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Metadata Identifier: gov.noaa.ngdc.stp.solar:G01350

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 Zurich Sunspot Numbers Slides In 1848 Rudolph Wolf devised a daily method of estimating solar activity by counting the number of individual spots and groups of spots on the face of the sun. Wolf chose to compute his sunspot number by adding 10 times the number of groups to the total count of individual spots, because neither quantity alone completely captured the level of activity. Each daily mean is computed as a weighted average of counts made by a network of cooperating observers in an effort to reduce the influence of personal judgment. Sunspots are optically dark regions in the solar atmosphere of relatively low temperature. They mark areas where the sun's magnetic field has intensified by 1 or 2 powers of 10. The frequency of occurrence of sunspots rises and falls with an 11-year periodicity.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 NASA/GCMD Location Keywords
    1 GCMD Science Keywords NASA/Global Change Master Directory (GCMD) Earth Science Keywords
    • 2007-04
    1 Uncontrolled Keywords
      1 Uncontrolled Location Keywords
        1 Zurich Sunspot Numbers Slides
        • 1874
        SUNSPOTS
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        CI_Series

        Count Component Name Issue Identification Page
        1 Solar Terrestrial Physics International Standard Serial Numbers (ISSN) ISSN 0038-0911 Solar Geophysical Data STP-96-1, Sun, Sunspots and Geomagnetism.
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        CI_ResponsibleParty

        Count Component Individual Organization Position Email Role Linkage
        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 National Geophysical Data Center (comp) originator
        2 Solar Data Manager DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce solar.ngdc@noaa.gov pointOfContact
        1 Solar Data Manager DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce solar.ngdc@noaa.gov custodian
        1 User Services DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.info@noaa.gov distributor
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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
        1 http://www.ngdc.noaa.gov/stp
        1 http://www.ngdc.noaa.gov/stp/SOLAR/getdata.html
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        MD_Identifier or RS_Identifier

        Count Component Code
        1 SUNSPOTS
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        EX_Extent

        Bounding Box Temporal Extent
        Count Component Description West East North South Start End
        1 1800-01-01
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        EX_GeographicBoundingBox

        none found
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        EX_TemporalExtent

        Count Component Start End
        1 1800-01-01
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        MD_Format

        Count Component Name Version specification
        1 ASCII
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        MD_Medium

        Count Component Name mediumFormat mediumNote
        1 tar
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        MD_Constraints

        Count Component Use Limitation
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        MD_ReferenceSystem

        none found
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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

        none found
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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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