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Metadata Identifier: gov.noaa.csc.maps:me2010_usgs_coastal_m2477

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 2010 U.S. Geological Survey (USGS) ARRA Topographic LiDAR: Coastal Maine USGS Contract: G10PC00026 Task Order Number: G10PD02143 Task Order Number: G10PD01027 LiDAR was collected at a 2.0 meter nominal post spacing (2.0m GSD) for approximately 3,197 square miles of coastal Maine as part of the American Recovery and Reinvestment Act (ARRA) of 2010, while no snow was on the ground and rivers were at or below normal levels. Project meets U.S. Geological Survey National Geospatial Program Base LiDAR Specification, Version 12.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 2010 U.S. Geological Survey (USGS) ARRA Topographic LiDAR: Coastal Maine
  • 2013-03-01
1 None
    1 North American Datum 1983
    • 2007-01-19
    1 none
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      CI_Series

      none found
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      CI_ResponsibleParty

      Count Component Individual Organization Position Email Role Linkage
      1 resourceProvider http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4269
      1 NOAA CSC (originator) DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce coastal.info@noaa.gov originator http://coast.noaa.gov
      1 NOAA CSC (publisher) DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce coastal.info@noaa.gov publisher http://coast.noaa.gov
      1 NOAA CSC(distributor) DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce coastal.info@noaa.gov distributor http://coast.noaa.gov
      1 NOAA CSC (processor) DOC/NOAA/NOS/OCM > Office for Coastal Management, National Ocean Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce coastal.info@noaa.gov processor http://coast.noaa.gov
      1 DOI/USGS > United States Geological Survey, U.S. Department of the Interior originator
      1 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
      1 Mike Sutherland(author) Mike Sutherland DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce mike.sutherland@noaa.gov author
      1 Mike Sutherland Mike Sutherland DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce mike.sutherland@noaa.gov distributor
      1 Mike Sutherland (processor) Mike Sutherland DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce mike.sutherland@noaa.gov processor
      1 Robert Kelly United States Geological Survey, National Geospatial Technical Operations Center (NGTOC) USGS NGTOC ckelly@usgs.gov pointOfContact
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      CI_OnlineResource

      Count Component Linkage Name Description Function
      4 http://coast.noaa.gov
      1 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. search
      1 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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      MD_Identifier or RS_Identifier

      Count Component Code
      1 Ellipsoid in Meters
      1 urn:ogc:def:crs:EPSG::4269
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      EX_Extent

      Bounding Box Temporal Extent
      Count Component Description West East North South Start End
      1 -69.751826 -66.953401 45.192842 43.742543 2010-10-24 2010-12-01
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      EX_GeographicBoundingBox

      Count Component West East North South
      1 -69.751826 -66.953401 45.192842 43.742543
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      EX_TemporalExtent

      Count Component Start End
      1 2010-10-24 2010-12-01
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      MD_Format

      Count Component Name Version specification
      1 LAZ
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      MD_Medium

      none found
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      MD_Constraints

      Count Component Use Limitation
      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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      MD_ReferenceSystem

      Count Component Code Authority Title
      1 Ellipsoid Ellipsoid in Meters
      1 NAD83 urn:ogc:def:crs:EPSG::4269 North American Datum 1983
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      MD_GridSpatialRepresentation

      none found
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      MD_Georeferenceable or MI_Georeferenceable

      none found
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      MD_Georectified or MI_Georectified

      none found
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      MD_Dimension

      none found
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      MD_CoverageDescription or MI_CoverageDescription

      none found
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      MD_Band or MI_Band

      none found
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      MI_RangeElementDescription

      none found
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      MD_AggregateInformation

      none found
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      LE_Source or LI_Source

      none found
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      LE_ProcessStep or LI_ProcessStep

      Count Component DateTime Description
      1 2010-01-01T00:00:00 Applanix software was used in the post processing of the airborne GPS and inertial data that is critical to the positioning and orientation of the sensor during all flights. POSPac MMS provides the smoothed best estimate of trajectory (SBET) that is necessary for Optech's post processor to develop the point cloud from the LiDAR missions. The point cloud is the mathematical three dimensional collection of all returns from all laser pulses as determined from the aerial mission. At this point this data is ready for analysis, classification, and filtering to generate a bare earth surface model in which the above ground features are removed from the data set. The point cloud was manipulated within the Optech software; GeoCue, TerraScan, and TerraModeler software was used for the automated data classification, manual cleanup, and bare earth generation from this data. Project specific macros were used to classify the ground and to remove the side overlap between parallel flight lines. All data was manually reviewed and any remaining artifacts removed using functionality provided by TerraScan and TerraModeler. All Class 2 LiDAR data inside of the collected breaklines were then classified to Class 9 using TerraScan macro functionality. A buffer of 1 meter was also used around each hydro flattened feature. The breakline files were then translated to ESRI Shapefile format using ESRI conversion tools. Data was then run through additional macros to ensure deliverable classification levels matching LAS ASPRS Classification structure. GeoCue functionality was then used to ensure correct LAS Version. In house software was used as a final QA/QC check to provide LAS Analysis of the delivered tiles.
      1 2012-12-01T00:00:00 The NOAA Coastal Services Center (CSC) received topographic files in LAS V1.2 format. The files contained lidar elevation and intensity measurements. The data were received in UTM Zone 19N (NAD83) coordinates and were vertically referenced to NAVD88 using the Geoid09 model. The vertical units of the data were meters. CSC performed the following processing for data storage and Digital Coast provisioning purposes: 1. Elevations less than -1.0 meters were filtered and removed from the data. 2. The following Classes (Unknown categories) were combined into Class 1 (Unclassified): 0,3,4,5,6,8,11,13,14,15,16,17,18,20,21,22,23,24,25,26,27,28,29,30,31. 3. Class 19 (Open Water) was combined into Class 9 (Water). 4. The topographic las files were converted from orthometric (NAVD88) heights to ellipsoidal (NAD83) heights using Geoid09. 5. The topographic las files were converted from a Projected Coordinate System (UTM Zone 19N) to a Geographic Coordinate system (NAD83). 6. The topographic las files' horizontal units were converted from meters to decimal degrees. 7. The data were converted to LAZ format.
      1 2013-05-15T00:00:00 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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      MI_Operation

      none found
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      MI_Platform

      none found
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      MI_Instrument

      none found
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