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====Towards a Generic Radiative Transfer Model for the Earth's Surface Atmosphere System=== ====Towards a Generic Radiative Transfer Model for the Earth's Surface Atmosphere System===
-The aim of the study is to develop a flexible radiative transfer  +The aim of the study is to develop a flexible radiative transfer 
-toolbox for the Earth atmosphere-surface system in the  +toolbox for the Earth atmosphere-surface system in the 
-solar and thermal spectral ranges. In particular, the model +solar and thermal spectral ranges. In particular, the model
will include horizontal inhomogeneity, polarization, will include horizontal inhomogeneity, polarization,
inelastic scattering, spherical geometry. inelastic scattering, spherical geometry.
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knowledge about solar and terrestrial radiation and their interaction knowledge about solar and terrestrial radiation and their interaction
with clouds, aerosol particles, and trace gases is therefore required with clouds, aerosol particles, and trace gases is therefore required
-for all fields of atmospheric science. +for all fields of atmospheric science.
Remote sensing of atmospheric and surface components uses radiation, Remote sensing of atmospheric and surface components uses radiation,
-either from the sun, the atmosphere or an artificial source which  +either from the sun, the atmosphere or an artificial source which 
-is modified along its path through the atmosphere. Radiative transfer  +is modified along its path through the atmosphere. Radiative transfer 
-modelling plays a key role for remote sensing because it is needed to  +modelling plays a key role for remote sensing because it is needed to 
-design remote sensing instruments and to develop and test inversion  +design remote sensing instruments and to develop and test inversion 
-algorithms. In the scientfic community a number of often highly  +algorithms. In the scientfic community a number of often highly 
-specialized atmospheric radiative transfer (RT) models has been  +specialized atmospheric radiative transfer (RT) models has been 
-developed each of which emanates from a different set of original  +developed each of which emanates from a different set of original 
-requirements. During the development of RT models a trade off has to  +requirements. During the development of RT models a trade off has to 
-be made between the computational speed and the accuracy of the model  +be made between the computational speed and the accuracy of the model 
-leading to a long list of model simplifications. Currently there is no  +leading to a long list of model simplifications. Currently there is no 
-user friendly well documented model which includes all features  +user friendly well documented model which includes all features 
-required for current remote sensing applications. +required for current remote sensing applications.
The radiative transfer toolbox to be developed in this study, The radiative transfer toolbox to be developed in this study,
-hereafter referred to as ESAS-Light toolbox, should include the most+hereafter referred to as libRadtran toolbox, should include the most
commonly used forward modeling RT tools from the ultraviolet (UV) to commonly used forward modeling RT tools from the ultraviolet (UV) to
-the thermal infrared (TIR) spectral domain for the Earth  +the thermal infrared (TIR) spectral domain for the Earth 
-atmosphere-surface system. At completion, an ESAS-Light demonstration  +atmosphere-surface system. At completion, a libRadtran toolbox demonstration 
-version shall be delivered. This toolbox shall  +version shall be delivered. This toolbox shall 
--strengthen ESA  +-strengthen ESA 
-modeling capability for internal purposes (instrument and prototyping  +modeling capability for internal purposes (instrument and prototyping 
-of inversion algorithms) and  +of inversion algorithms) and 
--provide a set of standard radiative  +-provide a set of standard radiative 
-transfer tools for the development of ESA commissioned inversion schemes +transfer tools for the development of ESA commissioned inversion schemes
and calibration/validation activities. and calibration/validation activities.
-The long term objective of the study is to give  +The long term objective of the study is to give 
-actors in the field of remote sensing of planetary environments  +actors in the field of remote sensing of planetary environments 
-full access to a user friendly, open source, well documented and +full access to a user friendly, open source, well documented and
free of charge radiative transfer toolbox. free of charge radiative transfer toolbox.
 +
 
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