TY - RPRT TI - Enhanced Arctic amplification began at the Mid-Brunhes Event 430,000 years ago AU - Thomas M. Cronin AU - Gary S. Dwyer AU - Emma Caverly AU - Jesse Farmer AU - Lauren H. DeNinno AU - Julio Rodriguez-Lazaro AU - Laura Gemery PY - 2017 DO - 10.1038/s41598-017-13821-2 UR - https://pubs.usgs.gov/publication/70191499 ID - 70191499 ER -