Articles | Volume 23, issue 12
https://doi.org/10.5194/acp-23-7161-2023
https://doi.org/10.5194/acp-23-7161-2023
Research article
 | 
28 Jun 2023
Research article |  | 28 Jun 2023

Ozone Monitoring Instrument (OMI) UV aerosol index data analysis over the Arctic region for future data assimilation and climate forcing applications

Blake T. Sorenson, Jianglong Zhang, Jeffrey S. Reid, Peng Xian, and Shawn L. Jaker

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Cited articles

Ahn, C., Kinney, E., and Torres, O.: OMI File Specification Document, https://docserver.gesdisc.eosdis.nasa.gov/repository/ (last access: 1 April 2023), 2011. 
Alfaro-Contreras, R., Zhang, J., Campbell, J. R., Holz, R. E., and Reid, J. S.: Evaluating the impact of aerosol particles above cloud on cloud optical depth retrievals from MODIS, J. Geophys. Res.-Atmos., 119, 5410–5423, https://doi.org/10.1002/2013JD021270, 2014. 
Alfaro-Contreras, R., Zhang, J., Campbell, J. R., and Reid, J. S.: Investigating the frequency and interannual variability in global above-cloud aerosol characteristics with CALIOP and OMI, Atmos. Chem. Phys., 16, 47–69, https://doi.org/10.5194/acp-16-47-2016, 2016. 
Blunden, J. and Arndt, D. S.: State of the Climate in 2018, Bull. Am. Meteorol. Soc., 100, Si-S306, https://doi.org/10.1175/2019BAMSStateoftheClimate.1, 2019. 
Colarco, P. R., Gassó, S., Ahn, C., Buchard, V., da Silva, A. M., and Torres, O.: Simulation of the Ozone Monitoring Instrument aerosol index using the NASA Goddard Earth Observing System aerosol reanalysis products, Atmos. Meas. Tech., 10, 4121–4134, https://doi.org/10.5194/amt-10-4121-2017, 2017. 
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Short summary
We quality-control Ozone Monitoring Instrument (OMI) aerosol index data by identifying row anomalies and removing systematic biases, using the data to quantify trends in UV-absorbing aerosols over the Arctic region. We found decreasing trends in UV-absorbing aerosols in spring months and increasing trends in summer months. For the first time, observational evidence of increasing trends in UV-absorbing aerosols over the North Pole is found using the OMI data, especially over the last half decade.
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