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Earth Magnetic Field Data

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ArchKalmag14k - Correlation based model of the holocene core field, based on archeomagnetic and volcanic data

Correlation based geomagnetic field model of the holocene core field, based on archeomagnetic and volcanic data. ArchKalmag14k is constructed using methods from Bayesian statistics, in particular Gaussian processes and the Kalman filter, to reflect …
Declination Calculator for the International Geomagnetic Reference Field IGRF

The declination calculator provides declination values for any location on Earth and any time between 1900 and 2025. The calculation is based on the International Geomagentic Reference Field (IGRF) which describes the geomagnetic core field. The cal…
GGF100k - Model that covers the past 100.000 years and it is the longest global reconstruction of the geomagnetic field

GGF100k is a global geomagnetic field model covering the past 100,000 years. It is the first model that provides a global view of the geomagnetic field evolution over an extended period. The model is based on an extensive global dataset of over 100 …
Geomagnetic Hpo Index

The geomagnetic Hpo index is a Kp-like index with a time resolution of half an hour, called Hp30, and one hour, called Hp60. besides that, the Hpo index is not capped at 9 like Kp, but is an open ended index that describes the strongest geomagnetic …
Geomagnetic Kp index

The Indices of Global Geomagnetic Activity is a service contributing to the International Service of Geomagnetic Indices (ISGI) of the International Association of Geomagnetism and Aeronomy (IAGA) provided by the GFZ Helmholtz Centre for Geosciences…
Geomagnetic Observatory Data

The GFZ Helmholtz Centre for Geosciences operates and supports geomagnetic observatories worldwide. We provide unique and important scientific data for the investigation of Earth's interior (Earth's core and mantle) and near-Earth space (ionosphere …
Geomagnetic Observatory Niemegk (NGK)

The Adolf-Schmidt-Observatory for Geomagnetism in Niemegk is operated by GFZ since 1992. It belongs to [Section 2.3, Geomagnetism](https://www.gfz.de/en/section/geomagnetism/overview). The observatory is located 50km SW of Potsdam. Since 1930 it con…
Geomagnetic Observatory Santa Maria (SMA)

The Santa Maria (SMA) Observatory (Azores) is operated by GFZ and currently under construction.
The geomagnetic field intensity and directions are continously recorded at the observatory.
Geomagnetic Observatory St. Helena (SHE)

The Geomagnetic Observatory St. Helena (SHE) was set up in 2007 and is operated by GFZ. Data from 2010 onward is also available at INTERMAGNET.
Geomagnetic Observatory Tristan da Cunha (TDC)

The Geomagnetische Observatory Tristan da Cunha (TDC) was opened in October 2009 and is operated by the GFZ. The observatory is member of the INTERMAGNET program.
Geomagnetic Observatory Wingst (WNG)

The Geomagnetic Observatory Wingst (WNG) is operated as a remote station of the Niemegk Geomagnetic Observatory by GFZ since 2004. The Wingst observatory is a member of the INTERMAGNET program.
INTERMAGNET

INTERMAGNET is an international program to provide quality controlled geomagnetic observatory data through a website and an ftp-server. Both archive and near-real time data are provided. The INTERMAGNET observatories in Niemegk, Wingst, Tristan da C…
LSMOD Models - Models for the periode of 30 to 50 kyrs that contain the Laschamp and Mono Lake field excursions

Geomagnetic field models for the periode of 30 to 50 kyrs that contain the Laschamp and Mono Lake field excursions. The LSMOD models (current version LSMOD.2) represent the global evolution of the geomagnetic field for the time interval 50 to 30 ka.…
Mag.num - Model of the geomagnetic core field, based on satellite and observatory data

Mag.num models are the series of recent GFZ high-precision geomagnetic core field models that rely on satellite magnetic field measurements, in particular on calibrated Swarm and CHAMP vector field and ground observatory data. The coefficients of th…