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Metadata Identifier: gov.noaa.ngdc.stp.geomag:G10130

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 Boulder Magnetic Observatory These data are vector and scalar component values of the Earth's magnetic field for 2004 recorded at the Boulder Magnetic Observatory in Colorado. Vector values are measured using 3 mutually orthogonal fluxgate magnetometer sensors. The scalar value of the total magnetic field is recorded with a proton precession magnetometer. All values are calibrated with measurements of the absolute value of the geomagnetic field using a DI-Flux magnetometer. The data are numerically filtered to prevent aliasing, and quality controlled during processing. Longer period values of the field, including hourly, daily, monthly, and annual means are derived from the 1-minute data.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 Boulder Magnetic Observatory
  • 2005-01-01
1 NASA/GCMD Earth Science 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://geomag.usgs.gov
    1 DOI/USGS/GD/CR/GHT > Geologic Hazards Team, Central Region, Geology Division, USGS, U.S. Department of the Interior originator
    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
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    CI_OnlineResource

    Count Component Linkage Name Description Function
    1 http://geomag.usgs.gov National Geomagnetism Program Monitoring of the Earth's magnetic field for research and practical applications. information
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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 -105.24 -105.24 49.86 49.86 2004-01-01T01010000 2004-12-31T24000000
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    EX_GeographicBoundingBox

    Count Component West East North South
    1 -105.24 -105.24 49.86 49.86
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    EX_TemporalExtent

    Count Component Start End
    1 2004-01-01T01010000 2004-12-31T24000000
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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 NGDCaccepts no responsibility for the accuracy or integrity of any data provided, nor for any consequences for use of the data for any purpose(s).
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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

    Count Component Attribute Description Content Type
    1
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    MD_Band or MI_Band

    Count Component Identifier Descriptor
    1 fluxgate magnetometer A kind of magnetometer that detects second harmonic signals from a secondary coil surrounding an iron core that is driven into saturation by a primary coil using radio frequency signals.The second harmonic signal is proportional to the strength of the ambient magnetic field.
    1 Overhauser magnetometer A type of scalar magnetometer that employs the precession of free unpaired electrons rather than protons in a fluid.
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    MI_RangeElementDescription

    none found
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    MD_AggregateInformation

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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 These data were processed using algorithms developed at the U.S. Geological Survey (USGS).
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    MI_Operation

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    MI_Platform

    none found
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    MI_Instrument

    none found
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