Little Ice Age Wetting of Interior Asian Deserts and the Rise of the Mongol Empire

Aaron E Putnam1,2, David Putnam3, Laia Andreu-Hayles1, Edward R Cook4, Jonathan Gray Palmer5, Elizabeth H Clark6, Chunzeng Wang7, Feng Chen8, George Denton9, Douglas P Boyle10, Scott Bassett11, Sean D Birkel2, Javier Martin Fernandez6, Irka Hajdas12, John Richard Southon13, Christopher Garner11 and Wallace S Broecker14, (1)Columbia University of New York, Palisades, United States, (2)University of Maine, School of Earth and Climate Sciences, Orono, United States, (3)University of Maine at Presque Isle, Presque Isle, ME, United States, (4)Lamont-Doherty Earth Observatory, Tree-Ring Laboratory, Palisades, United States, (5)University of New South Wales, Sydney, Australia, (6)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (7)University of Maine at Presque Isle, Presque Isle, United States, (8)China Meteorological Administration, Institute of Desert Meteorology, Ürümqi, China, (9)University of Maine, School of Earth and Climate Sciences and Climate Change Institute, Orono, ME, United States, (10)University of Nevada Reno, Reno, NV, United States, (11)University of Nevada, Reno, Reno, NV, United States, (12)ETH Zurich, Zurich, Switzerland, (13)University of California Irvine, Earth System Science, Irvine, United States, (14)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States