Understanding thermal mixing, water quality improvements, and algae dynamics with the pulsing of releases from Jordan Reservoir


Funding Opportunity ID:327491
Opportunity Number:W81EWF-20-SOI-0026
Opportunity Title:Understanding thermal mixing, water quality improvements, and algae dynamics with the pulsing of releases from Jordan Reservoir
Opportunity Category:Discretionary
Opportunity Category Explanation:
Funding Instrument Type:Cooperative Agreement
Category of Funding Activity:Science and Technology and other Research and Development
Category Explanation:
CFDA Number(s):12.630
Eligible Applicants:Others (see text field entitled “Additional Information on Eligibility” for clarification)
Additional Information on Eligibility:This opportunity is restricted to non-federal partners of the Piedmont-South Atlantic Coast Cooperative Ecosystems Studies Unit (CESU).
Agency Code:DOD-COE
Agency Name:Department of Defense
Dept. of the Army — Corps of Engineers
Posted Date:Jun 04, 2020
Close Date:Jul 31, 2020
Last Updated Date:Jun 04, 2020
Award Ceiling:$25,000
Award Floor:$0
Estimated Total Program Funding:$25,000
Expected Number of Awards:1
Description: The Cape Fear River Basin was added to a nationwide program called The Sustainable Rivers Program (SRP) in 2016. SRP is a joint program between The Nature Conservancy (TNC) and the US Army Corps of Engineers (Corps) to improve the health of rivers by analyzing how the Corps operates their infrastructure, such as the release of water out of dams. The SRP attempts to analyze the effects from dams and use reservoir operations to enhance and manage downstream (and sometimes in lake) ecosystems. The Cape Fear River Basin was chosen for the SRP because of its complex human-ecology relationships, the expert stakeholders in the basin, and because the Corps-owned B. Everett Jordan Dam (Jordan Dam) has potential to influence fish and wildlife habitat, water quality, and other natural resources. The Cape Fear River Basin contains over two million people (2010 census), one-fifth of the state’s population. This includes growing urban areas of Durham, Greensboro, Pittsboro, Fayetteville, Wilmington and other cities, which contribute urban runoff into the river, but many of which also get a portion of their drinking water from this waterbody. The basin also supports 95 species of recreational fish, 42 rare aquatic species, as well as streamside habitat containing some of the oldest trees east of the Rocky Mountains; some of which are over 2000 years old (Stahle, 2012). Natural and human environments rely on the Cape Fear River, making its water quality and water quantity of the utmost importance. There have been multiple harmful algal bloom outbreaks behind Lock and Dam 1. These algal blooms are harmful to the health of the aquatic ecosystem, resulting, at times, in fish kills. The Cape Fear River also has many drinking water users, especially near locations of historic algal blooms. The algal blooms impact the treatment capacity of the many water supply systems on the Cape Fear River. The Corps, TNC and expert stakeholders have collaborated and identified flow recommendations that may reduce these harmful algal blooms. Flow recommendations include pulsing events to flush lower velocity (pooled) areas, drought conditions, temperature improvements, and like issues. This request seeks to study the impacts of releases on water quality downstream. Brief Description of Anticipated Work: The objectives of this work are to: Understand thermal stratification of the Cape Fear River, especially near Lock and Dam 1; Correlate different flow rates with potential thermal mixing of the water column; Track water quality constituents, especially chlorophyll a, as it relates to flow Relate the Corps’ water management to water quality and investigate the influence of releases out of Jordan Reservoir

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