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Metadata Identifier: gov.noaa.ngdc.mgg.geophysics:G01352

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 Land and Marine Gravity Data on CD-ROM - 1999 Edition The Land and Marine Gravity 1999 Edition 2-volume CD-ROM set contains observed and derived land and marine gravity data contributed by many national and international organizations, from both the academic and government sectors. Approximately 70 percent of the data are observed values--regional station data collections (separated primarily by contributors) and absolute gravity measurements. Grids and other derived summary data sets represent another 30 percent of the data. In general, data record parameters include Latitude, Longitude, Observed Gravity and Elevation, Bouguer Gravity Anomaly (land), and Free- air Anomaly (ocean). In all cases, each data set contains associated documentation, including source contributor. Data are in binary format with ancillary files for conversion of the data to ASCII. On the Land Gravity CD- ROM, data sets are grouped into directories based on type: Absolute, Grids, Regional, Global, and Correlative (Geoids). The Marine Gravity CD-ROM has gravity data from 1,555 ocean surveys grouped by regional location of the survey. Directories exist for the Gulf of Mexico and Caribbean Sea, Indian Ocean, Mediterranean and Black Seas, North Pacific, South Pacific, North Atlantic and South Atlantic. Surveys which cross ocean areas are included in both regional directories. The marine gravity data were collected from ships operated between the years 1961 and 1996. The Marine gravity surveys are provided in a modified MGD77 format containing survey location, observed gravity and free air-anomaly. The 1999 Edition of Gravity Data is Year 2000 compliant. All date values are full 4-digit years. The GeoVu geophysical data browse and visualization software is also Year 2000 compliant. The compliance is inherent because there are no built-in date manipulation routines. However, GeoVu is written to run on specific platforms and operating systems. There is no guarantee that GeoVu will operate on platforms other than those indicated in the Software documentation.
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SV_Identification

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CI_Citation

Count Component Title Date Citation Identifier
1 Land and Marine Gravity Data on CD-ROM - 1999 Edition
    1999-04-05
1 GCMD Data Center Keywords NASA/GCMD Data Center Keywords
    2015-03-01
    1995-04-24
1 GCMD Location Keywords NASA/GCMD Location Keywords
    2015-03-01
    1995-04-24
1 GCMD Project Keywords NASA/GCMD Project Keywords
    2015-03-01
    1995-04-24
1 NASA/GCMD Science Keywords NASA/Global Change Master Directory (GCMD) Earth Science Keywords
    2007-04
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
    3 GCMD Valids http://gcmd.nasa.gov/learn/keyword_list.html
    1 Anna Milan Anna Milan DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Metadata Specialist Anna.Milan@noaa.gov pointOfContact
    2 Brian Meyer Brian Meyer DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Brian.Meyer@noaa.gov pointOfContact
    2 NCEI (publisher) DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce publisher
    1 User Services (originator) DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce User Services ngdc.info@noaa.gov originator
    1 User Services DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce 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
    3 GCMD User Support Office NASA GCMD User Support Office gcmduso@gcmd.gsfc.nasa.gov publisher 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/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Susan.McLean@noaa.gov pointOfContact
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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
    3 http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso GCMD Feedback Form Have a Comment for the GCMD? information
    3 http://gcmd.nasa.gov/learn/keyword_list.html GCMD's Science Keywords and Associated Directory Keywords This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions. information
    1 http://www.ngdc.noaa.gov/mgg/gravity/1999cd.html
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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 -180.000000 180.000000 90.000000 -90.000000 1930-01-01
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    EX_GeographicBoundingBox

    Count Component West East North South
    1 -180.000000 180.000000 90.000000 -90.000000
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    EX_TemporalExtent

    Count Component Start End
    1 1930-01-01
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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

    none found
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    MD_GridSpatialRepresentation

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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

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    MD_CoverageDescription or MI_CoverageDescription

    none found
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    MD_Band or MI_Band

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    MI_RangeElementDescription

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    MD_AggregateInformation

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    LE_Source or LI_Source

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    LE_ProcessStep or LI_ProcessStep

    Count Component DateTime Description
    1 2015-04-22T00:00:00 NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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    MI_Operation

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    MI_Platform

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    MI_Instrument

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