh te xa hoi den nam 2020 cua tinh Dong Nai [Application of the Mike 11 model to simulate the assessment of water quality of lower Dong Nai River in the Bien Hoa City by the socio-economic development planning till 2020 of Dong Nai province]. Master Thesis, The University of Danang.
Tran, H. T., & Tran, T. V. (2011). Assessment of climate change impacts on salinity intrusion in Hong-Thai Binh and Dong Nai river basins. VNU Journal of Science: Earth and Environmental Sciences, 27(1), 54-61.