Geomagnetic Models

Current Models

Model      

Description

Source

Date

HDGM2017

HDGM-RT2017

The High Definition Geomagnetic Model (HDGM) is a global, high resolution model (degree 720) of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and declination) at any point above or below the Earth's surface. An optional addition to HDGM is the HDGM-RT, which includes a model of Earth's magnetosphere which provides near real-time estimates of the external disturbance field due to the solar wind. It also contains a magnetic field model of the daily variations due to the ionospheric current systems.

Core +Magnetosphere +Ionosphere +Crust

2017-03-07

EMAG2_V3

Earth Magnetic Anomaly Grid: 2 arc-minute resolution (EMAG2) is a grid of crustal anomalies reported in two ways, a consistent 4km upward continued grid, and an anomaly altitude at sea level above oceanic regions and 4km above continental regions.

Crust

2016-06

DIFI-2 

The Dedicated Ionospheric Field Inversion (DIFI) model is a Swarm-based, global model of the Sq and equatorial electrojet magnetic fields at mid and low-latitudes. It describes variations with local time, season and solar flux and separates primary and induced magnetic fields.

Ionosphere

2016-05

POMME-10

The Potsdam Magnetic Model of the Earth (POMME) is a research model that describes both the internal and the external (magnetospheric) fields, taking into account the variability of space weather.

Core +External +Crust

2016-04

EMM2015

The Enhanced Magnetic Model (EMM) is a degree and order 720 internal field model, resolving magnetic anomalies down to 56 km wavelength.

Core +Crust

2015-05-15

WMM2015

The current World Magnetic Model (WMM) is a degree and order 12 core field model based on satellite observations and forecasting the field until Dec 31, 2019.

Core

2014-12-15

IGRF-12

The International Geomagnetic Reference Field (IRGF) is a model describing the core field from 1900 to 2020. The latest version was produced by an international team of scientists, including several from our team, under the auspices of the International Association of Geomagnetism and Aeronomy (IAGA).

Core

2014-12-01

MF7

CHAMP satellite based model of Earth's crustal magnetic anomaly resolved to degree 133, wavelengths of 300km.

Crust

2010-08

NGDC-720

The NGDC-720 model provides a description of the crustal field from ellipsoidal harmonic degree 16 to 719, corresponding to the waveband of 2500 km to 56 km.

Crust

2010-03

EEFM1

The Equatorial Electric Field Model (EEFM) is a satellite based EEF model at 108km altitude as a function of longitude, local-time, season, solar flux, and lunar local-time.

Ionosphere

2009-09

PPEEFM

The Prompt Penetration Equatorial Electric Field Model (PPEEFM) describes how the electric field in the equatorial ionosphere varies as a response to solar wind fluctuations.

Ionosphere

2009-09

EEJM2

The Equatorial Electrojet Model (EEJM) is a satellite derived model of the EEJ magnetic signature as a function of longitude, local-time, season, solar flux, and lunar local-time.

Ionosphere

2009-06

JVDM1

The JULIA (Jicamarca Unattended Long-term Investigations of the Ionosphere and Atmosphere) Vertical Drift Model (JVDM) models vertical plasma drifts at analtitude of 150km, 20 degrees above and below the magnetic equator.

Ionosphere

2008-10

 

= External Link to NOAA's National Centers for Environmental Information (NCEI)

 

Previous Models

Model    
Source          
Date    

 EMAG2

 Crust

 2009-03

 POMME-9

 Core +Crust +Magnetosphere

 2015-04

 POMME-8

 Core +Crust +Magnetosphere

 2013-05

 POMME-7

 Core +Crust +Magnetosphere

 2012-02

 POMME-6

 Core +Crust +Magnetosphere

 2009-10

 POMME-5

 Core +Crust +Magnetosphere

 2009-05

 MF6

 Crust

 2007-12

 POMME-4

 Core +Crust +Magnetosphere

 2007-06

 EEJM1

 External

 2007-05

 EMAG3

 Crust

 2007-01

 MF5

 Crust

 2006-09

 POMME-3

 Core +Crust +Magnetosphere

 2006-01

 POMME-2

 Core +Crust +Magnetosphere

 

 MF4X

 Crust