addressing climate change adaptation in regional transportation plans
addressing climate change adaptation in regional transportation plans addressing climate change adaptation in regional transportation plans
Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAsFigure 10.1 Selecting and Applying Climate InformationWEATHER RELATEDDISRUPTION DATACAL‐ADAPTINTERPRET EXISTINGSTATE GUIDANCEIDENTIFY STRESSORTYPES ANDTHRESHOLDSSELECT CLIMATESCENARIOSGENERATE & EXPORTDATAVULNERABILITYAND RISKASSESSMENTCALIFORNIACLIMATE CHANGESTATEWIDEASSESSMENTSEXTREMETEMPERATURETHRESHOLDEXTREMEPRECIPITATIONTHRESHOLDEMISSIONSSCENARIOS:SRES (A2 OR B1)GCM(S)RASTERSTABLESSELECTINGANALYSIS YEARSSEA‐LEVEL RISE ANDCOASTAL EROSIONSource: Cambridge Systematics, Inc., 2012.10.2 CLIMATE DATA SOURCESThe climate data referenced in this guide can be accessed and viewed fromseveral online sources that have been developed by a wide array of agencies andresearch organizations. The following sources can be used to obtain climate datato inform the transportation vulnerability analysis:Cal-Adapt Web Portal (http://cal-adapt.org/)A product of the PIER program, Cal-Adapt presents climate visualization toolsand monthly and annual geographic grid data for numerous climate stressorsincluding temperature, precipitation, and snowpack for multiple GCMs andemissions scenarios. The downscaled grid data is presented at a 12km x 12kmresolution. The data available on Cal-Adapt was supplied by the ScrippsInstitution of Oceanography (Scripps), Santa Clara University, the PacificInstitute, the USGS, and UC Merced.Coupled Model Intercomparison Project Phase 3 (CMIP3)Archive (http://gdo-dcp.ucllnl.org)The CMIP3 archive presents compiled data from a joint effort between the USDepartment of the Interior’s Bureau of Reclamation, Lawrence LivermoreNational Laboratory, Santa Clara University, Scripps, Climate Central, and theUSGS. This archive includes downscaled geographic grid data for temperatureand precipitation for a number of GCMs and emissions scenarios as well as dailyhydrologic projections of precipitation and other climate stressors derived fromthe downscaled GCM data. The downscaled grid data is presented at a 12km x12km resolution.10-2 Cambridge Systematics, Inc.
Addressing Climate Change Adaptation in Regional Transportation PlansA Guide for California MPOs and RTPAsPacific Institute GIS Data(http://www.pacinst.org/reports/sea_level_rise/)The Pacific Institute has published a dataset representing coastal floodinundation and erosion hazards resulting from a 100-year event under presentconditions and 2100 conditions under sea level rise driven by the A2 emissionsscenario. This dataset was presented by the Pacific Institute for the projectImpacts of Sea Level Rise on the California Coast (Pacific Institute, 2009). At thispoint in time, this resource from the Pacific Institute is the latest data availablefor the State.It is important to note that the data presented by these sources is continuallyevolving and being updated as our understanding of climate mechanics andfuture climate conditions is revised and improved. Any application of climateinformation should cite the source of the data and the date on which it wasaccessed.10.3 APPLYING CLIMATE INFORMATIONInterpreting Existing State GuidanceSeveral climate change studies have been conducted in California to improve ourunderstanding of the expected degree and consequences of climate change andto provide resource management agencies with guidance on planning for futureclimate conditions. Through the Public Interest Energy Research (PIER) programadministered by the California Energy Commission (CEC), California hasestablished the California Climate Change Center (CCCC). The CCCC conductsresearch on climate change in California and has contributed several studies onevaluating and planning for trends in increased temperature, sea level, andimpacts to hydrologic resources.California Climate Change Statewide AssessmentsSince 2006, the scientific and resource management communities in Californiahave conducted three statewide assessments of climate change and resourceconsequences in California. For the third assessment, climate change projectionsfor California were synthesized in the 2012 Climate Change and Sea-Level RiseScenarios for California Vulnerability and Adaptation Assessment (Cayan et al., 2012),which examined changes in average temperatures, precipitation patterns, sealevelrise, and extreme events. The primary findings of this report aresummarized in Chapter 3.2 of this guide.Selecting Analysis YearsThe process is initiated by selecting the relevant time horizons for analyzing agiven transportation asset or system. Analysis years can be selected based ontransportation planning cycles, the longevity of a selected category of assets (forCambridge Systematics, Inc. 10-3
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Address<strong>in</strong>g Climate Change Adaptation <strong>in</strong> Regional Transportation PlansA Guide for California MPOs and RTPAsFigure 10.1 Select<strong>in</strong>g and Apply<strong>in</strong>g Climate InformationWEATHER RELATEDDISRUPTION DATACAL‐ADAPTINTERPRET EXISTINGSTATE GUIDANCEIDENTIFY STRESSORTYPES ANDTHRESHOLDSSELECT CLIMATESCENARIOSGENERATE & EXPORTDATAVULNERABILITYAND RISKASSESSMENTCALIFORNIACLIMATE CHANGESTATEWIDEASSESSMENTSEXTREMETEMPERATURETHRESHOLDEXTREMEPRECIPITATIONTHRESHOLDEMISSIONSSCENARIOS:SRES (A2 OR B1)GCM(S)RASTERSTABLESSELECTINGANALYSIS YEARSSEA‐LEVEL RISE ANDCOASTAL EROSIONSource: Cambridge Systematics, Inc., 2012.10.2 CLIMATE DATA SOURCESThe <strong>climate</strong> data referenced <strong>in</strong> this guide can be accessed and viewed fromseveral onl<strong>in</strong>e sources that have been developed by a wide array of agencies andresearch organizations. The follow<strong>in</strong>g sources can be used to obta<strong>in</strong> <strong>climate</strong> datato <strong>in</strong>form the <strong>transportation</strong> vulnerability analysis:Cal-Adapt Web Portal (http://cal-adapt.org/)A product of the PIER program, Cal-Adapt presents <strong>climate</strong> visualization toolsand monthly and annual geographic grid data for numerous <strong>climate</strong> stressors<strong>in</strong>clud<strong>in</strong>g temperature, precipitation, and snowpack for multiple GCMs andemissions scenarios. The downscaled grid data is presented at a 12km x 12kmresolution. The data available on Cal-Adapt was supplied by the ScrippsInstitution of Oceanography (Scripps), Santa Clara University, the PacificInstitute, the USGS, and UC Merced.Coupled Model Intercomparison Project Phase 3 (CMIP3)Archive (http://gdo-dcp.ucllnl.org)The CMIP3 archive presents compiled data from a jo<strong>in</strong>t effort between the USDepartment of the Interior’s Bureau of Reclamation, Lawrence LivermoreNational Laboratory, Santa Clara University, Scripps, Climate Central, and theUSGS. This archive <strong>in</strong>cludes downscaled geographic grid data for temperatureand precipitation for a number of GCMs and emissions scenarios as well as dailyhydrologic projections of precipitation and other <strong>climate</strong> stressors derived fromthe downscaled GCM data. The downscaled grid data is presented at a 12km x12km resolution.10-2 Cambridge Systematics, Inc.