Francis Massen
Claude Boes

Luxembourg Caving Group (


Where opens the "Trou du Vent" ?


This is an html transcription and English translation of a paper presented  at the "Journées de Spéléologie Scientifique" (i.e. "Scientific Speleology Days") at Han-sur-Lesse in Belgium, 16th November 2002.

Using measurements done with the Kestrel4000 at the entrance of a blowing cave, a simplified model tries to find the unknown upper opening of the cave