Temperature Model of Lake Roosevelt

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This Funding Announcement is not a request for applications. This announcement is to provide public notice of the Bureau of Reclamation�s intention to fund the following project activities without full and open competition. This agreement is being considered as part of the Pacific Northwest Cooperative Ecosystem Studies Unit (CESU). The goal of the Cooperative Ecosystem Studies Units (CESU) Network is to improve the scientific base for managing federal lands by providing resource managers with high quality scientific research, technical assistance and education through working partnerships involving federal agencies, universities, tribal groups, state agencies, and nongovernmental organizations. PNW CESU projects involve the physical, biological, social and cultural sciences to address complex social, cultural, and natural resource management issues. Reclamation through this Agreement is providing assistance to Portland State University. The purpose of this project is to develop a temperature model of Lake Roosevelt, created by the Grand Coulee dam project. Development of this model affords the ability to evaluate alternative operational and structural alternatives that can influence the regulation of water flow and temperature. It also has the potential to inform in-season watershed management decisions to reduce take. The benefit to constructing a temperature model of Lake Roosevelt allows for the future inclusion of other biological and water quality constituents and the potential for improved fishery habitat. The characterization of water temperature in the Columbia River is related to the storage and release of water from upstream projects like Grand Coulee Dam. The upstream reservoir provides the boundary conditions (input variables) to the downstream reach models, ultimately ending with the tailrace at Bonneville Dam.

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