Metadata Identifier: gov.noaa.ngdc:WMM2015v2

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 World Magnetic Model 2015 version 2 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 is produced at 5-year intervals, with the current model expiring on December 31, 2019. The current model WMM2015v2 is produced jointly by the NGDC and the British Geological Survey (BGS). The model, associated software, and documentation are distributed by NGDC on behalf of US National Geospatial-Intelligence Agency and by BGS on behalf of UK Defence Geographic Centre.
Top

SV_Identification

none found
Top

CI_Citation

Count Component Title Date Citation Identifier
1 CHAMP Satellite Data
    2009-12-31
1 GCMD Data Center Keywords Global Change Master Directory (GCMD) Data Center Keywords
    2020-01-09
1 GCMD Location Keywords Global Change Master Directory (GCMD) Location Keywords
    2020-01-09
1 GCMD Science Keywords Global Change Master Directory (GCMD) Science Keywords
    2020-01-09
1 INTERMAGNET Observatory Data
    2009-12-31
1 International DOI Foundation (IDF)
    1 NOAA National Centers for Environmental Information
      1 ORSTED Satellite Data
        2009-12-31
      1 Swarm Satellite Data
        2013-11-20
      3 The Out of Cycle US/UK World Magnetic Model for 2015-2020
        2019-02-04
      1 World Geodetic System 1984
        2007-08-27
      1 World Magnetic Model 2015 version 2
        2019-02-04
      doi:10.25921/xhr3-0t19
      NCEI Metadata ID: gov.noaa.ngdc:WMM2015v2
      Top

      CI_Series

      none found
      Top

      CI_ResponsibleParty

      Count Component Individual Organization Position Email Role Linkage
      1 resourceProvider https://epsg.org/crs_4326/WGS-84.html
      1 NCEI Geomagnetic Modeling Team originator
      3 pointOfContact https://www.ngdc.noaa.gov/geomag/WMM/data/WMM2015/WMM2015v2_Report.pdf
      1 A. Woods author
      1 B. Hamilton author
      1 B. Meyer author
      1 C. Beggan author
      1 Chulliat, A. author
      1 Danish Meteorological Institute originator http://www.space.dtu.dk/english/Research/Projects/Oersted
      1 EPSG Registry European Petroleum Survey Group publisher https://epsg.org/home.html
      1 European Space Agency originator http://earth.esa.int/web/guest/swarm/data-access
      1 GFZ German Research Centre for Geosciences originator http://op.gfz-potsdam.de/champ/
      1 Internation Real-time Magnetic Observatory Network originator http://www.intermagnet.org
      1 M. Nair author
      3 GCMD Landing Page NASA Goddard Space Flight Center, Earth Science Data and Information System custodian https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
      6 NCEI (pointOfContact) NOAA National Centers for Environmental Information ncei.info@noaa.gov pointOfContact https://www.ncei.noaa.gov/contact
      1 NOAA National Centers for Environmental Information publisher
      1 NCEI (distributor) NOAA National Centers for Environmental Information ncei.info@noaa.gov distributor https://www.ncei.noaa.gov/contact
      1 P. Alken author
      1 R. Redmon author
      1 S. Macmillan author
      1 W. Brown author
      Top

      CI_OnlineResource

      Count Component Linkage Name Description Function
      1 http://earth.esa.int/web/guest/swarm/data-access Swarm Earth Explorers Webpage provided details on equipment, mission, as well as results and publications associated with the Swarm mission. information
      1 http://op.gfz-potsdam.de/champ/ The CHAMP Mission Webpage provided details on equipment, mission, as well as results and publications associated with the CHAMP mission. information
      1 http://www.intermagnet.org INTERMAGNET Program Website provides information on participating institutions, observatory locations, and publications associated with the network of observatories. information
      1 http://www.space.dtu.dk/english/Research/Projects/Oersted The Orsted Satellite Project Webpage provided details on equipment, mission, as well as results and publications associated with the Orsted satellite mission. information
      1 https://epsg.org/crs_4326/WGS-84.html WGS 84 GML of World Geodetic System 1984 coordinate reference system. information
      1 https://epsg.org/home.html European Petroleum Survey Group Geodetic Parameter Registry Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. search
      3 https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information
      3 https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information
      1 https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc:WMM2015v2/html Metadata Landing Page information
      1 https://www.ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml WMM Home Page information
      4 https://www.ngdc.noaa.gov/geomag/WMM/data/WMM2015/WMM2015v2_Report.pdf Out-of-Cycle Update of the US/UK World Magnetic Model for 2015-2020: Technical Note PDF file containing information about the development and source data for the World Magnetic Model 2015-2020 Out of Cycle update information
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=c WMM2015v2LegacyC.zip World Magnetic Model (WMM2015v2) with C source code and executables for Windows and Linux environments. download
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=d WMM2015COFv2.zip World Magnetic Model (WMM2015v2) coefficient file with test values and instructions. download
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=f WMM2015v2LegacyFortran.zip World Magnetic Model (WMM2015v2) with Fortran source code and executables for Windows and Linux environments. download
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=g WMM2015v2GUI.zip World Magnetic Model (WMM2015v2) with Stand-alone Graphical User Interface (GUI) for Windows and C source code. download
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=l WMM2015v2_Linux.tar.zip World Magnetic Model (WMM2015v2) with new C software and executables for Linux environment. download
      1 https://www.ngdc.noaa.gov/geomag/WMM/wmmsurv.shtml?redirect=w WMM2015v2_Windows.zip World Magnetic Model (WMM2015v2) with the new C software and executables for Windows environment. download
      Top

