Modelling Secular Variation in the Southwest Pacific

Main Article Content

Maha Ali Alfheid
Mohana Faroug Attia

Abstract

A spherical cap harmonic analysis (SCHA) model has been used to derive a high resolution regional model of the geomagnetic field in the southwest Pacific region over the past 400 years. Two different methods, a self-consistent and the gufm1 dipole method, have been used to fill in gaps in the available data. The data used in the analysis were largely measurements of the magnetic field recorded in ships logs on voyages of exploration in the region.  The method chosen for the investigation used a spherical cap of radius

Keywords:
Southwest pacific, geomagnetic field, gufm1, spherical harmonic analysis.

Article Details

How to Cite
Alfheid, M. A., & Attia, M. F. (2019). Modelling Secular Variation in the Southwest Pacific. Asian Journal of Advanced Research and Reports, 6(2), 1-20. https://doi.org/10.9734/ajarr/2019/v6i230150
Section
Original Research Article

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Available:http://dx.doi.org/10.1016/0031-9201(94)90093-0