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The objective of the Floodplain Mapping/Redelineation data submission is to archive the flood boundary and redelineation data for a study in a database such that it can be revised and used with minimum effort in future flood insurance studies or map revisions. This digital data is produced for the purposes of updating/creating a DFIRM database. |
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The objective of the Floodplain Mapping/Redelineation data submission is to archive the flood boundary and redelineation data for a study in a database such that it can be revised and used with minimum effort in future flood insurance studies or map revisions. This digital data is produced for the purposes of updating/creating a DFIRM database. |
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Iowa Department of Natural Resources provided funding and project management, and staffing for this project., Iowa Flood Center, IIHR, University of Iowa, provided staffing and oversight for this project. |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Floodplain Mapping/Redelineation study deliverables depict and quantify the flood risks for the study area. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual- chance flood event, and areas of minimal flood risk. The Floodplain Mapping/Redelineation flood risk boundaries are derived from the engineering information Flood Insurance Studies (FISs), previously published Flood Insurance Rate Maps (FIRMs), flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA).</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Acknowledgement of the Iowa DNR and the Iowa Flood Center would be appreciated in products derived from these data. This digital data is produced for the purposes of updating/creating a DFIRM database.</SPAN></P></DIV></DIV></DIV> |
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Floodplain Boundary |
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["environment","inlandWaters","elevation","floodplains","Iowa"] |
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en-US |
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150000000 |
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