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Global Dust Cycle and Direct Radiative Effect in E3SM Version 1: Impact of Increasing Model Resolution
  • +7
  • Yan Feng,
  • H Wang,
  • P J Rasch,
  • K Zhang,
  • W Lin,
  • Q Tang,
  • S Xie,
  • D S Hamilton,
  • N Mahowald,
  • H Yu
Yan Feng
Argonne National Laboratory

Corresponding Author:[email protected]

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H Wang
Pacific Northwest National Laboratory
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P J Rasch
Pacific Northwest National Laboratory
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K Zhang
Pacific Northwest National Laboratory
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W Lin
Brookhaven National Laboratory
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Q Tang
Lawrence Livermore National Laboratory
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S Xie
Lawrence Livermore National Laboratory
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D S Hamilton
Cornell University
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N Mahowald
Cornell University
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H Yu
NASA Goddard Space Flight Center
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Abstract

14 15 Key Points: 16 (1) E3SMv1 captures spatial and temporal variability in the observed dust aerosol optical 17 depth, but underestimates long-range transport. 18 (2) The net direct radiative effect of dust simulated by E3SMv1 is-0.42 Wm-2 with a smaller 19 longwave warming than other recent studies. 20 (3) In addition to emission, dry removal of dust are highly sensitive to the increase of 21 horizontal or vertical model resolution. 22 23 24