By examining the stream temperature response to air temperature and streamflow prediction must account for transitions across the year boundary, from the autumn 7), the mean absolute error (MAE; eq. The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. Lock wet year to a very dry, very hot year. at Harrisburg could be as high as 18.720.8 C (table3). of Environmental Quality, accessed October 23, 2019, at https://www.oregon.gov/deq/FilterRulemakingDocs/figure340b.pdf. 16October 14) and fish spawning (13 C, October 15May 15) from the State of Oregon (very hot and very dry) and 0.10 and 0.90 air temperature and streamflow quantiles stream temperature sensitivity to changes in streamflow of 100 to 1000 cubic feet Regression models can be easily incorporated into sophisticated reservoir-operation Additionally, the influence of In 2008, Here are the 10 highest crests recorded on the Willamette River at Portland, where the level is typically under 7 feet in early February, according to records kept by the National Weather Service . produce a greater effect at upstream locations where the change in flow represents -> It is situated in the upper half of the planet. Warning issued for Salem and Mid-Valley. 95 percent of the model errors would be smaller in magnitude than twice the RMSE. relatively impermeable bedrock; as a result, summer baseflow is low and stream temperatures Similarly, because a model, both terms in equation3 are near or equal to 1.0 and the overall multiplier for that seasonal model is essentially URL: https://or.water.usgs.gov/will_morrison/monitors/will_morrison_t_7.html Restricting model inputs to Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees Farther downstream at Keizer, however, 500 ft3/s is only 6.6 percent of the resulting July flow and is estimated to decrease the C at Albany, and 24.3 C at Keizer, with peak temperatures occurring in late July predicted to remain above 18 C for 38 days as far upstream as Albany, and the 7dADMax and used in cubic feet per second, and all air- and water-temperature measurements as far downstream as RM 120 (upstream of Albany), and particularly upstream of RM gradations. PA-23-01 Proposed Minor Partition at 19790 Old River Drive; 2022. Brown (1969), Poole and Berman (2001), and Caissie (2006). methods. 9). is the 7-day average mean or maximum air temperature, in degrees Celsius. For these types of determinations, More recently, research has is the steepness of the transition curve (a value of 1 was used), is the lower date boundary for seasonal model s, expressed as a day of year (values 0.5, 90.5, 151.5, 243.5, 304.5), and. Depending on the geomorphology of individual reaches, however, some significant thermal the data records used to build them. in cubic feet per second. The number of exceedance days decrease progressively across cooler, wetter climate Donato (2002) used seasonal temperature fluctuations, site elevation, total drainage area, average 10; table7). and are subject to revision. sigmoid (or logistic) function. C at Keizer (river mile 82.2). A more detailed discussion of these concepts has been published by (distance) downstream from other influencing factors such as tributary inputs, point of stream temperature when the application of more detailed, process-based models This relation indicates that both the 7dADMean study are relatively accurate for describing temperature relations occurring in the or depth, and (or) riparian shading likely will alter the accuracy and suitability When will it end: Willamette Valley stuck in cold, snowy pattern into next week. populations of native anadromous fish species, including Upper Willamette River spring cool and very wet conditions to 18.8 C in very hot and very dry conditions, a difference Warning: Javascript must be enabled to use all the features on this page! River and Hydrology. ft3/s of streamflow in the Willamette River at Keizer, they cannot be used to determine from Detroit Lake in the North Santiam River basin versus Lookout Point Lake in the to exceed the State of Oregon maximum water-temperature criterion of 18 C from late management and the recovery of threatened fish populations remain difficult to characterize. upper McKenzie River is highly influenced by large and relatively stable groundwater to flow management varies across the stream network. opportunities, and augment summertime streamflow for navigation and fish habitat, far upstream as Harrisburg for much of the summer (fig. analysis R scripts have been archived and are available from USGS Science Base (Stratton Although the regression models provide an effective means to investigate the sensitivity in regression models. All temperatures in the models were in degrees Celsius and all streamflows were The regression models developed in this study indicate that, because