1 Matching Annotations
  1. Jul 2017
    1. Arrest lines

      Crack propagation occurs on all scales in space and time, including ice shelves. The video show stops in crack propagation that are commonly found as arrest lines on joint surfaces. Larsen ice shelf's leading edge collapse is a natural process, though this is a big one: http://psgt.earth.lsa.umich.edu/annotations/larsen.mp4.