Retrieving the global distribution of the threshold of wind erosion from satellite data and implementing it into the Geophysical Fluid Dynamics Laboratory land–atmosphere model (GFDL AM4.0/LM4.0)

Pu, Bing; Ginoux, Paul; Guo, Huan; Hsu, N. Christina; Kimball, John; Marticorena, Beatrice; Malyshev, Sergey; Naik, Vaishali; O'Neill, Norman T.; Pérez García-Pando, Carlos; Paireau, Juliette; Prospero, Joseph M.; Shevliakova, Elena; Zhao, Ming

doi:10.5194/acp-20-55-2020

Articles | Volume 20, issue 1

https://doi.org/10.5194/acp-20-55-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-55-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 1

Research article

|

03 Jan 2020

Research article |

| 03 Jan 2020

Retrieving the global distribution of the threshold of wind erosion from satellite data and implementing it into the Geophysical Fluid Dynamics Laboratory land–atmosphere model (GFDL AM4.0/LM4.0)

Bing Pu, Paul Ginoux, Huan Guo, N. Christina Hsu, John Kimball, Beatrice Marticorena, Sergey Malyshev, Vaishali Naik, Norman T. O'Neill, Carlos Pérez García-Pando, Juliette Paireau, Joseph M. Prospero, Elena Shevliakova, and Ming Zhao

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Jan 2020	288	87	5	380
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Aug 2021	45	13	0	58
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Oct 2021	25	34	0	59
Nov 2021	48	31	1	80
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Jul 2022	66	4	0	70
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Jan 2024	31	47	1	79
Feb 2024	37	24	2	63
Mar 2024	54	57	2	113
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May 2024	77	49	2	128
Jun 2024	105	35	1	141
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Apr 2022	23	17	1	41
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Jan 2023	37	19	4	60
Feb 2023	25	8	1	34
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Apr 2023	29	86	0	115
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Short summary

Dust emission initiates when surface wind velocities exceed a threshold depending on soil and surface characteristics and varying spatially and temporally. Climate models widely use wind erosion thresholds. The climatological monthly global distribution of the wind erosion threshold, V_threshold, is retrieved using satellite and reanalysis products and improves the simulation of dust frequency, magnitude, and the seasonal cycle in the Geophysical Fluid Dynamics Laboratory land–atmosphere model.


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