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This work aimed to assess the risk of the saltwater intrusion (SI) in main rivers in Ho Chi Minh City (HCMC) in the context of climate change by 2100 under scenarios of RCP4.5 and RCP8.5. By modeling and GIS methods, results showed that SI has been increasing and moving upstream. Differences in the salinity between the RCP4.5 and RCP8.5 scenarios could be only visible from the middle to the end of the 21st century. In Saigon river, for RCP4.5, corresponding to 2025, 2030, 2050, and 2100, the salt line of 0.25‰ would be 0.25km, 1.6 km, 4.09km and 6.22km, respectively from Hoa Phu pump station as compared to that of 0.75 km; 1.6km; 4.6 km and 8.6 km, respectively for RCP8.5. In Dong Nai river, from Hoa An pump station, the corresponding figures would be 3.7km; 4.9km; 7.7km; 11.7km according to RCP4.5 and 3.7km, 4.9 km, 8.1km, 12.6km according to RCP8.5. The research results provide an important basis for planning suitable adaptation solutions, ensuring local activities and production.

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Article Details

Issue: Vol 2 No 3 (2018)
Page No.: 102-112
Published: May 23, 2019
Section: Original Research

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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Le, T., Tran, K., & Nguyen, P. (2019). Risks of the saltwater intrusion in the SaiGon, DongNai rivers in the context of climate change and sea level rise. Science and Technology Development Journal - Natural Sciences, 2(3), 102-112.

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