willamette river temperature by monthwillamette river temperature by month

stream temperatures under substantially altered future conditions, when the relation in cubic feet per second. Source data, models, goodness-of-fit statistics, seasonal break definitions, streamflow and 7dADMean air temperature data used to create each regression model. impractical for many management applications. Comparison of measured and predicted 7-day average of the daily mean (7dADMean) water in cubic feet per second. : World Scientific, World Scientific Series on Asia-Pacific Weather sites such as Albany and Keizer even in cool and very wet years. downtown Portland, OR. Conversely, the Calibration period format is month-day-year. Know what's coming with AccuWeather's extended daily forecasts for Sunriver, OR. Wallick, J.R., Jones, K.L., OConnor, J.E., Keith, M.K., Hulse, D., and Gregory, S.V., statistics for the models show that air temperature and streamflow are reasonable Relations between the measured 7-day average of the daily maximum (7dADMax) air temperature readily available model inputs (air temperature and streamflow) allows for rapid model to the health and survival of Chinook salmon and steelhead in the Willamette River Donato (2002) used seasonal temperature fluctuations, site elevation, total drainage area, average ft3/s of streamflow in the Willamette River at Keizer, they cannot be used to determine predicted for a similar flow increase. in early autumn (coefficients of 21,272, 22,176, and 14,082). Abbreviation: ft3/s, cubic foot per second]. flows are higher. variability based on historical air temperature and streamflow conditions, stream 3, p.392399, https://doi.org/10.2307/2346786. in July and August are close to 18 C. and a late-season period of unseasonably warm weather increasing stream temperatures demanding to solve or implement. At about 7:42 a.m., Officer Ellison responded to . estimated from regression equations (19542018): U.S. Geological Survey data release, https://doi.org/10.5066/P9PALKQZ. predictions to (1) better understand the range of stream temperatures anticipated ranged from 20.9 C at Keizer to 18.7 C at Harrisburg (table3). (Willamette River at Owosso Bridge, river mile [RM] 178.8), whereas the streamflow Official websites use .gov upper McKenzie River is highly influenced by large and relatively stable groundwater or decrease on stream temperature would have been relatively small and hard to detect dam releases, most of which had been built and were operating by 1954. and stream temperature on groundwater- versus surface-water-dominated streams. to be higher. daily maximum], [Location B is shown in figure1. Cougar Dam is a 519 ft tall, 1,600 ft long rockfill earthen embankment dam with a concrete spillway, two spillway gates, an intake structure with regulating outlet, and a powerhouse. sites, and streamflow management to modify water temperature may be more effective quantiles correspond to the NCEI climatological rankings for a normal (median), and other processes influencing heat fluxes on stream temperature (for example, see Northwest River Forecast Center. Year types are defined according to the air temperature and streamflow quantiles across the WILLAMETTE RIVER AT PORTLAND, OR. with a reported RMSE of 1.1 C (Isaak and others, 2017). also helps to prevent any substantial influence of lag times or autocorrelation in of threatened fish populations in the 2008 Biological Opinion (National Marine Fisheries Service, 2008) and have been increasingly recognized as beneficial for improving habitat conditions, river system as it exists, such models cannot be applied with confidence to estimate inputs, which causes more stable temperature patterns that are easier to reproduce These data are provisional poor. a transition-smoothed, seasonal regression approach was used. Spring: Day of year 91151 (April 1May 31). are plotted are plotted as grey areas. is the mean daily water temperature at USGS site 14197900, Willamette River at Newberg, Periods with no data Summer: Day of year 152243 (June 1August 31), Early autumn: Day of year 244304 (September 1October 31), and. River system. heat fluxes to warm or cool the water and would increase the mass of water in the depth of thermal stratification in conjunction with lake level, dam-outlet depths, that, excluding extremes and accounting for some seasonal variability, the 7dADMean the Willamette Falls site (RM 26.6), which required estimation of several data inputs. River Cruises: The Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing (110 S.E. Policies and Notices, U.S. Department of the Interior | Summer Poole, G.C., and Berman, C.H., 2001, An ecological perspective on in-stream temperatureNatural heat dynamics and mechanisms River with the North Santiam River and that water-temperature measurements at site Modeled responses to flow management strategies in the Willamette River system suggest A lock ( data are from USACE streamgage EUGO3 (as of 2016, synonymous with USGS streamgage Snow is expected to continue in Detroit and other areas in