Opportunity Information: Apply for F16AS00045
Apply for F16AS00045
- The DOI-FWS in the environment, natural resources, science and technology and other research and development sector is offering a public funding opportunity titled "Hydrodynamic Model of Ash Meadows Fish Conservation Facility" and is now available to receive applicants.
- Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 15.608.
- This funding opportunity was created on Dec 03, 2015 and posted on Dec 03, 2015.
- Applicants must submit their applications by Dec 08, 2015. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
- Each selected applicant is eligible to receive up to $38,919.00 in funding.
- The number of recipients for this funding is limited to 1 candidate(s).
- Eligible applicants include: Unrestricted (i.e., open to any type of entity above), subject to any clarification in text field entitled Additional Information on Eligibility.
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Opportunity Summary:
The Hydrodynamic Model of Ash Meadows Fish Conservation Facility grant opportunity (Funding Opportunity Number F16AS00045) is a U.S. Fish and Wildlife Service (DOI-FWS) discretionary funding announcement focused on improving how well the Ash Meadows Fish Conservation Facility (FCF) replicates the natural aquatic dynamics of Devils Hole. The facility itself is a large, highly controlled refuge system built around a roughly 100,000-gallon tank that reconstructs the shallow shelf habitat found in Devils Hole, with the tank oriented to mirror Devils Hole's spatial layout. The FCF already has sophisticated environmental controls: louvered roof shutters can be adjusted to match Devils Hole-like solar exposure, and an integrated software and mechanical system can regulate water temperature and water chemistry. Operationally, the facility is run to mimic pre-development Devils Hole conditions, but with slightly more favorable temperature and dissolved oxygen targets to support spawning and juvenile recruitment.
The core problem this project aims to address is that, while the FCF can hold physical and chemical conditions steady and keep them uniform through a recirculating system, it does not reproduce the natural water movement and circulation patterns that occur in Devils Hole. In the natural system, circulation is influenced by multiple drivers such as wind and tidal effects, but the dominant mechanism is described as thermal gradients in the water column that generate energy-driven flow. Prior research (Hausner et al., 2013) demonstrated that these circulation processes in Devils Hole can be simulated using computational fluid dynamics (CFD) modeling in the FLUENT software platform. This opportunity proposes extending that approach to the conservation facility by building an analogous CFD model of the FCF tank and then comparing the facility's modeled circulation patterns against simulations of natural circulation in Devils Hole.
In practical terms, the funded work would revolve around developing a detailed hydrodynamic CFD representation of the FCF tank that captures how temperature-driven gradients and the facility's engineered recirculation influence internal flow fields, mixing, and circulation cells. The comparison to Devils Hole simulations is meant to reveal where the facility successfully matches natural hydrodynamics and where it differs, which is important because water movement affects habitat quality in ways that go beyond basic chemistry and temperature. Circulation influences oxygen distribution, thermal stratification, transport of nutrients or particulates, and the microhabitat conditions that can matter for spawning behavior and early life stages. The implied outcome is a clearer, physics-based understanding of whether the FCF is replicating not just the static conditions of Devils Hole, but also the dynamic processes that shape the species' environment, potentially informing operational changes or design tweaks to better emulate natural circulation.
Administratively, the award is offered as a cooperative agreement under CFDA 15.608, within the broad activity area of environment, natural resources, and science and technology research and development. Eligibility is listed as unrestricted (open to any type of entity, subject to any additional eligibility clarifications in the full announcement). The opportunity anticipated one award with a maximum federal funding level (award ceiling) of $38,919. The posting and creation dates were December 3, 2015, and the closing date for applications was December 8, 2015.
Hydrodynamic Model of Ash Meadows Fish Conservation Facility (F16AS00045) - FAQs
What is the Hydrodynamic Model of Ash Meadows Fish Conservation Facility grant opportunity?
This is a U.S. Fish and Wildlife Service (DOI-FWS) discretionary funding opportunity (Funding Opportunity Number F16AS00045) focused on improving how well the Ash Meadows Fish Conservation Facility (FCF) reproduces the natural aquatic dynamics of Devils Hole by developing and using a hydrodynamic computational model of the facility.
Which federal agency is offering this funding?
The opportunity is offered by the U.S. Fish and Wildlife Service (DOI-FWS).
