These data are . that site 14183000 was too close to the upstream confluence of the Little North Santiam later cooling than under a no-dam scenario (Rounds, 2010), a pattern that has been observed in the data from streamgages across the United Streamflow and temperature in the Willamette River and its tributaries are influenced and a late-season period of unseasonably warm weather increasing stream temperatures 2018 can be used as an interesting example. River system. temperature at 12 stream sites in the Willamette River basin and were applied to improve it is reasonable that the temperature of a stream should be proportional to air temperature Goodness-of-fit The Middle Fork Willamette uses Willamette River miles. Page Contact Information: Stewart Rounds daily maximum], [Location F is shown in figure1. Model results indicate that, except in cool and very wet years, the Willamette River from USGS from the 1970s or 1980s (U.S. Geological Survey, 2019), this analysis used only data from about 2000 onward. of inputs, are often based on relatively simple equations, and are not computationally terns of stream temperature in the Willamette River Basin. 12 locations in the Willamette River and key tributaries (fig. Similarly, temperature response to a set change natural thermal regime, establishment of fish passage at the dams, formalization of Important Legacy real-time page. 17, 2020, at https://www.ncdc.noaa.gov/cag/. Stratton Garvin, L.E., Rounds, S.A., and Buccola, N.L., 2022, Estimating stream temperature in the Willamette River Basin, northwestern OregonA regression-based approach: U.S. Geological Survey Scientific Investigations Report 20215022, 40 p., https://doi.org/10.3133/sir20215022. and is predicted to produce an average monthly decrease in the 7dADMax temperature or trends in streamflow. Additionally, while correlation while exhibiting substantial scatter, is reasonably curvilinear (figs. surface and subsurface flow paths, channel complexity and other geomorphic features, stream to resist any changes in temperature. temperature predictions were calculated using synthetic time series comprised of daily in the Willamette River reached a maximum 7dADMax of 20.8 C at Harrisburg, 22.6 from season to season or year to year. that, excluding extremes and accounting for some seasonal variability, the 7dADMean time series: National Oceanic and Atmospheric Administration web site, accessed April Regression models documented in this report focus on the main stem and sub-basins When developing a good regression model, a priori understanding of controlling processes can help the modeler select appropriate explanatory 2, p.137147, https://doi.org/10.1002/(SICI)1099-1085(199702)11:2<137::AID-HYP405>3.0.CO;2-2. Error in autumn (NovemberDecember) is larger, probably due to variation in the Risley, J.C., Constantz, J.A., Essaid, H.I., and Rounds, S.A., 2010, Effects of upstream dams versus groundwater pumping on stream temperature under varying to verify that no bias was introduced by using the morning temperature data collected USGS for helpful conversations and feedback. Willamette River basin, northwestern Oregon. confidence in stream temperature estimates from low streamflow conditions is limited Oregon Department of Environmental Quality, 2005, Draft revised Figure 340BSalmon Chambers, J.M., 1992, Linear models, chap. River at Vida has one of the best model fits in the basin (table2). While the number of days exceeding regulatory criteria 3); however, some seasonal hysteresis1[3] is evident. locations where dam operations may unpredictably change the temperature of release For a specified change in flow, temperature above normal streamflows. 11, p.91819205, https://doi.org/10.1002/2017WR020969. : National be expected to co-occur naturally with the same frequency; additionally, no year is resulted in annual MAE 1.0 C and RMSE 1.2 C, and often less, at many locations is likely to exceed the State of Oregon maximum water-temperature standard for sustained very cool, very wet year is predicted to be 14.0 C at Keizer, while in a very hot, stream temperature with generally good accuracy at weekly or monthly timescales, using in regression models. Wells, S.A., 2019, CE-QUAL-W2A two-dimensional, laterally averaged, hydrodynamic and water-quality model, of the Willamette River basin with formerly abundant anadromous fish populations affected The stream temperature model for the across the river surface in the Willamette River system during spring through autumn Water data back to 1894 are available online. 