DOI: 10.5285/38401030f262490094dc9c8931c851e4
title: Technical Summary of the Working Group I Contribution to the IPCC Sixth Assessment Report - Input data for Figure TS.24 (v20221111)

description: Input Data for Figure TS.24 from the Technical Summary of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6). Figure TS.24 shows projected change in the mean number of days per year with maximum temperature exceeding 35°C for CMIP5 (first column), CMIP6 (second column) and CORDEX (thirth column). --------------------------------------------------- How to cite this dataset --------------------------------------------------- When citing this dataset, please include both the data citation below (under 'Citable as') and the following citation for the report component from which the figure originates: Arias, P.A., N. Bellouin, E. Coppola, R.G. Jones, G. Krinner, J. Marotzke, V. Naik, M.D. Palmer, G.-K. Plattner, J. Rogelj, M. Rojas, J. Sillmann, T. Storelvmo, P.W. Thorne, B. Trewin, K. Achuta Rao, B. Adhikary, R.P. Allan, K. Armour, G. Bala, R. Barimalala, S. Berger, J.G. Canadell, C. Cassou, A. Cherchi, W. Collins, W.D. Collins, S.L. Connors, S. Corti, F. Cruz, F.J. Dentener, C. Dereczynski, A. Di Luca, A. Diongue Niang, F.J. Doblas-Reyes, A. Dosio, H. Douville, F. Engelbrecht, V. Eyring, E. Fischer, P. Forster, B. Fox-Kemper, J.S. Fuglestvedt, J.C. Fyfe, N.P. Gillett, L. Goldfarb, I. Gorodetskaya, J.M. Gutierrez, R. Hamdi, E. Hawkins, H.T. Hewitt, P. Hope, A.S. Islam, C. Jones, D.S. Kaufman, R.E. Kopp, Y. Kosaka, J. Kossin, S. Krakovska, J.-Y. Lee, J. Li, T. Mauritsen, T.K. Maycock, M. Meinshausen, S.-K. Min, P.M.S. Monteiro, T. Ngo-Duc, F. Otto, I. Pinto, A. Pirani, K. Raghavan, R. Ranasinghe, A.C. Ruane, L. Ruiz, J.-B. Sallée, B.H. Samset, S. Sathyendranath, S.I. Seneviratne, A.A. Sörensson, S. Szopa, I. Takayabu, A.-M. Tréguier, B. van den Hurk, R. Vautard, K. von Schuckmann, S. Zaehle, X. Zhang, and K. Zickfeld, 2021: Technical Summary. 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. 33−144, doi:10.1017/9781009157896.002. --------------------------------------------------- Figure subpanels --------------------------------------------------- The figure has 12 panels with input data provided for all panels. --------------------------------------------------- List of data provided --------------------------------------------------- This dataset contains projected global changes in the mean number of days per year with maximum temperature exceeding 35°C for the multimodel ensemble of CORDEX (third column in the figure), for the SSP5-8.5 and SSP1-2.6 scenarios and for the 2041-2060 and 2081-2100 future periods, relative to the historical 1995–2014 period. --------------------------------------------------- Data provided in relation to figure --------------------------------------------------- - Data file: (panel a) CMIP5_TX35_rcp26_2041-2060_rel.to-1995-2014.nc and CMIP5_TX35_rcp26_2041-2060_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP5 and the RCP2.6 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel b) CMIP5_TX35_rcp26_2081-2100_rel.to-1995-2014.nc and CMIP5_TX35_rcp26_2081-2100_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP5 and the RCP2.6 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. - Data file: (panel c) CMIP5_TX35_rcp85_2041-2060_rel.to-1995-2014.nc and CMIP5_TX35_rcp85_2041-2060_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP5 and the RCP8.5 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel d) CMIP5_TX35_rcp85_2081-2100_rel.to-1995-2014.nc and CMIP5_TX35_rcp85_2081-2100_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP5 and the RCP8.5 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. - Data file: (panel e) CMIP6_TX35_ssp126_2041-2060_rel.to-1995-2014.nc and CMIP6_TX35_ssp126_2041-2060_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP6 and the SSP1-2.6 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel f) CMIP6_TX35_ssp126_2081-2100_rel.to-1995-2014.nc and CMIP6_TX35_ssp126_2081-2100_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP6 and the SSP1-2.6 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. - Data file: (panel g) CMIP6_TX35_ssp585_2041-2060_rel.to-1995-2014.nc and CMIP6_TX35_ssp585_2041-2060_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP6 and the SSP5-8.5 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel h) CMIP6_TX35_ssp585_2081-2100_rel.to-1995-2014.nc and CMIP6_TX35_ssp585_2081-2100_rel.to-1995-2014_model_agreement.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by the CMIP6 and the SSP5-8.5 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. - Data file: (panel i) CORDEX_TX35_rcp26_2041-2060_rel.to-1995-2014.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by CORDEX and the RCP2.6 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel j) CORDEX_TX35_rcp26_2081-2100_rel.to-1995-2014.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by CORDEX and the RCP2.6 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. - Data file: (panel k) CORDEX_TX35_rcp85_2041-2060_rel.to-1995-2014.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by CORDEX and the RCP8.5 scenario for the future period 2041-2060 relative to the historical 1995-2014 period. - Data file: (panel l) CORDEX_TX35_rcp85_2081-2100_rel.to-1995-2014.nc; global changes in the mean number of days per year with maximum temperature exceeding 35°C as projected by CORDEX and the RCP8.5 scenario for the future period 2081-2100 relative to the historical 1995-2014 period. --------------------------------------------------- Notes on reproducing the figure from the provided data --------------------------------------------------- The Script to generate panels (a) to (h) is Figure_TS24_columns1-2.R The Script to generate panels (i) to (l) is Figure_TS24_column3.R Both scripts use R libraries from the climate4R framework (Iturbide et al. 2019). A link to the GitHub for installation and other information is provided in the Related Documents section of this catalogue record. Both scripts use material from the IPCC-WGI/Atlas GitHub repository (DOI:10.5281/zenodo.5171760). A link to the GitHub to clone the repository or download data is provided in the Related Documents section of this catalogue record. -------------------------------------------------- Acronyms ------------------------------------------------- CMIP5: is the fifth phase of the Coupled Model Intercomparison Project. CMIP6: is the sixth phase of the Coupled Model Intercomparison Project. CORDEX: Coordinated Regional Climate Downsclaing Experiment SSP5-8.5: is based on Shares Socioeconomic Pathway SSP5 where climate change mitigation challenges dominate and RCP8.5, a future pathway with a radiative forcing of 8.5 W/m2 in the year 2100. SSP1-2.6: is based on Shared Socioeconomic Pathway SSP1 with low climate change mitigation and adaptation challenges and RCP2.6, a future pathway with a radiative forcing of 2.6 W/m2 in the year 2100. --------------------------------------------------- Sources of additional information --------------------------------------------------- The following weblinks are provided in the Related Documents section of this catalogue record: - Link to the figure on the IPCC AR6 website - Link to the report component containing the figure (Technical Summary) - Link to the code for the figure, archived on Zenodo. - Link to the climate4R framework (Iturbide et al. 2019) GitHub R libraries used in the scripyts for this figure - Link to the IPCC-WGI/Atlas GitHub repository (DOI:10.5281/zenodo.5171760)