The Kalmag model as a candidate for IGRF-13

The Kalmag model as a candidate for IGRF-13

Abstract We present a new model of the geomagnetic field spanning the last 20 years and called Kalmag. Deriving from the assimilation of CHAMP and Swarm vector field measurements, it separates the different contributions to the observable field through parameterized prior covariance matrices. To mak...

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Bibliographic Details
Main Authors: Julien Baerenzung, Matthias Holschneider, Johannes Wicht, Vincent Lesur, Sabrina Sanchez
Format: Article
Language:English
Published: SpringerOpen 2020-10-01
Series:Earth, Planets and Space
Subjects:
Geomagnetic field
Secular variation
Assimilation
Kalman filter
Machine learning
Online Access:http://link.springer.com/article/10.1186/s40623-020-01295-y

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