Differences in dissolved organic matter lability between alpine glaciers and alpine rock glaciers of the American West

Ed Hall, Colorado State University, Department of Ecosystem Science and Sustainability, Fort Collins, CO, United States, Timothy Fegel, Colorado State University, Fort Collins, CO, United States, Jill Baron, USGS Colorado Water Science Center Denver, Denver, CO, United States and Claudia M Boot, Colorado State University, Chemistry, Fort Collins, United States