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  • LA


  • Authors: Nguyen, Thi Hoang Hoa;  Advisor: -;  Participants: - (2005)

  • This study evaluates economic and environmental impacts of Ban La project on local communities: upstream of the Ban La dam; flooded area and irrigation areas downstream from the proposed dam. Private costs and benefits as well as public costs and benefit are estimated for the project in order to arrive at the total net social benefits. Contingent Valuation Method (CVM) is used to estimate the costs and benefits associated with intangible item or non-market goods. The study found that the net present value of social benefits at 10% discount rate and 30 years project operation period is positive (BVND 533.8). Benefit-Cost ratio is 3.18 and Internal Rate of Return (IRR) is 11%. Sensitivity analysis is also performed to detect responsiveness of the investment to changes in discount rate...

  • LA


  • Authors: Vu Thi Thu Thuy;  Advisor: Hassan, Randa M.M.; Wang, Ir. Zheng. B.;  Participants: - (2003)

  • Vietnam is located near the Northwest Pacific Ocean - the largest storm basin of the world. Thus, Vietnam’s coast with many coastal works, economical zones as well as high density populated regions, is the most vulnerable area under typhoons accompanied with serious storm surges. This is the main reason for the huge damages occuring in the areas. Storm surges threaten not only safety of people’s lives but also coastal structures. Traditional planning, design of coastal projects and coastal zone management usually take into account these effects based on their probability distribution of very limited observed data, which results in a low reliability and safety. Therefore, improving the accuracy in determination of these abnormal water level rise during storm is essential for proper p...

  • LA


  • Authors: Nguyen, Van Tinh;  Advisor: -;  Participants: - (2004)

  • Irrigation performance indicators, which comprise engineering and economic indicators, allow an assessment on performance of irrigation systems. Indicators can be use to compare the system to other systems. Within the system, they can compared from year to year to indicate relative performance or trend. The Lien Son irrigation system located within the Red River Delta of Vietnam is chosen as study area. Based on available data of the study area, performance indicators will be determined, analysed and compared. Then some recommendations can be provided to improve irrigation performance for the study area.