Dataset
Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.21 (v20220613)
Abstract
Data for Figure 3.21 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6).
Figure 3.21 shows the seasonal evolution of observed and simulated Arctic and Antarctic sea ice area (SIA) over 1979-2017.
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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 several subplots, but they are unidentified, so the data is stored in the parent directory.
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List of data provided
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This dataset contains Sea Ice Area anomalies over 1979-2017 relative to the 1979-2000 means from:
- Observations (OSISAF, NASA Team, and Bootstrap)
- Historical simulations from CMIP5 and CMIP6 multi-model means
- Natural only simulations from CMIP5 and CMIP6 multi-model means
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Data provided in relation to figure
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- *_arctic_* files are used for the plots on the left side of the figure
- *_antarctic_* files are used for the plots on the right side of the figure
- *_OBS_NASATeam* files are used for the first row of the plot
- *_OBS_Bootstrap* are used for the second row of the plot
- *_OBS_OSISAF* are used for the third row of the plot
- *_ALL_CMIP5* are used in the fourth row of the plot
- *_ALL_CMIP6* are used in the fifth row of the plot
- *_NAT_CMIP5* are used in the sixth row of the plot
- *_NAT_CMIP6* are used in the seventh row of the plot
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Notes on reproducing the figure from the provided data
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The significance are for the grey dots, it's nan or 1 values. The data has to be overplotted to colored squares. Grey dots indicate multi-model mean anomalies stronger than inter-model spread (beyond ± 1 standard deviation).
The coordinates of the data are indices, but in global attributes 'comments' of each file there are relations of indices to months, since months are the y coordinate.
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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(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 Quality: |
Data as provided by the IPCC
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| File Format: |
Data are netCDF formatted
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Related Documents
Citations: 27
The following citations have been automatically harvested from external sources associated with this resource where DOI tracking is possible. As such some citations may be missing from this list whilst others may not be accurate. Please contact the helpdesk to raise any issues to help refine these citation trackings.
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.13 (v20211001). https://doi.org/10.5285/BA3AC68281B94C7B9963278681EE8EE5 https://doi.org/10.5285/ba3ac68281b94c7b9963278681ee8ee5 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.15 (v20211001). https://doi.org/10.5285/A6B79B1ABAC64D72A1A3F2FCF62EE81E https://doi.org/10.5285/a6b79b1abac64d72a1a3f2fcf62ee81e |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.19 (v20211001). https://doi.org/10.5285/7493E7DD46854227BEB4F891A80A1016 https://doi.org/10.5285/7493e7dd46854227beb4f891a80a1016 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.23 (v20211001). https://doi.org/10.5285/44ADFC4F92834BD9950341DD24D6D2E0 https://doi.org/10.5285/44adfc4f92834bd9950341dd24d6d2e0 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.3 (v20211001). https://doi.org/10.5285/03CC44F98B0E4A4B97DF37662E62BE79 https://doi.org/10.5285/03cc44f98b0e4a4b97df37662e62be79 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.42 (v20211001). https://doi.org/10.5285/E3D21F98CC764D1185B0D6E662532831 https://doi.org/10.5285/e3d21f98cc764d1185b0d6e662532831 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.43 (v20211001). https://doi.org/10.5285/80C10F8AEB7049778C5A15EDE4917128 https://doi.org/10.5285/80c10f8aeb7049778c5a15ede4917128 |
| Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.5 (v20211001). https://doi.org/10.5285/B6CA8B2D797348DD86823CFC2DA7BA83 https://doi.org/10.5285/b6ca8b2d797348dd86823cfc2da7ba83 |
| Bock, L. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for FAQ 3.3, Figure 1 (v20220615). https://doi.org/10.5285/AFE80EB32A1C4164A3B84396C6D7A5D6 https://doi.org/10.5285/afe80eb32a1c4164a3b84396c6d7a5d6 |
| Brierley, C. & Zhao, A. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.11 (v20220620). https://doi.org/10.5285/F38913D950694E3E8F0A19D0DC7F378E https://doi.org/10.5285/f38913d950694e3e8f0a19d0dc7f378e |
| Cassou, C. & Bock, L. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.38 (v20220614). https://doi.org/10.5285/758419765D0F4926AA70002EC6C856B0 https://doi.org/10.5285/758419765d0f4926aa70002ec6c856b0 |
| De Mora, L. & Malinina, E. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.27 (v20220616). https://doi.org/10.5285/CEAE289F1A56414EA708F43DB83FC2C6 https://doi.org/10.5285/ceae289f1a56414ea708f43db83fc2c6 |
