Study on the design of barriers in the Tien River estuary and the upstream effects due to closure

The Mekong Delta is located in the South of Vietnam, where the Mekong River flows into the East Sea. The Mekong Delta is responsible for producing half of the national food volume for Vietnam. Socio-economic and agricultural development in particular, have encountered several restrictive factors though: decreasing amount of agricultural land, flooding of the Mekong River, acid sulphate soils and acid water movement, shortage of fresh-water and salt-water intrusion from the East Sea during low-flow discharges. The Dutch Delta Commission has been asked for advise, and the Commission recommended closure of the Cung Hau, Co Chien and Ham Luong branches of the Mekong River, all present in the Tien River estuary. The recommendation of the Commission has not been substantiated yet. It is expected that closure will have a positive influence on the salt-water intrusion and fresh-water availability, but also severe erosion in connecting channels and increasing flood water levels upstream might be occurring. In this report, the project goal is therefore determined as: “To determine and design the preferred type of closure of the Cung Hau, Co Chien and Ham Luong branches, that reduces salt-water intrusion in the Tien River estuary, minimalizes erosion of the connecting channels and prevents unacceptable increases of flood water levels”. The preferred type of closure is determined by means of the effects on salt-water intrusion, morphological changes and flood water levels. These effects have been determined by means of Delft3D.

Subject

Mekong Delta
Delft3D
river model
salt water intrusion
barrier

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http://resolver.tudelft.nl/uuid:80aa7dab-a01f-4441-b858-36cbd3c77ff3

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Student theses

Document type

master thesis

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PDF		Thesis_Main_Report.pdf		7.56 MB
PDF		Thesis_Appendices.pdf		17.35 MB

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