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Scaling properties of gravity-driven sediments

Rothman, Daniel H. and Grotzinger, J. P. (1995) Scaling properties of gravity-driven sediments. Nonlinear Processes in Geophysics, 2 (3-4). pp. 178-185. ISSN 1023-5809. doi:10.5194/npg-2-178-1995.

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Recent field observations of the statistical distribution of turbidite and debris flow deposits are discussed. In some cases one finds a good fit over 1.5-2 orders of magnitude to the scaling law N(h) ∝ h^(-B), where N(h) is the number of layers thicker than h. Observations show that the scaling exponent B varies widely from deposit to deposit, ranging from about 1/2 to 2. Moreover, one case is characterized by a sharp crossover in which B increases by a factor of two as h increases past a critical thickness. We propose that the variations in B, either regional or within the same deposit, are indicative of the geometry of the sedimentary basin and the rheological properties of the original gravity-driven flow. The origin of the power-law distribution remains an open question.

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Grotzinger, J. P.0000-0001-9324-1257
Additional Information:© Author(s) 1995. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. Received 28 October 1994; Accepted 3 December 1994. Communicated by D. Sornette. This work was partially supported by NSF Grant 9218819-EAR and 9058199-EAR. We thank Jen Carlson for her assistance in processing the South African turbidite data.
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Issue or Number:3-4
Record Number:CaltechAUTHORS:20131031-101556607
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Official Citation:Rothman, D. H. and Grotzinger, J. P.: Scaling properties of gravity-driven sediments, Nonlin. Processes Geophys., 2, 178-185, doi:10.5194/npg-2-178-1995, 1995
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:42151
Deposited By: Tony Diaz
Deposited On:31 Oct 2013 21:50
Last Modified:10 Nov 2021 16:19

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