­Assessing the causes of 20th century wetting in the eastern United States

Daniel A Bishop1,2, Park Williams3, Richard Seager4, Arlene M Fiore1,5, Benjamin Cook6,7, Justin S Mankin8,9, Deepti Singh1, Jason E Smerdon10 and Mukund Palat Rao11,12, (1)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (2)Columbia University of New York, Earth and Environmental Sciences, New York, NY, United States, (3)Columbia University, Lamont -Doherty Earth Observatory, Palisades, NY, United States, (4)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (5)Columbia University, Earth and Environmental Sciences, Palisades, NY, United States, (6)Lamont-Doherty Earth Observatory, Palisades, NY, United States, (7)NASA Goddard Institute for Space Studies, New York, United States, (8)Dartmouth College, Hanover, NH, United States, (9)NASA Goddard Institute for Space Studies, New York, NY, United States, (10)Lamont-Doherty Earth Observatory, Palisades, United States, (11)University Corporation for Atmospheric Research, Barcelona, Spain, (12)Lamont-Doherty Earth Observatory, New York, United States