- DWR Climate Change Achievements (2014)
- DWR Climate Change Annual Report 2013 (2014)
- "Estimating Historical California Precipitation Phase Trends Using Gridded Precipitation, Precipitation Phase, and Elevation Data", DWR Memorandum Report (July, 2014)
This exploratory study develops and describes a methodology that uses readily available research data sets to produce gridded estimates of historical rainfall as a fraction of total precipitation for areas comprising the major water-supply watersheds of California. Written by Aaron Cuthbertson (DWR), Elissa Lynn (DWR), Mike Anderson (DWR, California State Climatologist) and Kelly Redmond(Western Regional Climate Center).
- "Preparing for Change, 'N' Magazine", by Elissa Lynn, DWR (July, 2014)
- "Regional Governance of Flood Management in the Central Valley: An analysis of the Integrated Regional Water Management and Regional Flood Management Planning processes " (May, 2014)
This study analyzes the origins and functioning of the Integrated Regional Water Management and Regional Flood Management Planning processes, and the degree of coordination between them to address flood risks in the Central Valley. It examines how these two processes are working to generate multi-benefit strategies and account for climate change, and discusses opportunities for future coordination. This report was written by Esther Conrad, PhD candidate in Environmental Science, Policy and Management at the University of California at Berkeley.
- Paleoclimate (Tree-Ring) Study (February, 2014)
New Hydroclimate Reconstructions have been released, using updated tree-ring chronologies for these California river basins; Klamath, San Joaquin and Sacramento. The report, prepared by the University of Arizona, allows assessment of hydrologic variability over centuries to millennia, gives historic context for assessing recent droughts, and can be used in climate change research.
- "Cry Me a Reservoir: Water Management and Climate Change Adaptation ", Environmental Law News (Summer, 2013)
This paper presents four commentaries on water management and adaptation to climate change by four practitioners who work on these issues, incuding DWR's Katherine Spanos.
- DWR Climate Change Annual Report 2012 (2013)
- Preparing for New Risks: Addressing Climate Change in California’s Urban Water Management Plans (June 2013)
Urban Water Management Plans (UWMPs) are an important element of California’s efforts to assure reliable water supplies. This study assesses how water suppliers have considered the impacts of climate change and greenhouse gas emissions in their 2010 plans, and provides recommendations for how DWR could improve its climate change guidance for 2015 UWMPs. This report was written by Esther Conrad, PhD candidate in the Department of Environmental Science, Policy and Management at University of California Berkeley.
- DWR Climate Change Annual Report 2011 (2012)
- Analysis of the Department of Water Resources volunteer Climate Cooperator Network (December, 2012)
Discusses the current state of DWR's Volunteer Climate Cooperator Network, and makes suggestions for the future of the program.
- Sea-Level Rise for the Coasts of California, Oregon, and Washington: Past, Present,
and Future Prepublication (June, 2012)
Committee on Sea Level Rise in California, Oregon, and Washington Board on Earth Sciences and Resources and Ocean Studies Board
(Division on Earth and Life Studies, The National Academies Press, Washington, D.C., www.nap.edu)
- "Climate Change and Integrated Regional Water Management in California: A Preliminary Assessment of Regional Approaches," (June, 2012)
Written by Esther Conrad, Dept. of Environmental Science, Policy and Management, University of California, this report
examines the initial steps that IRWM (Integrated Regional Water Management) regions are taking in response to new
requirements to address climate change vulnerabilities and consider greenhouse gas emissions in IRWM plans in California.
Specifically, this report seeks to assess the manner and degree to which the climate change requirements in the 2010 IRWM
Guidelines are met in Round1 Proposition 84 Planning and Implementation grant proposals, and in recently approved IRWM
plans, assess current IRWM regional approaches to analyzing and adapting climate change risks in light of the overall
goal to promote an adaptive management approach, and provide recommendations on key steps for DWR IRWM regions to support
the development of informative climate change analyses and mechanisms for adaptive management at regional and state levels.
- California Department of Water Resources Draft Climate Action Plan Phase I: Greenhouse Gas Emissions Reduction Plan (2012)
DWR in an effort to reduce its impact on the environment and lead by example, is developing a Department-wide Climate
Action Plan. The first phase of this Climate Action Plan is a Greenhouse Gas Emissions Reduction Plan, which will
guide project development and decision making with respect to energy use and GHG emissions.
