Articles | Volume 8, issue 10
https://doi.org/10.5194/amt-8-4055-2015
https://doi.org/10.5194/amt-8-4055-2015
Research article
 | 
05 Oct 2015
Research article |  | 05 Oct 2015

Development and characterisation of a state-of-the-art GOME-2 formaldehyde air-mass factor algorithm

W. Hewson, M. P. Barkley, G. Gonzalez Abad, H. Bösch, T. Kurosu, R. Spurr, and L. G. Tilstra

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Cited articles

Barkley, M. P., Palmer, P. I., Kuhn, U., Kesselmeier, J., Chance, K., Kurosu, T. P., Martin, R. V., Helmig, D., and Guenther, A.: Net ecosystem fluxes of isoprene over tropical South America inferred from GOME observations of HCHO columns, J. Geophys. Res., 113, D20304, https://doi.org/10.1029/2008JD009863, 2008.
Barkley, M. P., Palmer, P. I., Ganzeveld, L., Arneth, A., Hagberg, D., Karl, T., Guenther, A., Paulot, F., Wennberg, P. O., Mao, J., Kurosu, T. P., Chance, K., Müller, J.-F., Smedt, I. D., Roozendael, M. V., Chen, D., Wang, Y., and Yantosca, R. M.: Can a "state of the art" chemistry transport model simulate Amazonian tropospheric chemistry?, J. Geophys. Res., 116, D16302, https://doi.org/10.1029/2011JD015893, 2011.
Barkley, M. P., Kurosu, T. P., Chance, K., Smedt, I. D., Roozendael, M. V., Arneth, A., Hagberg, D., and Guenther, A.: Assessing sources of uncertainty in formaldehyde air-mass factors over tropical South America: implications for top-down isoprene emission estimates, J. Geophys. Res., 117, D13304, https://doi.org/10.1029/2011JD016827, 2012.
Barkley, M. P., Smedt, I. D., Van-Roozendael, M., Kurosu, T. P., Chance, K., Arneth, A., Hagberg, D., Guenther, A., Paulot, F., Marais, E., and Mao, J.: Top-down isoprene emissions over tropical South America inferred from SCIAMACHY and OMI formaldehyde columns, J. Geophys. Res.-Atmos., 118, 6849–6868, https://doi.org/10.1002/jgrd.50552, 2013.
Bhartia, P. K.: TOMS-V8 Total O3 Algorithm Theoretical Basis Document, OMI Algorithm Theoretical Basis Document, NASA Goddard Space Flight Center, Greenbelt, MD, USA, 2002.
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This work presents the air mass factor (AMF) algorithm in use at the University of Leicester, which introduces scene-specific variables into a per-observation full radiative transfer AMF calculation, including increasing spatial resolution of key environmental parameter databases, input variable area weighting, instrument-specific scattering weight calculation, and inclusion of an ozone vertical profile climatology.