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This data was created to support Phase II of the Virginia CRMP. The CRMP and its products are designed to be a trusted resource to assist government entities in making evidence-based decisions using high-quality flood resilience data. CRMP hazard data represents the best available information related to coastal Virginia’s major flood hazard sources and should be used to inform local and regional flood resilience planning and decision-making. |
| summary:
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This data was created to support Phase II of the Virginia CRMP. The CRMP and its products are designed to be a trusted resource to assist government entities in making evidence-based decisions using high-quality flood resilience data. CRMP hazard data represents the best available information related to coastal Virginia’s major flood hazard sources and should be used to inform local and regional flood resilience planning and decision-making. |
| extent:
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[[-78.1593285515256,36.5436038661667],[-75.999065381201,39.3245126907592]] |
| accessInformation:
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This dataset was created by the Virginia Department of Conservation and Recreation (DCR) in 2024. DCR will review and make appropriate adjustments to this data with each update of the CRMP. |
| thumbnail:
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thumbnail/thumbnail.JPEG |
| maxScale:
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5000.0 |
| typeKeywords:
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["ArcGIS","ArcGIS Server","Data","Map Service","Service"] |
| description:
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Virginia Coastal Resilience Master Plan (CRMP) Riverine Flood Extent for 1% Annual Exceedance Probability (AEP) event in the baseline planning scenario. </SPAN></P><P><SPAN>Riverine flooding occurs when a river or stream overflows its banks and inundates the surrounding area. This dataset depicts the geographic area likely to be inundated by a major (1% AEP) riverine flood event. Areas within this 1% AEP extent have a 1-in-100 chance, or greater, of experiencing flooding in any given year, based on statistical analysis and modeling of historical events. The raster data has a 10-foot resolution scale. </SPAN></P><P><SPAN>This dataset contains information for the baseline planning scenario, meaning it is based on historical, observed data. This data is suitable for understanding current conditions and does not incorporate anticipated future conditions.</SPAN></P><P><SPAN>The CRMP’s riverine flood data is sourced from the best available flood modeling from the Federal Emergency Management Agency (FEMA).</SPAN></P><P><SPAN>Related resources include the VA CRMP Master Plan report (https://www.dcr.virginia.gov/crmp/) and Coastal Resilience Web Explorer (https://www.dcr.virginia.gov/crmp/cr-web-explorer). </SPAN></P><P><SPAN>For questions or additional information, please contact Flood.Resilience@dcr.virginia.gov.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data was sourced from FEMA and represents effective and preliminary maps as described above. DCR recommends that users refer to the official FEMA maps and products for the most up-to-date maps, as well as for regulatory purposes. More information on the National Flood Hazard Layer (NFHL) can be found at: https://www.fema.gov/flood-maps/national-flood-hazard-layer. </SPAN></P></DIV></DIV></DIV> |
| catalogPath:
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|
| title:
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Riverine Flood 1% AEP Extent, Baseline Scenario |
| type:
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Map Service |
| url:
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| tags:
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["Flooding","Flood Hazard","Coastal Resilience","Virginia","DCR","CRMP","Riverine","SFHA","1% AEP","FEMA","NFHL","Present","Baseline"] |
| culture:
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en-US |
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|
| name:
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Riverine_100yr_Extent |
| guid:
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B9A27F78-7B99-4870-A3E5-8F5CBC74E059 |
| minScale:
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1.5E8 |
| spatialReference:
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NAD_1983_StatePlane_Virginia_South_FIPS_4502_Feet |