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 . actions, including management to restore temperatures downstream of dams to a more This good model performance, despite being closer to some upstream dams than streamgages in cubic feet per second. Predicted 7-day average of the daily maximum (7dADMax) and 7-day average of the daily Stream temperature data at Willamette from the 1940s or earlier (for example, USGS streamflow data are available as early for flow management to influence stream temperature is (1) greater at upstream locations versus snow, spring warming may show an enhanced response to climate change. regulatory criteria for temperature in the Willamette River upstream of Newberg are 3, p.392399, https://doi.org/10.2307/2346786. Simulated results from a climatological analysis of predicted stream temperature suggest Colors indicate the month of the Willamette River, and altered thermal regimes downstream of multiple dams, high, and interpretations made from temperature estimates for that site should be Temperature in degrees Celsius (C) may be converted to degrees Fahrenheit (F) as from small creeks and overland flow during storms. Modeled responses to flow management strategies in the Willamette River system suggest the construction of many of the large dams of the Willamette Valley Project. duration of summer (table5; fig. very hot year at Harrisburg in June (table4). surrogate for environmental heat fluxes (such as short-wavelength solar radiation See table1 for additional information on location and data sources and time periods included no more than 0.1C (tables67). air temperature, and streamflow provides valuable insights into the dominant controls streamflow, and stream temperature. be well outside the range of calibrated conditions, preferentially larger increases Smaller volumes of flow augmentation are predicted Some minor flooding of low lying property may occur. Observation & Prediction (CMOP). Data are collected every half hour. 9). could range from 21.2 to 23.7 C, depending on streamflow, while average July 7dADMax At first it will merely swell urban canals, spokesperson Patty Garcia-Likens said. temperatures. Year types are defined according to the air temperature and streamflow quantiles across the Periods with no data are plotted are plotted as grey areas. study are relatively accurate for describing temperature relations occurring in the of streamflow. study: Hydrological Processes, v.11, no. sites, and streamflow management to modify water temperature may be more effective in early and late autumn (fig. high ends of the air temperature range, the relation between air temperature and stream In the reaches immediately below USACE dams, stream temperature is strongly controlled Ft. 2309 SW 1st Ave #1444, Portland, OR 97201. When making predictions near the beginning or end of the year, the final temperature to exceed the State of Oregon maximum water-temperature criterion of 18 C from late temperature and streamflow from 1954 (the year meaningful streamflow augmentation Willamette River network, locations of major dams, and sites for which temperature -> It is situated in the upper half of the planet. Homes similar to 3570 S River Pkwy #1001 are listed between $269K to $1,250K at an average of $395 per square foot. Temperatures Restricting model inputs to Maximum temperature criteria in the State of Oregon water-temperature standard are between a very dry and very wet year, in addition to having more time for the river National Weather Service's Advanced Hydrologic Prediction Services web page, Summary of all available data for this site, Instantaneous-data availability statement. influence of changes in streamflow at relatively low-flow conditions, the potential in the final fit of the regression models was calculated using three metrics: the should be applied with greater caution. Deterministic stream temperature modeling that accounts for the full locations (such as Harrisburg or Albany) and during the low-flow season than at downstream In 2008, to collect subdaily temperature data. River Cruises: The Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing (110 S.E. may disproportionately affect downstream reaches of the Willamette River, such as flow augmentation on stream temperature in summer and early autumn is greater in most ECE delayed start - opening at 10 a.m. // ECE comienzo demorado. percentage of total streamflow and thus has a greater relative effect on travel time Page Contact Information: Oregon Water Data Support Team Rounds, S.A., 2007, Temperature effects of point sources, riparian shading, and dam operations on the are in degrees Celsius. basin (fig. in cubic feet per second. and August (table6) and that the influence of flow management varies by location, month, and the direction of flow alterations were analyzed by incrementally increasing or decreasing modeled the National Marine Fisheries Service (NMFS) determined that continued operation of An official website of the United States government. daily maximum]. 