Boundary layer aerosol retrieval from thermal infrared nadir sounding - Preliminary results
Optical resolving power
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A non-empirical algorithm is presented to retrieve the optical depth in the 750-1250 cm -1 spectral range, of aerosol located in the boundary layer over the ocean, from nadir high-resolution radiance spectra in the thermal infrared. The algorithm is based on a line-by-line radiative transfer forward model and used the Optimal Estimation Method for the retrieval. Its performance strongly depends on the quality of the a priori temperature and H 2O atmospheric profiles. To demonstrate the relevance of the algorithm, distributions of maritime aerosol parameters have been retrieved from IMG/ADEOS data for December 1996, using the algorithm with the LBLRTM radiative transfer code, and ERA40 (ECMWF) a priori atmospheric profiles and surface conditions.
CitationKruglanski, M.; De Mazière, M.; Vandaele, A.C.; Hurtmans, D. (2006). Boundary layer aerosol retrieval from thermal infrared nadir sounding - Preliminary results. , Advances in Space Research, Vol. 37, Issue 12, 2160-2165, DOI: 10.1016/j.asr.2005.08.032.