Observation Instance

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    "title": "Chapter 9 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 9.6 (v20220721)",
    "abstract": "Data for Figure 9.6 from Chapter 9 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).\r\n\r\nFigure 9.6 shows ocean heat content (OHC) and its changes with time. \r\n\r\n---------------------------------------------------\r\n How to cite this dataset\r\n ---------------------------------------------------\r\n 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:\r\nFox-Kemper, B., H.T. Hewitt, C. Xiao, G. Aðalgeirsdóttir, S.S. Drijfhout, T.L. Edwards, N.R. Golledge, M. Hemer, R.E. Kopp, G. Krinner, A. Mix, D. Notz, S. Nowicki, I.S. Nurhati, L. Ruiz, J.-B. Sallée, A.B.A. Slangen, and Y. Yu, 2021: Ocean, Cryosphere and Sea Level Change. 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. 1211–1362, doi:10.1017/9781009157896.011.\r\n\r\n---------------------------------------------------\r\n Figure subpanels\r\n ---------------------------------------------------\r\nThe figure has 8 panels labelled (a)-(g), with data provided for all panels using this lettering system in the GitHub repository linked in the documentation.\r\n\r\n---------------------------------------------------\r\n List of data provided\r\n ---------------------------------------------------\r\n This dataset contains:\r\n\r\n-  (a) Time series of global OHC anomaly relative to a 2005–2014 climatology in the upper 2000 m of the ocean, combining observations (Ishii et al., 2017; Baggenstos et al., 2019; Shackleton et al., 2020), model-observation hybrids (Cheng et al., 2019; Zanna et al., 2019), and multi-model means from CMIP6, historical (29 models) and SSP scenarios. \r\n\r\n- Maps of OHC from CMIP6 ensemble bias and observed (Ishii et al., 2017) trends of OHC for 0–700 m for the period 1971–2014 (b, c)\r\n\r\n-  Maps of OHC from CMIP6 ensemble bias and observed (Ishii et al., 2017) trends of OHC for 0–2000 m for the period 2005–2017 (e, f). \r\n\r\n- Projected rate of change 2015–2100 for (d) SSP5-8.5 and (g) SSP1-2.6 scenarios from CMIP6 ensemble means. \r\n\r\n- Projected change in 0–700 m OHC for (d) SSP1-2.6 and (g) SSP5-8.5 in the CMIP6 ensembles, for the period 2091–2100 versus 2005–2014.\r\n\r\nLabel subscripts in (a) indicate number of models per SSP. \r\nNo overlay indicates regions with high model agreement, where ≥80% of models agree on the sign of change. Diagonal lines indicate regions with low model agreement, where <80% of models agree on the sign of change (see Cross-Chapter Box Atlas.1 for more information). \r\n\r\nFurther details on data sources and processing are available in the chapter data table (Table 9.SM.9)\r\n\r\n---------------------------------------------------\r\n Data provided in relation to figure\r\n ---------------------------------------------------\r\n Data provided in relation to Figure 9.6\r\n \r\n - Data file: Fig9-6a_data_CMIPlikelybounds.nc:\r\n - Data file: Fig9-6a_data_CMIPmean.nc:\r\n - Data file: Fig9-6a_data_HybridChengmean.nc:\r\n - Data file: Fig9-6a_data_HybridZannamean.nc:\r\n - Data file: Fig9-6a_data_Observedlikelybounds.nc:\r\n - Data file: Fig9-6a_data_Observedmean.nc:\r\n - Data file: Fig9-6a_data_paleo.nc:\r\n - Data file: Fig9-6a_data_ssp126likelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp126mean.nc:\r\n - Data file: Fig9-6a_data_ssp126verylikelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp245likelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp245mean.nc:\r\n - Data file: Fig9-6a_data_ssp245verylikelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp370likelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp370mean.nc: \r\n - Data file: Fig9-6a_data_ssp370verylikelybounds.nc: \r\n - Data file: Fig9-6a_data_ssp585likelybounds.nc:\r\n - Data file: Fig9-6a_data_ssp585mean.nc:\r\n - Data file: Fig9-6a_data_ssp585verylikelybounds.nc:\r\n - Data file: Fig9-6b_data.nc:\r\n - Data file: Fig9-6c_data.nc:\r\n - Data file: Fig9-6d_data.nc:\r\n - Data file: Fig9-6e_data.nc:\r\n - Data file: Fig9-6f_data.nc:\r\n - Data file: Fig9-6g_data.nc:\r\n\r\nOHC stands for Ocean Heat Content.\r\nCMIP6 is the sixth phase of the Coupled Model Intercomparison Project. \r\nSSP stands for Shared Socioeconomic Pathway.\r\nSSP585 is the Shared Socioeconomic Pathway which represents the upper boundary of radiative forcing and development scenarios, consistent with RCP8.5.\r\nSSP126 is the Shared Socioeconomic Pathway which represents the lower boundary of radiative forcing and development scenarios, consistent with RCP2.6.\r\n\r\n ---------------------------------------------------\r\n Notes on reproducing the figure from the provided data\r\n ---------------------------------------------------\r\n OHC maps and OHC timeseries were plotted using standard matplotlib software - code is available via the link in the documentation.\r\n\r\nThe plotting code is designed to use pre-processed CMIP data, rather than the provided netcdf files. To reproduce these figures form the metadata please modify the example code given here: https://github.com/BrodiePearson/IPCC_AR6_Chapter9_Figures/blob/main/Plotting_code_and_data/Fig9_03_SST/Plot_Figure/Example_plotting_from_metadata.m\r\n\r\n ---------------------------------------------------\r\n Sources of additional information\r\n ---------------------------------------------------\r\n The following weblinks are provided in the Related Documents section of this catalogue record:\r\n - Link to the figure on the IPCC AR6 website\r\n - Link to the report component containing the figure (Chapter 9)\r\n - Link to the Supplementary Material for Chapter 9, which contains details on the input data used in Table 9.SM.9\r\n - Link to the data and code used to produce this figure and others in Chapter 9, archived on Zenodo.\r\n - Link to the output data for this figure, contained in a dedicated GitHub repository.",
    "keywords": "IPCC-DDC, IPCC, AR6, WG1, WGI, Sixth Assessment Report, Working Group 1, Physical Science Basis, Ocean Heat Content, OHC",
    "publicationState": "citable",
    "dataPublishedTime": "2023-02-03T09:32:57",
    "doiPublishedTime": "2023-05-15T16:30:58.064660",
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