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Metadata Identifier: gov.noaa.csc.maps:2000_NY_Cayuga_m106
MD_DataIdentification
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2000 Cayuga County New York Lidar |
These data were collected in April of 2000 for the Cayuga County New York
Department of Planning and Economic Development. Elevation points were sampled at
densities necessary to support the generation of contours that meet or exceed United
States National Map Accuracy Standards applicable to the map scales that County tax
maps are published and for the following intervals of contour lines to be depicted:
four feet for the entire county, two feet for the City of Auburn and adjacent area
and two feet for six floodplain areas. This is a bare earth data set, the points,
however, are classified as "Never Classified". There are points returned from water
surfaces. Point spacing is approximately 5 m. Also, there are areas in the county
where the data have been regularized, i.e. gridded points.
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SV_Identification
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2000 Cayuga County New York Lidar |
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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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Cayuga County New York Department of Planning and Economic Development |
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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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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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Nick Colas |
Cayuga County Department of Planning and Economic Development |
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planning@co.cayuga.ny.us |
pointOfContact |
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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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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 |
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-76.738775 |
-76.261512 |
43.417704 |
42.611301 |
2000-04-01 |
2000-04-01 |
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-76.738775 |
-76.261512 |
43.417704 |
42.611301 |
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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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2000-01-01T00:00:00 |
The LiDAR data were collected in April 2000 for Cayuga County Department
of Planning and Economic Development by EagleScan/3Di LLC For the City of Auburn and
adjacent areas, the data was acquired at an altitude of 1000m (3000 ft) Above Ground
Level (AGL). For the remaining area of the county, the altitude was 2000m (6000 ft)
AGL.
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2006-01-03T00:00:00 |
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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2008-12-23T00:00:00 |
The NOAA Coastal Services Center (CSC) received the files in ESRI
shapefile format. The data were in New York State Plane coordinates, Central Zone,
NAD 83, NAVD88 vertical datum and the vertical units of measure were feet. CSC performed
the following processing to the data to make it available within Digital Coast: 1.
The data were converted from ESRI Shapefile format to las format using LASEdit. 2.
The data were converted from New York State Plane Central coordinates to geographic
coordinates. 3. The data were converted from NAVD88 (orthometric) heights to GRS80
(ellipsoid) heights using Geoid99. 4. The vertical unit of measure for the data was
converted from feet to meters. 5. The LAS data were sorted by latitude and the headers
were updated. 6. The data were filtered to remove outliers.
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