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Published on Jul 13, 2011
This movie shows how the generated meltwater and debris spills out of side-gullies and along the valley wall. When the flow reaches the local valley bottom, the sandur surface it fans out. The helicopter flies low over the flow in the sandur plain and one can see standing waves being generated by the shallow fast-moving water. This is an indication that large bedforms are actively formed and migrating over the bottom. It can also been seen that even over the floodplain the flow has erosive effect and incises an estimated ~1,5 m banks.