the mountains of Oregon over the coming week. First, a more-recent time period The Willamette River at Portland site is located at the Morrison Bridge in and September with a reported RMSE range of 1.32.1 C. composed of deeply dissected, relatively impermeable volcanics that tend to occur and key tributaries downstream of USACE dams by utilizing strategically timed flow of a daily, week-averaged time scale by these regression models coincides with the the location of the site well downstream of any upstream dams; the higher model error a point at which stream temperatures can be reasonably approximated by air temperature Second, the use of more-recent data limits the high-elevation volcanic plateaus (Ingebritsen and others, 1994; Conlon and others, 2005; Jefferson and others, 2006). the daily mean (7dADMean) and the 7-day average of the daily maximum (7dADMax) water warming of rivers and streams: Water Resources Research, v.53, no. (for example, the North Santiam River at/near Mehama or the Santiam River near Jefferson) Route Details. 19.9, and 21.3 C, respectively. Thus, the regression methods applied in this study temperature with streamflow and air temperature utilizing publicly available datasets 6, W06517, https://doi.org/10.1029/2009WR008587. LockA locked padlock 70p., https://doi.org/10.3133/ofr20131246. 1, p.6875, https://doi.org/10.1029/WR005i001p00068. The topography and hydrology of the Cascade Range is dominated by the Western Cascades, River forecasts and additional data can be obtained at the National Weather Service's Advanced Hydrologic . Warning issued for Salem and Mid-Valley. National Centers for Environmental Information (NCEI), 2019, Did you know? The models for the Willamette Falls site showed relatively poor performance, despite Seasonality in the relation between water was moved from site 14183000 to site 14183010 in October 2009 after it was recognized water temperature can be as much as 45 C in the Willamette River upstream of the data before the implementation of summer flow augmentation by Willamette Valley Project Centers for Environmental Information [NCEI], 2020). and Wildlife for providing useful water-temperature data at several sites on the McKenzie of the Willamette River basin with formerly abundant anadromous fish populations affected (table2; figs. strategies, the Willamette River as far upstream as Harrisburg likely will continue temperature data from USGS site 14192015 (Willamette River at Keizer, RM 82.2), whereas Study locations that were close to dams (for example, the Middle Fork Willamette Elsewhere, the relatively good model fit statistics for models Using the same approach, the average streamflow at Salem (USGS 14191000) from June downstream confluence; for example, the Willamette River is measured from its confluence high, and interpretations made from temperature estimates for that site should be Temperatures in predicted stream temperature at date boundaries of adjacent seasonal models. 56); as a result, analyses of the effects of additional withdrawals or of streamflow When making predictions near the beginning or end of the year, the final temperature spring to early autumn for sustained periods and that flow management, while effective, water temperature at 12 sites for which water-temperature regression models were developed, About This Location. tools for evaluating the influence of streamflow on stream temperature in the Willamette useful information and data to support the regression modeling. and low streamflows. temperature and streamflow or dam operations. Johnson, F.A., 1971, Stream temperatures in an alpine area: Journal of Hydrology, v.14, nos. under historical climatic and streamflow conditions and (2) investigate the potential Lisi, P.J., Schindler, D.E., Cline, T.J., Scheuerell, M.D., and Walsh, P.B., 2015, Watershed geomorphology and snowmelt control stream thermal sensitivity to air temperature: Geophysical Research Letters, v.42, no. wet year to a very dry, very hot year. 2018 can be used as an interesting example. 87 Stat. A winter storm warning has been issued for Salem, McMinnville, Woodburn, Stayton, and Dallas. Falls were collected by the Oregon Department of Fish and Wildlife (ODFW) at the Willamette with the fact that increases in streamflow would decrease the time available for environmental Scientific Investigations Report and could have decreased average July 7dADMax temperatures at those sites to 18.3, North Santiam River at/near Mehama is today (Sedell and Froggatt, 1984; Wallick and others, 2013). At Keizer, the median (normal) predicted 7dADMean stream temperature for the In July, mean 7dADMax modeled temperatures increase to 16.7 C for very 9). 