WRF-Chem simulation of aerosol seasonal variability in the San Joaquin Valley

Wu, Longtao; Su, Hui; Kalashnikova, Olga V.; Jiang, Jonathan H.; Zhao, Chun; Garay, Michael J.; Campbell, James R.; Yu, Nanpeng

doi:https://doi.org/10.5194/acp-17-7291-2017

Articles | Volume 17, issue 12

https://doi.org/10.5194/acp-17-7291-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-7291-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 12

Research article

|

17 Jun 2017

Research article |

| 17 Jun 2017

WRF-Chem simulation of aerosol seasonal variability in the San Joaquin Valley

Longtao Wu, Hui Su, Olga V. Kalashnikova, Jonathan H. Jiang, Chun Zhao, Michael J. Garay, James R. Campbell, and Nanpeng Yu

Supplement

https://doi.org/10.5194/acp-17-7291-2017-supplement

Data sets

AERONET observation AERONET (AErosol RObotic NETwork) https://aeronet.gsfc.nasa.gov/

AIRS/Aqua L3 Monthly Support Product (AIRS-only) 1 degree x 1 degree V006 AIRS Science Team/Joao Texeira https://doi.org/10.5067/AQUA/AIRS/DATA324

CALIPSO Data and Information ASDC https://eosweb.larc.nasa.gov/project/calipso/calipso_table

CIMIS data CIMIS http://wwwcimis.water.ca.gov/Default.aspx

CPC data NOAA/OAR/ESRL PSD https://www.esrl.noaa.gov/psd/data/gridded/data.unified.daily.conus.html

IMPROVE and EPA data FED http://views.cira.colostate.edu/fed/DataWizard/

MISR data JPL https://www-misr.jpl.nasa.gov/getData/accessData/

ERA-Interim data RDA https://rda.ucar.edu/\#!lfd?nb=y&b=proj&v=ECMWF Interim Reanalysis

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Short summary

The WRF-Chem simulation successfully captures aerosol variations in the cold season in the San Joaquin Valley (SJV) but has poor performance in the warm season. High-resolution model simulation can better resolve nonhomogeneous distribution of anthropogenic emissions in urban areas, resulting in better simulation of aerosols in the cold season in the SJV. Poor performance of the WRF-Chem model in the warm season in the SJV is mainly due to misrepresentation of dust emission and vertical mixing.