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referenceSystemInfo
identificationInfo
contentInfo
distributionInfo
dataQualityInfo
metadataMaintenance

World Magnetic Model 2010
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    language:  eng; USA
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    hierarchyLevelName:  Magnetic Grid
    contact:  (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
    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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    referenceSystemInfo:  (MD_ReferenceSystem)
        referenceSystemIdentifier:  (RS_Identifier)
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                title:  World Geodetic System 1984
                alternateTitle:  WGS 84
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                    date:  2007-08-27
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                            description:  GML of World Geodetic System 1984 coordinate reference system.
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                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  European Petroleum Survey Group
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                            linkage: http://www.epsg-registry.org/
                            name:  European Petroleum Survey Group Geodetic Parameter Registry
                            description:  Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations.
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            code:  urn:ogc:def:crs:EPSG::4326
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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
            identifier:  (MD_Identifier)
                code:
                  Anchor:  DOI doi:10.7289/V5CR5R8P
            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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                    address:  (CI_Address)
                        electronicMailAddress:  geomag.models@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://www.ngdc.noaa.gov/geomag/
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                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml
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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
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        electronicMailAddress:  geomag.models@noaa.gov
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                        linkage: http://www.ngdc.noaa.gov/geomag/
                role:  (CI_RoleCode) originator
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                individualName:  British Geological Survey Geomagnetism Team
                organisationName:  NERC/BGS > British Geological Survey, United Kingdom Natural Environmental Research Council
                contactInfo:  (CI_Contact)
                    onlineResource:  (CI_OnlineResource)
                        linkage: http://www.geomag.bgs.ac.uk/
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (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)
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                        linkage: http://www.ngdc.noaa.gov/geomag/
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                individualName:  British Geological Survey Geomagnetism Team
                organisationName:  NERC/BGS > British Geological Survey, United Kingdom Natural Environmental Research Council
                contactInfo:  (CI_Contact)
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                        linkage: http://www.geomag.bgs.ac.uk/
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            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 the National Geospatial-Intelligence Agency (NGA). The model is produced at 5-year intervals, with the current model expiring on December 31, 2014
        purpose:  The WMM uses spherical harmonic representation to degree and order 12, resolving the magnetic field at 3000 km wavelength. It is primarily intended as a navigation model to provide rapid and reliable orientation in the event of a failure of primary GPS systems and for use in GPS to provide bearing.
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            individualName:  NGDC Geomagnetic Modeling Team
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                address:  (CI_Address)
                    electronicMailAddress:  geomag.models@noaa.gov
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                    linkage: http://www.ngdc.noaa.gov/geomag/
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        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
            keyword:  EARTH SCIENCE > Solid Earth > Geomagnetism > Reference Fields
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                date:
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                    organisationName:  NASA
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                            name:  GCMD Keywords Page
                            description:  This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions.
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                            name:  GCMD Feedback Form
                            description:  Have a Comment for the GCMD?
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                            linkage: http://gcmd.nasa.gov/learn/keyword_list.html
                            name:  GCMD Keywords Page
                            description:  This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions.
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                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: National Geophysical Data Center, British Geological Survey (2009): World Magnetic Model 2010. National Geophysical Data Center, NOAA. doi:10.7289/V5CR5R8P [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.
        resourceConstraints:  (MD_Constraints)
            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
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
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                extent:
                  TimePeriod:
                    beginPosition:  2000-01-01
                    endPosition:  2014-12-31
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    contentInfo:  (MI_CoverageDescription)
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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:  (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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                    address:  (CI_Address)
                        electronicMailAddress:  geomag.models@noaa.gov
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                        linkage: http://www.ngdc.noaa.gov/geomag/
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                fees:  None
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                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=w
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                description:  World Magnetic Model (WMM2010) with the new C software and executables for Windows environment.
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                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=l
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                description:  World Magnetic Model (WMM2010) with new C software and executables for Linux environment.
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                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=f
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                description:  World Magnetic Model (WMM2010) with Fortran source code and executables for Windows and Linux environments.
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                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=c
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                description:  World Magnetic Model (WMM2010) with C source code and executables for Windows and Linux environments.
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                linkage: http://ngdc.noaa.gov/wmmsurvey/magneticSurvey.do?plang=g
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                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:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) model
        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
                    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:  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".
                    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.
            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
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  Last Review Date: 2014-05-28