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Dataset

 

Technical Summary of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Box TS.6, Figure 1 (v20220817)

Update Frequency: Not Planned
Latest Data Update: 2022-11-28
Status: Ongoing
Online Status: ONLINE
Publication State: Citable
Publication Date: 2023-06-06
DOI Publication Date: 2023-09-26
Download Stats: last 12 months
Dataset Size: 12 Files | 2MB

Abstract

Data for Box TS.6, Figure 1 from the Technical Summary of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).

Box TS.6, Figure 1 gives a geographical overview of the widespread changes in all components of the global water cycle using an intermediate emissions scenario (SSP2-4.5).

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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:
Arias, P.A., N. Bellouin, E. Coppola, R.G. Jones, G. Krinner, J. Marotzke, V. Naik, M.D. Palmer, G.-K. Plattner, J. Rogelj, M. Rojas, J. Sillmann, T. Storelvmo, P.W. Thorne, B. Trewin, K. Achuta Rao, B. Adhikary, R.P. Allan, K. Armour, G. Bala, R. Barimalala, S. Berger, J.G. Canadell, C. Cassou, A. Cherchi, W. Collins, W.D. Collins, S.L. Connors, S. Corti, F. Cruz, F.J. Dentener, C. Dereczynski, A. Di Luca, A. Diongue Niang, F.J. Doblas-Reyes, A. Dosio, H. Douville, F. Engelbrecht, V. Eyring, E. Fischer, P. Forster, B. Fox-Kemper, J.S. Fuglestvedt, J.C. Fyfe, N.P. Gillett, L. Goldfarb, I. Gorodetskaya, J.M. Gutierrez, R. Hamdi, E. Hawkins, H.T. Hewitt, P. Hope, A.S. Islam, C. Jones, D.S. Kaufman, R.E. Kopp, Y. Kosaka, J. Kossin, S. Krakovska, J.-Y. Lee, J. Li, T. Mauritsen, T.K. Maycock, M. Meinshausen, S.-K. Min, P.M.S. Monteiro, T. Ngo-Duc, F. Otto, I. Pinto, A. Pirani, K. Raghavan, R. Ranasinghe, A.C. Ruane, L. Ruiz, J.-B. Sallée, B.H. Samset, S. Sathyendranath, S.I. Seneviratne, A.A. Sörensson, S. Szopa, I. Takayabu, A.-M. Tréguier, B. van den Hurk, R. Vautard, K. von Schuckmann, S. Zaehle, X. Zhang, and K. Zickfeld, 2021: Technical Summary. 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. 33−144, doi:10.1017/9781009157896.002.

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Figure subpanels
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The figure has four panels. Each data file includes the panel letter immediately after the figure name.

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List of data provided
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This dataset contains long-term (2081–2100) projected annual mean changes (%) relative to present-day (1995–2014) in the SSP2-4.5 emissions scenario for:

- precipitation
- surface evapotranspiration
- total runoff
- surface soil moisture.

It also contains models agreement fraction on change sign.

All data combine time averages on observed period 1995-2014 and projection period 2081-2100.

The text file 'FigBoxTS-6-f1_md.txt' lists the metadata for the datasets, formatted as for the chapters data tables.

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Data provided in relation to figure
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There are 8 numeric files:
FigBoxTS-6-f1_a_pr_agreement-fraction-on-sign_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_a_pr_means-rchange_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_b_evspsbl_agreement-fraction-on-sign_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_b_evspsbl_means-rchange_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_c_mrro_agreement-fraction-on-sign_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_c_mrro_means-rchange_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_d_mrsos_agreement-fraction-on-sign_ssp245_ANN_1995-2014_2081-2100.nc
FigBoxTS-6-f1_d_mrsos_means-rchange_ssp245_ANN_1995-2014_2081-2100.nc

