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Metadata Identifier: gov.noaa.csc.maps:2007_NY_Niagara_m112
MD_DataIdentification
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2007 Federal Emergency Management Agency (FEMA) Niagara County New York
Lidar
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The spring 2007 LiDAR Flight Acquisition required the collection of approximately
526 square miles of Niagara County and approximately 30 square miles of the corridors
of Erie County. Total, approximately 555 square miles were collected at a nominal
point spacing of 1.4 meters and based on the Sanborn FEMA compliant LiDAR product
specification. The lidar data was collected from Jan 3 2007-May 9 2007. Multiple returns
were recorded for each laser pulse along with an intensity value for each return.
The lidar points in this data set are the last return data, it is not a bare earth
data set and the points have not been classified. LIDAR data is remotely sensed high-resolution
elevation data collected by an airborne collection platform. Using a combination of
laser range finding, GPS positioning and inertial measurement technologies; LIDAR
instruments are able to make highly detailed Digital Elevation Models (DEM) of the
earth's terrain, man-made structures and vegetation. This data was collected at a
resolution to aid in coastal management decisions including flood plain analysis and
mapping.
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SV_Identification
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2007 Federal Emergency Management Agency (FEMA) Niagara County New York Lidar |
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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/ny/erie/Final_LiDAR_Report_Niagara_Erie.doc |
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DHS/FEMA > Federal Emergency Management Agency, U.S. Department of Homeland Security |
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originator |
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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, Region II |
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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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ftp://ftp.csc.noaa.gov/pub/crs/beachmap/qa_docs/ny/erie/Final_LiDAR_Report_Niagara_Erie.doc |
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 |
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-79.109826 |
-78.411653 |
43.391887 |
42.999853 |
2007-01-03 |
2007-05-09 |
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-79.109826 |
-78.411653 |
43.391887 |
42.999853 |
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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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2007-01-01T00:00:00 |
1. Fly lidar with Optech 2050 at nominal 1.4 m point spacing. 2. Process
Airborne GPS using the GrafNAV V7.50 software by Waypoint Consulting of Calgary, Alberta,
Canada. 3. Process IMU data using the PosPac V4.2 software by Applanix Corporation
of Richmond Hill, Ontario, Canada. 4. Reflective Surface Generation using the ASL
Post Processor software by Leica Geosystems software of Terrasolid Limited of Helsinki,
Finland.
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2009-03-25T00:00:00 |
The NOAA Coastal Services Center (CSC) received the files in ASCII
format. The files contained Lidar elevation and intensity measurements. The data were
in State Plane New York West, FIPS 3103 coordinates, horizontal units of measure of
US survey feet and in NAVD88 Geoid 03 vertical datum with vertical units of measure
of feet. CSC performed the following processing to the data to make it available within
the Digital Coast: 1. The data were converted from NY State Plane coordinates to geographic
coordinates. 2. The data were converted from NAVD88 (orthometric) heights to GRS80
(ellipsoid) heights using Geoid 03. 3. The LAS data were sorted by latitude and the
headers were updated. 4. The data were filtered to remove outliers.
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2009-07-28T00:00:00 |
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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