Oregon Water Science Center

Publications

All of our publications are accessible through the USGS Publication Warehouse. Publications by scientists of the Oregon Water Science Center are listed below.

USGS Publications Warehouse

Filter Total Items: 656
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Year Published: 2016

Simulating future water temperatures in the North Santiam River, Oregon

A previously calibrated two-dimensional hydrodynamic and water-quality model (CE-QUAL-W2) of Detroit Lake in western Oregon was used in conjunction with inflows derived from Precipitation-Runoff Modeling System (PRMS) hydrologic models to examine in-lake and downstream water temperature effects under future climate conditions. Current and...

Buccola, Norman; Risley, John C.; Rounds, Stewart A.
Buccola, N.L., Risley, J.C., and Rounds, S.A., 2016, Simulating future water temperatures in the North Santiam River, Oregon: Journal of Hydrology, v. 535, p. 318-330. doi:10.1016/j.jhydrol.2016.01.062

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Year Published: 2016

Evaluating geothermal and hydrogeologic controls on regional groundwater temperature distribution

A one-dimensional (1-D) analytic solution is developed for heat transport through an aquifer system where the vertical temperature profile in the aquifer is nearly uniform. The general anisotropic form of the viscous heat generation term is developed for use in groundwater flow simulations. The 1-D solution is extended to more complex geometries...

Burns, Erick R.; Ingebritsen, Steven E.; Manga, Michael; Williams, Colin F.
Burns, E. R., Ingebritsen, S.E., Manga, M., and Williams, C.F., 2016, Evaluating geothermal and hydrogeologic controls on regional groundwater temperature distribution: Water Resources Research., v. 52, p. 1328–1344, doi:10.1002/ 2015WR018204.

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Year Published: 2016

Quantifying watershed-scale groundwater loading and in-stream fate of nitrate using high-frequency water quality data

We describe a new approach that couples hydrograph separation with high-frequency nitrate data to quantify time-variable groundwater and runoff loading of nitrate to streams, and the net in-stream fate of nitrate at the watershed-scale. The approach was applied at three sites spanning gradients in watershed size and land use in the Chesapeake Bay...

Miller, Matthew P.; Tesoriero, Anthony J.; Capel, Paul D.; Pellerin, Brian A.; Hyer, Kenneth E.; Burns, Douglas A.

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Year Published: 2015

Effects of groundwater pumping on agricultural drains in the Tule Lake subbasin, Oregon and California

Since 2001, irrigators in the upper Klamath Basin have increasingly turned to groundwater to compensate for reductions in surface-water allocation caused by shifts from irrigation use to instream flows for Endangered Species Act listed fishes. The largest increase in groundwater pumping has been in and around the Bureau of Reclamation’s...

Pischel, Esther M.; Gannett, Marshall W.
Pischel, E.M., and Gannett, M.W., 2015, Effects of groundwater pumping on agricultural drains in the Tule Lake subbasin, Oregon and California: U.S. Geological Survey Scientific Investigations Report 2015–5087, 44 p., http://dx.doi.org/10.3133/sir20155087.

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Year Published: 2015

Long-term changes in nitrate conditions over the 20th century in two Midwestern Corn Belt streams

Long-term changes in nitrate concentration and flux between the middle of the 20th century and the first decade of the 21st century were estimated for the Des Moines River and the Middle Illinois River, two Midwestern Corn Belt streams, using a novel weighted regression approach that is able to detect subtle changes in solute transport behavior...

Kelly, Valerie J.; Stets, Edward G.; Crawford, Charles G.
Kelly, V., Stets, E.G., Crawford, C., 2015, Long-term changes in nitrate conditions over the 20th century in two Midwestern Corn Belt streams: Journal of Hydrology, v. 525, p. 559-571. doi:10.1016/j.jhydrol.2015.03.062

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Year Published: 2015

Upstream factors affecting Tualatin River algae—Tracking the 2008 Anabaena algae bloom to Wapato Lake, Oregon

Significant Findings A large bloom that included floating mats of the blue-green algae Anabaena flos-aquae occurred in the lower 20 miles of the Tualatin River in northwestern Oregon between July 7 and July 17, 2008. The floating bloom was deemed a hazard to recreational users of the river due to the potential production of algal toxins (anatoxin...

Rounds, Stewart A.; Carpenter, Kurt D.; Fesler, Kristel J.; Dorsey, Jessica L.
Rounds, S.A., Carpenter, K.D., Fesler, K.J., and Dorsey, J.L., 2015, Upstream factors affecting Tualatin River algae—Tracking the 2008 Anabaena algae bloom to Wapato Lake, Oregon: U.S. Geological Survey Scientific Investigations Report 2015–5178, 41 p., http://dx.doi.org/10.3133/sir20155178.

