ATMI (Atmospheric Impact Simulation) is a project aiming to develop a generic pipeline for the simulation of the atmospheric impact on CMB ground-based experiments. In fact, CMB observations from the ground are strongly limited by the atmosphere: its presence results in both absorption and emission of new signal. Despite the effect of the absorption of the incoming signal is negligible, atmospheric emission constitutes a noise for CMB measurements. This project is divided into several sections, responsable of different tasks:
- Some routines to implement the atmospheric sampling according to the data.
- Reconstruction of the atmospheric model structure, based on the previous sampling.
- Calculations to determine the brightness temperature of the atmosphere, thanks to the am tool (Atmospheric Model - CfA Harvard) for the radiative transfer computation.
Usage of the atmi bash script:
atmi [-p PATH_TO_CONFIG] [-s PATH_TO_CONFIG] [-a PATH_TO_CONFIG] [-t PATH_TO_CONFIG] [-i PATH_TO_CONFIG] [-r PATH_TO_CONFIG] [-d PATH_TO_CONFIG] [-f METHOD] [-h]
List of all the possible commands:
| Command | Name | What it does? |
|---|---|---|
| atmi -p [PATH_TO_CONFIG] | Plot | Extract and plot the PDF for a given variable at a given hour of a given day of the month (see the documentation for more details). |
| atmi -s [PATH_TO_CONFIG] | Sampling | Sample an atmospheric realization for the given dates (see the documentation for more details). |
| atmi -a [PATH_TO_CONFIG] | Am | Generate the am configuration file for the given atmosphere realization and run am (see the documentation for more details). |
| atmi -t [PATH_TO_CONFIG] | Temperature | Generate the am configuration file for the given atmosphere samplings (from file) and run am (see the documentation for more details). |
| atmi -i [PATH_TO_CONFIG] | Instrument | Calculate the antenna temperature and do the frequency band integration (see the documentation for more details). |
| atmi -r [PATH_TO_CONFIG] | Run | Generate the am configuration file for the atmosphere realizations in the given data archive and run am (see the documentation for more details). |
| atmi -d [PATH_TO_CONFIG] | Date | Generate the am configuration file for the atmosphere realizations in the given data archive and run am for specific user-defined dates (see the documentation for more details). |
| atmi -f [METHOD] | Configuration | Display the configuration file format for the given method. |
| atmi -h | Help | Display the manual. |
In order to install am you can download it from here and follow the instructions on the manual.
Doxygen with auto deployment has been setup in this repository. The documentation for this repository is available at https://cintuluca.github.io/atmi/
Clone the repository:
git clone https://github.com/cintuluca/atmi
Move to the atmi directory:
cd atmi
Run the initialization script:
./init.sh
The atmi bash script can be moved anywhere but anytime the atmi directory is moved, you need to move into the directory and run again the initialization script ./init.sh.
matplotlib (>=3.6.3)
numpy (>=1.22.4)
pandas (>=1.5.2)
scipy (>=1.7.3)
termplotlib (>=0.3.9)
xarray (>=2022.11.0)
Luca Cintura luca.cintura@gmail.com
Atmospheric Impact Simulation (ATMI)
Copyright (c) 2024, Luca Cintura
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