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Think globally, Assess regionally, Act locally Assessing the impacts of climate change in California.

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Presentation on theme: "Think globally, Assess regionally, Act locally Assessing the impacts of climate change in California."— Presentation transcript:

1 Think globally, Assess regionally, Act locally Assessing the impacts of climate change in California

2 California Climate Assessment Think globally, assess regionally, act locally How Assessments have been influentialHow Assessments have been influential The 2007 IPCC Global Climate AssessmentThe 2007 IPCC Global Climate Assessment Why California needs to do its ownWhy California needs to do its own Californias first assessment: Our Changing ClimateCalifornias first assessment: Our Changing Climate What improvements are needed?What improvements are needed? Who cares?Who cares? Assess, then assistAssess, then assist Ways to improve Californias assessmentsWays to improve Californias assessments California has the technical and institutional resourcesCalifornia has the technical and institutional resources Next stepsNext steps

3 Policy Assessments Expert reviews of the state of knowledge Global Regional High-level decision makers 2007 IPCC

4 Waste Management Board Air Resources Board Transportation & Housing Cal/EPA Public Utilities Commission Energy Commission Resources Agency Department of Food & Agriculture Californias Climate Action Team Climate change now a broad governmental concern

5 0.1 degC/decade IPCC Summary for Policymakers, 2007 More climate change is unavoidable Even if concentrations of greenhouse gases and aerosols were held constant at 2000 levels, warming would continue for a millennium

6 IPCC Summary for Policymakers, 2007 Human caused climate warming found on every continent Drying of North American West a robust forecast

7 California Climate Regions California Regions California-specific climate drivers, natural and human Regions not resolved by todays global models Californians understand their own concerns

8 Our Changing Climate California Climate Change Center

9 Sierra Nevada Snow-pack Stores more water than the California water project

10 Whether, where, when to allocate, invest? Up to 2.5 times as many critically dry years

11 Heat Waves Up to four times as many heat wave days ElectricityConsumption Excess Mortality

12 California Wildfires 55% increase in risk, 2070-2099? October 27, 2003

13 Rising Sea Level 6-30 inches, 2070-2099 How much, how fast?

14 Infrastructure When to invest? Engineering lifetime? Flood insurance rates? Land use policies? December 20, 2005 January 4, 2006 MODIS-Aqua Sacramento Delta

15 Economic Impact Assessments Effective when forecast and investment timescales are similar Require high spatial specificity Chicago Board of TradeWall Street Swiss Re San Francisco

16 Assess, then assist Earth observations, predictive models, and impact assessments are foundations of decision support systems and services. Photo credit: Global Spatial Data Infrastructure Project

17 Decision Support Agriculture and fisheries stakeholder outreach California Agricultural Extension Climate change, fresh water, food-biofuel competition California Cooperative Fisheries Investigation Warming Waters Identified as Cause of Marine Life Depletions off California

18 Local Environmental Decision Support Complex information enabling adaptive management Needs local specialization and interactive communication California Applications Project Sensor Network Urban and natural environment and ecology

19 Copyright ©2006 by the National Academy of Sciences Miles, E. L. et al. (2006) Proc. Natl. Acad. Sci. USA 103, 19616-19623 Relationships between global and regional assessments. Relationships between global and regional assessments ( State )

20 ERBS Terra Aqua GRACE QuikScat SAGE III SeaWinds TRMM TOMS-EP UARS Jason Landsat 7 SORCE ACRIMSAT EO-1 TOPEX/Poseidon SeaWiFS ICESat Ensure needed space observations High-level political action in Washington

21 Climate Change Modeling Link global models to local models and data California, Federal agencies support cooperative programs San Diego-15 Tflops Columbia-60 Tflops NSF Next Machine-PetaFlops LLNL- >100 Tflops

22 Deploy Regional Sensor-nets Increase precision, enable adaptive management Water and Climate Instruments in the Santa Margarita Ecological Reserve Source, Dan Cayan, UCSD SIO

23 Enhance environmental informatics capacity Connect research institutions, integrate research and civil sensor nets Communicate with stakeholders

24 Integrate climate and economic assessments The next frontier –Specific, quantitative collaborations –Involve decision- makers, stakeholders, –Engineer decisions, not systems –Work with communicators

25 What will happen to me? The most important question in environmental science

26 No other state has Californias capability

27 Commit to ongoing Climate Change Impact AssessmentsCommit to ongoing Climate Change Impact Assessments –Independent governance and funding, defined schedule –Build on present success Act to strengthen Californias technical capacityAct to strengthen Californias technical capacity –Start strategic planning now Information systems, sensor-nets, space observations, computations, economicsInformation systems, sensor-nets, space observations, computations, economics Strategy to connect existing programs and assetsStrategy to connect existing programs and assets –Integrate institutional contributions Draw upon universities, laboratories, NGOs, and industryDraw upon universities, laboratories, NGOs, and industry –Work with federal government Advocacy with Congress and administrationAdvocacy with Congress and administration Programmatic collaborations with federal agenciesProgrammatic collaborations with federal agencies Define management responsibility and funding authorityDefine management responsibility and funding authority –Within State government –Governance of institutional network(s)


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