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Metadata Identifier: gov.noaa.ngdc.mgg.geophysics:G01437

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 PR/VI North-South Deflections (DEFLEC96) This 2' surface deflection of the vertical grid for Puerto Rico and the Virgin Islands is distributed as the DEFLEC96 model. The computation used about 26,000 terrestrial and marine gravity data held in the National Geodetic Survey gravity data base in July 1996. These data were augmented by gravity data contributions from NGA (former National Imagery and Mapping Agency (former Defence Mapping Agency)). The deflections were obtained by numerical differentiation of cubic spline models along the meridians of the GEOID96 grid. The gravity values are based on the International Gravity Standardization Net 1971IGSN71). The deflections are referred to theGeodetic Reference System 1980 (GRS80) ellipsoidal normals. The curvature of the plumbline correction has been applied. We are particularly grateful to NGA (former National Imagery and Mapping Agency) for theirassistance and their data contributions.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 Mean Sea Level depth
  • 2012-08-10
1 GCMD Data Center Keywords NASA/GCMD Data Center Keywords
    1 GCMD Location Keywords NASA/GCMD Location Keywords
      1 NASA/GCMD Science Keywords NASA/Global Change Master Directory (GCMD) Earth Science Keywords
      • 2007-04
      2 PR/VI North-South Deflections (DEFLEC96)
      • 1999-01-01
      1 Uncontrolled Keywords
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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::5715
        2 GCMD Valids custodian http://gcmd.nasa.gov/learn/keyword_list.html
        2 Brian Meyer Brian Meyer DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Brian.Meyer@noaa.gov pointOfContact
        1 User Services (publisher) DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center User Services ngdc.info@noaa.gov publisher
        1 User Services (originator) DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center User Services ngdc.info@noaa.gov originator
        1 User Services DOC/NOAA/NESDIS/NGDC - National Geophysical Data Center User Services ngdc.info@noaa.gov distributor
        1 National Geodetic Survey DOC/NOAA/NOS/NGS > National Geodetic Survey, National Ocean Service, NOAA, U.S. Department of Commerce ngs.cors@noaa.gov custodian
        1 EPSG Registry European Petroleum Survey Group publisher http://www.epsg-registry.org/
        2 GCMD User Support Office NASA GCMD User Support Office gcmduso@gcmd.gsfc.nasa.gov custodian http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso
        1 NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA resourceProvider http://gcmd.gsfc.nasa.gov/Resources/valids/archives/keyword_list.html
        1 Susan Mclean Susan McLean DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Susan.McLean@noaa.gov pointOfContact
        1 Susan Mclean (processor) Susan McLean DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Susan.McLean@noaa.gov processor
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        CI_OnlineResource

        Count Component Linkage Name Description Function
        1 http://gcmd.gsfc.nasa.gov/Resources/valids/archives/keyword_list.html GCMD Keywords, Version 6.0.0.0.0 Thesuarus for earth science keywords and associated directories hosted and maintained by NASA. information
        2 http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso GCMD Feedback Form Have a Comment for the GCMD? information
        2 GCMD Keyword Page http://gcmd.nasa.gov/learn/keyword_list.html GCMD Keywords Page This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions. information
        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::5715 MSL depth GML for Vertical CRS in EPGS Registry. information
        1 http://www.ngdc.noaa.gov/mgg/fliers/se-0703.html
        1 http://www.ngdc.noaa.gov/mgg/gravity/1999/document/html/tablegri.html
        1 http://www.ngdc.noaa.gov/mgg/gravity/1999cd.html
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        MD_Identifier or RS_Identifier

        Count Component Code
        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 -68 -64 21 15
        1
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        EX_GeographicBoundingBox

        Count Component West East North South
        1 -68 -64 21 15
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        EX_TemporalExtent

        Count Component Start End
        2
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        MD_Format

        Count Component Name Version specification
        1 Binary
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        MD_Medium

        Count Component Name mediumFormat mediumNote
        1 cdRom iso9660
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        MD_Constraints

        Count Component Use Limitation
        1 NOAA 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 MSL urn:ogc:def:crs:EPSG::5715 Mean Sea Level depth
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        MD_GridSpatialRepresentation

        Count Component Number of Dimensions Cell Geometry Code
        1 2 area
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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

        Count Component Name Code Size
        1 row 181
        1 column 121
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        MD_CoverageDescription or MI_CoverageDescription

        Count Component Attribute Description Content Type
        1
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        MD_Band or MI_Band

        Count Component Identifier Descriptor
        1 deflec_of_vert_ns The "North-South" component of the deflection of the vertical. Also known as deflection of the vertical in the meridian, represented by the Greek character "Xi". Unique to the GEOID93 data set.
        1 grid_origin The location of the starting point of a grid, e.g. lowerleft, upperleft
        1 grid_sequence The sequence of the grid values, some examples are:Top to bottom then rightTop to bottom then leftLeft to right then upRight to left then down
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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 PR/VI North-South Deflections (DEFLEC96) Source Contribution: Gravity survey data Source Type: varies
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        LE_ProcessStep or LI_ProcessStep

        Count Component DateTime Description
        1 All data were processed by the source before being forwarded to the National Geophysical Data Center
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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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