Kdistribution
Kdistribution computes k-distribution data sets from high-resolution
spectra that have been produced by Kspectrum.
The user should specify some basic information to the code by editing
the options.in and data.in input files:
options.in: various quadratures can be selected; a Legendre quadrature is used by default. Then the quadrature order should be specified, and various quadrature-dependant parameters can be adjusted. One interesting option is the possibility to use quadratic splines over high-resolution spectra instead of a linear interpolation between two successive values of the absorption coefficient.data.in: lets the user specify the first and last levels of the high-resolution spectra set that should be converted to k-distribution data.
Before using the code, the user should create a link named
hires_spectra within the /data directory; this link should be
pointing to the directory that contains the high-resolution spectra
produced by Kspectrum for a given atmospheric profile, as well as the
composition.in file used by Kspectrum.
The data directory should also contain a file named narrowbands.in
used to describe the spectral intervals over which the k-distribution
data set should be computed.
This file has to use the same format as the narrowbands.in Kspectrum
input data file.
However, the narrowbands.in file used by Kdistribution does not
necessarily have to be identical to the file used by Kspectrum.
Quickstart
Prerequisites
All you need is a fortran compiler. The gfortran compiler is used for development, but compilation should also work with other fortran compilers (ifort, pgfortran, etc.).
Then you can try to compile Kdistribution: go to the main Kdistribution
directory, then use the make all command to compile.
The most common sources of failure can be fixed by editing the
Makefile file in order to check compilation options (and more
specifically options related to the target architecture and
optimisations).
Whenever you modify a source file, you can re-compile using the make all command.
But in the case you have to modify a include file, you will have to
erase all existing object files first using the make clean command,
before recompiling from scratch using the make all command again.
Installation
You will have to download both the .tgz file and the installation
script, and place both files in the same directory.
Then run the installation script.
This will mainly uncompress the archive.
Copyright notice
Copyright © 2014-2018 |Méso|Star>
(contact@meso-star.com)
Copyright © 2008-2014 Centre National de la Recherche Scientifique (CNRS)
Copyright © 2008-2014 Fondation Sciences et Technologies pour l'Aéronotique et l'Espace
Copyright © 2008-2014 Institut Mines-Télécom Albi-Carmaux
Copyright © 2008-2014 Université Bordeaux 1
Copyright © 2008-2014 Université Paul Sabatier
License
Kdistribution is free software released under the CeCILL v2.1 license. You are welcome to redistribute it under certain conditions; refer to the license for details.
