Bedrock erosion by debris flows, field and laboratory experiments
(click images for .wmv streaming video)

Illgraben Torrent - bedrock slabs eroded in a Swiss channel with multiple flows per year

snout of small flow

body of small flow

snout of large flow

eroded marble

Big Wheel - 4-meter diameter rotating drum flume

full view

top view, fast

rough bed

smooth bed, sliding

Maytag - 60-cm diameter rotating drum flume

dry flow

saturated flow


size variation

Lhsu, UC Berkeley, 2007

lhsu home ... research home ... dflow home