DOI: 10.5285/0f05c2fb8f814d60ac2d657a70e9a7f5
title: Chapter 2 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for CCB 2.1, Figure 1 v20221114

description: Data for CCB 2.1, Figure 1 from Chapter 2 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6). CCB 2.1 Figure 1 shows global mean surface temperature over the past 60 million years plotted on three time scales and including projections. --------------------------------------------------- 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: Gulev, S.K., P.W. Thorne, J. Ahn, F.J. Dentener, C.M. Domingues, S. Gerland, D. Gong, D.S. Kaufman, H.C. Nnamchi, J. Quaas, J.A. Rivera, S. Sathyendranath, S.L. Smith, B. Trewin, K. von Schuckmann, and R.S. Vose, 2021: Changing State of the Climate System. 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. 287–422, doi:10.1017/9781009157896.004. Please also include citations of the related publications provided at the end of this abstract. --------------------------------------------------- List of data provided --------------------------------------------------- Global mean surface temperature adjusted to 1850-1900 reference period for: - 60 to 0.02 Ma ( from Westerhold et al. 2020: 10.1126/science.aba6853) - 60 to 0.02 Ma (from Hansen et al. 2013: 10.1098/rsta.2012.0294) - 1 to 0.02 Ma (from Snyder 2016: 10.1038/nature19798) - 20 to 12 ka (from Shakun et al. 2012: 10.1038/nature10915) - 12 ka to 1900 CE (from Kaufman et al. 2020: 10.1038/s41597-020-0530-7) - 1850-2020 CE (from Chapter 2, Figure 2.11c) - Projections - 2100 from Table 4.5, 2300 from Table 4.9 --------------------------------------------------- Data provided in relation to figure --------------------------------------------------- Data file: FinalData_CCB2_1_Fig1_DMS.csv contains time series data shown in CCB2.1 Figure 1 for each of the five previously published paleotemperature time series, adjusted to 1850-1900 reference period, plus 1850-2020 from Figure 2.11c. - Column A: time reference for Westerhold et al., 2020 - Column C: orange line - Column D: time reference for Hansen et al., 2013 - Column F: grey line - Column G: time reference for Snyder, 2016. - Column I: green line - Column J: time reference for Shakun et al., 2012 - Column L: black line - Column M: time reference for Kaufman et al., 2020 - Column O: violet line - Column P: time reference for AR6 assessed mean - Column R: red line Ma stands for million years before present ka represents thousands of years before present. --------------------------------------------------- Temporal Range of Paleoclimate Data --------------------------------------------------- This dataset covers a paleoclimate timespan from 60 million years ago to 2020. --------------------------------------------------- Notes on reproducing the figure from the provided data --------------------------------------------------- Published data were adjusted to 1850-1900 reference period using values specified in 'ReadMe'. --------------------------------------------------- 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 (Chapter 2) - Link to the Supplementary Material for Chapter 2, which contains details on the input data used in Table 2.SM.1 - Links to related publications listed below --------------------------------------------------- Related publications for figure datasets --------------------------------------------------- Please include the following citations of related publications. Relations to individual publications are outlined in the Readme file provided with this data. Links are provided in the Related Documents section of this catalogue record. Westerhold, T., et.al. An astronomically dated record of Earth’s climate and its predictability over the last 66 million years. SCIENCE, 11 Sep 2020, Vol 369, Issue 6509, pp. 1383-1387, DOI: 10.1126/science.aba6853 Hansen James, Sato Makiko, Russell Gary and Kharecha Pushker 2013 Climate sensitivity, sea level and atmospheric carbon dioxide Phil. Trans. R. Soc. A.3712012029420120294 http://doi.org/10.1098/rsta.2012.0294 Zachos, J., Dickens, G. & Zeebe, R. An early Cenozoic perspective on greenhouse warming and carbon-cycle dynamics. Nature 451, 279–283 (2008). https://doi.org/10.1038/nature06588 Shakun, J., Clark, P., He, F. et al. Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation. Nature 484, 49–54 (2012). https://doi.org/10.1038/nature10915 Kaufman, D., McKay, N., Routson, C. et al. Holocene global mean surface temperature, a multi-method reconstruction approach. Sci Data 7, 201 (2020). https://doi.org/10.1038/s41597-020-0530-7 PAGES 2k Consortium. Consistent multidecadal variability in global temperature reconstructions and simulations over the Common Era. Nat. Geosci. 12, 643–649 (2019). https://doi.org/10.1038/s41561-019-0400-0 Gillett, N.P.; Malinina, E.; Kaufman, D.; Neukom, R. (2021): Summary for Policymakers of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure SPM.1 (v20210809). NERC EDS Centre for Environmental Data Analysis, date of citation. doi:10.5285/76cad0b4f6f141ada1c44a4ce9e7d4bd. http://dx.doi.org/10.5285/0b2759059ad6474098e40dad73e0a8ec Trewin, Blair. (2022). Global temperature time series from IPCC AR6 [Data set]. Zenodo. https://doi.org/10.5281/zenodo.6321535 Zebedee Nicholls, Malte Meinshausen, & Jared Lewis. (2022). AR6 WG1 Plots and Processing (v1.0.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.6386979