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Linear Unit: Meter (1.000000)
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Caltrans
Aleksandr Aleks Holm
Caltrans
Environmental Planner
Aleksandr.Holm@dot.ca.gov
20220120
ArcGIS Metadata
1.0
Feature Class
https://dot.ca.gov/programs/transportation-planning/2020-adapation-priorities-reports
2019 Climate Change Vulnerability Assessments Storm Surge SLR 1.25 meters
2020-03-01
2021-06-15
Caltrans
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>A database containing climate stressor geospatial data indicating changes in climate over time (e.g. temperature rise and increased likelihood of wildfires) was developed as part of this study. These GIS layers for this report is expected to be a valuable resource for ongoing Caltrans resiliency planning efforts and coordination with stakeholders. Caltrans will use this data to evaluate the vulnerability of the SHS and other Caltrans assets, and inform future decision-making. It also provides resilience: The ability to prepare and plan for, absorb, recover from, or more successfully adapt to adverse events. Storm surge is short-term rising of sea levels due to low pressure weather systems and/or strong winds. For high-intensity storms, storm surge can be devastating to coastal areas. Increasing sea levels combined with changes to storm patterns are expected to alter and increase the effects of storm surge in coastal areas. Storm surge is currently considered in coastal transportation facility design but increasing water levels and more powerful future surges represent a very different stress than was likely considered in past designs. In addition, infrastructure originally assumed to be outside of the surge zone may now be exposed to the effects of storm surge. Storm surge is also expected to increase coastal erosion and landslides, causing shoreline retreat and exposing roadways to increased effects from flooding. Detailed information by district is found here: https://dot.ca.gov/programs/transportation-planning/division-of-transportation-planning/air-quality-and-climate-change/2019-climate-change-vulnerability-assessments</SPAN></P></DIV></DIV>
These Summary Reports and associated Technical Reports describe climate change effects in each of Caltrans’ 12 districts. The Summary Reports provided a high-level review of potential climate impacts to each district’s portion of the State Highway System, while the Technical Reports present detail on the technical processes used to identify these impacts.
Detailed information by district is found here: https://dot.ca.gov/programs/transportation-planning/division-of-transportation-planning/air-quality-and-climate-change/2019-climate-change-vulnerability-assessments
Caltrans Division of Transportation Planning, Climate Change Branch
Aleksandr Aleks Holm
Caltrans
Environmental Planner
Aleksandr.Holm@dot.ca.gov
2020
Transportation, Climate Change, Vulnerability Assessment, Cliff Retreat, SLR, Sea Level Rise, Storm Surge, Wildfire
Transportation
Climate Change
Vulnerability Assessment
Cliff Retreat
SLR
Sea Level Rise
Storm Surge
Wildfire
Caltrans makes no representation about the suitability, reliability, availability, timeliness, or accuracy of its GIS data for any purpose. The GIS data and information are provided "as is" without warranty of any kind. Use of the data should be limited to informational and preliminary study purposes only. Caltrans shall not be held liable by users of the data, or by any other party, for any loss or damages, consequential or otherwise, including but not limited to time, money, or goodwill, arising from the use, operation or modification of the data. For planning purposes only. The Data is intended for high level planning purposes and is a point in time reporting of estimated current conditions and forecast of future conditions. While every effort has been made to ensure accuracy of reported data, the Data is not intended for detailed service or facility planning. Such planning requires in-depth site analysis and field confirmation of actual conditions.
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NA
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true
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The layers were split by Caltrans Districts and Regions, they were merged together.
uses a Caltrans transportation ayer and priorty values were applied based on the following methodlogy (https://dot.ca.gov/-/media/dot-media/programs/transportation-planning/documents/2020-adaption-priorities-reports/d1-adaptation-priorities-report-2021-a11y.pdf)
"The methodology used to prioritize assets exposed to climate hazards draws upon both technical
analyses and the on-the-ground knowledge of district staff. The technical analysis component was
undertaken first to provide an initial indication of adaptation priorities. These initial priorities were then
reviewed with district staff at a workshop and, if necessary, adjusted to reflect local knowledge and
recommendations"
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