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Authors: Bevis, Michael* 
Melini, Daniele* 
Spada, Giorgio* 
Title: On computing the geoelastic response to a disk load
Issue Date: 30-Mar-2016
Series/Report no.: /205 (2016)
DOI: 10.1093/gji/ggw115
Abstract: We review the theory of the Earth’s elastic and gravitational response to a surface disk load. The solutions for displacement of the surface and the geoid are developed using expansions of Legendre polynomials, their derivatives and the load Love numbers. We provide a MATLAB function called diskload that computes the solutions for both uncompensated and compensated disk loads. In order to numerically implement the Legendre expansions, it is necessary to choose a harmonic degree, nmax, at which to truncate the series used to construct the solutions. We present a rule of thumb (ROT) for choosing an appropriate value of nmax, describe the consequences of truncating the expansions prematurely and provide a means to judiciously violate the ROT when that becomes a practical necessity
Description: This article has been accepted for publication in Geophysical Journal Internationa ©: The Authors 2016. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. Uploaded in accordance with the publisher's self-archiving policy.
Appears in Collections:Papers Published / Papers in press

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