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

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.

Citation:

Francesco Comola (2017). Energy- and momentum-conserving model of splash entrainment in sand and snow saltation. EnviDat. doi:10.16904/envidat.61.

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Data and Resources

Metadata

Field Values
DOI 10.16904/envidat.61
Authors
  • Name: Francesco Comola  Affiliation: EPFL  Email: francesco.comolafoo(at)gmail.com  ORCID: 0000-0002-3867-732X
Contact Person Name: Francesco Comola  Email: francesco.comolafoo(at)gmail.com  Affiliation: EPFL
Subtitles
Publication Publisher: EnviDat  Year: 2017
Dates
  • Type: Created  Date: 2017-01-20
Version 1.0
Type Dataset
General Type Dataset
Language English
Location EPFL Lausanne (VD), Switzerland
License Open Data Commons Open Database License (ODbL)    [Open Data]
Last Updated March 14, 2019, 18:53 (CET)
Created January 20, 2017, 14:47 (CET)