Isotopic Signature of an Atmospheric River Event- Denali National Park, Alaska Field Team Members: Karl Kreutz, Seth Campbell, Abigail Bradford May 14, 2014 – May 30, 2014 Background On January 23, 2014 the Alaska Range experienced heavy rains from an atmospheric river event originating in the Pacific Ocean, east of the Hawaiian Islands (NCDC, 2014). read more Isotopic Signature of an Atmospheric River Event – Denali National Park, Alaska