Later research concerning the paleoclimatology and ice sheets of Antarctica have discredited the interpretations by Hapgood that an Antarctic warm period coincided with the last glacial period in the Northern Hemisphere and that any part of it had been ice-free at and prior to 9,600 BC (approx. 11,600 years ago).Anderson, J. B., S. S. Shipp, A. L. Lowe, J. S. Wellner, J. S., and A. B. Mosola (2002) "The Antarctic Ice Sheet during the Last Glacial Maximum and its subsequent retreat history: a review". Quaternary Science Reviews. v. 21, pp. 49–70.Ingolfsson, O. (2004) Quaternary glacial and climate history of Antarctica. in: J. Ehlers and P. L. Gibbard, eds., pp. 3–43, Quaternary Glaciations: Extent and Chronology 3: Part III: South America, Asia, Africa, Australia, Antarctica. Elsevier, New York.
Later research concerning the paleoclimatology and ice sheets of Antarctica have discredited the interpretations by Hapgood that an Antarctic warm period coincided with the last glacial period in the Northern Hemisphere and that any part of it had been ice-free at and prior to 9,600 BC (approx. 11,600 years ago).Anderson, J. B., S. S. Shipp, A. L. Lowe, J. S. Wellner, J. S., and A. B. Mosola (2002) "The Antarctic Ice Sheet during the Last Glacial Maximum and its subsequent retreat history: a review". Quaternary Science Reviews. v. 21, pp. 49–70.Ingolfsson, O. (2004) Quaternary glacial and climate history of Antarctica. in: J Ehlers and P. L. Gibbard, eds., pp. 3–43, Quaternary Glaciations: Extent and Chronology 3: Part III: South America, Asia, Africa, Australia, Antarctica. Elsevier, New York.