Crook, A. G. (1993). Forest ecosystems, disturbance, and climatic change in Washington State, USA, Regional scale hydrology: I. Formulation of the VIC-2L model coupled to a routing model, A Pacific interdecadal climate oscillation with impacts on salmon production, Climate change impacts on streamflow extremes and summertime stream temperature and their possible consequences for freshwater salmon habitat in Washington State, Uncertainty in hydrologic impacts of climate change in the Sierra Nevada, California under two emissions scenarios, Uncertainty in projections of streamflow changes due to climate change in California, Climate change predicted to shift wolverine distributions, connectivity, and dispersal corridors, The WCRP CMIP3 multi-model dataset: A new era in climate change research, Assessing regional impacts and adaptation strategies for climate change: The Washington Climate Change Impacts Assessment as a case study, Pacific Northwest regional assessment: The impacts of climate variability and climate change on the water resources of the Columbia River basin, Climate-driven variability and trends in mountain snowpack in western North America, Declining mountain snowpack in western North America. This study represents one of the first attempts to dynamically couple a sophisticated, physically based hydrologic model with a detailed crop model to estimate the integrated impacts on water supply and crop viability at a range of spatial scales. The Columbia River is the fourth largest river in North America. Highs in the lower to mid 40s. Both calibration and validation periods were chosen to test model performance over a wide range of climate and streamflow conditions. In much of the CRB, however, summer AET is water limited (i.e., there is abundant surface energy to evaporate whatever water is available), and changes in AET are dominated by decreasing summer precipitation in the scenarios, which effectively decreases summer AET in most cases. In 2006, The Act relating to Water Resource Management in the Columbia River Basin [hereinafter HB2860] (2006) directed the WDOE to study water resources systems in Washington and identify specific projects in which to invest up to US$200 million provided by the bill to improve water resources infrastructure or management systems. (Citation2010) over the entire PNW (Tohver et al. Using these resources, other modelling groups can carry out their own investigations of hydrologic impacts using either their own hydrologic model (just using the driving data) or the VIC implementation from the CBCCSP. (Citation2010). The MOCOM-UA tool uses an objective function (defined by the user) and a shuffle complex evolution procedure to optimize model calibration parameters to create a set of Pareto (equally) optimal calibration parameters. The same procedure is followed for estimating extreme low flows, except the lowest 7-day flow is extracted for each water year, and 7Q10 (the extreme 7-day low flow with a return interval of 10 years) is estimated. For the BCSD runs (for which the ability to capture key elements of the region's climate variability is arguably even more important to the outcomes) the projections based on the seven highest ranked GCMs (Table 1) were selected for each emissions scenario. Precipitation Regression on Independent Slopes Model (Daly et al., Extreme daily high flow value with a 20-year recurrence interval (20-year flood), Extreme daily high flow value with a 50-year recurrence interval (50-year flood), Extreme daily high flow value with a 100-year recurrence interval (100-year flood), River Management Joint Operating Committee. These hydrologic studies support detailed assessment of the economic impacts of climate change on irrigation and important crops in WA (Yorgey et al., Citation2011), which in turn will inform decisions regarding best use of funding to improve water supply benefits in WA under climate change. A comprehensive assessment of hydrologic extremes such as Q100 and 7Q10. Contract # DE-AC79-92BP21985. These approaches were further developed and refined during the WACCIA in 2009 (Miles, Elsner, Littell, Binder, & Lettenmaier, Citation2010), which included assessments of aquatic and forest ecosystem impacts (Littell et al., Citation2010; Mantua, Tohver, & Hamlet, Citation2010). Columbia River Basin Basin Overview . 7). Act relating to water resource management in the Columbia river basin, H.R. USFWS (US Fish & Wildlife Service). Starting from these parameter sets, an additional large-scale calibration was performed during the CBCCSP to improve model performance in reproducing historical streamflow. Friday Mostly sunny. Each of these methods has its specific advantages and limitations (as discussed in detail in Hamlet et al., 2010a); however, the HD method combines several important strengths of the CD and BCSD methods and was developed specifically to support the prediction of daily hydrologic extremes (Hamlet et al., 2010a). The WDOE was also directed to incorporate climate change explicitly in these comprehensive assessment efforts. Temperature and precipitation vary greatly with elevation, but in the central basin January average daily temperatures are between about 25 and 30 F (4 and 1 C), and July averages are mostly between 70 and 75 F (21 and 24 C). Registered in England & Wales No. The