pygeodyn 1.1.0: a Python package for geomagnetic data assimilation

• Published in: Geoscientific Model Development Vol. 12; no. 8; pp. 3795 - 3803
• Main Authors: Huder, Loïc, Gillet, Nicolas, Thollard, Franck
• Format: Journal Article
• Language: English
• Published: Katlenburg-Lindau Copernicus GmbH 29.08.2019; Copernicus Publ; Copernicus Publications
• Subjects: Access; Algorithms; Computer simulation; Data; Data assimilation; Data collection; Dynamo theory; Earth Sciences; Geomagnetic data; Geomagnetic fields; Geomagnetic observations; Geomagnetism; Geophysics; Methods; Observations; Profiles; Sciences of the Universe; Statistical methods; Stochastic models; Surface dynamics; Technology application; United States
• ISSN: 1991-9603; 1991-959X; 1991-962X; 1991-9603; 1991-962X
• DOI: 10.5194/gmd-12-3795-2019

The pygeodyn package is a sequential geomagnetic data assimilation tool written in Python. It gives access to the core surface dynamics, controlled by geomagnetic observations, by means of a stochastic model anchored to geodynamo simulation statistics. The pygeodyn package aims to give access to a user-friendly and flexible data assimilation algorithm. It is designed to be tunable by the community by different means, including the following: the possibility to use embedded data and priors or to supply custom ones; tunable parameters through configuration files; and adapted documentation for several user profiles. In addition, output files are directly supported by the package webgeodyn that provides a set of visualization tools to explore the results of computations.