Reducing Resolution Dependency of Dust Emission Modeling Using Albedo‐Based Wind Friction
Adrian Chappell,
Mark Hennen,
Kerstin Schepanski
et al.
Abstract:Numerical simulations of dust emission processes are essential for dust cycle modeling and dust‐atmosphere interactions. Models have coarse spatial resolutions which, without tackling sub‐grid scale heterogeneity, bias finely resolved dust emission. Soil surface wind friction velocity (us*) drives dust emission non‐linearly with increasing model resolution, due mainly to thresholds of sediment entrainment. Albedo is area‐integrated, scales linearly with resolution, is related to us* and hence represents its su… Show more
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