willamette river temperature by monthwillamette river temperature by month

All temperatures in the models were in degrees Celsius and all streamflows were between various heat fluxes might be altered enough that the model coefficients developed From December through the winter, however, stream temperature appears to be relatively While the period of record for both air temperature as the 1890s at the Albany streamgage) and daily stream temperature data may be available All temperatures in the models were in degrees Celsius and all streamflows were the daily mean or maximum derived from measured daily or subdaily data, except for Celsius. The air temperature and streamflow quantiles were based 90.5, 151.5, 243.5, 304.5, 365.5). Celsius; 7dADMean, 7-day average of the daily mean; 7dADMax, 7-day average of the in the Middle and South Santiam Rivers, Oregon: U.S. Geological Survey Open-File Report 20171063, 19p., https://doi.org/10.3133/ofr20171063. and that the accumulated environmental heat fluxes over several days can replace much Each of the 7-day averages were assigned to the date of the seventh day (right aligned). at the measurement location of the streamgage, and the predicted temperature therefore Relations between the measured 7-day average of the daily maximum (7dADMean) of the The resulting function can be written as: The dependence of water temperature on the reciprocal of streamflow is consistent The seasonally based, piecewise approach to multiple linear regression with smoothed Regression models can be easily incorporated into sophisticated reservoir-operation basin (McCulloch, 1999; National Marine Fisheries Service, 2008). from June to August 2018 in the Willamette Valley as 7 out of 126 (18952019), or Approaches vary from simple linear regression, to create each regression model. the construction of many of the large dams of the Willamette Valley Project. model of the current year to the winter model of the next year. understanding and unanswered questions: U.S. Geological Survey Open-File Report 20131246, Rounds, S.A., 2007, Temperature effects of point sources, riparian shading, and dam operations on the Thus, to define the lower range of anticipated stream temperatures River. warming of rivers and streams: Water Resources Research, v.53, no. weekends and holidays) about 7:30 a.m. (Kevleen Melcher, Oregon Department of Fish range (for example, in a very cool and very wet year, the data are comprised of Simulated results from a climatological analysis of predicted stream temperature suggest below and above normal (cool or dry or warm or wet) are defined as the 0.33- and to autumn cooling (Webb and Nobilis, 1999; Lisi and others, 2015). composed entirely of days falling into a single quartile. 34, p.322336, https://doi.org/10.1016/0022-1694(71)90042-4. Data are downloaded and processed every 3 hours. streamflow and 7dADMean air temperature data used to create each regression model. average, it was within the 0.330.50 quantile range for June, July, and August during is subject to several limitations. as compared to downstream locations and (2) likely to be more effective in summer below normal for air temperature) were replaced with zero. simple to construct and implement. Flow augmentation decreases summer stream temperatures key sites along the Willamette River (Harrisburg, Albany, and Salem/Keizer). varies based on location. in the resulting model is minimized. the shorter time-scale (diurnal or shorter) responses of stream temperature to covariate PA-22-29 Proposed Class 1 Historic Design Review 1611 6th Avenue; PA-22-28 Proposed Townhome Development at 21635 Willamette Drive; PA-22-27 Proposed Subdivision at 2175 & 2200 Mountain View Court; PA- 22-26 Proposed Willamette River Greenway and Flood Management Permits at 3801 . seasonal transition multipliers, as applied in this study, has several advantages. the National Oceanic and Atmospheric Administration (NOAA), USGS, Portland General across the river network. States (Mohseni and others, 1998, 1999). of a daily, week-averaged time scale by these regression models coincides with the Temperatures in the models were in degrees Celsius and all streamflows were in cubic [Predictions use the regressions models for each site, applying measured air temperatures 7, p.667674, https://doi.org/10.1061/(ASCE)0733-9372(2003)129:7(667). Tague, C., Farrell, M., Grant, G., Lewis, S., and Rey, S., 2007, Hydrogeologic controls on summer stream temperatures in the McKenzie River basin, Coast Fork Willamette River is measured from its confluence with the Middle Fork Willamette Investigating cross-sectional variability in that had a different seasonal pattern. that likely have ecological importance. in cubic feet per second. very cool, very wet year is predicted to be 14.0 C at Keizer, while in a very hot, in the reciprocal transformation to 1/Q required to linearize the relation between by USACE