Version: 1.0.0 | Published: 13 Mar 2024 | Updated: 443 days ago
Chapter 2 of the Working Group I Contribution to the IPCC Sixth Assessment Report - Input data for Figure 2.27 (v20211112)
Dataset
Summary
Citation:
Durack, P.J. , 2023, Chapter 2 of the Working Group I Contribution to the IPCC
Sixth Assessment Report - Input data for Figure 2.27 (v20211112), NERC EDS
Centre for Environmental Data
Analysis, https://dx.doi.org/10.5285/78ad6999f2d743d2a7db16757c27b549
Documentation
Description:
Input data for Figure 2.27 from Chapter 2 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).
Figure 2.27 presents the ocean salinity trends during historical period (1950-2019) for the near surface (global map, panel a) and zonal mean sub-surface (panel b), with regions of non-significant changes masked by 'x' marks.
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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.
Citable as: Durack, P.J. (2023): Chapter 2 of the Working Group I Contribution to the IPCC Sixth Assessment Report - Input data for Figure 2.27 (v20211112). NERC EDS Centre for Environmental Data Analysis, 04 July 2023. doi:10.5285/78ad6999f2d743d2a7db16757c27b549. https://dx.doi.org/10.5285/78ad6999f2d743d2a7db16757c27b549
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Figure subpanels
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The figure has two panels, with data provided for all panels (DurackandWijffels_GlobalOceanChanges_19500101-20191231__210122-205355_beta.nc) and processed via the MATLAB script (Figure_2_27.m) linked in the Related Documens section.
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List of data provided
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This dataset contains the global ocean salinity estimates from Durack & Wijffels (2010) based on observations from 01-01-1950 to 12-31-2019:
- Mean salinity (for the Jan/1950 to Dec/2019 period, units in PSS).
- Salinity change (for the same period, PSS/70-years).
- Salinity change error (same period, PSS/70-years).
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Data provided in relation to figure
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The processing of the salinity estimates from Durack & Wejffels (2010), is done in the MATLAB script (Figure_2_27.m).
Panel a:
- Ocean surface salinity change (1950-2019) and time mean (for isohalines).
Panel b:
- Zonal mean ocean subsurface salinity (0-2000m) change (1950-2019) and time mean (for isohalines).
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Notes on reproducing the figure from the provided data.
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The salinity change from the dataset has unit PSS/70-years. Units for salinity change and salinity change error have been converted to PSS/decade.
Salinity change error from the dataset must be multiplied by 1.09 (to account for the resolved error when a bootstrap resampling was undertaken) x 1.64485 (i.e., z-value for 90% confidence interval) in order to get the uncertainty for the stippling.
The stippling in both panels is done for regions (either surface salinity, panel a, or zonal mean salinity, panel b) where the salinity uncertainties are larger than the salinity trend.
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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 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.
Is Part Of:
IPCC (AR6) Chapter 2: Changing state of the climate system
Coverage
Start Date:
01 January 1950
End Date:
31 December 2019
Geographic Bounding Box
Lower Left Latitude:
-90
Lower Left Longitude:
-180
Upper Right Latitude:
90
Upper Right Longitude:
180
Provenance
Source:
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 curated on
behalf of the IPCC Data Distribution Centre (IPCC-DDC).
Accessibility
Access
Access Service:
This data is publicly avaliable for download. When using these data you must
cite them correctly using the citation given on the Data Catalogue record.
Format:
- txt
- netCDF
Language:
en
Usage
Resource Creator:
Durack, P.J.
Origin
Name:
IPCC Data Catalogue