期刊名称:Journal of Geography, Environment and Earth Science International
印刷版ISSN:2454-7352
出版年度:2016
卷号:5
期号:3
页码:1-12
DOI:10.9734/JGEESI/2016/23521
语种:English
出版社:Sciencedomain International
摘要:Aims: The Mekong Delta of Vietnam is facing impacts from climate change and sea level rise. Two extreme weather conditions – drought and flood – have occurred much more often recently. Faced with the challenges of drought, the government of Vietnam has an idea of constructing a super sea dyke (SSD)/barrage at Rach Gia Bay – Kien Giang province to create a fresh water lake that will provide water to water scarce regions in the Long Xuyen Quadrangle (LXQ) and especially, Ca Mau Peninsula (CMP). Three options for the SSD have been proposed: Option I: short route, 30 km, creating a small lake with a surface area of 357 km² and a volume of 609 million m3; Option II: short route track, 31.8 km, creating a lake with a surface area of 425 km² and a volume of 795 million m3; and Option III: long route, 47.5 km, forming a large lake with a surface area of 823 km², and a value of 2.58 billion m3 in volume. Furthermore, each option includes at least a sluice gate and a navigation lock. The objective of this study was to assess the impacts of wastewater discharges on the water quality in the proposed barrage.
关键词:Climate change;wastewater;fresh water supply;pollutant load;water quality modeling;Rach Gia City;Vietnam