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Metadata Identifier: gov.noaa.csc.maps:2001_NC_Phase1B_m1399
MD_DataIdentification
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2001 North Carolina Floodplain Mapping Program (NCFMP) Lidar: Phase 1B
(Cape Fear and Lumber River Basins)
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This airborne LiDAR terrain mapping data was acquired in the spring of 2001.
The data were collected for the floodplain mapping program for the state of North
Carolina. The data were collected for the state in three phases: 1, 2, and 3. This
metadata record describes that data that were in phase 1 of collection and fall within
the Cape Fear and Lumber River Basins in central and eastern North Carolina. This
area consists of 30 counties which are listed below in the Place Keywords field. The
data were received by the NOAA Coastal Services Center from the U.S. Geological Survey
(USGS) Center for Lidar Coordination and Knowledge (CLICK). For data storage and Digital
Coast provisioning purposes, the CSC converted the data to geographic coordinates
and ellipsoid (Geoid99) elevations. The data are unclassified.
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SV_Identification
| 1 |
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2001 North Carolina Floodplain Mapping Program (NCFMP) Lidar: Phase 1B (Cape Fear
and Lumber River Basins)
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| 2 |
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None |
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| 1 |
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North American Datum 1983 |
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| 1 |
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resourceProvider |
http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269 |
| 1 |
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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| 1 |
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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| 1 |
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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| 1 |
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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| 1 |
EPSG Registry |
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European Petroleum Survey Group |
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publisher |
http://www.epsg-registry.org/ |
| 1 |
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Floodplain Mapping Program, North Carolina Division of Emergency Management |
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originator |
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| 1 |
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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| 1 |
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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| 1 |
Mike Sutherland (processor) |
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 |
processor |
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| 1 |
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NC Floodplain Mapping Program |
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hmorgan@ncem.org |
pointOfContact |
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| 1 |
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Sean Morgan |
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processor |
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| 1 |
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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 |
| 1 |
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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 |
| 1 |
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Ellipsoid in Meters |
| 1 |
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urn:ogc:def:crs:EPSG::4269 |
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Bounding Box |
Temporal Extent |
| 1 |
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-80.062511 |
-77.437490 |
36.375656 |
33.818820 |
2001-01-03 |
2001-03-23 |
| 1 |
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-80.062511 |
-77.437490 |
36.375656 |
33.818820 |
| 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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| 1 |
Ellipsoid |
Ellipsoid in Meters |
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| 1 |
NAD83 |
urn:ogc:def:crs:EPSG::4269 |
North American Datum 1983 |
| 1 |
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2002-05-31T00:00:00 |
Production Narrative: Data collected were processed to determine that
valid GPS values were achieved on all flights. The flight data was processed using
proprietary automated algorithms that calculate the x, y, and z value of each point
by combining GPS position of the aircraft, IMU attitude of the aircraft, range of
the laser pulse, and scan angle of the laser scanner. Resulting data from each flight
line was then compared to crossing and bordering flight lines to identify any residual
pitch, roll or yaw errors. Data were also compared to calibration flights over airports
in or adjacent to the Cape Fear and Lumber River Basins. Data were then edited in
TerraModel by comparing contour lines, shaded relief models (hillshading) and points
clouds within tiles and from one tile to the next. Finally, the data were compared
to available ground survey data prior to submitting to the State for QAQC checks.
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| 1 |
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2008-01-01T00:00:00 |
Lidar points were supplied to the USGS EROS Center. Points received
in a file format other than LAS were converted to LAS, if the data contained adequate
attribute information to create a valid LAS file and without the loss of any original
attribute information. The points have been re-tiled into a standard Quarter-Quad,
or Quarter-Quarter-Quad, scheme for publication on the CLICK website. The data remain
in the Coordinate Reference System in which they were received. No alteration of any
sort, of either the geometry or attribute values or structure has been performed.
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| 1 |
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2012-12-01T00:00:00 |
The lidar point data were received by the NOAA Coastal Services Center
from the USGS Center for Lidar Coordination and Knowledge (CLICK) in las format. The
files contained lidar elevation and intensity measurements. The data were unclassified,
in State Plane coordinates, and were vertically referenced to NAVD88. CSC performed
the following processing for data storage and Digital Coast provisioning purposes:
1. The data were converted from State Plane coordinates to geographic coordinates.
2. The data were converted from orthometric (NAVD88) heights to ellipsoidal heights
using Geoid99. 3. The data were sorted by time. 4. The data were converted to LAZ
format.
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| 1 |
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2013-04-03T00:00:00 |
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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