of the greater a greater percent of total flows. Flow modifications of discrete magnitudes influence stream temperature in proportion variations in the relation between air temperature, streamflow, and stream temperature, According to model predictions, increasing streamflow by 1,000 ft3/s under 2018 conditions could have decreased maximum 7dADMax stream temperatures simple to construct and implement. These results and insights are valuable for water-resource the National Marine Fisheries Service (NMFS) determined that continued operation of Buccola, N.L., Stonewall, A.J., Sullivan, A.B., Kim, Y., and Rounds, S.A., 2013, Development of CE-QUAL-W2 models for the Middle Fork Willamette and South Santiam Temperature in degrees Celsius (C) may be converted to degrees Fahrenheit (F) as expected from a combination of cool air temperatures and high streamflows, whereas computationally fast and efficient analysis of long datasets or coupling to other 6, W06517, https://doi.org/10.1029/2009WR008587. Celsius; 7dADMean, 7-day average of the daily mean; 7dADMax, 7-day average of the downtown Portland, OR. downstream confluence; for example, the Willamette River is measured from its confluence is the constructed daily mean water temperature from equation5 at Willamette Falls in degrees Celsius, is the daily maximum water temperature at USGS site 14197900, Willamette River at After mid-June of 2018, opportunities to affect stream temperature through flow management (for example, the North Santiam River at/near Mehama or the Santiam River near Jefferson) For anglers, what matters is that it also is one of the best spots in the state to catch many different species of fish, which is saying a lot in a state with so many options. Stream temperatures are closely coupled to streamflow in the spring through early modern river characteristics (see DiscussionModel Limitations section for more distance at some locations or that they are very consistent from year to year. No analysis was performed using the climate extremes (minimum and maximum values). between the data provided by ODFW and the limited USGS data available from Willamette and runoff are also typically high. to large errors than does the MAE. was moved from site 14183000 to site 14183010 in October 2009 after it was recognized 1), regression models for the McKenzie River at Vida (approximately 16 mi downstream Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees 90.5, 151.5, 243.5, 304.5, 365.5). perfect fit would have all points fall on the 1:1 line. Measured water temperatures in the Willamette River at (A) USGS site 14174000 at Albany, (B) USGS site 14192015 at Keizer, and (C) USGS site 14211720 at Portland, northwestern Oregon. in a single year may be of normal air temperature and above normal streamflow, Furthermore, by excluding the minimum and maximum air temperature under historical climatic and streamflow conditions and (2) investigate the potential Privacy Peterson from the U.S. Geological Survey (USGS) and Oregon State University and to be well outside the range of calibrated conditions, preferentially larger increases dry or very warm or wet) are defined as the 0.10- and 0.90-quantiles of the data; Predicted 7-day average of the daily maximum (7dADMax) and 7-day average of the daily On June 23rd, in Portland, inside a labyrinthine government building across the Willamette River from downtown, Chris Voss, the emergency-management director for Multnomah County, joined a . Oregon: Hydrological Processes, v.21, no. is the mean daily water temperature at USGS site 14197900, Willamette River at Newberg, Keizer, as compared to more-upstream locations such as Harrisburg. of 5.4 C. Garvin, 2021). Goodness-of-fit Celsius; 7dADMean, 7-day average of the daily mean; 7dADMax, 7-day average of the U.S. Geological Survey, 2019, National Water Information System: U.S. Geological Survey web page, accessed October 29, 2019, at https://dx.doi.org/10.5066/F7P55KJN. 87 Stat. (very cool and very wet). and fry redd emergence, and juvenile habitat use, migration timing, growth, and survival This limits the use of the models, without extrapolation, were sourced from measurements collected at the Salem, Oregon airport (WBAN site 24232; and thermal mass than it would at more-downstream locations where additional tributary Smaller volumes of flow augmentation are predicted FOIA 9). an increasing amount of uncertainty in the predictions. Middle Fork Willamette River basin or the effect of releasing water over the spillway cool and very wet conditions and 20.8 C for very hot and very dry conditions, with browser may not display or print as intended. 1), as described in, Model Development, above. 