      MD_Identifier or RS_Identifier

      Count Component Code
      1 NCEI Metadata ID: gov.noaa.ngdc:WMM2015v2
      2 Processing steps were carried out collectively by the developers of the model. These developers are listed as authors of the associated paper "The Out of Cycle US/UK Magnetic Model 2015-2020" which can be found at https://www.ngdc.noaa.gov/geomag/WMM/data/WMM2015/WMM2015_Report.pdf
      1 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 2015-2020" which can be found at https://www.ngdc.noaa.gov/geomag/WMM/data/WMM2015/WMM2015_Report.pdf
      1 doi:10.25921/xhr3-0t19
      1 urn:ogc:def:crs:EPSG::4326
      Top

      EX_Extent

      Bounding Box Temporal Extent
      Count Component Description West East North South Start End
      1 -180 180 90 -90 2015-01-01 2019-12-31
      1 -180 180 90 -90 2015-07-01 2018-07-01
      1 -180 180 90 -90 2013-01-01 2013-08-07
      1 -180 180 90 -90 2000-07-15 2010-09-19
      1 -177.383 172.35 82.5 -77.85
      Top

      EX_GeographicBoundingBox

      Count Component West East North South
      4 -180 180 90 -90
      1 -177.383 172.35 82.5 -77.85
      Top

      EX_TemporalExtent

      Count Component Start End
      1 2015-01-01 2019-12-31
      1 2015-07-01 2018-07-01
      1 2013-01-01 2013-08-07
      1 2000-07-15 2010-09-19
      Top

      MD_Format

      Count Component Name Version specification
      1 WMM2015COFv2.zip 1 World Magnetic Model (WMM2015v2) coefficient file with test values and instructions.
      1 WMM2015v2GUI.zip 1 World Magnetic Model (WMM2015v2) with Stand-alone Graphical User Interface (GUI) for Windows and C source code.
      1 WMM2015v2LegacyC.zip 1 World Magnetic Model (WMM2015v2) with C source code and executables for Windows and Linux environments.
      1 WMM2015v2LegacyFortran.zip 1 World Magnetic Model (WMM2015v2) with Fortran source code and executables for Windows and Linux environments.
      1 WMM2015v2_Linux.tar.zip 1 World Magnetic Model (WMM2015v2) with new C software and executables for Linux environment.
      1 WMM2015v2_Windows.zip 1 World Magnetic Model (WMM2015v2) with the new C software and executables for Windows environment.
      Top

      MD_Medium

      none found
      Top

      MD_Constraints

      Count Component Use Limitation
      1 NCEI copyright Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
      Top

      MD_ReferenceSystem

      Count Component Code Authority Title
      1 WGS 84 urn:ogc:def:crs:EPSG::4326 World Geodetic System 1984
      Top

      MD_GridSpatialRepresentation

      Count Component Number of Dimensions Cell Geometry Code
      1 2 point
      Top

      MD_Georeferenceable or MI_Georeferenceable

      none found
      Top

      MD_Georectified or MI_Georectified

      none found
      Top

      MD_Dimension

      none found
      Top

      MD_CoverageDescription or MI_CoverageDescription

      Count Component Attribute Description Content Type
      1 Grid Cell
      Top

      MD_Band or MI_Band

      Count Component Identifier Descriptor
      1 Northerly Intensity
      1 Easterly Intensity
      1 Vertical Intensity
      1 Horizontal Intensity
      1 Total Intensity
      1 Inclination
      1 Declination
      1 Grid Variation
      Top

      MI_RangeElementDescription

      none found
      Top

      MD_AggregateInformation

      none found
      Top

      LE_Source or LI_Source

      Count Component Title Date Description
      1 CHAMP Satellite Data 2009-12-31 Challenging Minisatellite Payload (CHAMP) is a German satellite mission dedicated to improving gravity and magnetic field models of the Earth.
      1 INTERMAGNET Observatory Data 2009-12-31 Magnetics information that is collected at permanent surface magnetic observatories spread across the globe.
      1 ORSTED Satellite Data 2009-12-31 The Danish satellite Orsted is a dedicated satellite for geomagnetic field modeling.
      1 Swarm Satellite Data 2013-11-20 European Space Agency (ESA) Swarm Magnetic Satellite Mission
      Top

      LE_ProcessStep or LI_ProcessStep

      Count Component DateTime Description
      1 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.
      1 Some contributions to the measured magnetic field, such as the diamagnetic effect of ionospheric plasma (Lühr 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.
      1 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.
      1 2015-04-22T00:00:00 NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
      Top

      MI_Operation

      none found
      Top

      MI_Platform

      none found
      Top

      MI_Instrument

      none found
      Top