Dataset
Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.25 (v20220614)
Abstract
Data for Figure 3.25 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).
Figure 3.25 shows CMIP6 potential temperature and salinity biases for the global ocean, Atlantic, Pacific and Indian Oceans.
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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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There are panels (a), (b), (c), (d), (e), (f), (g), (h). The data is in respective subdirectories.
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List of data provided
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The dataset contains modelled and observational ocean data (1981-2010) for different ocean basins (global, Atlantic, Pacific, Indian):
- Potential temperature from WOA18 observations
- Salinity from WOA18 observations
- Potential temperature bias (CMIP6 - WOA18)
- Salinity bias (CMIP6 - WOA18)
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Data provided in relation to figure
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Panel a
- panel_a/potential_temperature_bias_global_panel_a.nc: data for colored filled contours showing temperature bias from 1981 to 2010
- panel_a/WOA_potential_temperature_global_panel_a.nc: data for black contours showing WOA18 temperature from 1981 to 2010
Panel b
- panel_b/salinity_bias_global_panel_b.nc: data for colored filled contours showing salinity bias from 1981 to 2010
- panel_b/WOA_salinity_global_panel_b.nc: data for black contours showing WOA18 salinity from 1981 to 2010
Panel c
- panel_c/potential_temperature_bias_atlantic_panel_c.nc: data for colored filled contours showing temperature bias from 1981 to 2010
- panel_c/WOA_potential_temperature_atlantic_panel_c.nc: data for black contours showing WOA18 temperature from 1981 to 2010
Panel d
- panel_d/salinity_bias_atlantic_panel_d.nc: data for colored filled contours showing salinity bias from 1981 to 2010
- panel_d/WOA_salinity_atlantic_panel_d.nc: data for black contours showing WOA18 salinity from 1981 to 2010
Panel e
- panel_e/potential_temperature_bias_pacific_panel_e.nc: data for colored filled contours showing temperature bias from 1981 to 2010
- panel_e/WOA_potential_temperature_pacific_panel_e.nc: data for black contours showing WOA18 temperature from 1981 to 2010
Panel f
- panel_f/salinity_bias_pacific_panel_f.nc: data for colored filled contours showing salinity bias from 1981 to 2010
- panel_f/WOA_salinity_pacific_panel_f.nc: data for black contours showing WOA18 salinity from 1981 to 2010
Panel g
- panel_g/potential_temperature_bias_indian_panel_g.nc: data for colored filled contours showing temperature bias from 1981 to 2010
- panel_g/WOA_potential_temperature_indian_panel_g.nc: data for black contours showing WOA18 temperature from 1981 to 2010
Panel h
- panel_h/salinity_bias_indian_panel_h.nc: data for colored filled contours showing salinity bias from 1981 to 2010
- panel_h/WOA_salinity_indian_panel_h.nc: data for black contours showing WOA18 salinity from 1981 to 2010
CMIP6 is the sixth phase of the Coupled Model Intercomparison Project.
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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.
Details
| Previous Info: |
No news update for this record
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| Previously used record identifiers: |
No related previous identifiers.
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| Access rules: |
Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: http://creativecommons.org/licenses/by/4.0/. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record. |
| Data lineage: |
Data produced by Intergovernmental Panel on Climate Change (IPCC) authors and supplied for archiving at the Centre for Environmental Data Analysis (CEDA) by the Technical Support Unit (TSU) for IPCC Working Group I (WGI). |
| Data Quality: |
Data as provided by the IPCC
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| File Format: |
Data are netCDF formatted
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Related Documents
Process overview
| Title | Caption for Figure 3.25 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6) |
| Abstract | CMIP6 potential temperature and salinity biases for the global ocean, Atlantic, Pacific and Indian Oceans. Shown in colour are the time-mean differences between the CMIP6 historical multi-model climatological mean and observations, zonally averaged for each basin (excluding marginal and regional seas). The observed climatological values are obtained from the World Ocean Atlas 2018 (WOA18, 1981-–2010; Prepared by the Ocean Climate Laboratory, National Oceanographic Data Center, Silver Spring, MD, USA), and are shown as labelled black contours for each of the basins. The simulated annual mean climatologies for 1981 to 2010 are calculated from available CMIP6 historical simulations, and the WOA18 climatology utilized synthesized observed data from 1981 to 2010. A total of 30 available CMIP6 models have contributed to the temperature panels (left column) and 28 models to the salinity panels (right column). Potential temperature units are °C and salinity units are the Practical Salinity Scale 1978 [PSS-78]. Further details on data sources and processing are available in the chapter data table (Table 3.SM.1). |
| Input Description | None |
| Output Description | None |
| Software Reference | None |
- standard_name: sea_water_potential_temperature
- units: celsius
- var_id: thetao
- long_name: Sea Water Potential Temperature
- standard_name: sea_water_potential_temperature
- units: celsius
- var_id: thetao_bias
- long_name: Sea Water Potential Temperature Bias
- standard_name: sea_water_salinity
- var_id: so
- long_name: Sea Water Salinity
- units: 1.
- standard_name: sea_water_salinity
- units: 1.
- var_id: so_bias
- long_name: Sea Water Salinity Bias
- standard_name: depth
- var_id: lev
- long_name: Vertical T levels
- units: meters
- var_id: lat_bnds
- var_id: lon_bnds
- var_id: shape_id
- long_name: shape_id
- var_id: time_climatology
Co-ordinate Variables
- units: degrees_north
- standard_name: latitude
- var_id: lat
- units: degrees_east
- standard_name: longitude
- var_id: lon
- long_name: time
- standard_name: time
- var_id: time
- units: days
Temporal Range
1981-01-01T12:00:00
2010-12-31T12:00:00
Geographic Extent
90.0000° |
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-180.0000° |
180.0000° |
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-90.0000° |