Machine learning models inaccurately predict current and future high-latitude C balances

Ian Shirley1, Zelalem A Mekonnen2, Robert F Grant3, Baptiste Dafflon1 and William J Riley4, (1)Lawrence Berkeley National Laboratory, Berkeley, United States, (2)University of Alberta, Edmonton, AB, Canada, (3)University of Alberta, Department of Renewable Resources, Edmonton, AB, Canada, (4)Lawrence Berkeley National Laboratory, Climate & Ecosystem Sciences Division, Berkeley, United States