| Durack, P. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - Input data for Figure 3.28 (v20220621). https://doi.org/10.5285/F7C3F3CBF65447B9A43207DCC30219D9 https://doi.org/10.5285/f7c3f3cbf65447b9a43207dcc30219d9 |
| Durack, P.J. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - Input data for Figure 3.27 (v20220621). https://doi.org/10.5285/38BAC9051D064D4DA183FFF2361F5DE8 https://doi.org/10.5285/38bac9051d064d4da183fff2361f5de8 |
| Gillett, N. & Malinina, E. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.7 (v20220613). https://doi.org/10.5285/392C8351349B4436923C102C558873D9 https://doi.org/10.5285/392c8351349b4436923c102c558873d9 |
| Gillett, N. & Malinina, E. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.8 (v20220613). https://doi.org/10.5285/BF3D0B8A8C0D4AE19CFD994B6FEF4A5C https://doi.org/10.5285/bf3d0b8a8c0d4ae19cfd994b6fef4a5c |
| Kageyama, M. & Malinina, E. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.44 (v20220615). https://doi.org/10.5285/D35AC1955C264DEEA9699D08DBC568F2 https://doi.org/10.5285/d35ac1955c264deea9699d08dbc568f2 |
| Kazeroni, R. & Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.18 (v20211001). https://doi.org/10.5285/84FD20B6E5A04271A007E2150EB17C7E https://doi.org/10.5285/84fd20b6e5a04271a007e2150eb17c7e |
| Kazeroni, R., Schurer, A. & Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.14 (v20211001). https://doi.org/10.5285/8C9C35E4C877440ABCAA10B9AA173C33 https://doi.org/10.5285/8c9c35e4c877440abcaa10b9aa173c33 |
| Kosaka, Y. & Kazeroni, R. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.17 (v20211208). https://doi.org/10.5285/71C2E401DF5E4798B917AE4A353DAFF1 https://doi.org/10.5285/71c2e401df5e4798b917ae4a353daff1 |
| Kosaka, Y., Morgenstern, O., Cassou, C. & Kazeroni, R. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.35 (v20220614). https://doi.org/10.5285/EF5CA18BCAF441D9993F181A058016BA https://doi.org/10.5285/ef5ca18bcaf441d9993f181a058016ba |
| Lo, E. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.10 (v20211001). https://doi.org/10.5285/CF006675070548359E22E36D354D0F92 https://doi.org/10.5285/cf006675070548359e22e36d354d0f92 |
| Malinina, E. & De Mora, L. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.24 (v20220614). https://doi.org/10.5285/A71383AF93AF4F58AE27D66BA15B3543 https://doi.org/10.5285/a71383af93af4f58ae27d66ba15b3543 |
| Malinina, E., Min, S.-K. & Kim, Y.-H. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.20 (v20220613). https://doi.org/10.5285/BECDAA43CF884C299435DC319E758F4E https://doi.org/10.5285/becdaa43cf884c299435dc319e758f4e |
| Phillips, A., Kosaka, Y., Cassou, C. & Bock, L. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.34 (v20220104). https://doi.org/10.5285/678EE967FE114A34A6D1F7D50E4AA7EE https://doi.org/10.5285/678ee967fe114a34a6d1f7d50e4aa7ee |
| Phillips, A., Kosaka, Y., Cassou, C. & Kazeroni, R. (2022) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.33 (v20211209). https://doi.org/10.5285/4FE1AFACDC524C118989C16A1BCCD51E https://doi.org/10.5285/4fe1afacdc524c118989c16a1bccd51e |
| Weigel, K., Santer, B.D., Kazeroni, R. & Bock, L. (2021) Chapter 3 of the Working Group I Contribution to the IPCC Sixth Assessment Report - data for Figure 3.12 (v20211001). https://doi.org/10.5285/7273023A04D24DA58EC5D83343CD861D https://doi.org/10.5285/7273023a04d24da58ec5d83343cd861d |
Process overview
| Title | Caption for Figure 3.21 from Chapter 3 of the Working Group I (WGI) Contribution to the Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report (AR6) |
| Abstract | Seasonal evolution of observed and simulated Arctic (left) and Antarctic (right) sea ice area (SIA) over 1979–2017. SIA anomalies relative to the 1979–2000 means from observations (OBS from OSISAF, NASA Team, and Bootstrap, top) and historical (ALL, middle) and natural only (NAT, bottom) simulations from CMIP5 and CMIP6 multi-models. These anomalies were obtained by computing non-overlapping three-year mean SIA anomalies for March (February for Antarctic SIA), June, September, and December separately. CMIP5 historical simulations are extended by using RCP4.5 scenario simulations after 2005 while CMIP6 historical simulations are extended by using SSP2-4.5 scenario simulations after 2014. CMIP5 NAT simulations end in 2012. Numbers in brackets represent the number of models used. The multi-model mean is obtained by taking the ensemble mean for each model first and then averaging over models. Grey dots indicate multi-model mean anomalies stronger than inter-model spread (beyond ± 1 standard deviation). Results remain very similar when based on sea ice extent (SIE – not shown). Units: 106 km2. 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_ice_area
- units: 1e6 km2
- var_id: mme_sie_ano
- long_name: Sea Ice Area Anomalies
- standard_name: sea_ice_area
- units: 1e6 km2
- var_id: mme_signif
- long_name: Significance of Sea Ice Area Anomalies
- units: 1
- var_id: idx
- long_name: idx
- units: 1
- long_name: month
- var_id: month
- var_id: time_bnds
Co-ordinate Variables
- long_name: time
- standard_name: time
- var_id: time
- units: days
Temporal Range
1979-02-01T12:00:00
2017-12-31T12:00:00
Geographic Extent
90.0000° |
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-180.0000° |
180.0000° |
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-90.0000° |