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Séminaire de Herbert Huppert
28 May à 14 h 00 min - 17 h 00 min
Lava flows: theory; lab. experiments; and field data.
Ed. Hinton, Andrew Hogg and Herbert Huppert.
We will present the results of a study of thin, viscous flows down an inclined plane to which is attached different topographical structures,
representing hills, buildings, walls, cars and so on in the path of an initially broad lava flow.
We will discuss the mathematical predictions of ponding, dry regions, special flow structures
and the force the flow exerts on the obstacle concerned. This will be followed by a series of videos of laboratory experiments confirming the results.
The audience will be encouraged to provide field data that exactly fits the theoretical predictions!