High resolution 3D laser scanner measurements of a strike-slip fault quantify its morphological anisotropy at all scales

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dc.creatorRenard, Francois
dc.creatorVoisin, Christophe
dc.creatorMarsan, Davd
dc.creatorSchmittbuhl, Jean
dc.date2008-01-03
dc.date.accessioned2026-07-07T08:52:22Z
dc.date.available2026-07-07T08:52:22Z
dc.descriptionThe surface roughness of a recently exhumed strikeslip fault plane has been measured by three independent 3D portable laser scanners. Digital elevation models of several fault surface areas, from 1 m2 to 600 m2, have been measured at a resolution ranging from 5 mm to 80 mm. Out of plane height fluctuations are described by non-Gaussian distribution with exponential long range tails. Statistical scaling analyses show that the striated fault surface exhibits self-affine scaling invariance with a small but significant directional morphological anisotropy that can be described by two scaling roughness exponents, H1 = 0.7 in the direction of slip and H2 = 0.8 perpendicular to the direction of slip.
dc.identifierhttps://arxiv.org/abs/0801.0544
dc.identifierhttp://arxiv.org/abs/0801.0544
dc.identifierGeophysical Research Letters 33 (2006) L04305
dc.identifierdoi:10.1029/2005GL025038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145256
dc.subjectGeophysics
dc.titleHigh resolution 3D laser scanner measurements of a strike-slip fault quantify its morphological anisotropy at all scales
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