Data for Figure 2.17 from Chapter 2 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).

Figure 2.17 shows temporal evolution of the Hadley Cell extent and intensity since 1979 from a variety of reanalyses.

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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:
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.

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Figure subpanels
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The figure has two panels, with data provided for all panels.

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List of data provided
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The dataset contains the annual average of Northern Hemisphere and Southern Hemisphere latitude of the Hadley Cell edge, as well as the intensity of the Hadley Cell for each hemisphere

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Data provided in relation to figure
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Panel a:

- Data file: HCextent_2.csv, column 2 cyan line, upper panel
- Data file: HCextent_2.csv, column 3 orange line, upper panel
- Data file: HCextent_2.csv, column 4 grey line, upper panel
- Data file: HCextent_2.csv, column 5 black line, upper panel
- Data file: HCextent_2.csv, column 6 cyan line, lower panel
- Data file: HCextent_2.csv, column 7 orange line, lower panel
- Data file: HCextent_2.csv, column 8 grey line, lower panel
- Data file: HCextent_2.csv, column 9 black line, lower panel

Panel b:

- Data file: HCintensity_2.csv, column 2 cyan line, upper panel
- Data file: HCintensity_2.csv, column 3 orange line, upper panel
- Data file: HCintensity_2.csv, column 4 grey line, upper panel
- Data file: HCintensity_2.csv, column 5 black line, upper panel
- Data file: HCintensity_2.csv, column 6 cyan line, lower panel
- Data file: HCintensity_2.csv, column 7 orange line, lower panel
- Data file: HCintensity_2.csv, column 8 grey line, lower panel
- Data file: HCintensity_2.csv, column 9 black line, lower panel

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