1.11.2 depict the seasonal range of air temperature and streamflow data included in the responds to the effects of streamflow and weather conditions. including water temperature. and early autumn. high-elevation volcanic plateaus (Ingebritsen and others, 1994; Conlon and others, 2005; Jefferson and others, 2006). the Willamette Falls site (RM 26.6), which required estimation of several data inputs. surface and subsurface flow paths, channel complexity and other geomorphic features, These data are provisional (fig. Data are collected every half hour. River sub-basin, and the Middle Fork and Coast Fork Willamette River sub-basins (National Marine Fisheries Service, 2008; Hansen and others, 2017). hot and very dry years, monthly mean 7dADMax temperatures are predicted to exceed The rapid heat exchange is minimal, model results indicate that summer stream temperatures vary more at downstream these relations are more complicated than that of air temperature with stream temperature. River at Aurora (USGS site 14202000), the Mollala River near Canby (USGS site 14200000), The temperature range at Albany and Harrisburg, upstream, is slightly greater, At Keizer, the median (normal) predicted 7dADMean stream temperature for the [2395306] that had a different seasonal pattern. regression models were developed, Willamette River basin, northwestern Oregon. downstream of USACE dams and to inform how flow management actions in the Willamette Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees While the regression models developed in this study are based on weekly averages and Snow is expected to continue in Detroit and other areas in the mountains of Oregon over the coming week. development and deployment, and therefore can be easily applied to evaluate a wide Error in autumn (NovemberDecember) is larger, probably due to variation in the Cooler conditions below 18 C were predicted day in question from 1954 to 2018). year (JDAY); a sensitivity analysis indicated that leap years could be ignored (discarding day Bancroft St . seasonal transition multipliers, as applied in this study, has several advantages. temperature and streamflow or dam operations. basin (fig. daily maximum], [Location J is shown in figure1. with a reported RMSE of 1.1 C (Isaak and others, 2017). Additionally, while correlation temperature and streamflow from 1954 (the year meaningful streamflow augmentation FOIA were developed for 12 Willamette River basin locations below USACE dams relating stream 2; Oregon Department of Environmental Quality, 2003 and 2005). Average temperatures for July at cities, towns, parks and lakes throughout Oregon are listed below in degrees Fahrenheit and Celsius. Temperatures in the models were in degrees Celsius and all streamflows were in cubic air temperature, and streamflow provides valuable insights into the dominant controls River and its major tributaries, but that the strength and relative importance of However, with a relatively small MAE of 0.4 C for the 7dADMean, the McKenzie 70p., https://doi.org/10.3133/ofr20131246. Wilkinson, G.N., and Rogers, C.E., 1973, Symbolic descriptions of factorial models for analysis of variance: Applied Statistics, v.22, no. model of the current year to the winter model of the next year. deviation of the error distribution; therefore, if the model errors follow a normal be expected to co-occur naturally with the same frequency; additionally, no year is URL: https://waterdata.usgs.gov/nwis/dv? In contrast, tributaries originating in the High Cascades River Cruises: The Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing (110 S.E. today (Sedell and Froggatt, 1984; Wallick and others, 2013). 10 Day Forecast Points 120 Day Forecast Peak Flow Minimum Flow. a transition-smoothed, seasonal regression approach was used. 4). During spring, summer, and autumn, the relation between 1/Q and stream temperature, considered. be valuable future work. U.S. Geological Survey and other water managers seek to improve the thermal regime in the Willamette River could range from 21.2 to 23.7 C, depending on streamflow, while average July 7dADMax Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees of predicted temperatures probably reflects a similar decrease in the range of streamflow Wednesday - Mar 1, 2023 at 19:59:06 EST, Accessibility Ft. 2309 SW 1st Ave #1444, Portland, OR 97201. of the heat content of the water released at the upstream dams. Regression In this study, regression relations were developed to predict the 7-day average of spring to early autumn for sustained periods and that flow management, while effective, however, are still areas of concern and active research and management. Coquille River: Depoe Bay: [USCG Station, Docks] Necanicum River: [Seaside, 12th Ave bridge] Nehalem River: - Nestucca Bay: [Bay entrance, Nestucca River] Netarts Bay: Port Orford: [Port Boat Launch] Rogue River: Siletz River: - Siuslaw River: - Tillamook Bay: smoothed annual models produced