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Assessing Reservoir Operations Risk Under Climate Change

April 11, 2009

A collaborative effort of the Bureau of Reclamation, USGS, USACE, and the California Dept. of Water Resources, this paper presents a flexible methodology for conducting climate change risk assessments involving reservoir operations.   The risk-based framework described in this paper provides a new context for climate change assessments. It is a flexible framework that advances methods for assessing scenario-impacts and/or characterizing uncertainties about projection scenarios or associated impacts.

Related Organizations: Bureau of Reclamation, U.S. Army Corps of Engineers (USACE), California Department of Water Resources, U.S. Geological Survey (USGS)

Authors or Affiliated Users: Levi D. Brekke, Edwin P. Maurer, Jamie D. Anderson, Michael D. Dettinger, Edwin S. Townsley, Alan Harrison, Tom Pruitt

Resource Category: Assessments

 

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Climate Change Impacts on Water Supply and Agricultural Water Management in California's Western San Joaquin Valley, and Potential Adaptation Strategies - Final Report

August 2009

Based on an application of the Water Evaluation and Planning (WEAP) system developed for the Sacramento River basin and Delta export region of the San Joaquin Valley, this report by the California Climate Change Center provides an assessment of climate change impacts and potential adaptation strategies for the region.

Related Organizations: California Climate Change Center (CCCC)

Authors or Affiliated Users: Brian Joyce, Vishal Mehta, David Purkey, Larry Dale, Michael Hanemann

Resource Category: Assessments

 

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Emerging Climate Change Impacts on Freshwater Resources: A Perspective on Transformed Watersheds

June 2009

This report discusses the increasing effects of climate change on freshwater resources and ecosystem services. It focuses on types of socioeconomic and biotic adaptations, and provides an overview of direct and cumulative impacts.   Perspectives on adaptive responses are offered, and the results of five case studies are included which demonstrate regional adaptation measures. The series of case studies - from Massachusetts, New York, Georgia, Florida, Colorado, and California - are used to illustrate ecosystem services that are able to adapt to to extreme variations in precipitation.

Related Organizations: Resources for the Future (RFF)

Author or Affiliated User: Alan P. Covich

Resource Category: Solutions

 

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Adapting California's Water Management to Climate Change

November 2008

This report outlines concerns for climate change impacts as they will effect California with possible sea level rise, shifting mountain runoff from Spring to Winter, changes in precipitation and runoff volume, drought, high stream and reservoir temperatures, increased water demands, and increased flood flows and frequencies. Options and costs for adaptations to climate change are outlined for water supply, flood management, hydro-power, and water quality. Institutional capacities and constraints to adaptation in water supply management, flood management, and water quality management are described and addressed with methods to improve adaptation capacities.

Related Organizations: Public Policy Institute of California (PPIC)

Authors or Affiliated Users: Ellen Hanak, Jay Lund

Resource Category: Solutions

 

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Implications of 21st Century Climate Change for the Hydrology of Washington State

2009

This report is part 1 of Chapter 3 of the Washington Climate Change Impacts Assessment (see separate entry), focusing on water resource impacts for the state. Parts 2 and 3 of this chapter focus on the Puget Sound and the Yakima River Basin respectively. Based on results from 39 global simulations performed for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR4) projections, this report presents downscaled model findings and the implications on the hydrology of the Pacific Northwest.

Related Organizations: Climate Impacts Group (CIG)

Authors or Affiliated Users: Marketa M Elsner, Lan Cuo, Nathalie Voisin, Jeffrey S Deems, Alan F Hamlet, Julie A Vano, Kristian EB Mickelson, Se-Yeun Lee, Dennis P. Lettenmaier

Resource Category: Assessments

 

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A Sustainable Path: Meeting Future Water and Energy Demands in the Arkansas River Basin - Executive Summary

2009

This Executive Summary outlines strategies for municipalities and the energy sector within the Arkansas River Basin to meet growing water use demands while conserving the Basin’s natural resources. The Arkansas River is a major tributary of the Mississippi River which traverses Colorado, Kansas, Oklahoma, and Arkansas. The river's initial basin starts in Colorado, specifically the Arkansas River Valley, where the headwaters derive from the snowpack in the Collegiate Peaks.

Related Organizations: Western Resource Advocates (WRA)

Resource Category: Solutions

 

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Climate Change Impacts on Water Management and Irrigated Agriculture in the Yakima River Basin, Washington, USA

2009

Utilizing a multi-model ensemble approach of downscaled climate model projections, hydrologic modeling, and water management models, this report presents results for changes in reservoir levels and snow pack in the Yakima River basin and resulting impacts to irrigated agriculture in the basin. The paper presents the analysis of  hydrological conditions and how climate change is projected to impact water supply for water users with junior water rights and - in the extreme years - users with senior water rights throughout the basin.

Related Organizations: Climate Impacts Group (CIG)

Authors or Affiliated Users: Julie A. Vano, Michael Scott, Nathalie Voisin, Claudio O. Stockle, Alan F. Hamlet, Kristian E. B. Mickelson, Marketa McGuire Elsner, Dennis P. Lettenmaier

Resource Category: Assessments

 

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Climate Change in Colorado: A Synthesis to Support Water Resources Management and Adaptation (2008)

2008

This report is a synthesis of climate change science that is important for evaluating impacts on Colorado's water resources. This document provides scientific analyses to support state and regional efforts to develop a water adaptation plan, while presenting scientific analyses on observed trends, modeling, and projections of hydro-climatic variables - including temperature, precipitation, snowmelt, and runoff. This analysis includes a record of Colorado climate that covers trends in temperature, precipitation, snow and stream flow; a section describing climate models, emissions scenarios, and downscaling; followed by climate attributions, projections, and implications for the state.

Related Organizations: Colorado Water Conservation Board (CWCB), Western Water Assessment (WWA) - RISA, University of Colorado at Boulder

Authors or Affiliated Users: Andrea J. Ray, Joseph J. Barsugli, Kristen B. Averyt

Resource Category: Assessments

 

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A Sustainable Path: Meeting Nevada's Water and Energy Demands

2008

In this report, Western Resource Advocates (WRA) assess future water demands for municipal water use, agricultural water use, and water use in electricity generation for Nevada. Under several scenarios, the water demands in each sector are projected for 2015 and 2030. The scenarios developed include alternate scenarios that demonstrate the positive impact of water use efficiency, energy efficiency, and renewable sources of energy. 

Related Organizations: Western Resource Advocates (WRA)

Authors or Affiliated Users: Stacy Tellinghuisen, David Berry, Bart Miller, Taryn Hutchins-Cabibi, Charles Benjamin, Nicole Theerasatiankul

Resource Category: Solutions

 

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Water Supply and Stress Index Model (WaSSI)

2008

WaSSI is a tool that models historical, current, and future watershed stress for a particular zip code by comparing water supply and demand. Planners can select which of two climate models to use (HadCM2SuL - warm & wet; or CGC1 - hot & dry) to assess possible effects on supply and stress created by climate change under these scenarios. WaSSI uses historical USGS or state water bureau data to estimate past demand; future demand and supply scenarios are based on modeled changes in land use, land management, population, and climate change.

Related Organizations: U.S. Forest Service Eastern Forest Environmental Threat Assessment Center, USFS Southern Research Station, U.S. Forest Service (USFS)

Resource Category: Data and tools

 

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