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Two-species continuum model for aeolian sand ripples

Two-species continuum model for aeolian sand ripples
Two-species continuum model for aeolian sand ripples
We formulate a continuum model for aeolian sand ripples consisting of two species of grains: a lower layer of relatively immobile clusters, with an upper layer of highly mobile grains moving on top. We predict analytically the ripple wavelength, initial ripple growth rate and threshold saltation flux for ripple formation. Numerical simulations show the evolution of realistic ripple profiles from initial surface roughness via ripple growth and merger.
5170-5173
Hoyle, Rebecca B.
e980d6a8-b750-491b-be13-84d695f8b8a1
Mehta, Anita
f2a33cbb-f5cd-4731-9dfd-a66a35ef96b7
Hoyle, Rebecca B.
e980d6a8-b750-491b-be13-84d695f8b8a1
Mehta, Anita
f2a33cbb-f5cd-4731-9dfd-a66a35ef96b7

Hoyle, Rebecca B. and Mehta, Anita (1999) Two-species continuum model for aeolian sand ripples. Physical Review Letters, 83 (24), 5170-5173. (doi:10.1103/PhysRevLett.83.5170).

Record type: Article

Abstract

We formulate a continuum model for aeolian sand ripples consisting of two species of grains: a lower layer of relatively immobile clusters, with an upper layer of highly mobile grains moving on top. We predict analytically the ripple wavelength, initial ripple growth rate and threshold saltation flux for ripple formation. Numerical simulations show the evolution of realistic ripple profiles from initial surface roughness via ripple growth and merger.

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More information

Published date: 1999
Organisations: Mathematical Sciences

Identifiers

Local EPrints ID: 380291
URI: http://eprints.soton.ac.uk/id/eprint/380291
PURE UUID: 97e3c8da-b6d2-4d44-9f2f-e9fc5f0ff601
ORCID for Rebecca B. Hoyle: ORCID iD orcid.org/0000-0002-1645-1071

Catalogue record

Date deposited: 11 Aug 2015 15:46
Last modified: 20 Jul 2019 00:46

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