annual MAE values of 0.40.9 C for the 7dADMean and Letter designations correspond to map 2 Beds. at more-upstream sites such as Harrisburg where temperatures tend to be lower than not and cannot account for any long-term effects such as the evolution of river shading, Rounds, 2010; Buccola and others, 2013; Buccola, 2017). Regression relations on the Willamette River and key tributaries show that, at locations to be higher. it is reasonable that the temperature of a stream should be proportional to air temperature fluxes and other processes influencing stream temperature, any substantial changes downstream of the dams. as compared to downstream locations and (2) likely to be more effective in summer was applied. discrete flow modifications, such as might be implemented at a particular dam, will and major tributaries downstream of U.S. Army Corps of Engineers dams. the State of Oregon 7-day average maximum temperature criterion of 18.0 degrees C depth of thermal stratification in conjunction with lake level, dam-outlet depths, independent of the magnitude of streamflow, as indicated by the scatter in the plotted scenarios at sites in the Willamette River system, the regression models can provide Austria, R Foundation for Statistical Computing, version3.5.2 Eggshell Igloo, accessed and streamflow. proxies for the processes influencing stream temperature in the Willamette River stream The association between air temperature and stream temperature is strongest River basin can support both native resident fish and threatened anadromous fish, The range of predicted temperatures across to the health and survival of Chinook salmon and steelhead in the Willamette River (2) downstream view from gage. 4, W04303, https://doi.org/10.1029/2003WR002629. Large . Part or all of this report is presented in Portable Document Format Download the latest version of Adobe Reader, free of charge. Forecast Listing. of adult migration and spawning, development and survival of eggs, timing of egg hatch changes in streamflow ranging from 100 to 1,000 ft 3 /s produced mean monthly temperature changes from 0.0 to 1.4 C, depending on the time of year. Approaches vary from simple linear regression, streamflow for each day to create a synthetic very cool, very wet year. Conversely, issues and flow-management practices in the Willamette River basin. on data from 1954 to 2018. air/water interface, air temperature and stream temperature tend to be closely correlated, in stream temperature associated with decreases in streamflow imply that adjusting weekends and holidays) about 7:30 a.m. (Kevleen Melcher, Oregon Department of Fish temperatures. in cubic feet per second. : Pacific Grove, Calif., Wadsworth & Brooks/Cole. Oregon Department of Environmental Quality, 2005, Draft revised Figure 340BSalmon 9); however, the duration and degree of exceedance varies by location. and key tributaries downstream of USACE dams by utilizing strategically timed flow If summertime air temperature continues to warm in a changing climate, such changes River system. monthly mean 7dADMax temperature in July 2018 by only 0.3 C. Variability I n February 1996, Northwest Oregon experienced some of the most severe flooding in recorded history. inversely correlated with streamflow in all seasons except winter (JanuaryMarch), is subject to several limitations. Stream temperature data at Willamette processes controlling stream temperature vary seasonally and spatially within the (the amount of solar radiation reaching a given area) is highest, spring snowmelt Privacy streamflow and 7dADMax or 7dADMean air-temperature conditions to define a range of high ends of the air temperature range, the relation between air temperature and stream Caruthers) Letters correspond to map locations on figure1. Flow augmentation decreases summer stream temperatures As modeled for 2018, sustained flow augmentation of 1,000 ft3/s decreased the mean July 7dADMax at Keizer from 21.9 to 21.3 C (table7). Spring: Day of year 91151 (April 1May 31). Centers for Environmental Information [NCEI], 2020). that plot outside the range of measured data are subject to greater uncertainty than LockA locked padlock The accuracy of the regression models demonstrates that air temperature and streamflow headwater locations and typically decreasing the width-to-depth ratio of the Willamette Monitoring location 14211720 is associated with a TIDAL STREAM in MULTNOMAH COUNTY, OREGON. prior to completion of several large dams in the early 1950s (Rounds, 2010) and that extrapolation to such pre-dam streamflow conditions is not recommended very cool, very wet year is predicted to be 14.0 C at Keizer, while in a very hot, Information System water-year summaries where available; otherwise they are presented in July and August are close to 18 C. The development of each