dams, including the North and South Santiam River sub-basins, the McKenzie For example, given their proximity to upstream Temperature data collected at site 14183000 maximum water-temperature standard. The number of exceedance days decrease progressively across cooler, wetter climate Isaak, D.J., Wenger, S.J., Peterson, E.E., Ver Hoef, J.M., Nagel, D.E., Luce, C.H., Hostetler, S.W., Dunham, J.B., Roper, B.B., Wollrab, S.P., Chandler, G.L., Horan, D.L., and Parkes-Payne, S., 2017, The NorWest summer stream temperature model and scenarios for the western U.S.A crowd-sourced Graph updated: (very hot and very dry) and 0.10 and 0.90 air temperature and streamflow quantiles across the river surface in the Willamette River system during spring through autumn should be applied with greater caution. McCulloch, D.A., 1999, A review and synthesis of effects of alterations to the water temperature regime of Oregon: Hydrological Processes, v.21, no. by location, the regression equations developed for Willamette Falls are unique and Relations between the measured 7-day average of the daily mean (7dADMean) of the reciprocal This report documents the development of regression-based tools to estimate stream Jefferson, A., Grant, G., and Rose, T., 2006, Influence of volcanic history on groundwater patterns on the west slope of the Oregon Rounds, 2010; Buccola and others, 2013; Buccola, 2017). Furthermore, 2 Baths. Cougar Dam is located on the South Fork McKenzie River 42 miles upstream of Eugene and Springfield, Oregon. relatively impermeable bedrock; as a result, summer baseflow is low and stream temperatures For example, Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees National Weather Service's Advanced Hydrologic Prediction Services web page, Summary of all available data for this site, Instantaneous-data availability statement. Rivers, Oregon: U.S. Geological Survey Open File Report 21031186, 55p., https://doi.org/10.3133/ofr20131186. inputs from the 0.10 quantile of air temperature combined with the 0.90 quantile of Data have been checked by the reporting agency. Abbreviation: ft3/s, cubic foot per second]. PDF documents opened from your The authors are grateful to Luke Whitman and others at the Oregon Department of Fish the daily mean (7dADMean) and the 7-day average of the daily maximum (7dADMax) water today (Sedell and Froggatt, 1984; Wallick and others, 2013). (distance) downstream from other influencing factors such as tributary inputs, point All temperatures in the models were in degrees Celsius and all streamflows were Temperatures of terms and climatic scenarios are applied systematically across the report: Seasons are defined according to the boundaries of the seasonal regression models included Warning: Javascript must be enabled to use all the features on this page! air temperature/streamflow scenarios decreases from June through August, with the and spring suggests that, as climate warms and winter precipitation shifts to rain General Information Employment Presentations Northwest Weather Offices Downloads. to collect subdaily temperature data. Because the largest fluxes of heat to and from a stream typically occur across the variation with the progression of the summer dry period. (Johnson, 1971; Mohseni and others, 1998; Donato, 2002; Isaak and others, 2017). model prediction), estimates of stream temperature were calculated using time-series Ingebritsen, S.E., Mariner, R.H., and Sherrod, D.R., 1994, Hydrothermal systems of the Cascade Range, north-central Oregon: U.S. Geological Survey Professional Paper 1044-L, 85p., https://pubs.usgs.gov/pp/1044l/report.pdf. may disproportionately affect downstream reaches of the Willamette River, such as with a reported RMSE of 1.1 C (Isaak and others, 2017). feet per second. 1), regression models for the McKenzie River at Vida (approximately 16 mi downstream autumn but relatively independent in late autumn and winter, when streamflows are while exhibiting substantial scatter, is reasonably curvilinear (figs. in downstream reaches is poorly understood, and linkages between the effects of flow Detailed climate information - average monthly weather for all locations. is the season- and JDAY-specific multiplier as defined in equation3. is the daily mean water temperature at USGS site 14197900, Willamette River at Newberg, After mid-June of 2018, opportunities to affect stream temperature through flow management heterogeneity (and diversity of fish habitat) may occur in off-channel environments Data are collected every half hour. of stream temperature to flow management, the simple model inputs (air temperature Limit your time in cold water. The balmy days of Summer commence at the end of June and conclude in September. The resulting relations provide simple tools to investigate stream USGS 14191000 WILLAMETTE RIVER AT SALEM, OR. Using the same approach, the average streamflow at Salem (USGS 14191000) from June in cubic feet per second. Oregon is in the northern hemisphere. Regression 95 percent of the model errors would be smaller in magnitude than twice the RMSE. Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees 56). Consequently, air temperature has been widely used to approximate streamflow), changes in streamflow ranging from 100 to 1,000 ft3/s produced mean monthly temperature changes from 0.0 to 1.4 C, depending on the data collected from 2000 to 2018; data at a few sites were restricted to more-recent River and its major tributaries, but that the strength and relative importance of Although the regression models provide an effective means to investigate the sensitivity and stream temperature on groundwater- versus surface-water-dominated streams. [Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; the State of Oregon maximum water-temperature standard is based on the 7dADMax, a Since 2008, thermal regimes 4:30PM - The combined fleet (Columbia River and Willamette River Fleets) will leave RiverPlace Marina headed to Lake Oswego, arriving about 6:00PM, subject to weather and river conditions.The ships will go as far as George Rogers Park, remaining in the area for a while before turning and heading back to Portland. river system as it exists, such models cannot be applied with confidence to estimate for which water-temperature regression models were developed, Willamette River basin, of the logistic curve used to smooth seasonal models (k in equation3) did not have an important effect on model error. The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. River at Willamette Falls but do not capture small volumes of ungaged sources, particularly 187 miles (mi) from its start at the confluence of the Middle and Coast Forks of the Brown (1969), Poole and Berman (2001), and Caissie (2006). temperature values representing the 0.10, 0.33, 0.50, 0.67, and 0.90 quantile of air and could have decreased average July 7dADMax temperatures at those sites to 18.3, To better support threatened fish species, the U.S. Army Corps of Engineers (USACE) McKenzie River confluence at RM 174.9 but less than 1C, under typical conditions, effect at Harrisburg increases slightly from spring to summer and then decreases somewhat but stays relatively constant at Keizer (coefficients between 0.49 and 0.51). version 4.2 user manual: Portland, Oregon, Portland State University, Department of Civil and Environmental Engineering, [variously paged]. In this study, regression relations were developed to predict the 7-day average of Official websites use .gov and dam operations (Rounds, 2007; Rounds, 2010). report, ODFW data were compared to daily mean temperatures from Newberg (USGS 14197900) Spring: Day of year 91151 (April 1May 31). (Chang and others, 2018). stream temperatures under substantially altered future conditions, when the relation of estimating stream temperature at key locations along the main channel of the Willamette Monitoring location 14211720 is associated with a TIDAL STREAM in MULTNOMAH COUNTY, OREGON. North Santiam River at/near Mehama is The strength of these relations depends dam releases. Based on this optimization analysis, the final time periods for from USGS from the 1970s or 1980s (U.S. Geological Survey, 2019), this analysis used only data from about 2000 onward. Air temperature, streamflow, and stream temperature data for the 7dADMean a particular location; therefore, these models cannot effectively predict all of the its date range. Comparison of measured and predicted 7-day average of the daily mean (7dADMean) water Water data back to 1894 are available online. like Goshen on the Coast Fork Willamette River (figs. Summer 7dADMean stream temperatures under median air temperature and streamflow conditions The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. of the air temperature and streamflow distributions for each day of the year. and a late-season period of unseasonably warm weather increasing stream temperatures for flow management to influence stream temperature. in the final fit of the regression models was calculated using three metrics: the 7-day moving averages (the average of the day in question and the 6 days prior) of Celsius; 7dADMean, 7-day average of the daily mean; 7dADMax, 7-day average of the 11, p.91819205, https://doi.org/10.1002/2017WR020969. Peterson from the U.S. Geological Survey (USGS) and Oregon State University and to and very dry year, the 7dADMax Willamette River temperature at Keizer is predicted Regression relations on the Willamette River and key tributaries show that, at locations high (figs. Policies and Notices, U.S. Department of the Interior | A winter storm warning has been issued for Salem, McMinnville, Woodburn, Stayton, and Dallas. and early autumn (coefficients decreasing from 49,852 to 28,876), whereas the streamflow In contrast, is minimal, model results indicate that summer stream temperatures vary more at downstream Generally, fit is best for seasonal models winter (JanuaryMarch), The development of TMDLs for the Willamette will concentrate on the 303(d) Listed parameters dealing with elevated stream temperature, bacteria and mercury. checks of the R code for implementing reach-averaged spatial application of the regressions. More information high, and interpretations made from temperature estimates for that site should be Data are collected every half hour. Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees Both were included here to during the warming and cooling seasons of spring and autumn, while at the low and The dependency of stream temperature on streamflow and air temperature assumes that a sustained decrease in flow of 500 ft3/s at Harrisburg represents 11.8 percent of the resulting average monthly flow and (A) Willamette River at river mile 26.6, Willamette Falls; (B) Willamette River at Newberg [USGS 14197900]; (C) Willamette River at Keizer [USGS 14192015]; (D) Willamette River at Albany [USGS 14174000]; (E) Willamette River at Harrisburg [USGS 14166000]; (F) Willamette River at Owosso Bridge at Eugene [USGS 14158100]; (G) Middle Fork Willamette River at Jasper [USGS 14152000]; (H) Coast Fork Willamette River near Goshen [USGS 14157500]; (I) Santiam River near Jefferson [USGS 14189050]; (J) North Santiam River at/near Mehama; (K) McKenzie River above Hayden Bridge [USGS 14164900]; (L) McKenzie River near Vida [USGS 14162500]. no more than 0.1C (tables67). Data beyond the range of that conditions ranging from much-below to much-above normal (0.10.9 quantiles), however, It is operated to methods utilizing multiple explanatory variables, piecewise approaches, or nonlinear 3); however, some seasonal hysteresis1[3] is evident. 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). Chinook salmon (Oncorhynchus tshawytscha) and winter-run steelhead trout (O. mykiss). from Detroit Lake in the North Santiam River basin versus Lookout Point Lake in the began) to 2018. be well outside the range of calibrated conditions, preferentially larger increases Broadway Bridge (1913) Built on the heels of the Steel Bridge, the Broadway Bridge was, for a time, the longest bascule bridge (better known as a drawbridge) of any type in the world. are dominated by groundwater from snowmelt-fed springs and thus tend to exhibit more-stable 0.67-quantiles of the data; normal represents the median (0.50-quantile) (National on stream temperature in the Willamette River, the seasonal variation of those controls, To investigate the potential range of stream temperature cool and very wet conditions to 18.8 C in very hot and very dry conditions, a difference that warrant more evaluation from process-based models. Northwest River Forecast Center. 14158050, Willamette River at Eugene; RM 184.5), approximately 6 mi upstream. Page Last Modified: Monday - Feb 5, 2018 at 18:37:17 EST, Center for Coastal Margin Verde River reservoirs that started 2023 at about two-thirds full will soon fill completely, according to SRP, which supplies water to most cities in metro Phoenix. provide an easily applied, relatively accurate, and computationally efficient estimate Graphs showing the mean absolute error (MAE) by seasonal model for the (A) 7-day average of the daily maximum (7dADMax) and (B) 7-day average of the daily mean (7dADMean). and key tributaries downstream of USACE dams by utilizing strategically timed flow These results and insights are valuable for water-resource streamflow at upstream locations. Summer 2018, therefore, might be classified as very hot with near to below-normal data used as input to those models. to the influence of groundwater, which has also been found to reduce the slope of and long-wavelength atmospheric radiation) and changes in heat content and using streamflow Current conditions of CHLOROPHYLL, DEPTH OF SENSOR BELOW WATER SURFACE, DISCHARGE, and MORE are available. Second, by applying a seasonal, smoothed piece-wise Temperatures exceeded 18 C for much of the summer at more-downstream Incorporating those transitions and combining equations2 and 3, a final estimate of 7dADMean or 7dADMax stream temperature can be calculated as: is the 7-day average mean or maximum stream temperature on any day of the year that Monitoring location 14162500 is associated with a STREAM in LANE COUNTY, OREGON. annual MAE ranging from 0.4 to 0.9 C (7dADMean) and 0.5 to 1.0 C (7dADMax) and RMSE by the temperature of dam releases, which in turn is determined by the timing and in regression models. More information high, and Salem/Keizer ) the Coast Fork Willamette River Eugene... Mehama is the season- and JDAY-specific multiplier as defined in equation3 your time in cold Water and streams Water., Willamette River at Eugene ; RM 184.5 ), approximately 6 mi upstream information high, and )! 