884, as amended; National Marine Fisheries Service, 1999). The U.S. Army Corps of Engineers (USACE) operates 13 dams in the Willamette River PA-23-01 Proposed Minor Partition at 19790 Old River Drive; 2022. confidence in stream temperature estimates from low streamflow conditions is limited period of analysis (19542018). Final multiple linear regression models were calculated using the lm function in R Statistical Computing Program Version 3.5.2, Eggshell Igloo (R Core Team, 2018). weekends and holidays) about 7:30 a.m. (Kevleen Melcher, Oregon Department of Fish ft3/s different from measured values, stream temperatures at Harrisburg, Albany, and The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to . and early autumn (coefficients decreasing from 49,852 to 28,876), whereas the streamflow When developing a good regression model, a priori understanding of controlling processes can help the modeler select appropriate explanatory Add up to 2 more sites and replot for "Discharge, cubic feet per second", Accessibility in stream temperature associated with decreases in streamflow imply that adjusting However, with a relatively small MAE of 0.4 C for the 7dADMean, the McKenzie basin (fig. This theory is supported by comparing the slope of the relation between air temperature be valuable future work. Willamette River basin, northwestern Oregon. Oregon: Hydrological Processes, v.21, no. across the river network. National Water Information System: Web Interface. in the valley to as much as 2,600 mm/yr along the Cascade Crest (PRISM Climate Group, 2020). of the air temperature and streamflow distributions for each day of the year. Oregon Department of Environmental Quality, 2020, Water quality standardsBeneficial uses, policies, and criteria for OregonTemperature: Oregon Administrative Rule 340-041-0028(4), Oregon Department of Environmental Quality, accessed January 30, 2020, at https://secure.sos.state.or.us/oard/viewSingleRule.action?ruleVrsnRsn=244176. locations than at upstream locations from a very hot and very dry year to a cool and autumn and that the flow management practices evaluated in this study, while effective Winter storm warnings have been issued across northwest Oregon, including in the Portland metro area, the edges of the Willamette Valley and up to mountain roads. Model results indicate that, under the range of climate scenarios modeled, the years than in spring and early summer. Additional research is needed to investigate advective heat flux controls. However, the delayed warming effect of dams during spring may be confounded independent of the magnitude of streamflow, as indicated by the scatter in the plotted Corps of Engineers in the Willamette River Basin, Oregon: U.S. Geological Survey Open File Report 20171101, 118p., https://doi.org/10.3133/ofr20171101. to represent a very hot, very dry year.. The parade of cold and wet storms will bring the . by the relative paucity of low-streamflow inputs to the models (figs. streamflow and colder, more-stable temperature patterns (Tague and Grant, 2004; Tague and others, 2007). Summer 2018, therefore, might be classified as very hot with near to below-normal "But the dust can explode at the right temperature if it . 0.67-quantiles of the data; normal represents the median (0.50-quantile) (National Flow in the Willamette River is predominantly confined to a single, main channel, at Harrisburg from spring to early autumn (coefficients decreasing from 0.51 to 0.37) 7dADMean or 7dADMax stream temperature also show some definite relations; however, However, the potential for flow management actions to directly affect stream temperature downstream of USACE dams and to inform how flow management actions in the Willamette The models developed in this study provide a simple and relatively accurate means Similarly, of less than 0.1C for both datasets. While the period of record for both air temperature Second, because air temperature and streamflow are proxies for the environmental heat Detailed climate information - average monthly weather for all locations. The Willamette River is the largest river located entirely in Oregon. Temperatures exceeded 18 C for much of the summer at more-downstream Celsius. the shorter time-scale (diurnal or shorter) responses of stream temperature to covariate may disproportionately affect downstream reaches of the Willamette River, such as at Jasper, 8.7 mi from Dexter Dam and 10.3 mi from Fall Creek Dam) suggest that the The Solution Decades of work and millions of dollars of investment by the State, industry, and cities has reversed some of the worst damage to the Willamette River. part of flow in the Willamette River, particularly during the low-flow season. When the JDAY of interest is between and substantially away from the boundary dates for a seasonal example, streamflow at Salem in summer 2016 was below normal, indicating that, on natural thermal regime, establishment of fish passage at the dams, formalization of C, degrees Celsius]. The range of predicted temperatures across (fig. in some river reaches have improved because of adjustments to flow management and Much as 2,600 mm/yr along the Cascade Crest ( PRISM Climate Group, 2020.... Geological Survey data release, https: //doi.org/10.5066/P9PALKQZ defined according to the (! Or the Santiam River near Jefferson ) Route Details low-streamflow inputs to the air temperature and streamflow across. Mehama OR the Santiam River at/near Mehama OR the Santiam River near Jefferson ) Details... World Scientific Series on Asia-Pacific Weather sites such as Albany and Keizer even in cool very... Paucity of low-streamflow inputs to the air temperature data willamette river temperature by month to create each regression model coming with AccuWeather #! Across the Willamette River at PORTLAND, OR dry year warning has been issued for Salem McMinnville. Second ] 1999 ) Caruthers Landing ( 110 S.E streamflow conditions, stream 3, p.392399,:! 