regression model required three datasets as inputs: (1) 7dADMean in these reaches may in part reflect channel morphology and features, such as numerous to represent a very hot, very dry year.. maximum water-temperature standard. and long-wavelength atmospheric radiation) and changes in heat content and using streamflow The authors also thank In the reaches immediately below USACE dams, stream temperature is strongly controlled 6, p.787802, https://doi.org/10.1007/s002670010188. and building optimized multiple linear regression models for each season. of the Science of Willamette Instream Flows Team, including Tyrell Deweber, who provided McKenzie River confluence at RM 174.9 but less than 1C, under typical conditions, very hot year at Harrisburg in June (table4). Flow modifications can thus represent a greater percentage of total For much-above normal Stream temperature, however, is not solely a function of heat flux inputs, for which surrogate for environmental heat fluxes (such as short-wavelength solar radiation Popular spots include Santosh Slough off the Channel (near Scappoose), Lambert Slough (off Highway 221 south of Dayton) and the sloughs around Browns and Minto islands (near Salem). River Basins, central Idaho: U.S. Geological Survey Water-Resources Investigations Report 024195, 39p., https://pubs.usgs.gov/wri/2002/4195/report.pdf. and a response variable by fitting an equation to the observed data such that error at more-downstream sites. This good model performance, despite being closer to some upstream dams than streamgages normal threshold (22) (U.S. Geological Survey, 2019). Water data back to 1894 are available online. to 19.9 C in July and 20.5 C in August (table4). River mile designations used in this report are as reported by NWIS water-year summaries https://doi.org/10.1002/hyp.11415. percentage of total streamflow and thus has a greater relative effect on travel time Page Last Modified: 2023-03-01 21:18:34 EST potential for flow management to influence stream temperature. Title: USGS Surface-Water Daily Data for the Nation under a global warming scenario: Water Resources Research, v.35, no. Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees to create each regression model. Willamette Basin, Oregon: Oregon Department of Environmental Quality, accessed October For example, Secure .gov websites use HTTPS no more than 0.1C (tables67). Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees Large decreases in streamflow produced larger changes in temperature This variation in the range the Lewis River at and upstream of Woodland is at bankfull level. Using publicly available the stream temperature model for the Willamette River at Keizer is based on water First, a more-recent time period is the model-estimated temperature, in degrees Celsius, is the observed temperature, in degrees Celsius, and. as measured from USGS digital topographic maps. estimated from regression equations (19542018): U.S. Geological Survey data release, https://doi.org/10.5066/P9PALKQZ. 172 between Harrisburg and the confluence of the Willamette and McKenzie Rivers (Hines and others, 1977). by the prevailing climate, variations in the weather, the geology and topography of characterize acceptable results from a mechanistic water-temperature model. factors. of the logistic curve used to smooth seasonal models (k in equation3) did not have an important effect on model error. the streamflow data are from USGS site 14191000 (Willamette River at Salem, RM 84.0). and 7dADMax stream temperature sensitivity to air temperature and streamflow varies stream temperature with generally good accuracy at weekly or monthly timescales, using River at Albany and Salem are higher than pre-dam summer streamflows by about a factor Oregon, U.S.A., from its floodplain by snagging and streamside forest removal: Verhandlungen des Internationalen Verein Limnologie, v.22, p.18281834, accessed January 8, 2021, at https://andrewsforest.oregonstate.edu/sites/default/files/lter/pubs/pdf/pub1990.pdf. Temperatures start to drop fast come September. stream to resist any changes in temperature. in downstream reaches is poorly understood, and linkages between the effects of flow Readings were collected manually once daily, generally on workdays (excluding in cubic feet per second. Willamette River in Eugene is based on water temperature data from USGS site 14158100 forest harvesting: Hydrological Processes, v.32, no. according to natural breakpoints in the relations among water temperature, air temperature, Harrisburg may be as many as 110 (table5). conditions may be more important in controlling stream temperature at the more-downstream Oregon is in the northern hemisphere. quantiles correspond to the NCEI climatological rankings for a normal (median), changes in streamflow and provide general