addressing climate change adaptation in regional transportation plans

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Selected Infrastructure and Regional ResourcesTable 42. Infrastructure and Resources in the Desert RegionAirportsTypesNational & StateParksNamesInternational: Ontario InternationalGeneral Aviation: Big Bear City; Cable (Upland), Cliff HatfieldMemorial (Calipatria), Corona Municipal, Hesperia, Holtville,Imperial County, Needles, Riverside MunicipalNational: Joshua Tree National Park, MojaveNational Preserve, San Bernardino NationalForest, Salton Sea National Wildlife RefugeState: Anza-Borrego Desert State Park, Chino Hills StatePark, Mount San Jacinto State Park, Salton Sea State ParkSelected Demographic DataTable 43. Top Five Employment Sectors in the Desert RegionEmployment Sector RankingCounty 1 2 3 4 5Imperial Government Retail Trade Health CareLodging & FoodServiceManufacturingRiverside Government Retail Trade Health CareLodging & FoodServiceConstructionSan Bernardino Government Retail Trade Health Care[CA REAP, 2011]Lodging & FoodServiceTransportation& WarehousingTable 44. Selected Population Data for the Desert RegionTotal2010 Pop.Pop.
Adaptation ConsiderationsThe Desert region has a large population along its western edge and smallerpopulations to the east. The higher population areas are more prone to climatechange impacts associated with urban areas (heat and air quality). In the desertareas, climate change will have dramatic impacts on the fragile ecosystems.Ecosystems and BiodiversityMany of the species endemic to the inland desert areas of California are adaptedto a specific, often narrow, temperature and precipitation range. Changes tothe seasonal pattern can stress species, particularly aquatic species. Increasedtemperature and reduced precipitation can limit the existence and extent ofhabitats such as intermittent streams or other periodic habitats. For terrestrialspecies, migration becomes a critical point of assessment. Species such as thedesert tortoise have had their habitat fragmented and been stressed by invasivespecies and pest populations (CDFG, 2007).There are extensive federal land holdings in the region. Preserving species reliespartly on managing these lands (for grazing, solar installation, etc and managingthe adjoining lands to accommodate migration corridors.Water SupplySimilar to the South Coast region, the Desert region relies on water fromthe Colorado River and the State Water Project. Both of these sources beginwith mountain snowpack. Climate change will result in drastically reducedsupply from these sources. Declining snowpack in the San Gabriel Mountains,San Gorgonio Mountains, and San Jacinto Mountains will lead to permanentlydiminished local water supply.Public Health, Socioeconomic, and Equity ImpactsRiverside and San Bernardino counties rank fourth and seventh in the state in theabsolute numbers of the elderly and children less than five years of age. Thesetwo populations are most likely to suffer from heat-related illnesses and heatevents (English et al., 2007).Impervious surfaces are increasing in Riverside and San Bernardino counties,increasing the potential impacts of heat islands (English et al., 2007). Foothilland mountainous communities of this region may be particularly subject torespiratory and heat stress due to a combination of higher ozone levels, higherelevations, and increasing temperatures in these areas (English et al., 2007;Drechsler et al., 2006). Those most vulnerable to high levels of ozone andparticulate matter include people who work or spend a lot of time outdoors,such as agricultural employees in Imperial County and employees of the touristAPG: UNDERSTANDING REGIONAL CHARACTERISTICS PAGE 97
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Addressing Climate Change Adaptatio
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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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Page 242 and 243: elevations, increased static levee
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Page 246 and 247: Setting and HistoryThe California D
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Page 254 and 255: Biophysical CharacteristicsThe west
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Page 278 and 279: ultimately result in reduced water
Page 284 and 285: particular concern are populations
Page 286 and 287: Additional Resources• Sea Level R
Page 292 and 293: industry around Big Bear. As there
Page 294 and 295: California Natural Resources Agency
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addressing climate change adaptation in regional transportation plans

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