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Is Mwp 1a Real And Could It Have Originated In The Northern Hemisphere In Response To Bolling Warming, Sean D. Birkel
Is Mwp 1a Real And Could It Have Originated In The Northern Hemisphere In Response To Bolling Warming, Sean D. Birkel
Electronic Theses and Dissertations
Meltwater Pulse 1A (MWP 1A) is thought to have encompassed an abrupt rise in sea-level of 19 - 24 m ca. 14,000 calendar years B.P. The postulated rate of sea-level rise during the event was 24 - 50 mrnJyr. In contrast, the average rate of change during the overall glacial termination was 13 mrn/yr. Although MWP 1A is commonly accepted at face value, a compilation of all basic data points casts doubts on its validity. The Laurentide Ice Sheet (LIS) is commonly cited as the source of MWP 1A. Accelerated discharge of freshwater from the ice sheet could have weakened …