Hot and the Cold of It Summer comes on strong. YAKIMA Lower Columbia returned to the diamond on Friday with a double-header split against Yakima Valley. Those who wish to do additional post-processing of the existing VIC data can access the archived model output. Inset numbers at the upper left in the future projections are the percentage changes in 1 April SWE averaged over each grid cell in the entire domain. To select an appropriate group of specific streamflow locations to include in the study to meet these diverse needs, the primary funding agencies for the study and several other key water management agencies in the region (MDNR, IDWR, USBR, and USACE) were asked to submit prioritized lists of streamflow locations. The calibrated CBCCSP VIC model was modified by WSU by integrating it with a sophisticated crop model (CropSyst; Stckle, Donatelli, & Nelson, Citation2003) that, among other functions, estimates crop water demand. They found that the vast majority of locations across the Columbia River Basin are expected to experience increases in maximum streamflow magnitudes in the future. The DOI via the USFWS has recently established a set of LCCs across the United States (USFWS, Citation2013) and has generated additional funding to support a group of regional CSCs, one of which was recently established in the PNW (PNWCSC), combining the efforts of about 15 PNW research universities, jointly led by the USGS, Oregon State University, the UW, and the University of Idaho. Saturday: Mostly cloudy with a 20 percent chance of rain. Lee. Southwest wind 5 to 15 mph with gusts to around 25 mph. A 20 percent chance of rain in the afternoon. The authors would like to acknowledge the contributions of other members of the CBCCSP research team at the UW including Lara Whitely Binder, Pablo Carrasco, Jeffrey Deems, Carrie Lee, Dennis P. Lettenmaier, Tyler Kamstra, Jeremy Littell, Nathan Mantua, Edward Miles, Kristian Mickelson, Philip W. Mote, Erin Rogers, Eric Salath, Amy Snover, and Andrew Wood. Additional products such as bias-adjusted inflow sequences for specific reservoir operations models are also included. A subsequent study in the Skagit River basin (Lee and Hamlet, unpublished manuscript) has demonstrated that substantial improvements in the simulation of high flow extremes can be achieved by calibrating the routing model, but it is not yet clear whether these conclusions can be generalized to other areas of the domain. Hydrologic sensitivity of global rivers to climate change. Key products from the study include summary data for about 300 river locations in the PNW and monthly Geographic Information System products for 21 hydrologic variables over the entire study domain. These emerging needs ultimately led to the CBCCSP, and similar efforts in BC led by PCIC (Werner, Schnorbus, Shrestha, & Eckstrand, Citation2013). Lows in the lower 50s. Changes in PET (PET3, see Table 2) and AET (see Table 2) are shown in Fig. The interested reader is directed to the CBCCSP report (Hamlet, Carrasco, et al., Citation2010a, Chapter 6) for a detailed discussion of methods and results. People also read lists articles that other readers of this article have read. The CBCCSP database has been a valuable resource which has dramatically reduced the cost of a number of high-visibility planning studies in the PNW, including the RMJOC water resources planning studies conducted by the BPA, USBR, and USACE, WSU integrated crop modelling and irrigation water demand studies under HB2860, the WA Integrated Climate Change Response Strategy, and west-wide extensions of the CBCCSP supported by the USFS and USFWS. Note that unlike the raw VIC flux files discussed above (Table 2), imperial units are used for these products on the study website (cubic feet per second, inches, degrees Fahrenheit). Retrieved from, CIG (Climate Impacts Group). Climate change scenarios for water planning studies, Cambridge, United Kingdom and New York, NY, USA, CropSyst, a cropping systems simulation model, Deep groundwater mediates streamflow response to climate warming in the Oregon Cascades, An overview of CMIP5 and the experiment design, An improved algorithm for estimating incident daily solar radiation from measurements of temperature, humidity, and precipitation. These results support the hypothesis that widespread increases in winter landslide risks and sediment transport in rivers are likely to accompany increased winter precipitation and loss of interannual snowpack in mountain watersheds. Wind speed data are based on interpolated NCEP reanalysis data (Kalnay et al., Citation1996) using methods described by Elsner et al. Results from the study show profound changes in spring snowpack and fundamental shifts from snow and mixed-rain-and-snow to rain-dominant behaviour across most of the domain. Elsner MM, et al. Des dplacements correspondants des caractristiques dcoulement fluvial du printemps et de lt vers l'hiver sont galement vidents dans les bassins o l'accumulation de neige est importante en hiver (sous le climat actuel). These include the full meteorological forcings for the model (variables 18), a suite of water balance variables simulated by the model (variables 916), and five different PET metrics (variables 1721) (Elsner et al., Citation2010).

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