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The Florida Division of Emergency Management (DEM) contracted the Florida Geological Survey (FGS) to map the favorability of the State’s geology to sinkhole formation in response a large outbreak of sinkholes across the State following Tropical Storm Debby in late June, 2012. The project’s results are intended to bolster the State Hazard Mitigation Plan’s section on sinkhole hazards allowing for improved mitigation strategies. The three-and-a-half-year project was funded by the Federal Emergency Management Administration’ s Hazard Mitigation Grant Program (75%) and the State of Florida (25%). |
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The Florida Division of Emergency Management (DEM) contracted the Florida Geological Survey (FGS) to map the favorability of the State’s geology to sinkhole formation in response a large outbreak of sinkholes across the State following Tropical Storm Debby in late June, 2012. The project’s results are intended to bolster the State Hazard Mitigation Plan’s section on sinkhole hazards allowing for improved mitigation strategies. The three-and-a-half-year project was funded by the Federal Emergency Management Administration’ s Hazard Mitigation Grant Program (75%) and the State of Florida (25%). |
| accessInformation:
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Florida Division of Emergency Management, Florida Department of Environmental Protection, Florida Geological Survey |
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143816.834602645 |
| typeKeywords:
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["Data","Service","Image Service","ArcGIS Server"] |
| description:
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<div style='text-align:Left;'><div><div><p><span>The FGS used a modeling technique called Weights of Evidence (WofE) that involves the combination of diverse spatial data to describe and analyze interactions and generate predictive models from which a map of favorability can be produced. The project began with a one year pilot study in Columbia, Hamilton, and Suwannee Counties, during which methodologies were developed in preparation to model the entire state. To train and validate the model, locations of sinkholes were required. Over two-and-a-half-years, field teams traversed the state investigating over 3,600 points of interest (potential sinkholes) and mapped 654 sinkholes. After evaluating fourteen different spatial data types, the three statistically strong spatial data layers were used to model the favorability of the State’s geology to sinkhole formation. The resulting map depicts four classes representing areas where the geology is least favorable to most favorable to sinkhole formation.</span></p></div></div></div> |
| licenseInfo:
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<div style='text-align:Left;'><div><div><p><span>The data collected and entered into the output model by the Florida Geological Survey (FGS), an office of the Florida Department of Environmental Protection (DEP), are provided solely as a general reference and are not intended to replace site-specific or use-specific investigations. Use of FGS data by an end-user for any purpose other than general reference shall free the DEP and the FGS from any and all liability for outcomes resulting from unintended or inappropriate applications of FGS data. Examples of such applications include but are not limited to the mapping of point data with respect to cadastral boundaries and the use of geologic data for engineering purposes, and the interpolation of results of laboratory analysis that may or may not be deemed geologically analogous. As with all data, coordinates and datasets are subject to inherent errors due to limitations in the resources and technology available to record data. The FGS makes every effort to provide the most up-to-date and accurate information possible, but cannot be held liable for the use of outdated data regardless of whether more current data have been obtained, analyzed, or made available by the FGS or DEP. Any modifications of FGS data by end-users must be acknowledged and noted appropriately in all subsequent products and analysis, and any FGS logos or author information must be removed from altered FGS products prior to distribution to any other individual or entity. All FGS data are distributed on an "as is" basis and end-users shall assume all risks concerning data quality, performance, and analytic results. The same shall also be true concerning the use of unpublished drafts of FGS products, which may not be distributed to other individuals or entities without prior FGS approval. Comments and inquiries regarding FGS data, projects, and other analysis are encouraged and the FGS asks to be notified of any documented errors or inaccuracies. As a professional courtesy, the FGS asks that due credit be given when data sets created and distributed by the FGS are utilized by other individuals or entities. Further, since some or all of the data yielded from each FGS project were developed using public funds, no proprietary rights may be attached to FGS products wholly or in part, nor may FGS products be sold to the U.S. Government or the Florida State Government as part of any procurement of products or services. By using FGS data for any purpose other than general reference, the end-user acknowledges all the aforementioned stipulations and absolves the FGS completely of any responsibility for unintended or inappropriate usage. For questions, comments, or observations regarding FGS datasets, including questions concerning appropriate uses for specific datasets, please contact the FGS.</span></p></div></div></div> |
| catalogPath:
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| title:
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FGS_FAV_SINK_FORMATION |
| type:
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Image Service |
| url:
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https://ca.dep.state.fl.us/arcgis |
| tags:
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["Weights of Evidence","WofE","Sinkholes","Florida","Subsidence","Hazard Mitigation","geologic hazard","geoscientificInformation","Geology"] |
| culture:
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en-US |
| name:
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FGS_FAV_SINK_FORMATION |
| guid:
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|
| minScale:
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1.84085548291386E7 |
| spatialReference:
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NAD_1983_2011_Florida_GDL_Albers |