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contentInfo
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Enhanced Magnetic Model 2010
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        individualName:  Brian Meyer
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                electronicMailAddress:  Brian.Meyer@noaa.gov
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    dateStamp:  2014-05-29
    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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        transformationParameterAvailability:  true
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                title:  World Geodetic System 1984
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                    date:  2007-08-27
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                    organisationName:  European Petroleum Survey Group
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            code:  urn:ogc:def:crs:EPSG::4326
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        citation:  (CI_Citation)
            title:  Enhanced Magnetic Model 2010
            date:  (CI_Date)
                date:  2009-12-15
                dateType:  (CI_DateTypeCode) publication
            edition:  3
            editionDate:  2014-04-08
            identifier:  (MD_Identifier)
                code:
                  Anchor:  DOI doi:10.7289/V5HH6H0D
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  NGDC Geomagnetic Modeling Team
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                        electronicMailAddress:  geomag.models@noaa.gov
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                        linkage: http://www.ngdc.noaa.gov/geomag/
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                    onlineResource:  (CI_OnlineResource)
                        linkage: http://www.ngdc.noaa.gov/geomag/EMM/index.html
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            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  NGDC Geomagnetic Modeling Team
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                        linkage: http://www.ngdc.noaa.gov/geomag/
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                individualName:  NGDC Geomagnetic Modeling Team
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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        abstract:  The Enhanced Magnetic Model (EMM) extends to degree and order 720, resolving magnetic anomalies down to 56 km wavelength. The higher resolution of the EMM results in significantly improved pointing accuracy than the World Magnetic Model (WMM), which uses spherical harmonic representation to degree and order 12, resolving the magnetic field at 3000 km wavelength. The EMM model provides the magnetic field vector at any desired location and altitude close to and above the Earth's surface.
        purpose:  Magnetic anomaly maps provide insight into the subsurface structure and composition of the Earth's crust. Over continental areas, magnetic anomalies illuminate geologic, tectonic, and geothermal evolution of crust and lithosphere. In the world's oceans, anomalies trending parallel to the isochrons (lines of equal age) reveal the temporal evolution of oceanic crust. Magnetic maps are widely used in the geological sciences and in resource exploration.
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            individualName:  NGDC Geomagnetic Modeling Team
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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            fileName: http://www.ngdc.noaa.gov/geomag/EMM/img/dec_WMM_EMM.jpg
            fileDescription:  Declination Comparison of WMM and EMM
            fileType:  JPG
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            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
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Magnetic Anomalies
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            otherConstraints:  Cite as: National Geophysical Data Center (2009): Enhanced Magnetic Model 2010. National Geophysical Data Center, NOAA. doi:10.7289/V5HH6H0D [access date]
        resourceConstraints:  (MD_Constraints)
            useLimitation:  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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            useLimitation:  Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
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        language:  eng; USA
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                    beginPosition:  2000-01-01
                    endPosition:  2014-12-31
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  EMM2010_Sph_Windows_Linux.zip
            version:  4
            specification:  Enhanced Magnetic Model (EMM2010) and software using the spherical harmonic approach for Windows and Linux environments. High CPU requirements (use the faster Mesh software for large number of points), very low RAM requirement (7.5 MB). For use with years 2000 to 2015.
        distributionFormat:  (MD_Format)
            name:  EMM2010_Mesh_Windows_Linux.zip
            version:  3
            specification:  Enhanced Magnetic Model (EMM2010) with software with rapid field calculation using 3D mesh interpolation for Windows and Linux environments. Low CPU requirements, High (1.4 GB) RAM requirement. Only works for years 2010-2015, for 2000-2010 please download the spherical harmonic version above.
        distributionFormat:  (MD_Format)
            name:  EMM2010_Dec-15-09.zip
            version:  1
            specification:  Enhanced Magnetic Model (EMM2010) with software for point and grid calculation.
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            name:  EMM-720_V3p0.tar.gz
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            specification:  Enhanced Magnetic Model with software for rapid field calculation using 3D mesh interpolation.
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            name:  EMM-720_V3p0_static.cof.gz
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            specification:  Enhanced Magnetic Model. Spherical Harmonic Coefficients of the static internal field at 2010.0.
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            name:  EMM-720_V3p0_secvar.cof.gz
            version:  3
            specification:  Enhanced Magnetic Model. Spherical Harmonic Coefficients of the estimated secular variation 2010-2015.
        distributionFormat:  (MD_Format)
            name:  EMM-06.tar.gz
            version:  3
            specification:  Software for the Enhanced Magnetic Model (EMM-06), including main field, secular variation, NGDC-720-V1 crustal field, magnetospheric field, and induced field. The package includes a simple single-point program and a thread-safe multi-processor application which can be adapted to produce large grids and time series.
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                individualName:  NGDC Geomagnetic Modeling Team
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                name:  EMM2010_Sph_Windows_Linux.zip
                description:  Enhanced Magnetic Model (EMM2010) and software using the spherical harmonic approach for Windows and Linux environments. High CPU requirements (use the faster Mesh software for large number of points), very low RAM requirement (7.5 MB). For use with years 2000 to 2015.
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                name:  EMM2010_Mesh_Windows_Linux.zip
                description:  Enhanced Magnetic Model (EMM2010) with software with rapid field calculation using 3D mesh interpolation for Windows and Linux environments. Low CPU requirements, High (1.4 GB) RAM requirement. Only works for years 2010-2015, for 2000-2010 please download the spherical harmonic version above.
