The US/UK World Magnetic Model for 2015-2020

Chulliat, Arnaud; Macmillan, Susan; Alken, Patrick; Beggan, Ciaran; Nair, Manoj; Hamilton, Brian; Woods, Adam; Ridley, Victoria; Maus, Stefan; Thomson, Alan. 2015 The US/UK World Magnetic Model for 2015-2020. BGS and NOAA, 112pp.

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Abstract/Summary

This report contains a complete description of the World Magnetic Model (WMM) 2015. Section 1 contains information that users of WMM2015 require in order to implement the model and software in navigation and heading systems, and to understand magnetic charts, poles and geomagnetic coordinate systems. Section 2 contains a detailed summary of the data used and the modeling techniques employed. Section 3 contains an assessment of the model uncertainties and a description of the error model provided with the WMM2015. Section 4 contains charts of all the magnetic elements at 2015.0 and their expected annual rates of change between 2015.0 and 2020.0. These predicted changes are based upon the best knowledge of the geomagnetic main field evolution at the time the WMM was released. Sponsored by the U.S. National Geospatial-Intelligence Agency (NGA) and the U.K. Defence Geographic Centre (DGC), the World Magnetic Model (WMM) is produced by the U.S. National Oceanic and Atmospheric Administration’s National Geophysical Data Center (NOAA/NGDC) and the British Geological Survey (BGS). It is the standard model used by the U.S. Department of Defense (DoD), the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and the International Hydrographic Organization (IHO), for navigation, attitude and heading referencing systems using the geomagnetic field. It is also used widely in civilian navigation and heading systems.

Item Type:	Publication - Report
Digital Object Identifier (DOI):	https://doi.org/10.7289/V5TB14V7
Funders/Sponsors:	Ministry of Defence, US Department of Defense
Additional Keywords:	geomagnetism
NORA Subject Terms:	Earth Sciences
Related URLs:	Project Website Project Website
Date made live:	29 Apr 2015 09:09 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/510709

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