Articles | Volume 18, issue 8
Atmos. Chem. Phys., 18, 6039–6055, 2018
https://doi.org/10.5194/acp-18-6039-2018
Atmos. Chem. Phys., 18, 6039–6055, 2018
https://doi.org/10.5194/acp-18-6039-2018

Research article 02 May 2018

Research article | 02 May 2018

The importance of vertical resolution in the free troposphere for modeling intercontinental plumes

Jiawei Zhuang et al.

Model code and software

FV3_util: v0.1.2 J. Zhuang, D. J. Jacob, and S. D. Eastham https://doi.org/10.5281/zenodo.1214605

cubedsphere: v0.1 J. Zhuang and D. Rothenberg https://doi.org/10.5281/zenodo.1095677

Quickstart Guide: Idealized finite-volume model Geophysical Fluid Dynamics Laboratory (GFDL) https://www.gfdl.noaa.gov/cubed-sphere-quickstart/

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Short summary
Our work explains why current model simulations are unable to capture the intercontinental influences of pollution plumes that are often observed over some regions like California. Due to inadequate vertical grid resolution in these models, the plumes get diffused too rapidly during intercontinental transport. Increasing the vertical grid resolution greatly improves the simulation of plumes and considerably increases the estimate of local surface pollution influence.
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