Datasets / Magnetic Field - Secular Variation of the Horizontal Component of the Total Field Intensity for the Epoch 2010.0 - Direct Download

Magnetic Field - Secular Variation of the Horizontal Component of the Total Field Intensity for the Epoch 2010.0 - Direct Download

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Published By U.S. Geological Survey, Department of the Interior

Issued más de 9 años ago

US
beta

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Description

This map layer shows lines of equal annual change (secular variation) in the horizontal component of the total field intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference Field (IGRF) for the epoch 2010.0. Magnetic intensity is the strength of the magnetic field, and is described in terms of a horizontal component and a vertical component. The change in intensity is measured in nanoTeslas per year.

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