Code to produce Fig 6.15 in the IPCC WG1 6th assessment report

This is Python code to produce IPCC AR6 WGI Figure 6.15
Creator: Sara Blichner, University of Oslo (now Stockholm University)
Contact: sara.blichner@gmail.com or sara.blichner@aces.su.se
Last updated on: Feb 23, 2022

Code functionality:

To make figure, run:

python delta_T_CO2_plots_final.py

Plots are saved in the repository "plots/"

For documentation, see the notebook delta_T_CO2_plots_final.ipynb or documentation/delta_T_CO2_plots_final.pdf.

Input data:

Input data is in input_data/recommended_irf_from_2xCO2_2021_02_25_222758.csv which contains the coefficients for the recommended IRF used in AR6.

Output variables:

The code plots the figure as in the report.

Information on the software used

• Software Version: Python 3.7. See also requirements.txt
• Landing page to access the software: https://www.python.org/downloads/ or first download and install https://docs.conda.io/projects/conda/en/latest/user-guide/install/download.html and then in the base repository run:

conda env create -f environment.yml
conda activate ipcc_fig6_15

• Operating System: Linux ( Ubuntu 20.04)
• Environment required to compile and run: See requirements.txt or run

conda env create -f environment.yml
conda activate ipcc_fig6_15

in the base directory.

License:

Apache 2.0

How to cite:

When citing this code, please include both the code citation and the following citation for the related report component:

Figure 6.15 in IPCC, 2021: Chapter 6. In: Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Szopa, S., V. Naik, B. Adhikary, P. Artaxo, T. Berntsen, W.D. Collins, S. Fuzzi, L. Gallardo, A. Kiendler-Scharr, Z. Klimont, H. Liao, N. Unger, and P. Zanis, 2021: Short-Lived Climate Forcers. In Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, pp. 817–922, doi: 10.1017/9781009157896.008 .]