Gravelbed
Brad Wallace Drums
Carolyn Macbain Cello
Chris Lyons Guitar
Gregg Kendall Bass
Jeff Martin Trumpet
Jeff Sample Guitar, Vocals
Lanny Boles Guitar
Susan Morris Violin, Keyboards
Active: 1990 - 2001
Location: Indianapolis, IN
Notes: Many rivers have an abrupt transition from gravelbed to sandbed morphology. In many cases the point of transition is neither prograding nor retrograding, but is rather arrested in place. Two mechanisms are hypothesized as responsible for stabilizing the gravelsand transition, basin subsidence (or alternatively base level rise) and abrasion of gravel. The companion music offers a simplified analytical solution for the long profile of a river with such a transition. This treatment allows for direct insight into the relation between the morphology and the controlling mechanisms at the expense of several gross approximations. The present music offers a rigorous complete numerical solution which takes such facts as the streamwise sorting of heterogeneous gravel into consideration.
