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Geomorphologists often speculate about what a desert flash-flood flow front / flood bore would look like. Turns out, not many of us have actually seen one in action. In this example from You Tube, some enterprising individuals went in the field to film some. This is entertaining and informative. You will immediately note the varying degrees to which the flow fronts are laden with flotsam and foam as well as complicated hydraulic interactions.

Visit you tube and search on ‘geology’ ‘floods’ and other key terms near to your heart and you will find, amongst the flotsam, some clips that have some true value to understanding surface processes. The 2005 tsunami helped open the door to this to some extent.

Also note that if you have a relatively new digital camera and a big memory card, you can create your own decent resolution footage in the field. Aside from instructional value, you may very well film a rare event one day.

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