addressing climate change adaptation in regional transportation plans

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Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAsTitle Summary Author Date Category6 Climate Change and Sealevelrise Scenarios forCalifornia Vulnerability andAdaptation Assessment7 Sea-Level Rise for theCoasts of California,Oregon, and Washington:Past, Present, and Future8 Reports on the ThirdAssessment from theCalifornia Climate ChangeCentercommunities can use to meet adaptation varying needs.This white paper provides an evaluation of physical elements of climate change and sea-level rise that arecontained in the California Climate Change Vulnerability and Adaptation Assessment. The analyses usesix global climate models, each run under the Intergovernmental Panel on Climate Change Special Reporton Emissions Scenarios B1 and A2 scenarios. From the global climate models and associateddownscaled output, these scenarios contain a range of warming, continued interannual and decadalvariation of precipitation with incremental changes by the middle and end of 21 st century, substantial lossof mountain snow pack, and a range of sea-level rise along the California coast.Caltrans is working with other state agencies to determine specific sea-level rise values to incorporate intofuture planning and design documents. As new guidance becomes available from the State, it will beimportant to incorporate that information into future planning assessments and update Caltrans guidance,as appropriate.Tide gages show that global sea level has risen about 7 inches during the 20 th century, and recent satellitedata shows that the rate of sea-level rise is accelerating. Sea-level rise poses enormous risks to thevaluable infrastructure, development, and wetlands that line much of the 1,600 mile shoreline of California,Oregon, and Washington. As those states seek to incorporate projections of sea-level rise into coastalplanning, they asked the National Research Council to make independent projections of sea-level risealong their coasts for the years 2030, 2050, and 2100, taking into account regional factors that affect sealevel.The State’s third major assessment on climate change explores local and statewide vulnerabilities toclimate change, highlighting opportunities for taking concrete actions to reduce climate-change impacts.More than 30 peer-reviewed papers on energy, water, agriculture, public health, coastal, transportation,and ecological resource sectors are available.9 Cal-Adapt This is a web-based interactive visualization tool for conveying the risks of climate change. At the mostbasic level, the tool can educating the general public and policy-makers with very little or no knowledge ofclimate change science who are visiting the site to learn about the effects of climate change on theirhometown or other locations of interest. MPOs and RTPAs may be able to quickly enter the site to seeimpacts on their areas of interest. This guide also uses the more technical data and information for theirapplication to specific transportation impacts.Source: Compiled by Cambridge Systematics, Inc., 2012.CEC 7/2012 State-LevelGuidanceNationalResearchCouncil2012 State-LevelGuidanceVarious 2012 State-LevelGuidanceCEC 2012 On-lineTool1-6 Cambridge Systematics, Inc.
Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAs1.4 STATE-OF-THE-PRACTICE AND CALIFORNIA BESTPRACTICES REVIEWBecause this field is moving rapidly, the project team conducted a state-of-thepracticereview of the latest activity conducted by state DOTs and MPOsnationally in this arena. Research papers, reports, and guidance documents werereviewed to gather additional information on agency planning practices,implementation, and potential applicability to California MPOs/RTPAs.A set of interviews was also conducted with six California MPOs/RTPAs tounderstand the current status on integrating climate adaptation into the regionaltransportation planning process.This national state-of-the-practice research can be found in Appendix B.1.5 HOW TO USE THIS GUIDEThis guide was developed to complement the broader planning and investmentprocesses that MPOs and RTPAs already manage. The project team recognizesthe varying capacities and resources among MPOs and RTPAs and providesmethods that can be used by organizations seeking to conduct a more sketchlevelassessment of the risk and vulnerability of their regional assets to climateimpacts, or in-depth analysis that incorporates separate stakeholder processesand geospatial analyses.The project team has divided the guide’s audience into two primary user groups:a Basic User and an Advanced User. In practice, there is a wide range ofcapacities and resources to be found among California’s MPOs and RTPAs,stretching from basic to advanced. MPOs and RTPAs are encouraged to considerthe guidance for both user groups and to tailor a hybrid approach that best suitstheir needs at the time—perhaps evolving toward a more advanced approachover time.The Basic User is an MPO or RTPA conducting climate impact assessmentsand/or climate vulnerability and risk assessments for the very first time.They are often agencies with limited resources and limited GIS capability.The Advanced User is an MPO or RTPA that has experience with climateimpact assessments, has strong interagency partnerships with universities,natural resources agencies or public works departments and have more staffresources and technical tools to dedicate to the effort.The three sections of the guide are as follows. Each is highlighted as mostsuitable for Basic User, Advanced Users, or both.Part I. Background Information. For Basic and Advanced Users. The guidestarts by providing background information to help MPOs and RTPAs toCambridge Systematics, Inc. 1-7
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appendix b reportState-of-the-Pract
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State-of-the-Practice Climate Chang
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C A L I F O R N I AADAPTATIONPLANNI
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Adaptation Planning Guide - Advisor
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List of Tables (cont’d.)Table 6.
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Climate Impact RegionsThe APG is or
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APGSTART HERE:PLANNING FOR ADAPTIVE
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What are the designated climate imp
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CA Climate Adaptation Planning Guid
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• Selected Demographic Data. Sele
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Cal-Adapt ProjectionsTable 1. Summa
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Selected Infrastructure and Regiona
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illnesses due to air pollution resu
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Additional Resources• Sea level r
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Cal-Adapt ProjectionsTable 5. Summa
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frequency can harm forests. Large i
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Bay Area RegionCounties: Alameda, C
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the Sacramento and San Joaquin rive
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Table 12. Selected Population Data
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Sea level rise is also expected to
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Additional Resources• Public Heal
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Cal-Adapt ProjectionsTable 13. Summ
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Table 16. Selected Population Data
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As with crops, climate change impac
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Additional Resources• Wildfire Re
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elevations, increased static levee
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The ecosystem functions of the Delt
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Setting and HistoryThe California D
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The islands in the lower Bay-Delta
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Some of the questions that should b
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Southern Central Valley RegionCount
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Biophysical CharacteristicsThe west
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The crops produced are varied and i
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Communities in this region should e
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have the resources to prepare for,
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Additional Resources• Sea Level R
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Timber practices have also had ecos
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Southeast Sierra RegionCounties: Al
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Biophysical CharacteristicsThe sout
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ultimately result in reduced water
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particular concern are populations
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Additional Resources• Sea Level R
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industry around Big Bear. As there
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California Natural Resources Agency
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