Articles | Volume 8, issue 11
https://doi.org/10.5194/amt-8-4917-2015
https://doi.org/10.5194/amt-8-4917-2015
Research article
 | 
23 Nov 2015
Research article |  | 23 Nov 2015

Sensitivity of remotely sensed trace gas concentrations to polarisation

D. M. O'Brien, I. N. Polonsky, and J. B. Kumer

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Cited articles

Deeter, M. N., Emmons, L. K., Francis, G. L., Edwards, D. P., Gille, J. C., Warner, J. X., Khattatov, B., Ziskin, D., Lamarque, J.-F., Ho, S.-P., Yudin, V., Attié, J.-L., Packman, D., Chen, J., Mao, D., and Drummond, J. R.: Operational carbon monoxide retrieval algorithm and selected results for the MOPITT instrument, J. Geophys. Res., 108, 4399, https://doi.org/10.1029/2002JD003186, 2003.
Deeter, M. N., Edwards, D. P., and Gille, J. C.: Retrievals of carbon monoxide profiles from MOPITT observations using lognormal a priori statistics, J. Geophys. Res., 112, 11311, https://doi.org/10.1029/2006JD007999, 2007a.
Deeter, M. N., Edwards, D. P., Gille, J. C., and Drummond, J. R.: Sensitivity of MOPITT observations to carbon monoxide in the lower troposphere, J. Geophys. Res., 112, 24306, https://doi.org/10.1029/2007JD008929, 2007b.
Heidinger, A. K., O'Dell, C., Bennartz, R., and Greenwald, T.: The successive-order-of-interaction radiative transfer model: Part I: Model development, J. Appl. Meteorol. Clim., 45, 1388–1402, https://doi.org/10.1175/JAM2387.1, 2006.
Kawa, S. R., Erickson, D. J., Pawson, S., and Zhu, Z.: Global CO2 transport simulations using meteorological data from the NASA data assimilation system, J. Geophys. Res., 109, 18312, https://doi.org/10.1029/2004JD004554, 2004.
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Short summary
We investigate the sensitivity to polarisation of geoCARB, a proposed geostationary mission to measure column-averaged concentrations of CO2, CH4 and CO from spectra of reflected sunlight, through analysis of an ensemble of simulated polarised spectra for targets in India, China and Australia. Although geoCARB will not carry polarisers or polarisation scramblers, we show that the effects of polarisation can be minimised provided the polarisation signature of geoCARB is calibrated before flight.