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dc.contributor.authorTamisiea, M. E.
dc.contributor.authorMitrovica, Jerry
dc.contributor.authorDavis, J. L.
dc.date.accessioned2019-09-25T17:54:07Z
dc.date.issued2007
dc.identifier.citationTamisiea, M. E., J. X. Mitrovica, and J. L. Davis. 2007. “GRACE Gravity Data Constrain Ancient Ice Geometries and Continental Dynamics over Laurentia.” Science 316 (5826): 881–83. https://doi.org/10.1126/science.1137157.
dc.identifier.issn0036-8075
dc.identifier.issn1095-9203
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:41401433*
dc.description.abstractThe free-air gravity trend over Canada, derived from the Gravity Recovery and Climate Experiment ( GRACE) satellite mission, robustly isolates the gravity signal associated with glacial isostatic adjustment (GIA) from the longer-time scale mantle convection process. This trend proves that the ancient Laurentian ice complex was composed of two large domes to the west and east of Hudson Bay, in accord with one of two classes of earlier reconstructions. Moreover, GIA models that reconcile the peak rates contribute similar to 25 to similar to 45% to the observed static gravity field, which represents an important boundary condition on the buoyancy of the continental tectosphere.
dc.language.isoen_US
dc.publisherAmerican Association for the Advancement of Science
dash.licenseMETA_ONLY
dc.titleGRACE Gravity Data Constrain Ancient Ice Geometries and Continental Dynamics over Laurentia
dc.typeJournal Article
dc.description.versionVersion of Record
dc.relation.journalScience
dash.depositing.authorMitrovica, Jerry
dc.date.available2019-09-25T17:54:07Z
dash.workflow.comments1Science Serial ID 85925
dc.identifier.doi10.1126/science.1137157
dash.source.volume316;5826
dash.source.page881-883
dash.contributor.affiliatedMitrovica, Jerry


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