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                description:  Enhanced Magnetic Model (EMM2010) with software for point and grid calculation.
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                description:  Enhanced Magnetic Model with software for rapid field calculation using 3D mesh interpolation.
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                description:  Enhanced Magnetic Model. Spherical Harmonic Coefficients of the estimated secular variation 2010-2015.
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                description:  Software for the Enhanced Magnetic Model (EMM-06), including main field, secular variation, NGDC-720-V1 crustal field, magnetospheric field, and induced field. The package includes a simple single-point program and a thread-safe multi-processor application which can be adapted to produce large grids and time series.
                function:  (CI_OnLineFunctionCode) download
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            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 estimating the WMM coefficients.
                processor:  (CI_ResponsibleParty)
                    individualName:  NGDC Geomagnetic Modeling Team
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                        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".
                    algorithm:  (LE_Algorithm)
                        citation:  (CI_Citation)
                            title:  The US/UK World Magnetic Model for 2010-2015
                            date:  (CI_Date)
                                date:  2009-12-01
                                dateType:  (CI_DateTypeCode) publication
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                contactInfo:  (CI_Contact)
                                    onlineResource:  (CI_OnlineResource)
                                        linkage: http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                                role:  (CI_RoleCode) originator
                        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 estimation of the WMM main field coefficients.
                processor:  (CI_ResponsibleParty)
                    individualName:  NGDC Geomagnetic Modeling Team
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        address:  (CI_Address)
                            electronicMailAddress:  geomag.models@noaa.gov
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.ngdc.noaa.gov/geomag/
                    role:  (CI_RoleCode) pointOfContact
                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".
                    algorithm:  (LE_Algorithm)
                        citation:  (CI_Citation)
                            title:  The US/UK World Magnetic Model for 2010-2015
                            date:  (CI_Date)
                                date:  2009-12-01
                                dateType:  (CI_DateTypeCode) publication
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                contactInfo:  (CI_Contact)
                                    onlineResource:  (CI_OnlineResource)
                                        linkage: http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                                role:  (CI_RoleCode) originator
                        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:  (CI_ResponsibleParty)
                    individualName:  NGDC Geomagnetic Modeling Team
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        address:  (CI_Address)
                            electronicMailAddress:  geomag.models@noaa.gov
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.ngdc.noaa.gov/geomag/
                    role:  (CI_RoleCode) pointOfContact
                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:  (CI_Citation)
                            title:  The US/UK World Magnetic Model for 2010-2015
                            date:  (CI_Date)
                                date:  2009-12-01
                                dateType:  (CI_DateTypeCode) publication
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                contactInfo:  (CI_Contact)
                                    onlineResource:  (CI_OnlineResource)
                                        linkage: http://ngdc.noaa.gov/geomag/WMM/data/WMM2010/WMM2010_Report.pdf
                                role:  (CI_RoleCode) originator
                        description:  Refer to technical report, "The US/UK Magnetic Model 2010-2015", for description of gridding algorithms.
            processStep:  (LE_ProcessStep)
                description:  Satellite, marine, and aeromagnetic measurements were compiled into an ellipsoidal degree-720 magnetic model of the Earth's lithosphere. This model accurately represents the crustal field down to wavelengths of approximately 56 kilometers. This results in a higher pointing accuracy.
                processor:  (CI_ResponsibleParty)
                    individualName:  NGDC Geomagnetic Modeling Team
                    organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                    contactInfo:  (CI_Contact)
                        address:  (CI_Address)
                            electronicMailAddress:  geomag.models@noaa.gov
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.ngdc.noaa.gov/geomag/
                    role:  (CI_RoleCode) pointOfContact
                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 "An ellipsoidal harmonic representation of Earth's lithospheric magnetic field to degree and order 720".
                    algorithm:  (LE_Algorithm)
                        citation:  (CI_Citation)
                            title:  An ellipsoidal harmonic representation of Earth's lithospheric magnetic field to degree and order 720
                            date:  (CI_Date)
                                date:  2010-03-25
                                dateType:  (CI_DateTypeCode) creation
                            citedResponsibleParty:  (CI_ResponsibleParty)
                                contactInfo:  (CI_Contact)
                                    onlineResource:  (CI_OnlineResource)
                                        linkage: http://geomag.org/info/Smaus/Doc/ngdc720.pdf
                                role:  (CI_RoleCode) originator
                        description:  Refer to technical report, "An ellipsoidal harmonic representation of Earth's lithospheric magnetic field to degree and order 720", 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://web.dmi.dk/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:  International 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
            source:  (LI_Source)
                description:  Trackline magnetics observations hosted on GEODAS at the National Geophysical Data Center (NGDC).
                sourceCitation:  (CI_Citation)
                    title:  GEODAS magnetic data
                    date:  (CI_Date)
                        date:  2013-02-06
                        dateType:  (CI_DateTypeCode) revision
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        individualName:  Brian Meyer
                        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                        contactInfo:  (CI_Contact)
                            phone:  (CI_Telephone)
                                voice:  303-497-6125
                            address:  (CI_Address)
                                electronicMailAddress:  Brian.Meyer@noaa.gov
                        role:  (CI_RoleCode) pointOfContact
                sourceExtent:  (EX_Extent)
                    geographicElement:  (EX_GeographicBoundingBox)
                        westBoundLongitude:  -180
                        eastBoundLongitude:  180
                        southBoundLatitude:  -90
                        northBoundLatitude:  90
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  Last Review Date: 2014-05-08