Energy- and momentum-conserving model of splash entrainment in sand and snow saltation

DOI

The files contain the datasets used to produce Figures 2, 3, and 4 of the manuscript (doi: 10.1002/2016GL071822).

Manuscript Abstract:

Despite being the main sediment entrainment mechanism in aeolian transport, granular splash is still poorly understood. We provide a deeper insight into the dynamics of sand and snow ejection with a stochastic model derived from the energy and momentum conservation laws. Our analysis highlights that the ejection regime of uniform sand is inherently different from that of heterogeneous sand. Moreover, we show that cohesive snow presents a mixed ejection regime, statistically controlled either by energy or momentum conservation depending on the impact velocity. The proposed formulation can provide a solid base for granular splash simulations in saltation models, leading to more reliable assessments of aeolian transport on Earth and Mars.

Identifier
DOI https://doi.org/10.16904/envidat.61
Metadata Access https://www.envidat.ch/api/action/package_show?id=467b2213-b72a-4578-8c2e-f1181b6a7742
Provenance
Creator Francesco, Comola, 0000-0002-3867-732X
Publisher EnviDat
Publication Year 2017
Funding Reference Funding information not available.,
Rights odc-odbl; ODbL with Database Contents License (DbCL)
OpenAccess true
Contact envidat(at)wsl.ch
Representation
Language English
Resource Type Dataset
Version 1.0
Discipline Environmental Sciences
Spatial Coverage (6.567 LON, 46.520 LAT); EPFL Lausanne (VD), Switzerland