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In coordination with FEMA’s Future Flood Risk Data (FFRD) program and the Delaware Department of Natural Resources and Environmental Control (DNREC), Michael Baker International (MBI) generated graduated maps of coastal flood risk in Delaware coastal areas. These non-regulatory maps show flood risk using a gradient color scale, representing present conditions and the DNREC Mid-Century and Late-Century sea-level rise (SLR) projections for all of coastal Delaware. |
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In coordination with FEMA’s Future Flood Risk Data (FFRD) program and the Delaware Department of Natural Resources and Environmental Control (DNREC), Michael Baker International (MBI) generated graduated maps of coastal flood risk in Delaware coastal areas. These non-regulatory maps show flood risk using a gradient color scale, representing present conditions and the DNREC Mid-Century and Late-Century sea-level rise (SLR) projections for all of coastal Delaware. |
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DNREC Shoreline and Waterway Management Section, Michael Baker International |
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36111.909643 |
| typeKeywords:
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["ArcGIS Server","Data","Image Service","Service"] |
| description:
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<div style='text-align:Left;'><div><div><p><span>The graduated flood risk maps were developed for 10-, 20-, 50-, 100-, and 500-year return periods. MBI performed spatial extent extrapolation and boundary delineation for return periods higher than 1 percent of the annual exceedance probability (AEP) for the current conditions and for all return periods for two SLR scenarios. Our team estimated wave heights in the extended floodplains using the total water level and still water elevation data and developed depth grids to quantify spatial flood depths for the five return periods of interest. This work was completed in February of 2025.</span></p></div></div></div> |
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<div style='text-align:Left;'><div><div><p><span>These data layers are non-regulatory. This should be used to evaluate potential flood risks, particularly under potential future sea level conditions.</span></p><p><span>The State of Delaware makes no warranty or representation, expressed or implied, with respect to the quality, content, accuracy, completeness, currency, or non-infringement of proprietary rights, of any of the GIS or other data or information, or any other materials and items, that are displayed or made available for download from this site. All such data, information, items and materials (collectively, the “FirstMap Data”) are provided "as is" and users are fully and solely responsible for any consequences of use. FirstMap Data may have been created from a variety of sources, including sources beyond the control of the State of Delaware, and are subject to change without notice. To the extent you use, apply, add to, modify or implement this information in your own information system or other setting, or otherwise for your own purposes, you do so at your own risk. In no event shall the State of Delaware or its agencies, officers, employees, agents, or representatives be liable for any damages of any kind or nature whatsoever including, but not limited to, direct, indirect, special, punitive, incidental, exemplary or consequential damages arising from your downloading, modifying, sharing, distributing, or using of FirstMap Data even if notified of the possibility of such damages. Further, the State of Delaware does not accept liability for any damages or misrepresentation caused by inaccuracies in the FirstMap Data or as a result of changes to the FirstMap Data, nor is there responsibility assumed to maintain the FirstMap Data in any manner or form.</span></p></div></div></div> |
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| title:
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DE_FutureFloodRisk_All |
| type:
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Image Service |
| url:
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https://tst2epbfirstmap.dti.state.de.us:6443/arcgis |
| tags:
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["Delaware","DNREC","Sea Level Rise","Flood Risk","Flood Risk Data"] |
| culture:
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en-US |
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| name:
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DE_FutureFloodRisk_All |
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| minScale:
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1155581.108577 |
| spatialReference:
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WGS_1984_Web_Mercator_Auxiliary_Sphere |