Greenland NEEM ice core records of As, Cd, Cr and Mo during the period of 1820-1970 AD
Khanghyun Lee1, Yeongcheol Han2, Jangil Moon2, Soon Do Hur2 and Sungmin Hong3, (1)Korea Polar Research Institute, Incheon, Korea, Republic of (South), (2)Korea Polar Research Institute, Incheon, South Korea, (3)Inha University, Ocean sciences, Incheon, South Korea