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contentInfo
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dataQualityInfo
dataQualityInfo
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World Magnetic Model 2010
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc:WMM2010
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) model
    hierarchyLevelName:  Magnetic Grid
    contact:  Brian Meyer
    dateStamp:  2015-08-31
    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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    spatialRepresentationInfo:  (MD_GridSpatialRepresentation)
        numberOfDimensions:  2
        cellGeometry:  (MD_CellGeometryCode) point
        transformationParameterAvailability:  true
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    referenceSystemInfo:  WGS 84
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  World Magnetic Model 2010
            date:  (CI_Date)
                date:  2009-12-01
                dateType:  (CI_DateTypeCode) publication
            edition:  3
            editionDate:  2012-04-26
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  Geomagnetic Modeling Team
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml
                role:  (CI_RoleCode) distributor
            presentationForm:  (CI_PresentationFormCode) mapDigital
        abstract:  The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and the International Hydrographic Organization (IHO), for navigation, attitude and heading referencing systems using the geomagnetic field. It is also used widely in civilian navigation and heading systems. The model, associated software, and documentation are distributed by NGDC on behalf of NGA. The model is produced at 5-year intervals, with the current model expiring on December 31, 2014.
        status:  (MD_ProgressCode) completed
        pointOfContact:  Stefan Maus
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        graphicOverview:  (MD_BrowseGraphic)
            fileName: http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_D_MERC.pdf
            fileDescription:  Declination contour map in mercator projection
            fileType:  PDF
        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Magnetic Field
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Magnetic Intensity
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Magnetic Declination
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Magnetic Inclination
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  GCMD Science Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Geographic Region > Global
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  GCMD Location Keywords
        descriptiveKeywords:  Data Center Keywords
        resourceConstraints:  NOAA Disclaimer
        resourceConstraints:  NGDC Copyright
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) grid
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -90
                northBoundLatitude:  90
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2000-01-01
                    endPosition:  2014-12-31
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  Grid Cell
        contentType:  (MD_CoverageContentTypeCode) physicalMeasurement
        dimension:  (MD_Band)
            descriptor:  Northerly Intensity
            maxValue:
              Real:  42000
            minValue:
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            units:
              BaseUnit:
                identifier:  nanoTesla
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Easterly Intensity
            maxValue:
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            minValue:
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            units:
              BaseUnit:
                identifier:  nanoTesla
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Vertical Intensity
            maxValue:
              Real:  61000
            minValue:
              Real:  -67000
            units:
              BaseUnit:
                identifier:  nanoTesla
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Horizontal Intensity
            maxValue:
              Real:  42000
            minValue:
              Real:  00
            units:
              BaseUnit:
                identifier:  nanoTesla
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Total Intensity
            maxValue:
              Real:  67000
            minValue:
              Real:  22000
            units:
              BaseUnit:
                identifier:  nanoTesla
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Inclination
            maxValue:
              Real:  90
            minValue:
              Real:  -90
            units:
              BaseUnit:
                identifier:  degree
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Declination
            maxValue:
              Real:  90
            minValue:
              Real:  -90
            units:
              BaseUnit:
                identifier:  degree
                unitsSystem:
        dimension:  (MD_Band)
            descriptor:  Grid Variation
            maxValue:
              Real:  180
            minValue:
              Real:  -180
            units:
              BaseUnit:
                identifier:  degree
                unitsSystem:
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  WMM2010_Windows.zip
            version:  1
            specification:  World Magnetic Model (WMM2010) with the new C software and executables for Windows environment.
        distributionFormat:  (MD_Format)
            name:  WMM2010_Linux.tar.zip
            version:  1
            specification:  World Magnetic Model (WMM2010) with new C software and executables for Linux environment.
        distributionFormat:  (MD_Format)
            name:  WMM2010LegacyFortran.zip
            version:  1
            specification:  World Magnetic Model (WMM2010) with Fortran source code and executables for Windows and Linux environments.
        distributionFormat:  (MD_Format)
            name:  WMM2010LegacyC.zip
            version:  1
            specification:  World Magnetic Model (WMM2010) with C source code and executables for Windows and Linux environments.
        distributionFormat:  (MD_Format)
            name:  WMM2010GUI.zip
            version:  1
            specification:  World Magnetic Model (WMM2010) with Stand-alone Graphical User Interface (GUI) for Windows and C source code.
        distributor:  (MD_Distributor)
            distributorContact:  Geomagnetic Modeling Team
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  None
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  12.4
            onLine:  (CI_OnlineResource)
                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=w
                name:  WMM2010_Windows.zip
                description:  World Magnetic Model (WMM2010) with the new C software and executables for Windows environment.
                function:  (CI_OnLineFunctionCode) download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  3.3
            onLine:  (CI_OnlineResource)
                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=l
                name:  WMM2010_Linux.tar.zip
                description:  World Magnetic Model (WMM2010) with new C software and executables for Linux environment.
                function:  (CI_OnLineFunctionCode) download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  1
            onLine:  (CI_OnlineResource)
                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=f
                name:  WMM2010LegacyFortran.zip
                description:  World Magnetic Model (WMM2010) with Fortran source code and executables for Windows and Linux environments.
                function:  (CI_OnLineFunctionCode) download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  .18
            onLine:  (CI_OnlineResource)
                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=c
                name:  WMM2010LegacyC.zip
                description:  World Magnetic Model (WMM2010) with C source code and executables for Windows and Linux environments.
