The USGS works with the National Weather Service, the U.S. The FIM Mapper helps communities visualize potential flooding scenarios, identify areas and resources that may be at risk, and enhance their local response effort during a flooding event. Users can also access historical flood information and potential loss estimates based on the severity of the flood. The FIM Mapper allows users to explore the full set of inundation maps that shows where flooding would occur given a selected stream condition. Once a community’s map library is complete, it is uploaded to the USGS FIM Mapper, an online public mapping application. To help communities create a flood inundation map library, the USGS created the FIM Toolbo x, which contains development resources and contact information.Ģ) Provide online access to flood inundation maps along with real-time streamflow data, flood forecasts, and potential loss estimates. Environmental and Ecological Assessments - wetlands identification, hazardous spill cleanup.Mitigation and Planning - flood risk analyses.Timely Response - tied to real-time gage and forecast information. To learn more about the scientific process of developing a map library, visit the FIM Science section. The USGS works with communities to identify an appropriate stream section, gather the necessary data to model where flooding will likely occur, and verify that the maps produced are scientifically sound. The USGS Flood Inundation Mapping Program has two main functions:ġ) Partner with local communities to assist with the development and validation of flood inundation map libraries.Ī flood inundation map library is a set of maps that shows where flooding may occur over a range of water levels in the community’s local stream or river. The USGS Flood Inundation Mapping (FIM) Program helps communities protect lives and property by providing tools and information to help them understand their local flood risks and make cost-effective mitigation decisions. This screenshot was taken during Minor Flooding Stage (National Weather Service) in St. Contact Email Peter.SALAMON (at) ec.europa.Screenshot of the new mobile-friendly USGS Flood Inundation Mapper. IMPORTANT NOTE: all the maps in this collection are based on JRC elaborations and are not official flood hazard maps (for details and limitations please refer to related publications). The collection also includes supplementary maps showing the river network and the water bodies considered in the creation of the flood maps More information can be found in the references mentioned in the description of each dataset. The maps can be used to assess the exposure of population and economic assets to river floods, and to perform flood risk assessments. European-scale maps comprise most of the geographical Europe and all the river basins entering the Mediterranean and Black Seas in the Caucasus, Middle East and Northern Africa countries.Īll maps are in raster format (GEOTIF) with a grid resolution of 100m (European-scale maps) and 30 arcseconds (global-scale maps). The maps have been developed using hydrological and hydrodynamic models, driven by the climatological data of the European and Global Flood Awareness Systems (EFAS and GloFAS). The datasets included in this collection depict flood prone areas in Europe and the World for river flood events of different magnitude
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