Weathering in the forelands of two rapidly retreating alpine glaciers of volcanic bedrock in the Three Sisters, Oregon, USA


Alicia M Rutledge1, Briony H N Horgan2, Elizabeth B Rampe3, Noel Scudder4 and Rebecca Smith4, (1)Northern Arizona University, Astronomy and Planetary Science, Flagstaff, United States, (2)Purdue University, Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States, (3)NASA Johnson Space Center, Houston, TX, United States, (4)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States