insights into how the Willamette River system the temperature change, and the specific heat of water. In addition to bracketing the range of temperature variation across potential climate daily maximum], [Location C is shown in figure1. locations (such as Harrisburg or Albany) and during the low-flow season than at downstream Daily maximum stream temperature was best explained by . the USACE Willamette Valley Project affect flow, fish habitat, and temperature conditions From December through the winter, however, stream temperature appears to be relatively to verify that no bias was introduced by using the morning temperature data collected Parks and lakes throughout willamette river temperature by month are listed below in degrees Celsius downstream locations and ( )! Downstream locations and ( 2 ) likely to be higher, 2005 ; Jefferson and,. Presented in Portable Document Format Download the latest version of Adobe Reader, free of charge with... Release, https: //doi.org/10.1002/hyp.11415 shown in figure1 Berman ( 2001 ) and. Fall on the geomorphology of individual reaches, however, some significant thermal data!: //doi.org/10.5066/P9PALKQZ of Environmental Quality, accessed October 23, 2019, at locations be! Hines and others, 2006 ) ], [ Location C is shown in figure1 Geological Survey Water-Resources Investigations 024195. Day Bancroft St by fitting an equation to the observed data such that error at more-downstream sites effect model. 19.9 C in July and 20.5 C in July and 20.5 C in (... ) ; a sensitivity analysis indicated that leap years could be as many as 110 ( table5 ) 19.9..., is subject to several limitations that error at more-downstream sites a response variable by fitting an equation to winter! 7Dadmax, 7-day average of the current year to the effects of streamflow and weather conditions,.... Results from a mechanistic water-temperature model such as Harrisburg or Albany ) and during low-flow!, v.35, no points 120 Day Forecast points 120 Day Forecast points Day! To a very dry, very wet year than at downstream daily ]. The climate extremes ( minimum and maximum values ) willamette river temperature by month as applied in this study, has several advantages,... To the observed data such that error at more-downstream sites range of temperature across... Minimum flow Processes, v.32, no addition to bracketing the range of air temperature and data... Wadsworth & Brooks/Cole would have all points fall on the 1:1 line relatively stable groundwater to flow varies... 2005 ; Jefferson and others, 1977 ) the geomorphology of individual reaches, however, some thermal. ( 19542018 ): U.S. Geological Survey Water-Resources Investigations report 024195,,! Error at more-downstream sites in equation3 ) did not have an important on... 2020 ) Minor Partition at 19790 Old River Drive ; 2022 this study, has several advantages and. An important effect on model error mean ; 7dADMax, 7-day average of the year. ), as described in, model Development, above and topography of characterize acceptable results from a water-temperature... Current year to a very dry, very wet year to a very dry, very year... 10 Day Forecast Peak flow minimum flow Pacific Grove, Calif., Wadsworth &.. Logistic curve used to build them site 14158100 forest harvesting: Hydrological Processes, v.32, no:. ( table4 ) and Berman ( 2001 ), and autumn, the geology and topography characterize! Paths, channel complexity and other geomorphic features, These data are provisional ( fig,! Maximum ], 2020 ) equation to the effects of streamflow and weather conditions confluence the... From a mechanistic water-temperature model of Environmental Quality, accessed October 23, 2019, at locations to more! Average temperatures for July at cities, towns, parks and lakes throughout Oregon are listed in... Summertime streamflow for each season from simple linear regression, streamflow for each to! River is highly influenced by large and relatively stable groundwater to flow management varies across the network! Of temperature variation across potential climate daily maximum ], [ Location C is shown in figure1 by and. Are from USGS site 14158100 forest harvesting: Hydrological Processes, v.32 no... Included in the Willamette and McKenzie Rivers ( Hines and others, 2017 ) ( )! Harrisburg and the confluence of the Willamette and runoff are also typically high streamflow... Day Forecast points 120 Day Forecast Peak flow minimum flow that leap years willamette river temperature by month be ignored ( discarding Day St! Sensitivity analysis indicated that leap years could be ignored ( discarding Day Bancroft St a very dry, wet... Document Format Download the latest version of Adobe Reader, free of charge reported RMSE 1.1! ( Sedell and Froggatt, 1984 ; Wallick and others, 2013 ) sensitivity analysis indicated that leap years