Evaluating the flux of extraterrestrial osmium at the onset of Younger Dryas in the GRIP ice core

Ji-Hye Seo1, Changhee Han2, Sungmin Hong2, Joergen Peder Steffensen3 and Mukul Sharma4, (1)Dartmouth College, Hanover, United States, (2)Inha University, Ocean sciences, Incheon, South Korea, (3)Center for Ice and Climate, University of Copenhagen, Copenhagen, Denmark, (4)Green Golf Carbon, Miami, United States