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distributionInfo
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Boulder Magnetic Observatory
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.stp.geomag:G10130
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  Justin Mabie
    dateStamp:  2015-09-18
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  Boulder Magnetic Observatory
            date:  (CI_Date)
                date:  2005-01-01
                dateType:  (CI_DateTypeCode) publication
            citedResponsibleParty:  NCEI (publisher)
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOI/USGS/GD/CR/GHT > Geologic Hazards Team, Central Region, Geology Division, USGS, U.S. Department of the Interior
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  (303) 273-8582
                        facsimile:  (303) 273-8600
                    address:  (CI_Address)
                        deliveryPoint:  Denver Federal Center PO Box 25046 MS-966
                        city:  Denver
                        administrativeArea:  CO
                        postalCode:  80225
                        country:  USA
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                positionName: (withheld)
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://geomag.usgs.gov
                        protocol:  http
                        name:  National Geomagnetism Program
                        description:  Monitoring of the Earth's magnetic field for research and practical applications.
                        function:  (CI_OnLineFunctionCode) information
                role: (inapplicable)
        abstract:  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.
        purpose:  To provide ground-based, calibrated values of the Earth's magnetic field at a specific location for scientific research and practical applications.
        status:  (MD_ProgressCode) completed
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        graphicOverview:  (MD_BrowseGraphic)
            fileName:  BOU04BLV.JPG
            fileDescription:  Baseline values for the Boulder calibration data for 2004
            fileType:  JPEG
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Solid Earth > Geomagnetism
            keyword:  Earth Science > Solid Earth > Geomagnetism > Geomagnetic Indices
            keyword:  Earth Science > Solid Earth > Geomagnetism > Magnetic Declination
            keyword:  Earth Science > Solid Earth > Geomagnetism > Magnetic Field
            keyword:  Earth Science > Solid Earth > Geomagnetism > Magnetic Inclination
            keyword:  Earth Science > Solid Earth > Geomagnetism > Magnetic Intensity
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Earth Science Keywords
                date: (unknown)
        descriptiveKeywords:  Data Center Keywords
        resourceConstraints:  (MD_Constraints)
            useLimitation:  NOAA accepts no responsibility for the accuracy or integrity of any data provided, nor for any consequences for use of the data for any purpose(s).
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use Constraints: Contact Institution
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Access Constraints: None
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) climatologyMeteorologyAtmosphere
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -105.24
                eastBoundLongitude:  -105.24
                southBoundLatitude:  49.86
                northBoundLatitude:  49.86
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2004-01-01T01010000
                    endPosition:  2004-12-31T24000000
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    contentInfo:  (MD_CoverageDescription)
        attributeDescription: (unknown)
        contentType: (unknown)
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  fluxgate magnetometer
                attributeType: (unknown)
            descriptor:  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.
            maxValue:
              Real:  180
            minValue:
              Real:  -180
            units:
              UnitDefinition:
                identifier:  degrees
                name:  degrees
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  Overhauser magnetometer
                attributeType: (unknown)
            descriptor:  A type of scalar magnetometer that employs the precession of free unpaired electrons rather than protons in a fluid.
            maxValue:
              Real:  180.0
            minValue:
              Real:  -180.0
            units:
              UnitDefinition:
                identifier:  Decimal Degrees or Degrees and Decimal Minutes
                name:  Decimal Degrees or Degrees and Decimal Minutes
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    contentInfo:  (MD_FeatureCatalogueDescription)
        includedWithDataset:  true
        featureTypes:
          LocalName:
        featureCatalogueCitation: (unknown)
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    distributionInfo:  (MD_Distribution)
        distributor:  (MD_Distributor)
            distributorContact:  Justin Mabie
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  None
                orderingInstructions:  Non-digital data may be obtained by contacting data manager for instructions.
                turnaround:  0
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    dataQualityInfo:  NCEI repository history
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        report:  (DQ_CompletenessCommission)
            evaluationMethodDescription:  These data represent the complete record set for this station and this year.
            result: (unknown)
        report:  (DQ_ConceptualConsistency)
            measureDescription:  Various methods are used to check the integrity of the data. These include: (1) making comparisons between the total intensity values computed from the vector magnetometer and those measured by the scalar magnetometer, (2) comparing the field values reduced using the calibration data with those obtained during the weekly absolute measurements, and (3) visually inspecting the data and comparing with other stations.
            result: (unknown)
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Dynamic Range
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  +/- 80,000 nT
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Resolution
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  0.1 nT
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Sampling Rate
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  1 Hertz (Hz)
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Numeric Filter
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  19-point Gaussian (1-minute values)
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Accuracy
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  +/- 5 nT (nanoTeslas) for definitive data
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Quantitative Attribute Accuracy Assessment
            measureDescription:  Long Term Stability
            evaluationMethodDescription:  Data from the Boulder Magnetic Observatory for 2004 met the requirements for being an INTERMAGNET Magnetic Observatory (IMO), and as such met the specifications listed in theINTERMAGNET Technical Manual (http://www.intermagnet.org//im_manual.pdf)
            result:  (DQ_QuantitativeResult)
                valueUnit:
                  BaseUnit:
                    identifier:  meters
                    unitsSystem:  http://www.bipm.org/en/si/
                value:
                  Record:  5 nT/year
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  These data were processed using algorithms developed at the U.S. Geological Survey (USGS).
                dateTime: (unknown)
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  This metadata was automatically generated from the Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata standard (version FGDC-STD-012-2002) using the 2012-08-08 version of the FGDC RSE to ISO 19115-2 transform.
        maintenanceNote:  Translated from FGDC 2012-10-10T11:05:29.405-06:00
        maintenanceNote:  Last Metadata Review Date: 2012-01-31
        maintenanceNote:  This record was automatically modified on 2015-09-18 to include references to NCEI where applicable.
        contact:  Justin Mabie
        contact:  Justin Mabie