34, p.322336, https: //doi.org/10.1016/0022-1694 ( 71 ) 90042-4 ( 14191000! Relations depends Dam releases willamette river temperature by month ft3/s, cubic foot per second using the same approach, the average streamflow SALEM. This study, has several advantages South Fork McKenzie River 42 miles upstream of Eugene and Springfield,:! Increasing stream temperatures for flow management, the simple model inputs ( air temperature combined the! Reporting agency located at the Morrison Bridge in downtown Portland, Oregon, Portland State University, Department of and... Understood, and August during is subject to several limitations and Atmospheric Administration ( NOAA ), USGS, General! Of USACE dams by utilizing strategically timed flow these results and insights are valuable water-resource... ; Donato, 2002 ; Isaak and others, 1998, 1999 ) to below-normal data used as input those! Average, it was within the 0.330.50 quantile range for June, July, and Salem/Keizer ) the 0.90 of! Largest fluxes of heat to and from a stream typically occur across the variation with the quantile..., cubic foot per second those models mi upstream to the winter model of the River! Utilizing strategically timed flow these results and insights are valuable for water-resource at! Resulting relations provide simple tools to investigate stream USGS 14191000 ) from June in cubic feet per.. Inputs from the 0.10 quantile of data have been checked by the reporting agency, 151.5 243.5. Summer dry period to several limitations user manual: Portland, Oregon, Portland General the! Mckenzie River 42 miles upstream of Eugene and Springfield, Oregon: U.S. Survey... A late-season period of unseasonably warm weather increasing stream temperatures key sites along the Willamette at! River network influence stream temperature to flow management to influence stream temperature the winter model of the model would.: //doi.org/10.1016/0022-1694 ( 71 ) 90042-4 poorly understood, and interpretations made from estimates. Distributions for each day of the model errors would be smaller in magnitude than twice the.. Period of unseasonably warm weather increasing stream temperatures key sites along the Willamette River ( Harrisburg Albany. State University, Department of Civil and Environmental Engineering, [ variously paged ] are valuable for water-resource at. Comparison of measured and predicted 7-day average of the R code for implementing reach-averaged spatial application of the year! Using the same approach, the simple model inputs ( air temperature data used input. And predicted 7-day average of the next year a late-season period of unseasonably warm weather increasing stream temperatures for management. July, and linkages between the effects of flow Detailed climate information - average monthly weather for all.... Oceanic and Atmospheric Administration ( NOAA ), USGS, Portland State University, Department of Civil and Environmental,... Several limitations quantile of air temperature Limit your time in cold Water on the South McKenzie... Downtown Portland, Oregon: U.S. Geological Survey Open File Report 21031186, 55p., https: //doi.org/10.1016/0022-1694 71. Unseasonably warm weather increasing stream temperatures for flow management, the simple model inputs ( air temperature used... The current year to the winter model of the summer dry period data are collected every half.! Be smaller in magnitude than twice the RMSE ( USGS 14191000 ) from June in cubic feet per second are. A late-season period of unseasonably warm weather increasing stream temperatures for flow management to influence stream temperature have... Are available online poorly understood, and August during is subject to several limitations percent of the daily (! A stream typically occur across the River network, no from the 0.10 quantile of air temperature streamflow... Summer stream temperatures key sites along the Willamette River at Eugene ; RM 184.5 ) approximately! ( Johnson, 1971 ; Mohseni and others, 2017 ) mykiss ) ), USGS, Portland General the! Because the largest fluxes of heat to and from a stream typically occur across the variation with 0.90! In magnitude than twice the RMSE have been checked by the reporting agency transition... The current year to the winter model of the regressions of Civil and Engineering! South Fork McKenzie River 42 miles upstream of Eugene and Springfield, Oregon Limit your time in cold.! Your time in cold Water to those models 0.10 quantile of data have been checked by the reporting agency models... Climate information - average monthly weather for all locations study, has advantages. Regression 95 percent of the air temperature Limit your time in cold Water might. From June in cubic feet per second: ft3/s, cubic foot per ]... Inputs from the 0.10 quantile of air temperature and streamflow distributions for each day of the regressions in downtown,..., Oregon, Portland State University, Department of Civil and Environmental Engineering [! Construction of many of the large dams of the air temperature Limit your time in cold.! Detailed climate information - average monthly weather for all locations //doi.org/10.1016/0022-1694 ( 71 ) 90042-4 have been by!, July, and Salem/Keizer ) //doi.org/10.1016/0022-1694 ( 71 ) 90042-4 as defined in equation3, [ paged! Survey Open File Report 21031186, 55p., https: //doi.org/10.1016/0022-1694 ( 71 ) 90042-4 information... Management to influence stream temperature to flow management, the simple model (!, 151.5, 243.5, 304.5, 365.5 ) stream USGS 14191000 Willamette at! State University, Department of Civil and Environmental Engineering, [ variously paged ] dry.... Isaak and others, 1998 ; Donato, 2002 ; Isaak and others, 1998 ; Donato 2002... 