Dataset
Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.17 (v20211208)
Abstract
Data for Figure 3.17 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).
Figure 3.17 shows observed and simulated global monsoon domain, intensity, and circulation.
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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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The figure has four panels, with data provided for all panels in a single file.
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List of data provided
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This dataset contains
- Observed and simulated global monsoon domain and summer minus winter precipitation and 850hPa wind velocity
- Global land monsoon precipitation index and Northern Hemisphere summer monsoon circulation index.
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Data provided in relation to figure
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All data are given in global_monsoon.nc file.
Panel a:
- uRef & vRef: vector
- prRef: shading
- domainRef: domain (1 = monsoon, 0 = not monsoon)
Panel b:
- uMME & vMME: vector
- prMME: shading
- domainMME: monsoon domain (1 = monsoon, 0 = not monsoon)
Panel c:
- Multimodel ensemble mean and 5th-95th percentiles of GMprecip_cmip6: red curve and shading
- Multimodel ensemble mean and 5th-95th percentiles of GMprecip_cmip5: blue curve and shading
- Multimodel ensemble mean and 5th-95th percentiles of GMprecip_amip: yellow curve and shading
- GMprecip_CMAP: black dotted curve
- GMprecip_CRU-TS: black solid curve
- GMprecip_GPCC: black dashed-dotted curve
- GMprecip_GPCP-SG: black dashed curve
Panel d:
- Multimodel ensemble mean and 5th-95th percentiles of NHMcirc_cmip6: red curve and shading
- Multimodel ensemble mean and 5th-95th percentiles of NHMcirc_cmip5: blue curve and shading
- Multimodel ensemble mean and 5th-95th percentiles of NHMcirc_amip: yellow curve and shading
- Max-min range of NHMcirc_20CRv3: grey hatching
- NHMcirc_ERA-20C: black dash-dotted curve
- NHMcirc_ERA5: black solid curve
- NHMcirc_JRA-55: dashed curve
- NHMcirc_MERRA2: dotted curve
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Notes on reproducing the figure from the provided data
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Multimodel ensemble means and percentiles are calculated after weighting individual members with the inverse of the ensemble size of the same model, which is given as the weight attribute of each variable.
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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 supporting information on the figure in Section and 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: |
netCDF
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Related Documents
Process overview
| Title | Caption for Figure 3.17 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6) |
| Abstract | Model evaluation of global monsoon domain, intensity, and circulation. (a, b) Climatological summer-winter range of precipitation rate, scaled by annual mean precipitation rate (shading) and 850 hPa wind velocity (arrows) based on (a) GPCP and ERA5 and (b) a multi-model ensemble mean of CMIP6 historical simulations for 1979–2014. Enclosed by red lines is the monsoon domain based on the definition by Wang and Ding (2008). (c, d) Five-year running mean anomalies of (c) global land monsoon precipitation index defined as the percentage anomaly of the summertime precipitation rate averaged over the monsoon regions over land, relative to its average for 1979–2014 (the period indicated by light grey shading) and (d) the tropical monsoon circulation index defined as the vertical shear of zonal winds between 850 and 200 hPa levels averaged over 0º–20ºN, from 120ºW eastward to 120ºE in NH summer (Wang et al., 2013; m s–1) in CMIP5 historical and RCP4.5 simulations, CMIP6 historical and AMIP simulations. Summer and winter are defined for individual hemispheres: May through September for NH summer and SH winter, and November through March for NH winter and SH summer. The number of models and ensembles are given in the legend. The multi-model ensemble mean and percentiles are calculated after weighting individual members with the inverse of the ensemble size of the same model, so that individual models are equally weighted irrespective of ensemble size. 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 |
- long_name: Climatological summer minus winter 850hPa meridional wind velocity
- units: m s^-1
- var_id: vRef
- names: Climatological summer minus winter 850hPa meridional wind velocity
- units: m s^-1
- long_name: Climatological summer minus winter 850hPa zonal wind velocity
- var_id: uRef
- names: Climatological summer minus winter 850hPa zonal wind velocity
- long_name: Monsoon domain (1 = monsoon, 0 = not monsoon)
- var_id: domainRef
- names: Monsoon domain (1 = monsoon, 0 = not monsoon)
- long_name: Monsoon precipitation index
- var_id: prRef
- names: Monsoon precipitation index
- units: m s^-1
- long_name: Northern Hemisphere summer monsoon circulation index
- var_id: NHMcirc_cmip6
- names: Northern Hemisphere summer monsoon circulation index
- units: %
- long_name: Percentage anomaly of global land summer monsoon precipitation relative
- var_id: GMprecip_cmip6
- names: Percentage anomaly of global land summer monsoon precipitation relative
- var_id: ensemble_20CRv3
- var_id: ensemble_amip
- var_id: ensemble_cmip5
- var_id: ensemble_cmip6
- long_name: year
- var_id: time_cmip6
- names: year
Co-ordinate Variables
- units: degrees_north
- standard_name: latitude
- var_id: lat
- names: latitude
- units: degrees_east
- standard_name: longitude
- var_id: lon
- names: longitude
Temporal Range
1870-01-01T12:00:00
2018-12-31T12:00:00
Geographic Extent
90.0000° |
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-180.0000° |
180.0000° |
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-90.0000° |