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Metadata Identifier: gov.noaa.csc.maps:2007_USACE_CNMI_m561

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 2007 JALBTCX Topographic Lidar: Saipan, CNMI These files contain topographic lidar data collected by the CHARTS system in Saipan, CNMI. This file contains both first and last returns. The data points representing bare earth have been classified as such using TerraScan. Classification values are: Class 1: Unclassified Class 2: Ground
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 2007 CNMI Saipan CHARTS Survey
  • 2007-01-01
1 2007 JALBTCX Topographic Lidar: Saipan, CNMI
  • 2007-12-11
1 Mean Sea Level depth
  • 2012-08-10
3 None
    1 World Geodetic System 1984
    • 2007-08-27
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    CI_Series

    none found
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    CI_ResponsibleParty

    Count Component Individual Organization Position Email Role Linkage
    2 resourceProvider http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::4326
    1 Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Coastal Services Center (CSC) originator
    2 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
    1 JALBTCX Data Production Manager shoals-info@sam.usace.army.mil processor
    1 JALBTCX (comp.) originator
    1 Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX) originator
    2 NOAA Coastal Services Center Clearinghouse Manager clearinghouse@noaa.gov pointOfContact
    1 NOAA Coastal Services Center Clearinghouse Manager clearinghouse@noaa.gov distributor
    1 NOAA Coastal Services Center Clearinghouse Manager clearinghouse@noaa.gov processor
    1 NOAA's Ocean Service, Coastal Services Center (CSC) publisher
    1 Pamela Grothe DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce pamela.grothe@noaa.gov distributor
    1 Pamela Grothe DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce pamela.grothe@noaa.gov processor
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    CI_OnlineResource

    Count Component Linkage Name Description Function
    2 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::4326 WGS 84 GML of World Geodetic System 1984 coordinate reference system. information
    1 http://www.epsg-registry.org/export.htm?gml=urn:ogc:def:crs:EPSG::5715 MSL depth GML for Vertical CRS in EPGS Registry. information
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    MD_Identifier or RS_Identifier

    Count Component Code
    1 urn:ogc:def:crs:EPSG::4326
    1 urn:ogc:def:crs:EPSG::5715
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    EX_Extent

    Bounding Box Temporal Extent
    Count Component Description West East North South Start End
    1 145.689546 145.830793 15.290357 15.091355 2007-05-06 2007-05-09
    1 2007-05-06 2007-05-09
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    EX_GeographicBoundingBox

    Count Component West East North South
    1 145.689546 145.830793 15.290357 15.091355
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    EX_TemporalExtent

    Count Component Start End
    2 2007-05-06 2007-05-09
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    MD_Format

    none found
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    MD_Medium

    none found
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    MD_Constraints

    Count Component Use Limitation
    1 Any conclusions drawn from the analysis of this information are not the responsibility of 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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    MD_ReferenceSystem

    Count Component Code Authority Title
    1 WGS84 urn:ogc:def:crs:EPSG::4326 World Geodetic System 1984
    1 MSL urn:ogc:def:crs:EPSG::5715 Mean Sea Level depth
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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

    Count Component Title Date Description
    1 2007 CNMI Saipan CHARTS Survey 2007-01-01 Source Contribution: LidarSource Type: hard drive
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    LE_ProcessStep or LI_ProcessStep

    Count Component DateTime Description
    1 2007-11-14T00:00:00 These data were collected using the CHARTS system. It is owned by the Naval Oceanographic Office (NAVO) and operated through contract. The system collects topographic lidar data at 20kHz and hydrographic data at 3kHz. 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 edited data are written to the national grid system 1 km tiles using chartsLAS, a program written by NAVO. This program reads data from the original binary format files and produces separate ASCII files for first and last return data. Using a model calculated by NAVO, data were converted from ellipsoid to Mean Sea Level heights using the program datum_shift, written by NAVO. The model file Saipan_Adjustment.fin was used for the corrections. The LAS files output form chartsLAS were read into TerraScan and filters were applied to classify ground points. Points designated as ground are assigned a classification value "2" and all other points are assigned the classification value "1" which represents an unclassified state.
    1 2010-12-01T00:00:00 The NOAA Coastal Services Center (CSC) received files in LAS format. The files contained Lidar intensity and elevation measurements. CSC performed the following processing on the data for storage and provisioning purposes within Digital Coast: 1. The data were converted from UTM coordinates to geographic coordinates (WGS84). 2. The LAS georeferencing information was updated to reflect the tidal vertical datum Mean Sea Level (MSL). 3. The LAS headers were updated and sorted by latitude.
    1 2011-05-03T00:00:00 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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    MI_Operation

    none found
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    MI_Platform

    none found
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    MI_Instrument

    none found
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