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Year Published: 2015

Substantial contribution of biomethylation to aquifer arsenic cycling

Microbes play a prominent role in transforming arsenic to and from immobile forms in aquifers1. Much of this cycling involves inorganic forms of arsenic2, but microbes can also generate organic forms through methylation3, although this process is often considered insignificant in aquifers4, 5, 6, 7. Here we identify the presence of...

Maguffin, Scott C.; Kirk, Matthew F.; Daigle, Ashley R.; Hinkle, Stephen R.; Jin, Qusheng
Maguffin, S.C., Kirk, M.F., Daigle, A.R., Hinkle, S.R., and Jin, Q, 2015, Substantial contribution of biomethylation to aquifer arsenic cycling: Nature Geoscience, v. 8, p. 290-293, http://dx.doi.org/doi:10.1038/ngeo2383

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Year Published: 2015

Water-quality conditions and suspended-sediment transport in the Wilson and Trask Rivers, northwestern Oregon, water years 2012–14

In October 2011, the U.S. Geological Survey began investigating and monitoring water-quality conditions and suspended-sediment transport in the Wilson and Trask Rivers, northwestern Oregon. Water temperature, specific conductance, turbidity, and dissolved oxygen were measured every 15–30 minutes in both streams using real-time instream water...

Sobieszczyk, Steven; Bragg, Heather M.; Uhrich, Mark A.
Sobieszczyk, Steven, Bragg, H.M., and Uhrich, M.A., 2015, Water-quality conditions and suspended-sediment transport in the Wilson and Trask Rivers, northwestern Oregon, water years 2012–14: U.S. Geological Survey Scientific Investigations Report 2015-5109, 32 p., http://dx.doi.org/10.3133/sir20155109.

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Year Published: 2015

Groundwater levels, trends, and relations to pumping in the Bureau of Reclamation Klamath Project, Oregon and California

The use of groundwater to supplement surface-water supplies for the Bureau of Reclamation Klamath Project in the upper Klamath Basin of Oregon and California markedly increased between 2000 and 2014. Pre-2001 groundwater pumping in the area where most of this increase occurred is estimated to have been about 28,600 acre-feet per year. Subsequent...

Gannett, Marshall W.; Breen, Katherine H.
Gannett, M.W., and Breen, K.H., 2015, Groundwater levels, trends, and relations to pumping in the Bureau of Reclamation Klamath Project, Oregon and California: U.S. Geological Survey Open-File Report 2015-1145, 19 p., http://dx.doi.org/10.3133/ofr20151145.

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Year Published: 2015

Predicting redox conditions in groundwater at a regional scale

Defining the oxic-suboxic interface is often critical for determining pathways for nitrate transport in groundwater and to streams at the local scale. Defining this interface on a regional scale is complicated by the spatial variability of reaction rates. The probability of oxic groundwater in the Chesapeake Bay watershed was predicted by relating...

Tesoriero, Anthony J.; Terziotti, Silvia; Abrams, Daniel B.
Tesoriero, A.J., Terziotti, S., and Abrams, D.B., 2015, Predicting Redox Conditions in Groundwater at a Regional Scale: Environmental Science & Technology v. 49, p. 9657-9664 DOI: 10.1021/acs.est.5b01869

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Year Published: 2015

Total dissolved gas and water temperature in the lower Columbia River, Oregon and Washington, water year 2014

Significant Findings An analysis of total-dissolved-gas (TDG) and water-temperature data collected at eight fixed monitoring stations on the lower Columbia River in Oregon and Washington in water year 2014 indicated the following: All 81 TDG sensor laboratory checks that were performed after field deployment were within plus or minus (±) 0...

Bragg, Heather M.; Johnston, Matthew W.
Bragg, H.M., and Johnston, M.W., 2015, Total dissolved gas and water temperature in the lower Columbia River, Oregon and Washington, water year 2014: U.S. Geological Survey Open-File Report 2014-1237, 26 p., http://dx.doi.org/10.3133/ofr20141237.

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Year Published: 2015

Geologic and geomorphic controls on the occurrence of fens in the Oregon Cascades and implications for vulnerability and conservation

Montane fens are biologically diverse peat-forming wetlands that develop at points of groundwater discharge. To protect these ecosystems, it is critical to understand their locations on the landscape and the hydrogeologic systems that support them. The upper Deschutes Basin has a groundwater flow system that supports baseflow in many rivers, but...

Aldous, A.; Gannett, Marshall W.; Keith, Mackenzie K.; O'Connor, James E.