Submitted as: model description paper
01 Jul 2022
Submitted as: model description paper | 01 Jul 2022
Status: a revised version of this preprint is currently under review for the journal GMD.

SCIATRAN software package (V4.6): update and further development of aerosol, clouds, surface reflectance databases and models

Linlu Mei, Vladimir Rozanov, Alexei Rozanov, and John Burrows Linlu Mei et al.
  • Institute of Environmental Physics, University of Bremen, Germany

Abstract. Since the initiation of the development at the Institute of Environmental Physics (IUP), University of Bremen in 1994, the radiative transfer model SCIATRAN (formerly GOMETRAN) has been continuously improved and new versions have been released. In the course of development, the SCIATRAN software package became capable to simulate radiative transfer processes through an atmosphere-ocean system with a variety of approaches to treat the sphericity of the atmosphere (plane-parallel, pseudo-spherical, approximate spherical and full spherical solutions) in both scalar and vector modes. Supported by a variety of build-in databases and parameterizations, these capabilities made SCIATRAN widely used for various remote sensing applications related to the retrieval of atmospheric trace gases and characteristics of aerosols, clouds and surface. This paper presents an overview of the clouds, aerosol and surface (CAS) databases and models implemented in the SCIATRAN software package (V4.5) and provides some recommendations on their usage. The new implementations offer potential users flexible interface to perform radiative transfer simulations: 1) in the case of multi-layer liquid water, ice and mix-phase clouds; 2) employing typical aerosol type parameterizations (including vertical variability) used in satellite and model communities as well as updated databases; 3) including various surface BRDF and albedo models for land, vegetation, ocean, snow and melt ponds on sea ice. The most recent SCIATRAN version is freely available for students and scientists affiliated at academic facilities after a registration at the website of IUP, University of Bremen:

Linlu Mei et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gmd-2022-153', Anonymous Referee #1, 03 Aug 2022
    • AC1: 'Reply on RC1', Linlu Mei, 29 Nov 2022
  • RC2: 'Comment on gmd-2022-153', Anonymous Referee #2, 06 Aug 2022
    • AC2: 'Reply on RC2', Linlu Mei, 29 Nov 2022
  • CEC1: 'Comment on gmd-2022-153', Juan Antonio Añel, 23 Aug 2022
    • AC3: 'Reply on CEC1', Linlu Mei, 29 Nov 2022

Linlu Mei et al.

Linlu Mei et al.


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Short summary
This paper summarizes recent developments of aerosol, clouds and surface reflectance databases and models in the framework of the software package SCIATRAN. These updates and developments extend the capabilities of the radiative transfer modelling, especially by accounting for different kinds of vertical inhomogeneties. Vertically inhomogeneous clouds and different aerosol types can be easily accounted for within SCIATRAN (V4.5). The widely used surface models and databases are now available.