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Metadata Identifier: gov.noaa.csc.maps:2004-2008_FDEM_Southwest_m529

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 2004 - 2008 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, Monroe, and a small portion of the coastal area of Pasco, Counties. Project Area A, also in Pasco County, is data from the Southwest Florida Water Management District (SWFWMD), collected in 2004, and was not part of the FDEM collection effort. Project Area A has been added to this FDEM southwest Florida data set. The dates of collection are: Project Area A: 2004 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 Pasco Coastal: 20080209
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 2004 - 2008 Florida Division of Emergency Management (FDEM) Lidar Project: Southwest Florida
  • 2009-01-01
1 Lidar Final Reports
    1 North American Datum 1983
    • 2007-01-19
    2 none
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      CI_Series

      none found
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      CI_ResponsibleParty

      Count Component Individual Organization Position Email Role Linkage
      1 resourceProvider http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
      1 Citation URL ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/southwest/
      1 NOAA CSC (originator) DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce csc.info@noaa.gov originator
      1 NOAA CSC (publisher) DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce csc.info@noaa.gov publisher
      1 NOAA CSC(distributor) DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce csc.info@noaa.gov distributor
      1 NOAA CSC (processor) DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce csc.info@noaa.gov processor
      1 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
      1 Florida Division of Emergency Management gis@dca.state.fl.us pointOfContact
      1 Florida Division of Emergency Management (FDEM) originator
      1 Mike Sutherland(author) Mike Sutherland DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce mike.sutherland@noaa.gov author
      1 Mike Sutherland Mike Sutherland DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce mike.sutherland@noaa.gov distributor
      1 Pamela Grothe DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce processor
      1 Richard R. Hudson, PE, PSM, CP Woolpert, Inc. Project Manager www.woolpert.com processor
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      CI_OnlineResource

      Count Component Linkage Name Description Function
      1 ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/southwest/ Lidar Final Reports information
      1 http://www.epsg-registry.org/ European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
      1 http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269 NAD83 Link to Geographic Markup Language (GML) description of reference system. information
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      MD_Identifier or RS_Identifier

      Count Component Code
      1 Ellipsoid in Meters
      1 urn:ogc:def:crs:EPSG::4269
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      EX_Extent

      Bounding Box Temporal Extent
      Count Component Description West East North South Start End
      1 -82.857559 -81.246662 28.431265 25.777308 2004-01-01 2008-02-09
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      EX_GeographicBoundingBox

      Count Component West East North South
      1 -82.857559 -81.246662 28.431265 25.777308
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      EX_TemporalExtent

      Count Component Start End
      1 2004-01-01 2008-02-09
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      MD_Format

      Count Component Name Version specification
      1 LAZ
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      MD_Medium

      none found
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      MD_Constraints

      Count Component Use Limitation
      1 Lidar Use Limitation These data depict the elevations at the time of the survey and are only accurate for that time. 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. Any conclusions drawn from analysis of this information are not the responsibility of NOAA or any of its partners. These data are NOT to be used for navigational purposes.
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      MD_ReferenceSystem

      Count Component Code Authority Title
      1 Ellipsoid Ellipsoid in Meters
      1 NAD83 urn:ogc:def:crs:EPSG::4269 North American Datum 1983
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      MD_GridSpatialRepresentation

      none found
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      MD_Georeferenceable or MI_Georeferenceable

      none found
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      MD_Georectified or MI_Georectified

      none found
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      MD_Dimension

      none found
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      MD_CoverageDescription or MI_CoverageDescription

      none found
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      MD_Band or MI_Band

      none found
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      MI_RangeElementDescription

      none found
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      MD_AggregateInformation

      Count Component Title Code Association Type Code
      1 Lidar Final Reports crossReference
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      LE_Source or LI_Source

      none found
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      LE_ProcessStep or LI_ProcessStep

      Count Component DateTime Description
      1 2008-07-31T00:00:00 LiDAR was collected within portions of Pinellas, Hillsborough, Manatee, Sarasota, Charlotte, Lee, Collier, Monroe, and a very small coastal area of Pasco, Counties. System Parameters/Flight Plan. The LiDAR system acquisition parameters were developed based on a maximum average ground sample distance of 4 feet. Two Leica ALS50 sensors were used for acquisition. Acquisition specifications for the two sensors were as follows: Sensor 19 Field of View (full angle) - 29 degrees Nominal flight altitude (AMSL) - 3999.30 feet Airspeed - 54.02 meters/sec Laser pulse rate - 75,000 Hz Nominal swath width (on ground) - 2068.58 feet Maximum cross track point spacing - 3.91 feet Maximum along track point spacing - 3.94 feet Average point spacing - 2.21 feet Flight line spacing - 1544.95 feet Side overlap - 25.31 percent Sensor 59 Field of View (full angle) - 29 degrees Nominal flight altitude (AMSL) - 3999.30 feet Airspeed - 60.70 meters/sec Laser pulse rate - 84,400 Hz Nominal swath width (on ground) - 2068.58 feet Maximum cross track point spacing - 3.94 feet Maximum along track point spacing - 3.91 feet Average point spacing - 2.21 feet Flight line spacing - 1413.72 feet Side overlap - 31.66 percent LiDAR System Calibration. Prior to the LiDAR acquisition, the system underwent a calibration to verify the operational accuracy and misalignment angles. Boresight calibrations were performed for each LiDAR system at the beginning and end of each flight mission. LiDAR Data Acquisition. LiDAR data acquisition only occurred when the sky was sufficiently clear of clouds, smoke, and atmospheric haze. The LiDAR data was processed immediately after the acquisition to verify the coverage had no voids. GPS/Inertial Measurement Unit (IMU) Post Processing. The GPS and IMU data was post processed using differential and kalman filter algorithms to derive a best estimate of trajectory. The quality of the solution was verified to be consistent with the accuracy requirements of the project. LiDAR Processing and Classification. The LiDAR data was post processed and verified to be consistent with the project requirements in terms of post spacing and absence of artifacts. The point cloud underwent classification to determine 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 MASSPOINT feature class contains ground (class 2) points only.
      1 2010-01-01T00:00:00 The NOAA Coastal Services Center (CSC) received files in LAS format. The files contained LiDAR intensity and elevation measurements. CSC performed the following processing on the data to make it available within Digital Coast: 1. The data were converted from State Plane Florida West coordinates to geographic coordinates. 2. The data were converted from NAVD88 heights to ellipsoid heights using Geoid03. 3. The LAS header fields were sorted by latitude and updated.
      1 2011-10-05T00:00:00 The NOAA National Geophysical Data Center (NGDC) received lidar data files via ftp transfer from the NOAA Coastal Services Center. The data are currently being served via NOAA CSC Digital Coast at http://www.csc.noaa.gov/digitalcoast/. The data can be used to re-populate the system. The data are archived in LAS or LAZ format. The LAS format is an industry standard for LiDAR data developed by the American Society of Photogrammetry and Remote Sensing (ASPRS); LAZ is a loseless compressed version of LAS developed by Martin Isenburg (http://www.laszip.org/). The data are exclusively in geographic coordinates (either NAD83 or ITRF94). The data are referenced vertically to the ellipsoid (either GRS80 or ITRF94), allowing for the ability to apply the most up to date geoid model when transforming to orthometric heights.
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      MI_Operation

      none found
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      MI_Platform

      none found
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      MI_Instrument

      none found
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