The uppermost mantle seismic velocity and viscosity structure of central West Antarctica

• Main Authors: O'Donnell, J. P., Selway, K., Nyblade, A. A., Brazier, R. A., Wiens, D. A., Anandakrishnan, S., Aster, R. C., Huerta, Audrey D., Wilson, T., Winberry, J. Paul
• Format: Text
• Language: unknown
• Published: ScholarWorks@CWU 2017
• Subjects: West Antarctica; mantle viscosity; glacial isostatic adjustment; seismic low-velocity zone; seismology; Geomorphology; Geophysics and Seismology; Glaciology; Tectonics and Structure; Anet; Antarctic; Byrd; Marie Byrd Land; West Antarctic Ice Sheet; Antarc*; Antarctica; Ice Sheet
• Online Access: https://digitalcommons.cwu.edu/cotsfac/325; https://digitalcommons.cwu.edu/cgi/viewcontent.cgi?article=1325&context=cotsfac

Accurately monitoring and predicting the evolution of the West Antarctic Ice Sheet via secular changes in the Earth's gravity field requires knowledge of the underlying upper mantle viscosity structure. Published seismic models show the West Antarctic lithosphere to be ∼70–100 km thick and unde...