2026-05-09T23:50:08Z

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

Gbl Index Year Im:

2010

Dct Creator Sm:

National Geophysical Data Center

Dct Description Sm:

This line shapefile shows lines of equal annual change (secular variation) in the horizontal component of the total field intensity of the Earth's ...