World Magnetic Model
id:
world-magnetic-model-319-8770242
title:
World Magnetic Model
text:
The World Magnetic Model (WMM) is a large spatial-scale representation of the Earth's magnetic field. It was developed jointly by the US National Geophysical Data Center and the British Geological Survey. The data and updates are issued by the US National Geospatial-Intelligence Agency and the UK Defence Geographic Centre. The model consists of a degree and order 12 spherical harmonic expansion of the magnetic scalar potential of the geomagnetic main field generated in the Earth's core. Apart fr
brand slug:
wiki
category slug:
encyclopedia
description:
Large spatial-scale model of the Earth's magnetic field
original url:
https://en.wikipedia.org/wiki/World_Magnetic_Model
date created:
date modified:
2024-04-06T22:41:07Z
main entity:
{"identifier":"Q17105256","url":"https://www.wikidata.org/entity/Q17105256"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c1/Wmm2010declination.png","width":494,"height":505}
fields total:
13
integrity:
15