Effects of local meteorology and aerosols on ozone and nitrogen dioxide retrievals from OMI and pandora spectrometers in Maryland, USA during DISCOVER-AQ 2011

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dc.contributor.authorReed, Andra J.
dc.contributor.authorThompson, Anne M.
dc.contributor.authorKollonige, Debra E.
dc.contributor.authorMartins, Douglas K.
dc.contributor.authorTzortziou, Maria A.
dc.contributor.authorHerman, Jay
dc.contributor.authorBerkoff, Timothy A.
dc.contributor.authorAbuhassan, Nader K.
dc.contributor.authorCede, Alexander
dc.date.accessioned2023-04-28T16:19:15Z
dc.date.available2023-04-28T16:19:15Z
dc.date.issued2013-04-19
dc.description.abstractAn analysis is presented for both ground- and satellite-based retrievals of total column ozone and nitrogen dioxide levels from the Washington, D.C., and Baltimore, Maryland, metropolitan area during the NASA-sponsored July 2011 campaign of Deriving Information on Surface COnditions from Column and VERtically Resolved Observations Relevant to Air Quality (DISCOVER-AQ). Satellite retrievals of total column ozone and nitrogen dioxide from the Ozone Monitoring Instrument (OMI) on the Aura satellite are used, while Pandora spectrometers provide total column ozone and nitrogen dioxide amounts from the ground. We found that OMI and Pandora agree well (residuals within ±25 % for nitrogen dioxide, and ±4.5 % for ozone) for a majority of coincident observations during July 2011. Comparisons with surface nitrogen dioxide from a Teledyne API 200 EU NOx Analyzer showed nitrogen dioxide diurnal variability that was consistent with measurements by Pandora. However, the wide OMI field of view, clouds, and aerosols affected retrievals on certain days, resulting in differences between Pandora and OMI of up to ±65 % for total column nitrogen dioxide, and ±23 % for total column ozone. As expected, significant cloud cover (cloud fraction >0.2) was the most important parameter affecting comparisons of ozone retrievals; however, small, passing cumulus clouds that do not coincide with a high (>0.2) cloud fraction, or low aerosol layers which cause significant backscatter near the ground affected the comparisons of total column nitrogen dioxide retrievals. Our results will impact post-processing satellite retrieval algorithms and quality control procedures.en_US
dc.description.sponsorshipThis work was supported by a National Aeronautics and Space Administration (NASA) DISCOVER-AQ grant (NNX10AR39G), with additional support from NNX08AJ15G and NNX10AQ11A. The authors would like to thank the co-PIs of DISCOVER-AQ James Crawford (NASA-LARC) and Kenneth Pickering (NASA-GSFC), as well as the members of the Gator Research team (PSU) for their support and contributions.en_US
dc.description.urihttps://link.springer.com/article/10.1007/s10874-013-9254-9en_US
dc.format.extent28 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2k06s-bqkw
dc.identifier.citationReed, A.J., Thompson, A.M., Kollonige, D.E. et al. "Effects of local meteorology and aerosols on ozone and nitrogen dioxide retrievals from OMI and pandora spectrometers in Maryland, USA during DISCOVER-AQ 2011" J Atmos Chem 72, (September 2015): 455–482. https://doi.org/10.1007/s10874-013-9254-9.en_US
dc.identifier.urihttps://doi.org/10.1007/s10874-013-9254-9
dc.identifier.urihttp://hdl.handle.net/11603/27808
dc.language.isoen_USen_US
dc.publisherSpringer Natureen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.relation.ispartofUMBC GESTAR II
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.en_US
dc.rightsAttribution 4.0 International (CC BY 4.0)*
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/*
dc.titleEffects of local meteorology and aerosols on ozone and nitrogen dioxide retrievals from OMI and pandora spectrometers in Maryland, USA during DISCOVER-AQ 2011en_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-9146-1632en_US

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