Title: Radiative transfer code : applications to the estimation of the radiative impact of aerosols
Abstract: The radiative transfer code MOMO (Matrix Operator Model) has been extended from shortwave [200 – 4000 nm] to the full spectral range [0. 2 – 100 μm] in order to obtain a versatile radiative transfer code that can be used for different radiative transfer studies (e. G. Inversion of remote sensing measurements, optimization and calibration of measurement instruments and methods, estimation of radiative transfer fluxes, estimation of radiative forcings and heating rates), with different exigencies of precision and rapidity and over the full spectral range. The extension of MOMO required the development of additional numerical radiative transfer tools in spectroscopy and for large spectral band gas transmission (k-distribution). MOMO has been used for studies on aerosol radiative forcing by running radiative simulations by means of observations on a regional scale (measurement campaign and satellite observations). These studies demonstrate the importance of the synergy of in-situ measurements and lidar remote sensing for the characterization of aerosols. The results demonstrate the influence of aerosol type and aerosol and cloud vertical structure on aerosol radiative forcing. The measurements of satellite remote sensing (especially the lidar on board of the satellite CALIPSO and the A-Train constellation) have allowed a spatial extension of the radiative study and will allow the evaluation of the radiative impact of the aerosols on the regional climate.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: dissertation
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