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Metadata Identifier: gov.noaa.csc.maps:2009_CA_bathy_m1178

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 2009 US Army Corps of Engineers (USACE) Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX) Bathymetric Lidar: Southern California These files contain bathymetric lidar data collected by the SHOALS-1000T system along the coast of California. Data coverage generally extends along the coastline from the waterline offshore 1,000 meters or to laser extinction. Exclusively in areas where Fugro Pelagos acquired or planned to acquire multibeam sonar data by December 31, 2009, data coverage extends from the shoreline either to the 10-m contour, the 20-m contour or the landward extent of the multibeam data plus an additional 100 m offshore. The SHOALS system 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. Horizontal positions, provided in decimal degrees of latitude and longitude, are referenced to the North American Datum of 1983 (NAD83). Vertical positions are referenced to the NAD83 ellipsoid and provided in meters. The National Geodetic Survey's (NGS) GEOID09 model is used to transform the vertical positions from ellipsoid to orthometric heights referenced to the North American Vertical Datum of 1988 (NAVD88). Both ellipsoidal and orthometric heights were provided to NOAA CSC. For data storage and Digital Coast provisioning, NOAA CSC processed the ellipsoidal height data.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 2009 US Army Corps of Engineers (USACE) Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX) Bathymetric Lidar: Southern California
    2012-05-01
2 None
    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 Mike Sutherland(author) author
      1 NOAA CSC (publisher) publisher
      1 JALBTCX (pointOfContact) pointOfContact
      1 NOAA CSC(distributor) distributor
      2 NOAA CSC (processor) processor
      1 Fugro Pelagos, Inc. LIDAR Data Manager processor
      Unresolved Xlinks
      Mike Sutherland(author) at: /gmi:MI_Metadata/gmd:contact[1]
      NOAA CSC (originator) at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:citation[1]/gmd:CI_Citation[1]/gmd:citedResponsibleParty[1]
      JALBTCX (originator) at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:citation[1]/gmd:CI_Citation[1]/gmd:citedResponsibleParty[2]
      NOAA CSC (publisher) at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:citation[1]/gmd:CI_Citation[1]/gmd:citedResponsibleParty[3]
      JALBTCX (pointOfContact) at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:pointOfContact[1]
      NOAA CSC(distributor) at: /gmi:MI_Metadata/gmd:distributionInfo[1]/gmd:MD_Distribution[1]/gmd:distributor[1]/gmd:MD_Distributor[1]/gmd:distributorContact[1]
      Mike Sutherland at: /gmi:MI_Metadata/gmd:distributionInfo[1]/gmd:MD_Distribution[1]/gmd:distributor[2]/gmd:MD_Distributor[1]/gmd:distributorContact[1]
      NOAA CSC (processor) at: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[3]/gmi:LE_ProcessStep[1]/gmd:processor[1]
      Mike Sutherland (processor) at: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[4]/gmi:LE_ProcessStep[1]/gmd:processor[1]
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      CI_OnlineResource

      none found
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      MD_Identifier or RS_Identifier

      none found
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      EX_Extent

      Bounding Box Temporal Extent
      Count Component Description West East North South Start End
      1 -121.400085 -117.112676 35.834105 32.534234 2009-09-28 2009-10-28
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      EX_GeographicBoundingBox

      Count Component West East North South
      1 -121.400085 -117.112676 35.834105 32.534234
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      EX_TemporalExtent

      Count Component Start End
      1 2009-09-28 2009-10-28
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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

      Unresolved Xlinks
      Lidar Use Limitation at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:resourceConstraints[1]
      NOAA Legal Statement at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:resourceConstraints[2]
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      MD_ReferenceSystem

      Unresolved Xlinks
      NAD83 at: /gmi:MI_Metadata/gmd:referenceSystemInfo[1]
      Ellipsoid at: /gmi:MI_Metadata/gmd:referenceSystemInfo[2]
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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 2009-01-01T00:00:00 These data were collected using the SHOALS-1000T system. It is owned by Fugro Pelagos Inc. and operated through contract. The system collects bathymetric lidar data at 1kHz and RGB imagery at 1Hz. A CASI-2 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 410 equipment. All raw data streams are transferred to the office for downloading and processing in SHOALS GCS software. Aircraft position data are processed using POSPac software and the results are combined with the lidar data to produce 3-D positions for each lidar shot. Upon inspection and QA/QC in the software package Fledermaus, anomalous data are flagged as invalid. FPI Workbench then converts all valid data from ellipsoid to orthometric heights based on the NGS' GEOID09 model and exports data as a series of bathymetry (H) ASCII files. The bathymetry files contain all of the returns from the bathymetric sensor which include returns both above and below the water.
      1 2012-05-01T00:00:00 The NOAA Coastal Services Center (CSC) received ASCII formatted data in geographic coordinates and ellipsoid heights in meters. The files contained lidar intensity and elevation measurements. CSC performed the following processing for data storage and Digital Coast provisioning purposes: 1. The data were converted from ASCII format to LAS format. 2. The data were classified as 11 (Bathymetry). 3. The processed las files were zipped.
      1 2014-01-09T00:00:00 Times had originally been stored as POSIX seconds when converted to LAS. This was switched to adjusted GPS time (GPS seconds - 1e9) to conform to the LAS 1.2 standard.
      NOAA CSC (processor) at Xpath: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[3]/gmi:LE_ProcessStep[1]/gmd:processor[1]
      1 2014-03-14T00:00:00 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.
      Mike Sutherland (processor) at Xpath: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[4]/gmi:LE_ProcessStep[1]/gmd:processor[1]
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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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