Study reveals how sand dunes alter seismic waves
July 31, 2018 by Larry O'hanlon, American Geophysical Union
Barchan dune geometry, in reality and the simulations. (a) Image of an isolated Qatari barchan dune from an aerial drone, courtesy of Sylvain Michel. (b) Elevation proï¬le of the same barchan, from data courtesy of Michel Louge. (c) Mesh generated model of the same dune. The red arrow indicates the location of the point force for the simulation in the video.
Sand dunes may be lovely to behold, but they have long been seismic troublemakers to geophysicists trying to detect what lies underground nearby. A new study takes a stab at figuring out just how dunes are fouling seismic surveys in hopes of finding ways to work around them.
https://m.phys.org/news/2018-07-reveals-sand-dunes-seismic.html