What type of award is anticipated?
The award is offered as a cooperative agreement.
What is the CFDA number associated with this opportunity?
The CFDA number listed is 15.608.
What is the main purpose of the funded work?
The funded work centers on developing a detailed hydrodynamic computational fluid dynamics (CFD) model of the Ash Meadows FCF tank and comparing modeled circulation patterns in the facility to simulations of natural circulation in Devils Hole.
What problem is this project trying to solve?
The facility can hold physical and chemical conditions steady and uniform using a recirculating system, but it does not reproduce the natural water movement and circulation patterns that occur in Devils Hole. This project aims to quantify and evaluate those differences using physics-based modeling.
Why does water movement matter if temperature and chemistry are already controlled?
Water circulation affects habitat quality beyond basic temperature and chemistry. It can influence oxygen distribution, thermal stratification, transport of nutrients or particulates, internal mixing, circulation cells, and microhabitat conditions that may matter for spawning behavior and early life stages.
What is the Ash Meadows Fish Conservation Facility (FCF) described in the announcement?
The FCF is a large, highly controlled refuge system built around a roughly 100,000-gallon tank that reconstructs the shallow shelf habitat found in Devils Hole. The tank is oriented to mirror Devils Hole's spatial layout.
How does the facility currently try to mimic Devils Hole conditions?
The facility includes louvered roof shutters that can be adjusted to match Devils Hole-like solar exposure, and an integrated software and mechanical system that regulates water temperature and water chemistry. Operationally, it is run to mimic pre-development Devils Hole conditions, but with slightly more favorable temperature and dissolved oxygen targets to support spawning and juvenile recruitment.
What natural processes drive circulation in Devils Hole, according to the description?
Circulation in Devils Hole is influenced by multiple drivers such as wind and tidal effects, but the dominant mechanism described is thermal gradients in the water column that generate energy-driven flow.
What modeling approach is referenced for simulating Devils Hole circulation?
The announcement references prior research (Hausner et al., 2013) showing that Devils Hole circulation processes can be simulated using computational fluid dynamics (CFD) modeling in the FLUENT software platform.
What is expected to be modeled for the facility tank?
The proposed work would develop a detailed hydrodynamic CFD representation of the FCF tank capturing how temperature-driven gradients and the facility's engineered recirculation influence internal flow fields, mixing, and circulation cells.
What is the intended comparison in this project?
The intent is to compare the facility's modeled circulation patterns against simulations of natural circulation in Devils Hole to identify where the facility matches natural hydrodynamics and where it differs.
What outcomes are implied by the announcement?
The implied outcome is a clearer, physics-based understanding of whether the facility replicates not only static Devils Hole conditions (like temperature and chemistry) but also dynamic processes (like circulation). The results could inform operational changes or design tweaks to better emulate natural circulation.
What is the maximum federal funding amount available?
The maximum federal funding level (award ceiling) listed is $38,919.
How many awards were anticipated?
The opportunity anticipated one award.
What is the activity area or field of work for this opportunity?
The activity area is described broadly as environment, natural resources, and science and technology research and development.
Who is eligible to apply?
Eligibility is listed as unrestricted, meaning it is open to any type of entity, subject to any additional eligibility clarifications that may appear in the full announcement.
What are the key dates for this opportunity?
The posting and creation dates were December 3, 2015, and the closing date for applications was December 8, 2015.
Is this opportunity still open?
Based on the provided information, the application closing date was December 8, 2015.
What specific facility feature is highlighted as not being naturally replicated?
The announcement highlights that, despite strong control of physical and chemical conditions, the facility does not reproduce natural water movement and circulation patterns like those in Devils Hole.
What does the announcement suggest about current uniformity inside the facility tank?
It notes that the facility can keep physical and chemical conditions steady and keep them uniform through a recirculating system.
What specific elements of hydrodynamics are mentioned as topics for analysis?
The description calls out internal flow fields, mixing, circulation cells, and the influence of temperature-driven gradients and engineered recirculation on those dynamics.
What is the broader conservation rationale behind doing hydrodynamic modeling?
The underlying rationale is that replicating Devils Hole successfully may require reproducing not just target numbers for temperature and chemistry, but also the physical circulation processes that shape oxygen patterns, stratification, and fine-scale habitat conditions relevant to spawning and early development.
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