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Metadata Identifier: gov.noaa.csc.maps:2004_FDEM_Flagler_m526
MD_DataIdentification
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2004 Florida Division of Emergency Management (FDEM) Lidar: Portion of
Flagler County
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This metadata record describes the LiDAR data that was collected for 147 square
miles within part of Flagler County, Florida during 28 February - 5 May 2004. In 2008,
because the final lidar dataset satisfied the accuracy requirements in the FDEM Baseline
Specifications, the lidar data was processed into .LAS files, and breaklines and contours
were generated for the Florida Division of Emergency Management (FDEM) using the existing
lidar data from 2004.
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SV_Identification
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2004 Florida Division of Emergency Management (FDEM) Lidar: Portion of Flagler County |
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Lidar Final Report |
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None |
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North American Datum 1983 |
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resourceProvider |
http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269 |
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Citation URL |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/flagler/MTS%20Report%20Flagler%20County%20FL.pdf |
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NOAA CSC (originator) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
originator |
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NOAA CSC (publisher) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
publisher |
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NOAA CSC(distributor) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
distributor |
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NOAA CSC (processor) |
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DOC/NOAA/NOS/CSC > Coastal Services Center, National Ocean Service, National Oceanic
and Atmospheric Administration, U.S. Department of Commerce
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csc.info@noaa.gov |
processor |
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Doug Jacoby |
Merrick & Co |
Project Manager |
doug.jacoby@merrick.com |
processor |
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EPSG Registry |
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European Petroleum Survey Group |
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publisher |
http://www.epsg-registry.org/ |
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Florida Division of Emergency Management (FDEM) |
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originator |
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Florida Division of Emergency Management (FDEM) |
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gis@dca.state.fl.us |
pointOfContact |
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Mike Sutherland(author) |
Mike Sutherland |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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mike.sutherland@noaa.gov |
author |
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Mike Sutherland |
Mike Sutherland |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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mike.sutherland@noaa.gov |
distributor |
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Pamela Grothe |
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
of Commerce
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processor |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/flagler/MTS%20Report%20Flagler%20County%20FL.pdf |
Lidar Final Report |
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information |
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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.
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search |
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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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Ellipsoid in Meters |
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urn:ogc:def:crs:EPSG::4269 |
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Bounding Box |
Temporal Extent |
| 1 |
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-81.506793 |
-81.101503 |
29.671515 |
29.325883 |
2004-02-28 |
2004-05-05 |
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-81.506793 |
-81.101503 |
29.671515 |
29.325883 |
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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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Ellipsoid |
Ellipsoid in Meters |
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NAD83 |
urn:ogc:def:crs:EPSG::4269 |
North American Datum 1983 |
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Lidar Final Report |
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crossReference |
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2004-01-01T00:00:00 |
The ABGPS, IMU, and raw Leica ALS40 LiDAR data are integrated with
Leica's Incorporated ALS Post Processor software. The resultant file is in a LAS binary
file format. The LAS file version 1.1 format can be easily transferred from one file
format to another. It is a binary file format that maintains information specific
to the LiDAR data (return #, intensity value, xyz, etc). The resultant points are
produced in the geodetic coordinates referenced to the NAD83 HARN horizontal datum
and NAVD88 vertical datum. The date and time for each flight line can be determined
using the Julian date and time. The Julian date is a continuous count of days and
fractions since noon Universal Time on January 1, 4713 BCE on the Julian calendar.
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2008-01-01T00:00:00 |
The unedited data are classified to facilitate the application of
the appropriate feature extraction filters. A combination of proprietary filters are
applied as appropriate for the production of bare earth digital terrain models (dtms).
Interactive editing methods are applied to those areas where it is inappropriate or
impossible to use the feature extraction filters, based upon the design criteria and/or
limitations of the relevant filters. These same feature extraction filters are used
to produce elevation height surfaces. The LiDAR mass points were delivered in American
Society for Photogrammetry and Remote Sensing LAS 1.1 format. The header file for
each dataset is complete as define by the LAS 1.1 specification. In addition the following
fields are included: Flight Date Julian, Year, and Class. The LAS files do not include
overlap. The data was classified as follows: Class 1 = Unclassified. This class includes
vegetation, buildings, noise etc. Class 2 = Ground Class 9 = Water
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2008-01-01T00:00:00 |
Ground points were extracted from the LiDAR dataset and converted
to a multipoint feature class using ArcGIS.
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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 East 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.
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2011-04-27T00:00:00 |
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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