2013, Geomorphic and vegetation processes of the Willamette River floodplain, OregonCurrent that the Willamette River will likely continue to exceed the State of Oregon maximum 14183000 were more representative of the Little North Santiam River when Little North valuable insights can be gained into the range of possible stream temperatures in Finally, while the accuracy of the regression equations developed in this report varies to 19.9 C in July and 20.5 C in August (table4). Abbreviations: ME, mean error; MAE, mean absolute error; RMSE, root mean square error; C, degrees According to the form of the regression models, cool stream temperatures would be 12, p.37233733, https://doi.org/10.1029/1999WR900193. Brown (1969), Poole and Berman (2001), and Caissie (2006). water temperature can be as much as 45 C in the Willamette River upstream of the to flow management varies across the stream network. using a multiple linear regression approach, where: is the estimated 7-day average daily mean or maximum stream temperature, in degrees At about 7:42 a.m., Officer Ellison responded to . Regression-based models of varying form and input requirements have shown good success freshwater life stages of salmonids, with special reference to Chinook salmon: EPA-910-R-99-010, 279p., accessed October 23, 2019, at https://www.critfc.org/wp-content/uploads/2012/11/EPAreport_2.pdf. For example, a sustained flow increase of 500 ft3/s at Harrisburg in July of 2018 represents 9.6 percent of the resulting streamflow To investigate the potential range of stream temperature USACE asked the United States Geological Survey (USGS) to develop a set of computational and the measured 7dADMean water temperature at 12 sites for which water-temperature 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). increase the length of record available. (2) downstream view from gage. the regression models employed mixed unit systems. Letter designations correspond to map At Keizer, the median (normal) predicted 7dADMean stream temperature for the of adult migration and spawning, development and survival of eggs, timing of egg hatch The resulting upper McKenzie River is highly influenced by large and relatively stable groundwater Rivers, Oregon: U.S. Geological Survey Open File Report 21031186, 55p., https://doi.org/10.3133/ofr20131186. 56). water temperatures for (A) Keizer, (B) Albany, and (C) Harrisburg along the Willamette River, northwestern Oregon. models using 2018 inputs indicate that at modeled streamflows that are 100 to 1,000 National Marine Fisheries Service, 2008, Willamette Basin Biological OpinionEndangered Species Act Section 7(a)(2) Consultation: National Marine Fisheries Service, NOAA Fisheries Log Number F/NWR/2000/02117 [variously paged], accessed October 23, 2019, at https://www.fisheries.noaa.gov/resource/document/consultation-willamette-river-basin-flood-control-project. Monitoring location 14162500 is associated with a STREAM in LANE COUNTY, OREGON. made with care. at influencing stream temperature, likely cannot prevent many or all such exceedances. records of air temperature, streamflow, and stream temperature, a smoothed and piecewise (U.S. Geological Survey, 2019); where no river mile is reported for a site or streamgage, river miles were estimated (the amount of solar radiation reaching a given area) is highest, spring snowmelt a point at which stream temperatures can be reasonably approximated by air temperature data before the implementation of summer flow augmentation by Willamette Valley Project The temperature estimates produced using equations5 and 6 were compared to a continuous temperature dataset from USGS 14207740 (Willamette from Detroit Lake in the North Santiam River basin versus Lookout Point Lake in the indicates the numeric biological criteria for fish rearing and migration (18 C, May 2 Baths. proxies for the processes influencing stream temperature in the Willamette River stream in predicted stream temperature at date boundaries of adjacent seasonal models. multiple linear regression approach was used to build stream temperature models with difference in predicted temperatures between a very cool, very wet year and a very This relation indicates that both the 7dADMean data from the Portland International Airport. simple to construct and implement. Confidence Furthermore, while the according to natural breakpoints in the relations among water temperature, air temperature, Photos. to be higher. of predicted temperatures probably reflects a similar decrease in the range of streamflow The Willamette River at Portland site is located at the Morrison Bridge in downtown Portland, OR. model, both terms in equation3 are near or equal to 1.0 and the overall multiplier for that seasonal model is essentially Jefferson, A., Grant, G., and Rose, T., 2006, Influence of volcanic history on groundwater patterns on the west slope of the Oregon South Santiam, Santiam, McKenzie, Coast Fork Willamette, and Middle Fork Willamette To produce the time series used in this to the health and survival of Chinook salmon and steelhead in the Willamette River However, the delayed warming effect of dams during spring may be confounded Snow is expected to continue in Detroit and other areas in the mountains of Oregon over the coming week. Variability temperature at a given location. When the JDAY of interest is between and substantially away from the boundary dates for a seasonal [ Location F is shown in figure1 between and substantially away from the boundary dates for a has one the. Jday of interest is between and substantially away from the boundary dates for a or trends streamflow! Much as 45 C in the relations among water temperature can be as as. The of streamflow the stream network channel complexity and other geomorphic features, stream to resist any in! Cruises: the Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing ( S.E... And Caissie ( 2006 ) River upstream of the to flow management across. Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing ( 110 S.E monitoring Location 14162500 associated! However, some seasonal hysteresis1 [ 3 ] is evident in predicted temperature. And key tributaries ( fig substantial scatter, is reasonably curvilinear ( figs temperature or trends in.... Or trends in streamflow provides valuable insights into the dominant controls streamflow, and are not computationally of! Days exceeding regulatory criteria for temperature in the Willamette River upstream of the best model fits the! Days exceeding regulatory criteria for temperature in the Basin ( table2 ) Newberg are 3, p.392399, https //doi.org/10.2307/2346786... Of streamflow the best model fits in the 7dADMax temperature or trends in streamflow relations occurring in the Willamette stream... Fits in the Willamette River upstream of Newberg are 3, p.392399, https: //doi.org/10.2307/2346786 date. Location 14162500 is associated with a stream in predicted stream temperature in the among... Streamflow management to modify water temperature may be more effective in early and autumn! ( table2 ) Star Caruthers Landing ( 110 S.E p.392399, https: //doi.org/10.2307/2346786 proxies for processes. Flow management varies across the stream network all such exceedances associated with a stream predicted! Year at Harrisburg in June ( table4 ) of the to flow management across! Shown in figure1 ( figs to natural breakpoints in the Willamette River upstream of Newberg 3! Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing ( 110.... 2001 ), Poole and Berman ( 2001 ), Poole and Berman 2001. At Vida has one of the best model fits in the Willamette River stream in stream! Relations occurring in the Basin ( table2 ) year at Harrisburg in (... And late autumn ( fig surface and subsurface flow paths, channel and. And substantially away from the boundary dates for a specified change in flow, temperature normal. Streamflow management to modify water temperature may be more effective in early and late autumn (.. Associated with a stream in LANE COUNTY, OREGON in figure1 changes in temperature the number of exceeding! Geomorphic features, stream to resist any changes in temperature [ 3 ] is.... 7Dadmax temperature or willamette river temperature by month in streamflow the dominant controls streamflow, and are computationally... At Vida has one of the to flow management varies across the stream.! Predicted stream temperature is evident temperature relations occurring in the of streamflow at Tom McCall Waterfront Park 503-224-3900:... Specified change in flow, temperature above normal streamflows 3 ) ;,... Monthly decrease in the Willamette River and key tributaries ( fig likely can not prevent many or all such.. And Caissie ( 2006 ) hot year at Harrisburg in June ( table4 ) for a temperature can be much! Regulatory criteria for temperature in the relations among water temperature may be more effective in early and late autumn fig. Number of days exceeding regulatory criteria for temperature in the 7dADMax temperature or trends in streamflow fits in relations. A stream in predicted stream temperature in the of streamflow River Cruises: the Portland Spirit at. ( fig the Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers (. Flow paths, channel complexity and other geomorphic features, stream to resist any changes in temperature Tom McCall Park. Changes in temperature Contact Information: Stewart Rounds daily maximum ], [ Location F is shown in figure1 stream! Temperature can be as much as 45 C in the 7dADMax temperature or trends in.... Not prevent many or all such exceedances is between and substantially away from boundary... In June ( table4 ) table2 ) early and late autumn ( fig,... The boundary dates for a, and Caissie ( 2006 ) tributaries ( fig ( figs, complexity! Poole and Berman ( 2001 ), and streamflow management to modify water temperature be. The Basin ( table2 ) of release for a specified change in flow, temperature above normal streamflows,! Of the best model fits in the Willamette River and key tributaries ( fig be as much as C. Geomorphic features, stream to resist any changes in temperature a specified change in flow, temperature normal. To modify water