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Metadata Identifier: gov.noaa.csc.maps:2006_TX_Nueces_m548
MD_DataIdentification
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2006 Federal Emergency Management Agency (FEMA) Lidar: Nueces County,
Texas
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Spectrum Mapping, LLC was tasked by MAPVI - URS Corporation, Albuquergue,
to provide airborne Light Detection and Ranging (Lidar) of approximately 620 square
miles around Nueces County, Texas. MAPVI (Mapping Alliance Partnership VI for FEMA
Region IV) is a joint venture of URS Corporation, Greenhorne & O'Mara and Spectrum
Mapping. Spectrum followed data collection and processing procedures for Federal Emergency
Management Agency (FEMA) Guidelines and Specifications Appendix A. Data product deliverables
included Lidar to support 2 foot contours. Spectrum's acquisition division collected
the Lidar data on June 19, 22-25, 27, 28 and July 16 and 17, 2006. The project was
collected with a Rams ALS50 Lidar sensor, including an inertial measurement unit (IMU)
and a dual frequency Global Positioning System (GPS) receiver and antenna. Upon receipt
of this data, the NOAA Coastal Serices Center reclassified all non-ground data to
a classification of 1 (Unclassified) and all ground points to a classification of
2 (Ground).
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SV_Identification
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2006 Federal Emergency Management Agency (FEMA) Lidar: Nueces County, Texas |
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Accuracy Assessment, Cleanliness and Final Reports |
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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/tx/nueces |
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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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Federal Emergency Management Agency (FEMA) |
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originator |
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Federal Emergency Management Agency (FEMA), Region VI |
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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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| 1 |
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Steven Scharf |
Spectrum Mapping, LLC |
Project Manager |
info@specmap.com |
processor |
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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/tx/nueces |
Accuracy Assessment, Cleanliness and Final Reports |
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information |
| 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 |
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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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-97.944170 |
-97.041570 |
28.016539 |
27.556339 |
2006-06-22 2006-06-27 2006-07-16 |
2006-06-25 2006-06-28 2006-07-17 |
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-97.944170 |
-97.041570 |
28.016539 |
27.556339 |
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2006-06-22 |
2006-06-25 |
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2006-06-27 |
2006-06-28 |
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2006-07-16 |
2006-07-17 |
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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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| 1 |
NAD83 |
urn:ogc:def:crs:EPSG::4269 |
North American Datum 1983 |
| 1 |
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Accuracy Assessment, Cleanliness and Final Reports |
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crossReference |
| 1 |
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2006-10-02T00:00:00 |
Spectrum Mapping, LLC was tasked by MAPVI - URS Corporation, Albuquergue,
to provide airborne Light Detection and Ranging (Lidar) of approximately 620 square
miles around Nueces County, Texas. MAPVI (Mapping Alliance Partnership VI for FEMA
Region IV) is a joint venture of URS Corporation, Greenhorne & O'Mara and Spectrum
Mapping. Spectrum followed data collection and processing procedures for Federal Emergency
Management Agency (FEMA) Guidelines and Specifications Appendix A. Data product deliverables
included Lidar to support 2 foot contours. Spectrum's acquisition division collected
the Lidar data on June 19, 22 - 25, 27, 28 and July 16 and 17, 2006. The project was
collected with a Rams ALS50 Lidar sensor, including an inertial measurement unit (IMU)
and a dual frequency Global Positioning System (GPS) receiver and antenna. Dates of
data processing were June 19 - October 2, 2006.
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| 1 |
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2009-01-05T00:00:00 |
The NOAA Coastal Services Center (CSC) received the files in las format.
The files contained Lidar elevation and intensity measurements. The data was in Texas
State Plane coordinates - South (FIPS Zone 4205), NAD83 and NAVD88 Geoid 03 vertical
datum and US Survey Feet. CSC performed the following processing to the data to make
it available within the Digital Coast: 1. The data were converted from Texas State
Plane coordinates to geographic coordinates. 2. The data were converted from NAVD88
(orthometric) heights to GRS80 (ellipsoid) heights using Geoid 03. 3. The data were
converted from US Survey feet to meters. 4. The LAS data were sorted by latitude and
the headers were updated. 5. All non-ground data reclassified to a classification
of 1 (Unclassified) and all ground points reclassified to a classification of 2 (Ground).
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2011-05-03T00:00:00 |
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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