WRF-Chem simulates excessive dust in North Africa(dust_opt=3)

Pengwen Fu

New member
I am using WRF-Chem 3.8 dust_opt=3 or dust_opt=4 to simulate dust in North Africa for the month of January 2015, and I am able to achieve a total dust of 30,000ug/m3 by dividing the dust into five bins. I would like to know if I have to modify the emission factors etc. to match the real observation?
 
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