Opportunity Information: Apply for 10SS10FW042
Apply for 10SS10FW042
- The Bureau of Reclamation Pacific Northwest Region in the natural resources sector is offering a public funding opportunity titled "Pool Riffle Morphology In Gravel Bed Rivers" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 15.517 Fish and Wildlife Coordination Act.
- This funding opportunity was created on Sep 13, 2010 and posted on Sep 13, 2010.
- Applicants must submit their applications by Sep 27, 2010. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- The funding agency has allocated a total of $35,000.00 to eligible and selected applicants.
- Each selected applicant is eligible to receive up to $35,000.00 in funding.
- The number of recipients for this funding is limited to 1 candidate(s).
- Eligible applicants include: Public and State controlled institutions of higher education.
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Opportunity Summary:
The Bureau of Reclamation (Pacific Northwest Region) published this notice to announce its intent to fund a specific research effort, not to solicit new applications through open competition. The opportunity is framed as a cooperative agreement focused on understanding and improving the sustainability of pool-riffle sequences in gravel-bed rivers, which are common channel forms created by the interaction of streamflow, sediment supply and movement, and the materials that make up the river bed and banks. The practical driver behind the work is stream restoration: many projects try to build or rehabilitate pools in ways that last over time, require minimal maintenance, and provide reliable habitat, especially for salmonids at multiple life stages across streams in the Northwestern United States.
The proposed project builds directly on earlier work by Caamao (2009), who developed a predictive criterion intended to identify "velocity reversal" in a one-dimensional sense. In river mechanics, velocity reversal is the idea that relative flow strengths between pools and riffles can switch as discharge changes, and that this switching behavior may help maintain pool-riffle morphology over time rather than letting pools fill in or riffles scour excessively. The Reclamation notice emphasizes the hypothesis that velocity reversal is a key mechanism behind the persistence of pool-riffle sequences. If the criterion holds up across real-world conditions, it could become a practical design and assessment tool: it could help practitioners develop design guidelines for sustainable pools, decide when engineered structures are necessary (or when a site can be left largely to self-maintain), and establish clearer, measurable indicators of restoration success.
A central motivation is that restoration design often falls into two expensive or imperfect extremes. On one end, teams may rely on empirical classification and design approaches (the notice mentions Rosgen methodology as an example). On the other end, they may attempt full three-dimensional hydrodynamic and sediment-transport modeling, which can be cost-prohibitive for many projects and budgets. This research is positioned as a way to bridge that gap by verifying simpler, field-usable criteria that still reflect real physical processes. The notice also highlights the growing demand from funders, regulators, and the scientific community for defensible performance criteria to evaluate restoration outcomes, and it notes the value of indicators that can be measured quickly and consistently in the field without excessive monitoring costs.
The work is organized around two main activities. Activity 1 is field verification: six Reclamation restoration projects in the Northwest would be selected as case studies to test the pool sustainability criteria and evaluate whether Caamao's velocity-reversal-based prediction aligns with observed channel behavior and feature persistence. This field effort is meant to broaden confidence in the criterion across a wider range of settings than any single site could provide, and to connect the criterion to practical restoration decision-making in real projects.
Activity 2 is laboratory verification using a large-scale flume at the Idaho Water Center in Boise, Idaho. The laboratory component exists because the criterion assumes a supply-limited gravel-bed river, which is often true but can be disrupted when watersheds are disturbed by logging, development, grazing, wildfire, or other factors that increase sediment delivery. Under those high-sediment conditions, pools may respond differently, and understanding the differential sediment transport between pools and riffles becomes essential. Measuring that differential transport during high flows in the field is described as difficult and hazardous, particularly because the most geomorphically important sediment transport happens during high-discharge events. The flume experiment would allow controlled simulation of sediment transport through a pool-riffle sequence, including sediment pulses or elevated loads, while also enabling close measurement of jet flow behavior through pool and riffle features. The lab model would support studying velocity reversal under conditions that are not feasible to safely capture in natural rivers, and it would provide a way to validate both field measurements and numerical model outputs for pool-riffle sequences.
From a funding and administrative standpoint, the opportunity is listed as a discretionary cooperative agreement under CFDA 15.517 (Fish and Wildlife Coordination Act). The expected award count is one, with total funding of $35,000 (equal to the award ceiling and floor), and no cost sharing or matching requirement. Eligibility is limited to public and state-controlled institutions of higher education. The funding opportunity number is 10SS10FW042, it was posted September 13, 2010, and it carried an original and current closing date of September 27, 2010, with an archive date of October 27, 2010. The listed contact for access issues was Bryant Lyndaker, Financial Assistance Officer (208-378-5138, blyndaker@usbr.gov).
Frequently Asked Questions (FAQs)
Is this notice an open funding competition?
No. The Bureau of Reclamation (Pacific Northwest Region) published the notice to announce its intent to fund a specific research effort, not to solicit new applications through open competition.
What type of award is being offered?
The opportunity is framed as a discretionary cooperative agreement (CFDA 15.517, Fish and Wildlife Coordination Act).
What is the main purpose of the funded research?