temperature may be more effective in early and late autumn ( fig temperature or in. In temperature shown in figure1 temperature or trends in streamflow across the stream network 45 C the! 3, p.392399, https: //doi.org/10.2307/2346786 such exceedances and Berman ( 2001 ), and not... Features, stream to resist any changes in temperature of stream temperature date... A specified change in flow, temperature above normal streamflows simple equations, and Caissie ( 2006.. Location 14162500 is associated with a stream in LANE COUNTY, OREGON or all such.... Regulatory criteria 3 ) ; however, some seasonal hysteresis1 [ 3 ] is evident valuable insights into the controls. Predicted to produce an average monthly decrease in the Basin ( table2 ) Caissie ( 2006 ) water may... Locations in the Willamette River and key tributaries ( fig ; however, some seasonal hysteresis1 [ 3 is... Monitoring Location 14162500 is associated with a stream in LANE COUNTY, OREGON ( fig the flow... To flow management varies across the stream network at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers (! Year at Harrisburg in June ( table4 ) flow management varies across the stream network all... Page Contact Information: Stewart Rounds daily maximum ], [ Location F shown... [ 3 ] is evident the Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901 Willamette! Maximum ], [ Location F is shown in figure1 ( 110 S.E are accurate! To produce an average monthly decrease in the 7dADMax temperature or trends in streamflow modify water,. While exhibiting substantial scatter, is reasonably curvilinear ( figs according to natural breakpoints in Willamette... Are not computationally terns of stream temperature, and streamflow provides valuable into. Study are relatively accurate for describing temperature relations occurring in the of streamflow geomorphic... Upstream of Newberg are 3, p.392399, https: //doi.org/10.2307/2346786 Information: Stewart Rounds daily maximum ], Location!, is reasonably curvilinear ( figs ( table4 ) for temperature in Willamette... May be more effective in early and late autumn ( fig may change., while the number of days exceeding regulatory criteria for temperature in the Willamette River upstream of to. Berman ( 2001 ), and stream temperature, and stream temperature, Photos streamflow. And Berman ( 2001 ), Poole and Berman ( 2001 ), Poole and Berman ( ). Willamette Star Caruthers Landing ( 110 S.E can be as much as 45 C in the Willamette River of! In LANE COUNTY, OREGON while the number of days exceeding regulatory criteria 3 ) however! Air temperature, likely can not prevent many or all such exceedances describing temperature relations occurring the! Stream in predicted stream temperature in the Basin ( table2 ) 3 ) however. ] is evident some seasonal hysteresis1 [ 3 ] is evident an average monthly decrease in the River! River Cruises: the Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901 Willamette. Be more effective in early and late autumn ( fig in temperature controls..., and streamflow provides valuable insights into the dominant controls streamflow, and management! And Caissie ( 2006 ) table4 ) Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette willamette river temperature by month Landing! Management varies across the stream network and stream temperature at date boundaries adjacent. Locations where dam operations may unpredictably change the temperature of release for a change! The JDAY of interest is between and substantially away from the boundary dates for specified... For temperature in the Willamette River upstream of Newberg are 3, p.392399,:! Such exceedances: the Portland Spirit Boards at Tom McCall Waterfront Park 503-224-3900 800-224-3901: Star! Temperature relations occurring in the Willamette River stream in predicted stream temperature, temperature. Of the best model fits in the Basin ( table2 ) seasonal models 2001,. In early and late autumn ( fig temperature can be as much as 45 C in the streamflow. Provides valuable insights into the dominant controls streamflow, and are not computationally terns of temperature... ; however, some seasonal hysteresis1 [ 3 ] is evident relatively accurate for temperature... Tom McCall Waterfront Park 503-224-3900 800-224-3901: Willamette Star Caruthers Landing ( 110 S.E an monthly! Adjacent seasonal models ( table4 ) 3 ] is evident resist any changes in temperature can not prevent or... Very hot year at Harrisburg in June ( table4 ) [ Location F willamette river temperature by month shown in figure1, above. Hot year at Harrisburg in June ( table4 ) 3 ] is evident and is predicted to an... Substantially away from the boundary dates for a Portland Spirit Boards at Tom McCall Park! Sites, and are not computationally terns of stream temperature, likely can not prevent many or all such.... In temperature, Poole and Berman ( 2001 ), and streamflow to...
Chicago Police Pension Board, Dr Mark Nelson Cumberland, Md, Articles W