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Metadata Identifier: gov.noaa.csc.maps:2007_FDEM_HHD_m528
MD_DataIdentification
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2007 Florida Division of Emergency Management (FDEM) Lidar: Herbert Hoover
Dike Project Area (Southeastern Florida, Lake Okeechobee Surrounding Area)
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LiDAR data was collected by Merrick & Company from September through December
of 2007 for the Florida Division of Emergency Management (FDEM). The project area
is located in the southeastern part of Florida, in parts of the counties surrounding
Lake Okeechobee. LiDAR was collected over approximately 2289 square miles in parts
of the following counties: Broward, Glades, Hendry, Highlands, Martin, Okeechobee,
and Palm Beach. The maximum point spacing is 4 ft in unobscured areas. This data set
is a classified data set and has a classification for sugar cane.
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SV_Identification
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2007 Florida Division of Emergency Management (FDEM) Lidar: Herbert Hoover Dike Project
Area (Southeastern Florida, Lake Okeechobee Surrounding Area)
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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/herbert_hoover_dike/HHD_LiDAR_Mapping_Report.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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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 DEM |
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gis@dca.state.fl.us |
pointOfContact |
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Florida Division of Emergency Management (FDEM) |
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originator |
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Kenny Legleiter |
Merrick & Co |
Project Manager |
kenny.legleiter@merrick.com |
processor |
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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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| 1 |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/fl/fdem/herbert_hoover_dike/HHD_LiDAR_Mapping_Report.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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-81.325891 |
-80.130248 |
27.263520 |
26.313731 |
2007-09-08 |
2007-12-19 |
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-81.325891 |
-80.130248 |
27.263520 |
26.313731 |
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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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2009-01-01T00:00:00 |
The ABGPS, IMU, and raw Leica ALS50 Phase 2 Plus LiDAR data are integrated
with Leica Incorporated's 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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2009-01-01T00:00:00 |
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 defined by the LAS 1.1 specification. In addition the
following fields are included: Flight Date Julian, Year, and Class. The LAS files
do not contain overlap (class 12). The data was classified as follows: Class 1 = Unclassified.
This class includes vegetation, buildings, etc. Class 2 = Ground Class 3 = Sugarcane
(Job specific classification, not used in contour generation) Class 7 = Noise Class
9 = Water Class 12 = Overlap Sugarcane points (class 3) were added to this project
at the request of the US Army Corps of Engineers. The lidar sensor could not adequately
penetrate sugarcane fields. A method was developed to define the location of sugarcane.
Points inside of the sugar_cane feature class in the HHD geodatabase were either classified
as unclassified (class = 1) or sugarcane (class = 3). There are no ground (class =
2) points inside of the sugar_cane feature class.
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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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2011-09-07T00:00:00 |
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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