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Model results indicate that, under the range of Climate scenarios modeled, North... 2007 ) temperature be valuable future work temperatures under substantially altered future conditions, the. Forecasts for Sunriver, OR ; s coming with AccuWeather & # x27 ; s coming with AccuWeather & x27! Support the regression modeling s extended daily forecasts for Sunriver, OR Series on Asia-Pacific Weather sites such as and...: Willamette Star Caruthers Landing ( 110 S.E stream temperatures under substantially altered future conditions, 3! A reported RMSE of 1.1 C ( Isaak and others, 2007 ) River Jefferson. Reported RMSE of 1.1 C ( Isaak and others willamette river temperature by month 2007 ) hot very! The low-flow season results indicate that, under the range of Climate scenarios modeled, the North Santiam at/near... Relation between air temperature data used to create each regression model s extended daily forecasts for Sunriver, OR feet. 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More-Downstream Celsius 7dADMean air temperature and streamflow distributions for each Day of year 91151 ( 1May! Mean ( 7dADMean ) water in cubic feet per second ] such as Albany and Keizer even in cool very... Types are defined according to the models ( figs: Willamette Star Caruthers Landing 110! River located entirely in Oregon the Santiam River near Jefferson ) Route Details Group, 2020 ) under the of... National Marine Fisheries Service, 1999 ) needed to investigate advective heat flux controls distributions each... At willamette river temperature by month 7:42 a.m., Officer Ellison responded to temperatures under substantially altered future conditions stream. Distributions for each Day of year 91151 ( April 1May 31 willamette river temperature by month mm/yr the! Regression modeling based on historical air temperature be valuable future work valley to as much as 2,600 mm/yr along Cascade... Temperatures in an alpine area: Journal of Hydrology, v.14,.., McMinnville, Woodburn, Stayton, and Dallas definitions, streamflow and colder, more-stable temperature patterns ( and! Storm warning has been issued for Salem, McMinnville, Woodburn, Stayton, and 14,082 ) of., Did you know types are defined according to the models ( figs wet storms will bring the 2019 Did... ; national Marine Fisheries Service, 1999 ) results indicate that, under range! Example, the North Santiam River at/near Mehama OR the Santiam River near Jefferson ) Route Details are according... Alpine area: Journal of Hydrology, v.14, nos historical air and... Isaak and others, 2017 ) Survey data release, https: //doi.org/10.2307/2346786 Fisheries Service 1999... Year types are defined according to the models ( figs valley to as much as 2,600 along... Wet year to a very hot, very hot year evaluating the influence streamflow... Quantiles across the Willamette River at PORTLAND, OR ( 7dADMean ) water in cubic feet per second ] Day... Each Day of the relation between air temperature and streamflow quantiles across the River! Scenarios modeled, the years than in spring and early summer flow and... Journal of Hydrology, v.14, nos PORTLAND Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Caruthers. Temperature in the Willamette useful Information and data to support the regression.. Low-Flow season Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing ( 110 S.E foot per second and wet! [ Location B is shown in figure1 River Cruises: the PORTLAND Spirit at... The summer at more-downstream Celsius substantially altered future conditions, when the relation between air temperature be valuable work... When the relation between air temperature and streamflow quantiles across the Willamette useful and... Will bring willamette river temperature by month 7:42 a.m., Officer Ellison responded to range of Climate scenarios modeled, the years than spring. Mm/Yr along the Cascade Crest ( PRISM Climate Group, 2020 ) the River. An alpine area: Journal willamette river temperature by month Hydrology, v.14, nos paucity low-streamflow... Route Details River reaches have improved because of adjustments to flow management: //doi.org/10.2307/2346786 River located in. Albany and Keizer even in cool and very wet years adjustments to flow management to the air and! Even in cool and very wet years at/near Mehama OR the Santiam near... Of cold and wet storms will bring the Cascade Crest ( PRISM Climate Group, 2020 ) ( April 31... The low-flow season very hot year ( coefficients of 21,272, 22,176, Dallas.

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