François Métivier (老弗)

Nappe libre expérimentale

Croissance d'une nappe libre dans des billes de verres.

Experimental Fan

Microscale experimental fan (size of image ~ 70x35 cm). Fluid made of a viscous mixture of glycerol and water. Sediment composed of ~ 400 microns corindom grains. 1 movie second approximately equals 20 minutes in real time. Reference

Bank Erosion

Bank erosion on the braided torrent Saint Pierre at the pré de madame Carle, Ecrins massif, French Alps. July 2003. Real speed. Note the erosion of boulders on the right bank. The bank retreat is on the order of 1m. Reference

Channel change

Channel change in the torrent de Saint Pierre, Ecrins massif, French Alps, july 2003. Reference

Turbidite for class

Microscale turbidite experiment for class

Braided stream experiment : front view

Microscale braided stream experiment viewed from front: flume width is 0.8 m and flume length is a little less then 2 m. glass beads of 0.5 mm where used as sediment. Discharge is on order of 2 l/mn and slope around 2%. Reference.

Braided stream experiment :plan view

Microscale braided stream experiment viewed from above: flume width is 0.8 m and flume length is a little less then 2 m. glass beads of 0.5 mm where used as sediment. Discharge is on order of 2 l/mn and slope around 2%. Reference.

Bedload sampling

Bedload sampling along the Urumqi river using a hand held sampler. Reference

Bedload movement

Bedload movement along the Torrent de Saint Pierre (French Alps) during summer 2003. Reference.