CE-QUAL-W2 models for the Willamette River and major tributaries downstream of U.S. Army Corps of Engineers dams: 2011, 2015, and 2016 (version 1.1, December 2023)
Dates
Publication Date
2022-06-06
Time Period
2011
Time Period
2015
Time Period
2016
Revision
2023-12-06
Citation
Stratton Garvin, L.E., and Rounds, S.A., 2022, CE-QUAL-W2 models for the Willamette River and major tributaries downstream of U.S. Army Corps of Engineers dams: 2011, 2015, and 2016 (version 1.1, December 2023): U.S. Geological Survey data release, https://doi.org/10.5066/P908DXKH.
Summary
In the Willamette River Basin in northwestern Oregon, stream temperature has been altered by 13 dams operated by the U.S. Army Corps of Engineers (USACE), negatively influencing threatened populations of native salmonids. CE-QUAL-W2, a two-dimensional, hydrodynamic water quality model, has been used to investigate temperature and heat patterns in the Willamette River and the downstream effects of dam operations and other anthropogenic effects on heat and stream temperature. This data release includes the input and output files for six CE-QUAL-W2 models that include Fall Creek downstream of Fall Creek Dam, the Row River downstream of Dorena Dam, the Coast Fork Willamette River downstream of Cottage Grove Dam, the Middle Fork Willamette [...]
Summary
In the Willamette River Basin in northwestern Oregon, stream temperature has been altered by 13 dams operated by the U.S. Army Corps of Engineers (USACE), negatively influencing threatened populations of native salmonids. CE-QUAL-W2, a two-dimensional, hydrodynamic water quality model, has been used to investigate temperature and heat patterns in the Willamette River and the downstream effects of dam operations and other anthropogenic effects on heat and stream temperature. This data release includes the input and output files for six CE-QUAL-W2 models that include Fall Creek downstream of Fall Creek Dam, the Row River downstream of Dorena Dam, the Coast Fork Willamette River downstream of Cottage Grove Dam, the Middle Fork Willamette River downstream of Dexter Dam, the South Fork McKenzie River downstream of Cougar Dam, the McKenzie River downstream of the South Fork McKenzie River confluence, the South Santiam River downstream of Foster Dam, the North Santiam River downstream of Big Cliff Dam, the Santiam River, and the Willamette River as far downstream as Willamette Falls (river mile 26.8) near Oregon City. The models, built by other researchers in the early 2000s to simulate portions of 2001 and 2002, were upgraded to CE-QUAL-W2 version 4.2 with additional USGS modifications to trace heat, water sources, and provide additional outputs. Models are set up to run from late March through October of 2011, 2015, and 2016. Model scenarios documented in this data release were used to investigate the downstream impacts of flow augmentation from various upstream dams.
Stratton Garvin, L.E., Rounds, S.A., and Buccola, N.L., 2022, Updates to models of streamflow and water temperature for 2011, 2015, and 2016 in rivers of the Willamette River Basin, Oregon: U.S. Geological Survey Open-File Report 2022–1017, 73 p., https://doi.org/10.3133/ofr20221017.
Rounds, S.A., and Stratton Garvin, L.E., 2022, Tracking heat in the Willamette River system, Oregon: U.S. Geological Survey Scientific Investigations Report 2022–5006, 47 p., https://doi.org/10.3133/sir20225006.
Stratton Garvin, L.E., and Rounds, S.A., 2022, The thermal landscape of the Willamette River—Patterns and controls on stream temperature and implications for flow management and cold-water salmonids: U.S. Geological Survey Scientific Investigations Report 2022–5035, 43 p., https://doi.org/10.3133/sir20225035.
This is the model archive and supporting information for CE-QUAL-W2 source code, code modifications, and applications to six river reaches (or "submodels") in the Willamette River Basin downstream of U.S. Army Corps of Engineers dams, from March through October of 2011, 2015, and 2016, and three U.S. Geological Survey reports. The models were used to investigate patterns and controls on stream temperature in the Willamette Basin, sensitivity to flow management, and implications for threatened salmonids. Edits to the CE-QUAL-W2 source code also allow the tracking of heat and water from specific locations in the model, which was used to further investigate stream temperature patterns and to gain fundamental insight about heat exchange with the environment.. This data release documents the supporting information for two accompanying U.S. Geological Survey Scientific Investigations Reports (https://doi.org/10.3133/sir20225035 and https://doi.org/10.3133/sir20225006) and one U.S. Geological Survey Open-File Report (https://doi.org/10.3133/ofr20221017).
