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Metadata Identifier: gov.noaa.ngdc.stp.indices:G00590

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 K Indices of Magnetic Activity Relative to an assumed Quiet-day for each 3-Hour Period The National Geophysical Data Center receives the K indices on a current basis from approximately 85 observatories. The K index is a quasi-logarithmic local index of the 3-hourly range in magnetic activity relative to an assumed quiet-day curve for the recording site. First introduced by J. Bartels in 1938, it consists of a single digit 0 through 9 for each 3-hourly interval. The K indices are received on a monthly basis from the various observatories and are available from 1938 to present. The National Geophysical Data Center also receives KP indices from the Institute for Geophysik in Gottingen, Germany on a monthly basis. The KP index is a planetary index based on the K index from 12 or 13 selected stations and has been derived routinely from 1932.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 K Indices of Magnetic Activity Relative to an assumed Quiet-day for each 3-Hour Period
  • 1957-01-01
1 NASA/GCMD Data Center Keywords
    1 NASA/GCMD Earth Science Keywords
      1 NASA/GCMD Location Keywords
        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 Citation URL http://www.ngdc.noaa.gov/stp/geomag/kp_ap.html
          1 Don Herzog DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce justin.mabie@noaa.gov pointOfContact
          2 Justin Mabie Justin Mabie DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce Space and Terrestrial Weather Specialist Justin.Mabie@noaa.gov pointOfContact
          1 Justin Mabie DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce justin.mabie@noaa.gov distributor
          1 User Services DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.info@noaa.gov publisher
          2 User Services DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.info@noaa.gov originator
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          CI_OnlineResource

          Count Component Linkage Name Description Function
          2 ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/RELATED_INDICES/K_INDICES K Indices FTP site of K Indices for download download
          1 http://www.ngdc.noaa.gov/stp/geomag/kp_ap.html Geomagnetic kp and ap Indices Home page for magnetic K, Kp, and ap indices information
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          MD_Identifier or RS_Identifier

          Count Component Code
          1 CGC > Climate & Global Change
          1 Ground-based Magnetic Observatories
          1 Magnetometers
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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 1938-01-01
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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 1938-01-01
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          MD_Format

          Count Component Name Version specification
          1 ASCII
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          MD_Medium

          none found
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          MD_Constraints

          Count Component Use Limitation
          1 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

          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 Mission Start Date
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          MI_Operation

          Count Component Code Type Status Description
          1 CGC > Climate & Global Change
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          MI_Platform

          Count Component Code Description
          1 Ground-based Magnetic Observatories
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          MI_Instrument

          Count Component Code Type Description
          1 Magnetometers
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