Diane M McKnight, University of Colorado at Boulder, INSTAAR, Boulder, CO, United States, Michael N Gooseff, University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, Balaji Rajagopalan, University of Colorado at Boulder, Department of Civil, Environmental and Architectural Engineering and CIRES, Boulder, CO, United States and Karen Cozzetto, University of Colorado-Boulder, Boulder, CO, United States