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Effects of removing concentric positioning on postglacial vertical displacement in the presence of lateral variation in lithospheric thickness
Author(s) -
Ni Zhihong,
Wu Patrick
Publication year - 1998
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/98gl52326
Subject(s) - concentric , lithosphere , geology , rotational symmetry , displacement (psychology) , vertical displacement , geodesy , variation (astronomy) , geometry , enhanced data rates for gsm evolution , tectonics , seismology , geomorphology , physics , mathematics , psychology , telecommunications , astrophysics , computer science , psychotherapist
In order to understand the effects of non‐concentric positioning on postglacial rebound in the presence of lateral lithospheric thickness variations, vertical displacements are calculated for disc‐like loads placed on non‐axisymmetric earth models. Results show that removal of concentric positioning do not produce significant effects that can be resolved by relative sealevel data, and the edge of the ice load remains most sensitive to the effects of lateral heterogeneities. This implies that earlier results of axisymmetric models can be extended to fully 3D laterally heterogeneous models.

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