About the Initiative |
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Restoring Environmental Flows by Modifying Dam Operations. 2007 (unknown) Author: Brian D. Richter (TNC) and Gregory A. Thomas (NHI) |
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Article published in a special feature of Society and Ecology on Restoring Riverine Landscapes. |
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Global Trends in Optimizing River Systems for Water Supply and Environmental Restoration. 2006. (3864.8 kB) Author: NHI |
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Presentation to provide an overview of the basic concepts of reoptimization, as well as an introduction to The Global Reoptimization Initiative and NHI and USBR System-Wide Investigation of Central Valley Conjunctive Water Management Opportuniites. |
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Global Experience in Environmental Enhancements by Major Hydropower Facilities (1650.9 kB) Author: NHI |
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Presentation at the International Symposium on Flood Control & Ecologically Sustainable Hydropower in Beijing, China, 2007. |
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Tools and Techniques for Re-Optimizing Major Water Management Systems to Restore Aquatic Ecosystems & Human Livelihoods (3753.0 kB) Author: NHI, TNC, and IUCN |
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Presentation at the IUCN World Conservation Congress in Barcelona, Spain 2008 by The Natural Heritage Institute, IUCN, and the Nature Conservancy |
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Integrating Environmental Flows into Hydropower Dam Planning, Design, and Operations. November 2009 (770.0 kB) Author: Karin Krchnak (TNC), Brian Richter (TNC), and Gregory Thomas (NHI) |
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A Technical Guidance Note prepared by staff at the Nature Conservancy and the Natural Heritage Institute as a contribution to the World Bank economic and sector work—mainstreaming environmental flow requirements into water resources investments and policy reforms jointly supported by the Environment Department and the Energy, Transport and Water Department. |
Africa |
Ghana - Lower Volta |
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Planning Workshop Proceedings (252.9 kB) Author: NHI and project partners |
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In May 2007, NHI and its partners brought together a wide variety of stakeholders in Accra to design the technical investigation of the potential to reoptimize the Akosombo and Kpong Dams to restore ecological functions and livelihoods in the lower Volta river basin. |
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Project Presentation, African Water Week 2008 (10648.0 kB) Author: NHI |
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Presentation given by Gregory Thomas at the First African Water Week (March 2008) on the reoptimization of West African Dams to restore downstream ecosystems & livelihoods. |
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Lower Volta Project Concept Paper (240.1 kB) Author: NHI |
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This paper describes NHI and our partners strategy to restoring a more natural flow pattern downstream of Akosombo and Kpong dam to revitalize the livelihood and ecosystem functions of Volta River and coastal environment. |
Nigeria - Hadejia Nguru |
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Planning Workshop Proceedings (424.4 kB) Author: NHI and project partners |
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In August 2007, NHI and its partners brought together a wide variety of stakeholders for a workshop to design the technical investigation of the potential to reoptimize the operation of Tiga and Challawa Gorge Dams, trrigation systems and other water bodies to restore livelihood and ecological functions in the Hadejia-Nguru-Yobe-Lake Chad basin. |
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Hadejia-Nguru Project Concept Paper (172.0 kB) Author: NHI |
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This paper describes the Global Initiative's plans to restore the natural variability of flows into the Hadejia-Nguru wetlands, on which millions of humans' subsistence and livelihoods are dependent. |
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Project Presentation, African Water Week 2008 (10648.0 kB) Author: NHI |
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Presentation given by Gregory Thomas at the First African Water Week (March 2008) on the reoptimization of West African Dams to restore downstream ecosystems & livelihoods. |
Other Africa Components |
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Senegal River Concept Paper (71.7 kB) Author: NHI |
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Building on environmental flow assessments in the Senegal Basin, NHI has developed a plan to examine the extent to which reoptimization techniques can be applied to provide environmental and livelihood benefits, without diminsihing the other benefits provided by the Manantali and Diama dams. |
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ECOWAS Concept Paper (5635.1 kB) Author: NHI and partners |
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NHI and its partners have developed a conceptual paper detailing a coordinated program to reoptimize the West African Power Pool (WAPP) to provide food production and ecological benefits, as well as potentially improve: water supply reliability, power production and system reliability, flood management, and human health. |
China |
Southeast China Rivers |
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China Project Concept Paper (73.2 kB) |
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India |
Future Components |
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Concept Note on India Component (1117.5 kB) |
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NHI is exploring a potential project component in India, which would investigate the potential for reoptimization of Srisailam and Nagarjuna Sagar Dams on the lower Krishna River basin. |