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Earth's gravitational field: Seismic tomography resolves the enigma of the Laurentian Anomaly
Author(s) -
Peltier W. R.,
Forte A. M.,
Mitrovica J. X.,
Dziewonski A. M.
Publication year - 1992
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 - 10.1029/92gl01701
Subject(s) - geology , geophysics , seismology , seismic tomography , anomaly (physics) , earth (classical element) , tomography , field (mathematics) , gravitational field , geodesy , physics , astronomy , mantle (geology) , pure mathematics , optics , condensed matter physics , mathematics
We demonstrate that the negative free air gravity anomaly over Hudson Bay is not due to glacial isostatic disequilibrium but rather to the influence of large scale mantle convection.