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Dams and Development E-Paper Contents

p. -1 of 74 BACK | NEXT Home Page of Dams and Development Foreword I. Why an e-paper on dams and development? II. Assessing options III. Participatory processes IV. Social impacts V. Environmental impacts VI. Benefit distribution VII. Dam safety and sustainability VIII. Existing projects IX. Improving governance X. What other organizations say XI. ADB, Dams, and Development XII. References Contact Us

World Bank Technical Notes on environmental flows

As part of its Water Resources and Environment Technical Notes series, the World Bank commissioned a series of four papers dealing with environmental flows:

Note C1: Concepts and Methods - introduces the significance of different flows (low flows, small floods and large floods),outlines methods for quantifying environmental flows and discusses related decision-making and implementation issues.

Note C2: Case Studies - Features three case studies:

The Lesotho Highlands Water Project - One of the world's largest water resource developments, the Lesotho Highlands Water Project will eventually comprise seven major dams on the headwaters of the Senqu River system. Social and ecological concerns about the first dam built led to an environmental flow assessment for existing and planned parts of the development.

The Skagit River Hydroelectric Project - An application to renew the operating license for hydropower dams on the Skagit River in the northwestern United States created an opportunity to incorporate environmental flows into the license.

The Murray-Darling Cap on Abstractions - 20 Rivers of the Murray-Darling Basin in southeastern Australia are seriously degraded as a result of over-abstraction and increasing nutrient and salinity levels. A "cap" on abstractions will limit further degradation until flow assessments can be completed and environmental flows implemented.

Note C3: Flood Flows - explores the rationale and basis for adopting managed floods, outlines the approach to design including understanding the linkage between floods and the affected ecosystem, defines the options, and assesses the consequences for dam outlet structures and operation. An IUCN case study of managed flood releases in the Waza-Logone system in Cameroon is described

Note C4: Social Issues - under preparation

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