The US/UK World Magnetic Model for 2020-2025 : Technical Report

Chulliat, A.; W. Brown; P. Alken; C. Beggan; M. Nair; G. Cox; A. Woods; S. Macmillan; B. Meyer; M. Paniccia

doi:10.25923/ytk1-yx35

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i

The US/UK World Magnetic Model for 2020-2025 : Technical Report

2020
By Chulliat, A. ; W. Brown ; P. Alken ; ...

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Alternative Title:

The US/UK World Magnetic Model for 2020-2025
Personal Author:

Chulliat, A. ; W. Brown ; P. Alken ; C. Beggan ; M. Nair ; ... More +

Chulliat, A. ; W. Brown ; P. Alken ; C. Beggan ; M. Nair ; G. Cox ; A. Woods ; S. Macmillan ; B. Meyer ; M. Paniccia Less -
Corporate Authors:

National Centers for Environmental Information (U.S.) ; British Geological Survey

National Centers for Environmental Information (U.S.) ; British Geological Survey Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) Less -
Description:

This report contains a complete description of the World Magnetic Model (WMM) 2020. Section 1 contains information that users of WMM2020 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 WMM2020. Section 4 contains charts of all the magnetic elements at 2020.0 and their expected annual rates of change between 2020.0 and 2025.0. These predicted changes are based upon the best knowledge of the geomagnetic main field evolution at the time the WMM was released.
Keywords:

[+]

Geomagnetism Handbooks, Manuals, Etc. Mathematical Models Meteorology
DOI:

https://doi.org/10.25923/ytk1-yx35
Document Type:

Technical Report
Place as Subject:

United States ; Great Britain

United States ; Great Britain Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:1198103213ff211033c84c09857184b53626a5c8b8ce59fec60d7bb2b17532ff
Download URL:

https://repository.library.noaa.gov/view/noaa/24390/noaa_24390_DS1.pdf
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The US/UK World Magnetic Model for 2020-2025 : Technical Report

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