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International Geomagnetic Reference Field: the thirteenth generation

Patrick AlkenNOAA National Centers for Environmental Information, Boulder, CO, USAErwan ThébaultUniversité d'AngersCiarán BegganBritish Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UKHagay AmitNantes UniversitéJulien AubertUniversité de Paris, Institut de Physique du Globe de Paris, CNRS, 75005, Paris, FranceJulien BaerenzungUniversity of Potsdam, Am Neuen Palais 10, Potsdam, GermanyT. N. BondarPushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Kaluzhskoe Hwy 4, Moscow, RussiaWilliam BrownBritish Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UKS. CaliffCooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, 325 Broadway, E/NE42, Boulder, CO, 80305, USAAude ChambodutUniversité de StrasbourgArnaud ChulliatNOAA National Centers for Environmental InformationGrace CoxBritish Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UKChristopher C. FinlayDivision of Geomagnetism, DTU Space, Technical University of Denmark, Centrifugevej 356, Kongens Lyngby, 2800, DenmarkAlexandre FournierUniversité Paris CitéNicolas GilletInstitut de Recherche pour le DéveloppementAlexander GrayverInstitute of Geophysics, Department of Earth Sciences, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, SwitzerlandMagnus HammerDivision of Geomagnetism, DTU Space, Technical University of Denmark, Centrifugevej 356, Kongens Lyngby, 2800, DenmarkM. HolschneiderUniversity of Potsdam, Am Neuen Palais 10, Potsdam, GermanyLoïc HuderUniversité Gustave EiffelGauthier HulotInstitut de physique du globe de ParisThomas JägerCEA-Leti, Minatec Campus, Grenoble, FranceClemens KlossDivision of Geomagnetism, DTU Space, Technical University of Denmark, Centrifugevej 356, Kongens Lyngby, 2800, DenmarkMonika KorteGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyWeijia KuangNASA/Goddard Space Flight Center, Greenbelt, MD, USAAlexey KuvshinovInstitute of Geophysics, Department of Earth Sciences, ETH Zurich, Sonneggstrasse 5, Zurich, 8092, SwitzerlandB. LanglaisLaboratoire de Planétologie et Géodynamique, UMR 6112, Université de Nantes, Université d’Angers, CNRS, Nantes, FranceJean‐Michel LégerCommissariat à l'Énergie Atomique et aux Énergies AlternativesVincent LesurUniversité de Paris, Institut de Physique du Globe de Paris, CNRS, 75005, Paris, FrancePhilip W. LivermoreSchool of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UKF. J. LowesUniversity of Newcastle, Newcastle upon Tyne, NE1 7RU, UKSusan MacmillanBritish Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, UKW. MagnesSpace Research InstituteMioara MandéaCentre National d’Etudes Spatiales, Paris, FranceSantiago MarsalObservatori de l’Ebre (OE), Univ. Ramon Llull - CSIC, Roquetes, SpainJürgen MatzkaGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyMaurits C. MetmanSchool of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UKTakuto MinamiEarthquake and Volcano Research Center, Graduate School of Environmental Studies, Nagoya University, D2-2, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, JapanA. MorschhauserGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyJ. E. MoundSchool of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UKManoj NairNOAA National Centers for Environmental Information, Boulder, CO, USAS. NakanoDepartment of Statistical Modeling, The Institute of Statistical Mathematics, 10-3 Midori-cho, Tachikawa, Tokyo, 190-8562, JapanNils OlsenDivision of Geomagnetism, DTU Space, Technical University of Denmark, Centrifugevej 356, Kongens Lyngby, 2800, DenmarkFco. Javier Pavón–CarrascoUniversidad Complutense de Madrid, Madrid, SpainV. G. PetrovPushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Kaluzhskoe Hwy 4, Moscow, RussiaGuillaume RoppUniversité Paris CitéM. RotherGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyTerence J. SabakaNASA/Goddard Space Flight Center, Greenbelt, MD, USASabrina SanchezMax Planck Institute for Solar System Research, Justus-von-Liebig-Weg 3, 37077, Göttingen, GermanyDiana SaturninoLaboratoire de Planétologie et Géodynamique, UMR 6112, Université de Nantes, Université d’Angers, CNRS, Nantes, FranceN. R. SchnepfNOAA National Centers for Environmental Information, Boulder, CO, USAXiang ShenInstitute of Crustal Dynamics, China Earthquake Administration, Beijing , ChinaClaudia StolleGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyAndrew TangbornNASA/Goddard Space Flight Center, Greenbelt, MD, USALars Tøffner‐ClausenDivision of Geomagnetism, DTU Space, Technical University of Denmark, Centrifugevej 356, Kongens Lyngby, 2800, DenmarkHiroaki TohDivision of Earth and Planetary Sciences, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto, 606-8502, JapanJ. M. TortaObservatori de l’Ebre (OE), Univ. Ramon Llull - CSIC, Roquetes, SpainJ. D. VarnerNOAA National Centers for Environmental Information, Boulder, CO, USAFoteini VervelidouGFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, GermanyP. VigneronUniversité Paris CitéI. WardinskiUniversité de StrasbourgJohannes WichtMax Planck Institute for Solar System Research, Justus-von-Liebig-Weg 3, 37077, Göttingen, GermanyAdam WoodsCooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, 325 Broadway, E/NE42, Boulder, CO, 80305, USAYanyan YangInstitute of Crustal Dynamics, China Earthquake Administration, Beijing , ChinaZ. ZerenInstitute of Crustal Dynamics, China Earthquake Administration, Beijing , ChinaBin ZhouNational Space Science Center

2021en

ABI

Annotatsiya

Abstract In December 2019, the International Association of Geomagnetism and Aeronomy (IAGA) Division V Working Group (V-MOD) adopted the thirteenth generation of the International Geomagnetic Reference Field (IGRF). This IGRF updates the previous generation with a definitive main field model for epoch 2015.0, a main field model for epoch 2020.0, and a predictive linear secular variation for 2020.0 to 2025.0. This letter provides the equations defining the IGRF, the spherical harmonic coefficients for this thirteenth generation model, maps of magnetic declination, inclination and total field intensity for the epoch 2020.0, and maps of their predicted rate of change for the 2020.0 to 2025.0 time period.

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DOI: 10.1186/s40623-020-01288-x

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