Moulin distribution and formation on the southwest Greenland ice sheet 

Vena W. Chu, University of California Berkeley, Berkeley, CA, United States, Laurence C Smith, Brown University, Institute at Brown for Environment and Society (IBES); Department of Earth, Environmental, and Planetary Sciences (DEEPS), Providence, RI, United States, Colin J Gleason, University of Massachusetts Amherst, Civil & Environmental Engineering, Amherst, MA, United States, Kang Yang, University of California Los Angeles, Los Angeles, CA, United States, Kristin Poinar, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Ian R Joughin, Univ Washington, Seattle, United States and Lincoln H H Pitcher, University of California Los Angeles, Los Angeles, United States