The project is focused on understanding and improving the sustainability of pool-riffle sequences in gravel-bed rivers, with a practical emphasis on stream restoration. The goal is to support pool designs (or rehabilitation approaches) that persist over time, require minimal maintenance, and provide reliable habitat (especially for salmonids across multiple life stages) in streams across the Northwestern United States.
What are pool-riffle sequences, and why are they important in this project?
Pool-riffle sequences are common channel forms in gravel-bed rivers created by the interaction of streamflow, sediment supply and movement, and the physical materials that make up the river bed and banks. They matter here because many restoration projects aim to build or rehabilitate pools that remain stable and functional over time instead of filling in or requiring frequent maintenance.
What earlier work does this project build on?
The proposed work builds directly on earlier research by Caamao (2009), which developed a predictive criterion intended to identify "velocity reversal" in a one-dimensional sense.
What is "velocity reversal" in the context of this research?
Velocity reversal refers to the idea that the relative flow strengths between pools and riffles can switch as discharge changes. The notice highlights the hypothesis that this switching behavior may help maintain pool-riffle morphology over time, supporting persistence of pools and riffles rather than allowing pools to fill in or riffles to scour excessively.
Why is Reclamation interested in verifying the velocity-reversal criterion?
If Caamao's velocity-reversal-based criterion holds up across real-world conditions, it could become a practical design and assessment tool. The notice indicates it could help practitioners develop design guidelines for sustainable pools, decide when engineered structures are necessary (or when a site can be left largely to self-maintain), and establish clearer, measurable indicators of restoration success.
How does this research address common challenges in restoration design?
The notice describes restoration design as often falling into two costly or imperfect extremes: (1) reliance on empirical classification and design approaches (with Rosgen methodology mentioned as an example), or (2) full three-dimensional hydrodynamic and sediment-transport modeling that can be cost-prohibitive. This research is positioned as a bridge between those extremes by verifying simpler, field-usable criteria that still reflect real physical processes.
Why are performance criteria and indicators emphasized?
The notice points to growing demand from funders, regulators, and the scientific community for defensible performance criteria to evaluate restoration outcomes. It also emphasizes the value of indicators that can be measured quickly and consistently in the field without excessive monitoring costs.
What are the main activities planned under the research effort?
The work is organized into two main activities: (1) field verification using six Reclamation restoration projects in the Northwest as case studies, and (2) laboratory verification using a large-scale flume at the Idaho Water Center in Boise, Idaho.
What will Activity 1 (field verification) involve?
Activity 1 will select six Reclamation restoration projects in the Northwest as case studies to test pool sustainability criteria and evaluate whether Caamao's velocity-reversal-based prediction aligns with observed channel behavior and feature persistence. The intent is to broaden confidence in the criterion across a wider range of settings and connect it to practical restoration decision-making in real projects.
What will Activity 2 (laboratory verification) involve, and where will it occur?
Activity 2 will use a large-scale flume at the Idaho Water Center in Boise, Idaho to simulate sediment transport through a pool-riffle sequence under controlled conditions. The lab setup is intended to support close measurement of jet flow behavior through pool and riffle features and allow experiments that are difficult or hazardous to conduct in natural rivers during high flows.
Why is a laboratory flume needed in addition to field work?
The notice explains that the criterion assumes a supply-limited gravel-bed river, a condition that can be disrupted when watersheds are disturbed (for example by logging, development, grazing, or wildfire) and sediment delivery increases. Under high-sediment conditions, pools may respond differently, and understanding differential sediment transport between pools and riffles becomes essential. Because the most geomorphically important sediment transport happens during high-discharge events, field measurement during those flows is described as difficult and hazardous, making controlled flume work valuable.
What kinds of conditions can the flume experiments simulate that are hard to capture in the field?
According to the notice, the flume can simulate sediment transport through a pool-riffle sequence during high flows, including sediment pulses or elevated sediment loads. This enables controlled study of velocity reversal and differential sediment transport under conditions not feasible to safely capture in natural rivers.
How is the laboratory work expected to support modeling efforts?
The notice indicates the lab model would provide a way to validate both field measurements and numerical model outputs for pool-riffle sequences.
What is the funding opportunity number?
The funding opportunity number is 10SS10FW042.
What is the total funding amount and expected number of awards?
The expected award count is one. Total funding is $35,000, and the award ceiling and floor are both listed as $35,000.
Is cost sharing or matching required?
No. The notice states there is no cost sharing or matching requirement.
Who is eligible to receive this cooperative agreement?
Eligibility is limited to public and state-controlled institutions of higher education.
When was the opportunity posted, and what were the closing and archive dates?
The opportunity was posted on September 13, 2010. The original and current closing date was September 27, 2010. The archive date was October 27, 2010.
Who is the listed contact for access issues, and how can they be reached?
The listed contact for access issues is Bryant Lyndaker, Financial Assistance Officer. Phone: 208-378-5138. Email: blyndaker@usbr.gov.
What region and agency office published this notice?
The notice was published by the Bureau of Reclamation, Pacific Northwest Region.
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