Evaluating Sentinel-5P TROPOMI tropospheric NO<sub>2</sub> column densities with airborne and Pandora spectrometers near New York City and Long Island Sound

Judd, Laura M.; Al-Saadi, Jassim A.; Szykman, James J.; Valin, Lukas C.; Janz, Scott J.; Kowalewski, Matthew G.; Eskes, Henk J.; Veefkind, J. Pepijn; Cede, Alexander; Mueller, Moritz; Gebetsberger, Manuel; Swap, Robert; Pierce, R. Bradley; Nowlan, Caroline R.; Abad, Gonzalo González; Nehrir, Amin; Williams, David

doi:10.5194/amt-13-6113-2020

Articles | Volume 13, issue 11

https://doi.org/10.5194/amt-13-6113-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

TROPOMI on Sentinel-5 Precursor: first year in operation (AMT/ACP...

https://doi.org/10.5194/amt-13-6113-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 11

Research article

|

17 Nov 2020

Research article |

| 17 Nov 2020

Evaluating Sentinel-5P TROPOMI tropospheric NO₂ column densities with airborne and Pandora spectrometers near New York City and Long Island Sound

Laura M. Judd, Jassim A. Al-Saadi, James J. Szykman, Lukas C. Valin, Scott J. Janz, Matthew G. Kowalewski, Henk J. Eskes, J. Pepijn Veefkind, Alexander Cede, Moritz Mueller, Manuel Gebetsberger, Robert Swap, R. Bradley Pierce, Caroline R. Nowlan, Gonzalo González Abad, Amin Nehrir, and David Williams

Supplement

https://doi.org/10.5194/amt-13-6113-2020-supplement

Data sets

Long Island Sound Tropospheric Ozone Study GeoTASO/GCAS NO2 Vertical Columns S. Janz, L. Judd, and M. Kowalewski https://www-air.larc.nasa.gov/missions/listos/index.html

TROPOMI NO2 Product RPRO v1.2 KNMI https://www-air.larc.nasa.gov/cgi-bin/ArcView/listos

Pandora Direct Sun Total NO2 Vertical Columns LuftBlick https://www.pandonia-global-network.org/

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Short summary

This paper evaluates Sentinel-5P TROPOMI v1.2 NO₂ tropospheric columns over New York City using data from airborne mapping spectrometers and a network of ground-based spectrometers (Pandora) collected in 2018. These evaluations consider impacts due to cloud parameters, a priori profile assumptions, and spatial and temporal variability. Overall, TROPOMI tropospheric NO₂ columns appear to have a low bias in this region.

Evaluating Sentinel-5P TROPOMI tropospheric NO2 column densities with airborne and Pandora spectrometers near New York City and Long Island Sound

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Data sets

Evaluating Sentinel-5P TROPOMI tropospheric NO₂ column densities with airborne and Pandora spectrometers near New York City and Long Island Sound