Data for Figure 3.30 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).

Figure 3.30 shows observed and CMIP6 simulated AMOC mean state, variability and long-term trends.

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How to cite this dataset

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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:

Eyring, V., N.P. Gillett, K.M. Achuta Rao, R. Barimalala, M. Barreiro Parrillo, N. Bellouin, C. Cassou, P.J. Durack, Y. Kosaka, S. McGregor, S. Min, O. Morgenstern, and Y. Sun, 2021: Human Influence on 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. 423–552, doi:10.1017/9781009157896.005.

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Figure subpanels

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The figure has 6 subpanels with data provided for all panels in subdirectories named panel_a, panel_b, panel_c, panel_d, panel_e and panel_f.

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List of data provided

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This dataset contains: 

- AMOC streamfunction profiles from CMIP5 (1860-2004) and CMIP6 (1860-2014) historical simulations

- AMOC mean maximum overturning depth from CMIP5 (1860-2004) and CMIP6 (1860-2014) historical simulations

- AMOC mean maximum overturning depth from RAPID observational dataset (2004-2018)

- AMOC mean maximum overturning streamfunction from CMIP5 (1860-2004) and CMIP6 (1860-2014) historical simulations

- AMOC mean maximum overturning streamfunction from RAPID observational dataset (2004-2018)

- AMOC 8-year trends from CMIP5 and CMIP6 simulations and RAPID observations (2004-2012)

- Interannual AMOC changes from CMIP5 and CMIP6 simulations and RAPID observations (2008-2010)

- Longterm AMOC trends (1850-2014) from CMIP6 simulations

- Longterm AMOC trends (1940-1985) from CMIP6 simulations

- Longterm AMOC trends (1985-2014) from CMIP6 simulations

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Data provided in relation to figure

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- panel_a/amoc_mean_state_boxes.csv has the data for the grey observations lines and blue and red boxes with whiskers

- panel_a/amoc_profiles_shadings.csv has data for the blue and red profile shadings.

- panel_a/amoc_profile_cmip5.csv has data for the blue profile

- panel_a/amoc_profile_cmip6.csv has data for the red profile

- panel_b/amoc_trends_2004_2012.csv has data for boxes and whiskers and outlier dots

- panel_b/amoc_trends_cmip5_cmip6_additional_outliers.csv has data for additional outlier dots for CMIP5 and CMIP6

- panel_c/interannual_variability_AMOC.csv has data for boxes and whiskers and outlier dots

- panel_c/interannual_variability_AMOC_cmip5_cmip6_additional_outliers.csv has data for additional outlier dots for CMIP5 and CMIP6

- panel_d/amoc_longtern_trend_1850_2014.csv has data for grey, green, blue and orange boxes and whiskers

- panel_e/amoc_longtern_trend_1940_1985.csv has data for grey, green, blue and orange boxes and whiskers

- panel_f/amoc_longtern_trend_1985_2014.csv has data for grey, green, blue and orange boxes and whiskers

CMIP6 is the sixth phase of the Coupled Model Intercomparison Project.

AMOC is the Atlantic Meridional Overturning Circulation.

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Sources of additional information

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The following weblinks are provided in the Related Documents section of this catalogue record:

- Link to the report component containing the figure (Chapter 3)

- Link to the Supplementary Material for Chapter 3, which contains details on the input data used in Table 3.SM.1

- Link to the code for the figure, archived on Zenodo

- Link to the figure on the IPCC AR6 website