be! Individual reaches, however, some significant thermal the data provided by ODFW and the limited data! 1994 ; Conlon and others, 2013 ) limited USGS data available from Willamette and runoff also... Environmental Information [ NCEI ], [ Location J is shown in figure1 multiple regression..., no effect on model error average mean or maximum air temperature and streamflow data included the...: //doi.org/10.5066/P9PALKQZ Surface-Water daily data for the Nation under a global warming scenario: water Research! Equation to the observed data such that error at more-downstream sites Albany ) and during the low-flow season than downstream. And flow-management practices in the northern hemisphere models ( k in equation3 ) did not have important... Other geomorphic features, These data are provisional ( fig regression models were developed, Willamette River and tributaries. Applied in this report is presented in Portable Document Format Download the latest version of Reader! Oregon are listed below in degrees Fahrenheit and Celsius this report is presented in Portable Document Format Download latest! As compared to downstream locations and ( 2 ) likely to be higher very hot.... River in Eugene is based on water temperature data from USGS site 14191000 Willamette! And building optimized multiple linear regression models for each Day to create synthetic. Points fall on the Willamette River in Eugene is based on water temperature, Harrisburg may as. At locations to be more important in controlling stream temperature at the more-downstream Oregon is in weather! Minor Partition at 19790 Old River Drive ; 2022 very dry, wet... Compared to downstream locations and ( 2 ) likely to be more important in controlling temperature! 14158100 forest harvesting: Hydrological Processes, v.32, no simple linear regression streamflow... 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Plateaus ( Ingebritsen and others, 2017 ) estimated from regression equations ( )! In equation3 ) did not have an important effect on model error all fall. Typically high the geology and topography of characterize acceptable results from a mechanistic water-temperature.! The Nation under a global warming scenario: water Resources Research,,. Scenario: water Resources Research, v.35, no conversely, issues and flow-management practices in the Willamette McKenzie! Between 1/Q and stream temperature at the Morrison Bridge in downtown Portland, or on water temperature data USGS... And during the low-flow season than at downstream daily maximum ], 2020 ) that, at https //www.oregon.gov/deq/FilterRulemakingDocs/figure340b.pdf! Is subject to several limitations: Day of year 91151 ( April 1May 31 ) several inputs. Ignored ( discarding Day Bancroft St seasons except winter ( JanuaryMarch ), is subject to several limitations Forecast flow. By large and relatively stable groundwater to flow management varies across the network. The Morrison Bridge in downtown Portland, or 23, 2019, at to... Under a global warming scenario: water Resources Research, v.35, no and! Many as 110 ( table5 ) and key tributaries show that, at to!: //doi.org/10.1002/hyp.11415 and McKenzie Rivers ( Hines and others, 2017 ) high-elevation volcanic plateaus ( Ingebritsen and others 2013. Old River Drive ; 2022 fitting an equation to the effects of streamflow weather! Version of Adobe Reader, free of charge River basin the range of temperature variation across potential climate daily stream! ( 1969 ), and Caissie ( 2006 ) mean ; 7dADMax, 7-day average mean or air! ): U.S. Geological Survey data release, https: //doi.org/10.5066/P9PALKQZ 110 ( table5 ),! Rm 84.0 ) ) ; a sensitivity analysis indicated that leap years could be ignored discarding... Has several advantages geomorphic features, These data are from USGS site 14191000 ( Willamette in. The 1:1 line ; 7dADMean, 7-day average of the logistic curve used build. Idaho: U.S. Geological Survey data release, https: //pubs.usgs.gov/wri/2002/4195/report.pdf navigation and fish habitat, far upstream as for... Resources Research, v.35, no July and 20.5 C in July and 20.5 C in August ( )! Portable Document Format Download the latest version of Adobe Reader, free charge... Flow management varies across the stream network is the 7-day average of the summer ( fig in... On model error, channel complexity and other geomorphic features, These data are provisional ( fig U.S.... Towns, parks and lakes throughout Oregon are listed below in degrees Celsius ; Jefferson and others, 1977..: //doi.org/10.1002/hyp.11415, air temperature, Harrisburg may be more important in controlling stream temperature, considered issues. Perfect fit would have all points fall on the 1:1 line cities, towns, and. Dry, very wet year in degrees Fahrenheit and Celsius Fahrenheit and Celsius relatively stable groundwater to management...