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Metadata Identifier: gov.noaa.csc.maps:USACE2007_GL_Erie_NY_m523
MD_DataIdentification
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2007 US Army Corps of Engineers (USACE) National Coastal Mapping Topobathy
Lidar (Bare Earth) - New York (Lake Erie shoreline)
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This is a bare earth data set. The data contained in these files contain hydrographic
and topographic data collected by the CHARTS system along the Lake Erie coast of NY
in Chautauqua and Erie Counties, from July 26 - August 4, 2007. The data were collected
and processed in geographic coordinates and ellipsoid heights. The positions were
relative to NAD83 in decimal degrees of longitude and latitude. The heights were converted
from ellipsoid to orthometric heights (NAVD88) using the Geoid03 model with the results
in meters. CHARTS integrates topographic and bathymetric lidar sensors, a digital
camera and a hyperspectral scanner on a single remote sensing platform for use in
coastal mapping and charting activities. Data coverage generally extends along the
coastline from the waterline inland 500 meters (topography) and offshore 1,000 meters
or to laser extinction (bathymetry). The topographic lidar sensor has a pulse repetition
rate of 9 kHz at 1064 nm (near-infrared wavelength). The bathymetric lidar sensor
has a pulse repetition rate of 1 kHz at 532 nm (green wavelength). Native lidar data
is not generally in a format accessible to most Geographical Information Systems (GIS).
Specialized in-house and commercial software packages are used to process the native
lidar data into 3-dimensional positions that can be imported into GIS software for
visualization and further analysis.
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SV_Identification
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2007 US Army Corps of Engineers (USACE) National Coastal Mapping Topobathy Lidar (Bare
Earth) - New York (Lake Erie shoreline)
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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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Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA),
National Ocean Service (NOS), Coastal Services Center (CSC)
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Coastal Elevation Mapping (CEM) Project Scientist |
tcm@csc.noaa.gov |
pointOfContact |
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Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA),
National Ocean Service (NOS), Coastal Services Center (CSC)
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originator |
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Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA),
National Ocean Service (NOS), Coastal Services Center (CSC)
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Coastal Elevation Mapping (CEM) Project Scientist |
tcm@csc.noaa.gov |
distributor |
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Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA),
National Ocean Service (NOS), Coastal Services Center (CSC)
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Coastal Elevation Mapping (CEM) Project Scientist |
tcm@csc.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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JALBTCX |
Data Production Manager |
shoals-info@sam.usace.army.mil |
pointOfContact |
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JALBTCX |
Data Production Manager |
shoals-info@sam.usace.army.mil |
processor |
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JALBTCX (Joint Airborne Lidar Bathymetry Technical Center of Expertise) |
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originator |
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NOAA's Ocean Service, Coastal Services Center (CSC) |
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publisher |
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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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pamela.grothe@noaa.gov |
distributor |
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| 1 |
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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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pamela.grothe@noaa.gov |
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 |
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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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urn:ogc:def:crs:EPSG::4269 |
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Bounding Box |
Temporal Extent |
| 1 |
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-79.772569 |
-78.804432 |
42.930728 |
42.218770 |
2007-07-26 |
2007-08-04 |
| 1 |
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-79.772569 |
-78.804432 |
42.930728 |
42.218770 |
| 1 |
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Any conclusions drawn from the analysis of this information are not the
responsibility of the USACE, JALBTCX, the Coastal Services Center or its partners.
Disclaimer While every effort has been made to ensure that these data are accurate
and reliable within the limits of the current state of the art, NOAA cannot assume
liability for any damages caused by any errors or omissions in the data, nor as a
result of the failure of the data to function on a particular system. NOAA makes no
warranty, expressed or implied, nor does the fact of distribution constitute such
a warranty.
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NAD83 |
urn:ogc:def:crs:EPSG::4269 |
North American Datum 1983 |
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2008-01-01T00:00:00 |
These data were collected using the CHARTS surveys system. It is owned
by the Naval Oceanographic Office and operated through contract. The system collects
topographic lidar data at 20 kHz and hydrographic data at 3 kHz. The system also collects
RGB imagery at 1Hz. A CASI-1500 hyperspectral line scanner is integrated with the
system as well. Aircraft position, velocity and acceleration information are collected
through a combination of Novatel and POS A/V equipment. Raw data are collected and
transferred to the office for downloading and processing in SHOALS GCS software. GPS
data are processed using POSPac software and the results are combined with the lidar
data to produce 3-D positions for each lidar shot. These data are edited using Fledermaus
software where anomalous data are removed from the dataset. The data are converted
from ellipsoid to orthometric heights, based on the GEOID03 model, within the chartsLAS
program.
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2009-06-01T00:00:00 |
The NOAA Coastal Services Center (CSC) received topographic and hydrographic
files in ASCII format. The files contained LiDAR elevation and intensity measurements.
The points were classed as 'never classified.' LASEdit was used to bare earth classify
the data. The data were provided in geographic coordinates and ellipsoidal heights
and in orthometric heights. CSC performed the following processing to the ellipsoidal
height data to make it available within the Digital Coast: 1. LASEdit was used to
convert the ASCII formatted files to las format. 2. The hydrographic point's classification
was changed from 'never classified' to class 11, 'bathymetry'. 3. The topographic
points were bare earth classified using LASEdit. 4. The LAS data were sorted by latitude
and the headers were updated.
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2011-04-28T00:00:00 |
The NOAA National Geophysical Data Center (NGDC) received Lidar data
files by ftp. The data received compressed containing LiDAR data from the NOAA Coastal
Services Center. The data are currently being served via Digital Coastl at http://www.csc.noaa.gov/digitalcoast/.
The data can be used to re-populate the system. The data are provided in LAS format.
LAS format is an industry standard for serving LiDAR data. The data are exclusively
in geographic coordinates, however, the datums used vary. Most are NAD 83, however
some are in ITRF. Vertical systems include both ellipsoid (ITRF and NAD 83) and NAVD
88. For NAVD 88 values, Geiod 03 is primarily used; however, data received in NAVD
88 prior to 2003 was processed using Geoid 99.
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