Articles | Volume 8, issue 2
https://doi.org/10.5194/gmd-8-341-2015
https://doi.org/10.5194/gmd-8-341-2015
Development and technical paper
 | 
19 Feb 2015
Development and technical paper |  | 19 Feb 2015

Testing the performance of state-of-the-art dust emission schemes using DO4Models field data

K. Haustein, R. Washington, J. King, G. Wiggs, D. S. G. Thomas, F. D. Eckardt, R. G. Bryant, and L. Menut

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Short summary
In this paper, the performance of three commonly used dust emissions schemes is investigated using a box model environment and observational data obtained in Botswana (Sua Pan). The results suggest that all schemes fail to reproduce the observed horizontal dust flux properly. They overestimate its magnitude by several orders of magnitude. The key parameter for this mismatch is the surface crusting which limits the availability of erosive material, even at higher wind speeds.