Constructing an interdisciplinary flow regime recommendation
Journal of the American Water Resources Association
By: J.M. Bartholow
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Abstract
It is generally agreed that river rehabilitation most often relies on restoring a more natural flow regime, but credibly defining the desired regime can be problematic. I combined four distinct methods to develop and refine month-by-month and event-based flow recommendations to protect and partially restore the ecological integrity of the Cache la Poudre River through Fort Collins, Colorado. A statistical hydrologic approach was used to summarize the river's natural flow regime and set provisional monthly flow targets at levels that were historically exceeded 75% of the time. These preliminary monthly targets were supplemented using results from three Poudre-specific disciplinary studies. A substrate maintenance flow model was used to better define the high flows needed to flush accumulated sediment from the river's channel and help sustain the riparian zone in this snowmelt-dominated river. A hydraulic/habitat model and a water temperature model were both used to better define the minimum flows necessary to maintain a thriving cool water fishery. The result is a range of recommended monthly flows and daily flow guidance illustrating the advantage of combining a wide range of available disciplinary information, supplemented by judgment based on ecological principles and a general understanding of river ecosystems, in a highly altered, working river. ?? 2010 American Water Resources Association.
Suggested Citation
Bartholow, J., 2010, Constructing an interdisciplinary flow regime recommendation: Journal of the American Water Resources Association, v. 46, no. 5, p. 892-906, https://doi.org/10.1111/j.1752-1688.2010.00461.x.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Constructing an interdisciplinary flow regime recommendation |
| Series title | Journal of the American Water Resources Association |
| DOI | 10.1111/j.1752-1688.2010.00461.x |
| Volume | 46 |
| Issue | 5 |
| Publication Date | July 26, 2010 |
| Year Published | 2010 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of the American Water Resources Association |
| First page | 892 |
| Last page | 906 |