                function:  (CI_OnLineFunctionCode) download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  8.2
            onLine:  (CI_OnlineResource)
                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=g
                name:  WMM2010GUI.zip
                description:  World Magnetic Model (WMM2010) with Stand-alone Graphical User Interface (GUI) for Windows and C source code.
                function:  (CI_OnLineFunctionCode) download
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    dataQualityInfo:  NCEI repository history
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Measurements during daytime and during periods of strong solar activity are contaminated by external current systems, which are difficult to accurately model. Therefore, only nighttime data during magnetically quiet periods were used in generating the WMM coefficients.
                processor:  Stefan Maus
                processingInformation:  (LE_Processing)
                    identifier:  (MD_Identifier)
                        code:  Processing steps were carried out collectively by the developers of the model. These developers are listed as authors of the associated paper "The US/UK Magnetic Model 2010-2015" which can be found at http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                    algorithm:  (LE_Algorithm)
                        citation:  WMM2010 Report
                        description:  Refer to technical report, "The US/UK Magnetic Model 2010-2015", for description of gridding algorithms.
            processStep:  (LE_ProcessStep)
                description:  Some contributions to the measured magnetic field, such as the diamagnetic effect of ionospheric plasma (L?hr et al, 2003) or motional induction by tidal ocean currents (Kuvshinov and Olsen, 2005; Maus, 2007), can be accurately modeled and were corrected for prior to the generation of the WMM main field coefficients.
                processor:  Stefan Maus
                processingInformation:  (LE_Processing)
                    identifier:  (MD_Identifier)
                        code:  Processing steps were carried out collectively by the developers of the model. These developers are listed as authors of the associated paper "The US/UK Magnetic Model 2010-2015" which can be found at http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                    algorithm:  (LE_Algorithm)
                        citation:  WMM2010 Report
                        description:  Refer to technical report, "The US/UK Magnetic Model 2010-2015", for description of gridding algorithms.
            processStep:  (LE_ProcessStep)
                description:  To account for the contributions that have not been removed in the previous steps, an extended set of model parameters is co-estimated with the WMM model coefficients. These account for smaller-wavelength internal magnetic field contributions (spherical harmonic degree larger than 12), second time derivatives (secular acceleration) and contributions from currents external to the Earth. The set of WMM coefficients plus the extended model parameters is called a parent model of the WMM. Two different parent models were produced, reflecting different modeling strategies employed by NGDC for the main field model and BGS for the secular variation model.
                processor:  Stefan Maus
                processingInformation:  (LE_Processing)
                    identifier:  (MD_Identifier)
                        code:  Processing steps were carried out collectively by the developers of the model. These developers are listed as authors of the associated paper "The US/UK Magnetic Model 2010-2015" which can be found at http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                    algorithm:  (LE_Algorithm)
                        citation:  WMM2010 Report
                        description:  Refer to technical report, "The US/UK Magnetic Model 2010-2015", for description of gridding algorithms.
            source:  (LI_Source)
                description:  Challenging Minisatellite Payload (CHAMP) is a German satellite mission dedicated to improving gravity and magnetic field models of the Earth.
                sourceCitation:  (CI_Citation)
                    title:  CHAMP Satellite Data
                    date:  (CI_Date)
                        date:  2009-12-31
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  GFZ German Research Centre for Geosciences
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://op.gfz-potsdam.de/champ/
                                name:  The CHAMP Mission
                                description:  Webpage provided details on equipment, mission, as well as results and publications associated with the CHAMP mission.
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    geographicElement:  (EX_GeographicBoundingBox)
                        westBoundLongitude:  -180
                        eastBoundLongitude:  180
                        southBoundLatitude:  -90
                        northBoundLatitude:  90
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  2000-07-15
                            endPosition:  2010-09-19
            source:  (LI_Source)
                description:  The Danish satellite Orsted is a dedicated satellite for geomagnetic field modeling.
                sourceCitation:  (CI_Citation)
                    title:  ORSTED Satellite Data
                    date:  (CI_Date)
                        date:  2009-12-31
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Danish Meteorological Institute
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.space.dtu.dk/english/Research/Projects/Oersted
                                name:  The Orsted Satellite Project
                                description:  Webpage provided details on equipment, mission, as well as results and publications associated with the Orsted satellite mission.
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    geographicElement:  (EX_GeographicBoundingBox)
                        westBoundLongitude:  -180
                        eastBoundLongitude:  180
                        southBoundLatitude:  -90
                        northBoundLatitude:  90
                    temporalElement:  (EX_TemporalExtent)
                        extent:
                          TimePeriod:
                            beginPosition:  1999-02-23
                            endPosition:  2009-11-30
            source:  (LI_Source)
                description:  Magnetics information that is collected at permanent surface magnetic observatories spread across the globe.
                sourceCitation:  (CI_Citation)
                    title:  INTERMAGNET Observatory Data
                    date:  (CI_Date)
                        date:  2009-12-31
                        dateType:  (CI_DateTypeCode) publication
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Internation Real-time Magnetic Observatory Network
                        contactInfo:  (CI_Contact)
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.intermagnet.org
                                name:  INTERMAGNET Program
                                description:  Website provides information on participating institutions, observatory locations, and publications associated with the network of observatories.
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) originator
                sourceExtent:  (EX_Extent)
                    geographicElement:  (EX_GeographicBoundingBox)
                        westBoundLongitude:  -177.383
                        eastBoundLongitude:  172.35
                        southBoundLatitude:  -77.85
                        northBoundLatitude:  82.5
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  Last Review Date: 2015-09-18
        maintenanceNote:  This record has been automatically modified to include references to NCEI where applicable on 2015-08-31.
        contact:  Anna Milan