1 point Your answers to Questions 3, 4 and 5 should indicate very fast erosion immediately after the dam removal (Question 3), followed by slower erosion (Quet faster erosion (Question 5). The initial period of fast erosion reflects rapid downcutting into the reservoir sediment by the river and establishment of a new channel at a lower bed elevation. After that, the slowing pace reflects the stabilization of the channel. To what do you attribute the more rapid erosion that occurred between the August 2009 and May 2010 surveys (Question 5)