Co2 sublimation in martian gullies: influence of slope angle and grain size on sediment movement

SEDIMENT MOVEMENT. M. E. Sylvest, J. C. Dixon, S. J. Conway, M. R. Patel, J. N. McElwaine, A. Hagermann & A. Barnes. Arkansas Center for Space and Planetary Sciences, University of Arkansas, Fayetteville, AR (Matthew.Sylvest@open.ac.uk), School of Physical Sciences, Open University, Milton Keynes, UK, Laboratoire de Planétologie et Géodynamique de Nantes-UMR CNRS 6112, Nantes, France, Space Science and Technology Department, STFC Rutherford Appleton Laboratory, Oxfordshire, UK, Department of Earth Sciences, Durham University, UK, Planetary Science Institute, Tucson, AR, Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville, AR.