- "Hydrological Response to climate warming: the Upper Feather River Watershed". Huang, G., Kadir, T., Chung, F. Journal of Hydrology (2012)
The hydrological response and sensitivity to climate warming of the Upper Feather River Basin, a snow-dominated watershed
in Northern California, were evaluated and quantified using observed changes, detrending, and specified temperature-based
- "The Climate has Changed: Now what? Integrated Regional Water Management and Climate Change Planning a Coincidental or Inevitable Union?". Katherine Spanos. 30th Annual Water Law Conference American Bar Association
Section of Environment, Energy, and Resources. San Diego, California (February 22-24th, 2012)
- Climate Change Handbook for Regional Water Planning (2011)
- "Isolated and integrated effects of sea level rise, seasonal runoff shifts, and annual runoff volume on California's largest water supply.". Jianzhong Wang, Hongbing Yin, Francis Chung. Journal of Hydrology. (May, 2011)
A detailed analysis of climate change impacts on seasonal pattern shift of inflow to reservoirs, annual
inflow volume change, and sea level rise on water supply in the Central Valley of California.
- DWR Climate Change Program Annual Report 2010 (2011)
- "Climate Change Characterization and Analysis in California Water Resources Planning Studies". California Department of Water Resources (December, 2010)
A comprehensive and comparative look at planning studies conducted by DWR and its partner agencies that
have addressed climate change. Thirteen planning studies completed since 2006 or in the process of being
completed are reviewed and summarized.
- Coastal and Oceans Climate Action Team Sea Level Rise Task Force Final Interim Sea Level Rise Guidance Document (October, 2010)
- DWR Climate Change Achievements Brochure (2010)
- DWR Climate Change Program Annual Report 2009 (2010)
- California Water Plan Update 2009: Volume 1 Strategic Plan,
Chapter 5 Managing for an Uncertain Future
- 2009 California Climate Adaptation Strategy.
California Natural Resources Agency (December, 2009)
A first-of-its-kind multi-sector strategy to help guide California's efforts in adapting to climate
change impacts. The 2009 California Climate Adaptation Strategy summarizes the best known science
on climate change impacts in seven specific sectors and provides recommendations on how to manage
against those threats.
Using Future Climate Projections to Support Water Resources Decision Making in California."
California Climate Change Center (May, 2009)
The report evaluates how climate change could affect the reliability of California's water supply.
Click Here to view a Summary Factsheet. For further information, please contact Francis Chung
(email@example.com) or Jamie Anderson
- DWR Climate Change Program Annual Report 2008 (2009)
an Uncertain Future; Climate Change Adaptation Strategies for California's Water" California
Department of Water Resources (October, 2008)
Focuses discussion on the need for California's water managers to adapt to impacts of climate change,
some of which are already affecting our water supplies. The report proposes 10 adaptation strategies
in four categories.
- DWR News/People (Fall, 2008)
DWR's quarterly magazine highlighting the people and projects of DWR
- "Progress on Incorporating Climate
Change into Management of California's Water Resources" Climatic Change (March, 2008)
Published in the March 2008 special issue of Climatic Change -California at a
Crossroads: Climate Change Science Informing Policy. This is an 18 page condensed version of
the original 350 page 2006 report of the same name. Coauthored by DWR staff.
- Proceedings of the Western Governors' Association/Western
States Water Council/California Department of Water Resources Climate Change Research Needs Workshop. (May, 2007)
A summary of information presented at the conference and of water management-related climate information
and policy needs. Recommendations are also presented for development of relationships with the federal
climate science agencies and with academia.
on Incorporating Climate Change into Management of California's Water
Resources" California Department of Water Resources (July, 2006)
In response to Executive Order S-3-05 from Governor Arnold Schwarzenegger, this report documents the
Department's progress toward incorporating multiple climate change scenarios into the management of
California's water resources.
- California Water Plan Update 2005:
- Colorado River at Lee Ferry -- Tree-Ring Data Poster (17" x 11" - 2MB jpg)