2007 Florida Division of Emergency Management (FDEM) Lidar Project: Southwest Florida

This Light Detection and Ranging (LiDAR) LAS dataset is a topographic survey conducted for a coalition of GIS practitioners, including the Florida Division of Emergency Management (FDEM), Florida Water Management Districts, Florida Fish and Wildlife Conservation Commission, Florida Department of Environmental Protection, Army Corps of Engineers Jacksonville District, and other state and federal agencies. The goal for this project is to use the LiDAR data as new elevation inputs for updated SLOSH data grids. The ultimate result is the update of the Regional Hurricane Evacuation Studies (RHES) for the state. The State of Florida Division of Emergency Management LiDAR Survey was collected under the guidance of a Professional Mapper/Surveyor.

This is a classified lidar data set, bare-earth points (class 2), noise points (class 7), water returns (class 9), and unclassified data (class 1). Class 12 contains LiDAR points removed from the overlap region between adjacent flight lines. The LiDAR data was flown at a density sufficient to support a maximum final post spacing of 4 feet for unobscured areas.

This data set is a collection of smaller project areas collected at different times in southwest Florida. Specifically, the data were collected within portions of Pinellas, Hillsborough, Manatee, Sarasota, Charlotte, Lee, Collier, and Monroe. In the original project 2 sections of Pasco county were used: data collection in 2004 as well as a small coastal section in 2008. These have been removed and designated as individual projects named 2004 Pasco - Classified and 2008 Coastal Pasco respectively.

The dates of collection are:

Project Area B: 20070706-20070810

Project Area C: 20070706-20070810

Project Area D: 20070717-20070729

Project Area E: 20070717-20070708

Project Area F: 20070618-20070806

Project Area G: 20070612-20070630, 20070702, 20070714, 20070804-20070805

Project Area H: 20070615-20070629

Lee Buy Up: 20070811-20070824

Sarasota Buy Up: 20070828-20070830

DEMs are available by request. Please submit an email to coastal.info@noaa.gov with the appropriate subject line.

The LiDAR topographic mapping survey is to support the Florida Division of Emergency Management (FDEM) development and maintenance

of Regional Hurricane Evacuations Studies (RHES), which include vulnerability assessments, and to assist disaster response

personnel in understanding the threats to Florida's citizens and visitors. Additional intended uses for this survey are growth

management, map modernization/floodplain mapping, natural lands stewardship, and homeland security planning.

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A footprint of this entire FDEM southwest Florida project area may be viewed in Google Earth at:

https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/529/supplemental/FDEM_Lidar_Southwest_Florida.kmz

Final Report of LiDAR Mapping and a Final Report of LiDAR Control and QA/QC Checkpoint Survey may be accessed at: https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid18/529/supplemental/WOOLPERTLiDARPASCOCOUNTYCOASTALTILESMTSVOL1.PDF

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Any conclusions drawn from the analysis of this information are not the responsibility of FDEM, NOAA, the Office for Coastal Management

or its partners.

This data can be obtained on-line at the following URL: https://coast.noaa.gov/dataviewer;

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Users should be aware that temporal changes may have occurred since this data set was collected and some parts of this data may no longer

represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations.

Horizontal accuracy is +/- 3.8-foot at the 95% confidence level using RMSE(r) x 1.7308 as defined by the FGDC Geospatial

Positional Accuracy Standards, Part 3: NSSDA.

Please refer to the Supplemental_Information field above for links to the Final Report of LiDAR Mapping and a Final Report of LiDAR

Control and QA/QC Checkpoint Survey for each project area.

0.3-feet RMSE for unobscured ground points

Please refer to the Supplemental_Information field above for links to the Final Report of LiDAR Mapping and a Final Report of LiDAR

Control and QA/QC Checkpoint Survey for each project area.

This LiDAR data represents the complete set of data for all the project areas in southwest Florida.

The LiDAR DTM was developed in accordance with the Baseline Specifications 1.2. The DTM is intended to support 2-foot contours, and

the vertical accuracy of ground points in unobscured areas is not to exceed 0.6-feet RMSE.