Schematic (IMAGE)

Rice University

Schematic

Caption

This schematic shows an ice shelf extending miles beyond the "grounding line" where an Antarctic glacier meets both land and sea. Black lines t1, t2 and t3 show where the ice sheet was grounded to the seafloor during pauses in ice retreat. Rice University marine geologists will study the past and present grounding lines of Thwaites Glacier as part of a massive US-UK research effort.

Credit

L. Prothro/Rice University

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