Induction in arbitrarily shaped oceans. V, the circulation of Sq-induced currents around land masses

Beamish, D.; Hewson-Browne, R.C.; Kendall, P.C.; Malin, S.R.C.; Quinney, D.A.. 1980 Induction in arbitrarily shaped oceans. V, the circulation of Sq-induced currents around land masses. Geophysical Journal International, 61 (3). 479-488. 10.1111/j.1365-246X.1980.tb04829.x

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Abstract/Summary

The model ocean used in previous papers in this series is refined to allow for five separate land masses. The ocean is taken to be of uniform depth, and insulated from the mantle which is modelled by an infinitely conducting core at uniform depth. The fast method of solution introduced in Paper IV enables the electric currents induced by Sq to be calculated on a 2° x 2° global mesh. The 'outer' solution away from the coast is calculated. The 'inner' solution will be a coastal correction different for every coastal configuration. The current is allowed to circulate round isolated land masses, giving markedly different patterns from those in Paper IV. For some harmonics it appears necessary to differentiate even between Australia and New Zealand, although the world-wide effect of the remote island of Spitz­ bergen is minimal. Current distributions are shown for periods of 6, 8, 12 and 24 hr, and a value is set on the current streaming between the various land masses for all the Legendre harmonics considered.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1111/j.1365-246X.1980.tb04829.x
Programmes:	BGS Programmes > Other
ISSN:	0956-540X
NORA Subject Terms:	Earth Sciences
Date made live:	02 Feb 2016 10:03 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/512794

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