Using field separator '_', the second field is panel number, the third is the variable (pr = precipitation, evspsbl = evaporation, mrro = runoff, rsos = soil moisture), the fourth is the derived variable (either the relative change of ensemble means of the base variable, or fraction of models which agree on sign of change of the base variable). ANN stands for 'annual mean'

Two files are provided for each panel:
- the ensemble mean of the relative change of the corresponding variable, which shows in the figure using colours (*means*.nc)
- the fraction of models which agree on the sign of change, which shows in the figure using hatching, using the so called 'simple approach', described in AR6/WGI report Cross-Chapter Box Atlas.1 (*agreement*.nc)

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Notes on reproducing the figure from the provided data
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For reproducing the figures using a map drawing software, one needs to reproduce the color table shown in the figure and to hatch according to the so called 'simple approach', described in AR6/WGI report Cross-Chapter Box Atlas.1 (Link to the Atlas in the Related documents section of this catalogue record), and at https://interactive-atlas.ipcc.ch/regional-information/about#robustness. Basically : a hatching should show on regions where agreement is less than 80%

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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 (Technical Summary)
- Link to the Interactive Atlas.

Citable as:  Sénési, S. (2023): Technical Summary of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Box TS.6, Figure 1 (v20220817). NERC EDS Centre for Environmental Data Analysis, 26 September 2023. doi:10.5285/fb803584c01b404983ec83fd85453231. https://dx.doi.org/10.5285/fb803584c01b404983ec83fd85453231
Abbreviation: Not defined
Keywords: IPCC-DDC, IPCC, AR6, WG1, WGI, TS, Sixth Assessment Report, Working Group I, Physical Science Basis, Technical Summary, Figure Box TS6.1, hrydrology, precipitation, runoff, surface moisture, projections, scenarios, shared socioeconomic pathways, SSP

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
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(s):
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 curated on behalf of the IPCC Data Distribution Centre (IPCC-DDC).

Data Quality:
Data as provided by the IPCC
File Format:
Data are netCDF formatted

Process overview

This dataset was generated by the computation detailed below.
Title

Caption for Box TS.6, Figure 1 from the Technical Summary of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6)

Abstract

Projected water cycle changes. The intent of this figure is to give a geographical overview of changes in multiple components of the global water cycle using an intermediate emissions scenario. Important key message: without drastic reductions in greenhouse gas emissions, human-induced global warming will be associated with widespread changes in all components of the water cycle. Long-term (2081–2100) projected annual mean changes (%) relative to present-day (1995–2014) in the SSP2-4.5 emissions scenario for (a) precipitation, (b) surface evapotranspiration, (c) total runoff and (d) surface soil moisture. Numbers in top right of each panel indicate indicate the number of Coupled Model Intercomparison Project Phase 6 (CMIP6) models used for estimating the ensemble mean. For other scenarios, please refer to relevant figures in Chapter 8. Uncertainty is represented using the simple approach: No overlay indicates regions with high model agreement, where ≥80% of models agree on sign of change; diagonal lines indicate regions with low model agreement, where <80% of models agree on sign of change. For more information on the simple approach, please refer to the Cross-Chapter Box Atlas.1. {8.4.1; Figures 8.14, 8.17, 8.18, and 8.19}

Input Description

None

Output Description

None

Software Reference

None

  • units: m
  • var_id: depth
  • standard_name: depth
  • long_name: depth
  • var_id: depth_bnds
  • units: -
  • var_id: mrro_agreement_fraction_on_sign
  • units: %
  • var_id: mrro_means_rchange
  • units: %
  • var_id: mrsos_means_rchange

Co-ordinate Variables

  • units: degrees_north
  • standard_name: latitude
  • long_name: latitude
  • var_id: lat
  • units: degrees_east
  • standard_name: longitude
  • long_name: longitude
  • var_id: lon
Coverage
Temporal Range
Start time:
1985-01-01T12:00:00
End time:
2100-12-31T12:00:00
Geographic Extent

 
90.0000°
 
-180.0000°
 
180.0000°
 
-90.0000°