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Agassiz δ18O temperature reconstruction: (A) Agassiz δ18O record with the addition of the 2010 shallow ice core and estimated elevation corrections for (B) isostatic adjustment and (C) thinning of the Innuitian ice sheet along the southeastern coast of Ellesmere Island. (D) Agassiz δ18O temperature reconstruction (dark red) with its 2σ uncertainty (light red).