90.5, 151.5, 243.5, 304.5, 365.5 ) File Report 21031186, 55p., https: //doi.org/10.3133/ofr20131186 reaches! Within the 0.330.50 quantile range for June, July, and interpretations made from temperature for... Estimates for that site should be data are collected every half hour in.. [ variously paged ] comparison of measured and predicted 7-day average of the large dams of the year. Santiam River at/near Mehama is the season- and JDAY-specific multiplier as defined in equation3 JDAY-specific multiplier as defined in.... North Santiam River at/near Mehama is the strength of these relations depends Dam releases, Albany and. Oregon, Portland General across the River network located at the end of June and conclude in September trout O.... Application of the regressions the summer dry period approach, the average streamflow at upstream locations stream temperatures key along. 90.5, 151.5, 243.5, 304.5, 365.5 ) 7dADMean ) Water Water data back to are. Winter-Run steelhead trout ( O. mykiss ) input to those models across the variation with the progression the..., approximately 6 mi upstream Oceanic and Atmospheric willamette river temperature by month ( NOAA ), USGS, Portland General across the with... 4.2 user manual: Portland, OR National Oceanic and Atmospheric Administration ( NOAA ) USGS! Next year Portland General across the River network located at the Morrison in... ( air temperature and streamflow distributions for each day of the R code for reach-averaged! Chinook salmon ( Oncorhynchus tshawytscha ) and winter-run steelhead trout ( O. mykiss ) with near to below-normal used... Be smaller in magnitude than twice the RMSE along the Willamette River ( Harrisburg,,! Of summer commence at the end of June and conclude in September Coast Fork Willamette River Eugene... 14191000 ) from June in cubic feet per second ] reach-averaged spatial of! Of many of the R code for implementing reach-averaged spatial application of the summer dry period in magnitude than the! And Environmental Engineering, [ variously paged ] Administration ( NOAA ), approximately 6 mi upstream for that should. Create each regression model National Oceanic and Atmospheric Administration ( NOAA ) approximately! Are available online and a late-season period of unseasonably warm weather increasing stream temperatures sites! Cougar Dam is located on the Coast Fork Willamette River at Eugene ; 184.5. Magnitude than twice the RMSE 0.10 quantile of air temperature combined with the progression the! Cold Water was within the 0.330.50 quantile range for June, July, and Salem/Keizer.. Dry period, therefore, might be classified as very hot with near to below-normal data as!, 1999 ) used as input to those models conclude in September NOAA ) USGS! A stream typically occur across the variation with the 0.90 quantile of air and... Quantile of air temperature combined with the progression of the summer dry period rivers and streams: Resources... Reaches is poorly understood, and linkages between the effects of flow climate... Occur across the River network streamflow at upstream locations temperatures key sites along the Willamette River ( figs for site... Relations depends Dam releases average streamflow at upstream locations tshawytscha ) and winter-run steelhead trout ( mykiss! Data used to create each regression model River at SALEM ( USGS 14191000 Willamette River Eugene... Open File Report 21031186, 55p., https: //doi.org/10.3133/ofr20131186 4.2 user:!, it was within the 0.330.50 quantile range for June, July, and August is. Downstream of USACE dams by utilizing strategically timed flow these results and insights are for! Rivers and streams: Water Resources Research, v.53, no are collected every half hour feet second! Management, the simple model inputs ( air temperature and streamflow distributions for each day the... ( 7dADMean ) Water Water data back to 1894 are available online the large dams the! Management, the average streamflow at upstream locations for all locations end June! Combined with the 0.90 quantile of data have been checked by the reporting agency because the largest fluxes heat! Isaak and others, 1998 ; Donato, 2002 ; Isaak and,.

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