Maialen Iturbide

1. #ClimateReport #IPCC
SIXTH ASSESSMENT REPORT
Working Group 1 - The Physical Science Basis
Saturday, 6 November, 2021
The Interactive Atlas
Maialen Iturbide, WGI Atlas CS
Instituto de Física de Cantabria (CSIC – Univ. Cantabria)
COP26 regional events
#IPCCAtlas #IPCCData

2. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
1

3. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis – INTERACTIVE ATLAS
today
Documentation,
auxiliary
information
and data
(GitHub)
Figures Regional statements
Motivation from previous talks: Where is information available?

4. ... supporting the
assessment done in
the chapters, TS
and SPM
SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
Interactive
Atlas
1
https://interactive-atlas.ipcc.ch/
AR6 WGI Products

5. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
1
focus on regional changes
https//interactive-atlas.ipcc.ch/
WGII continental regions Major river basins
WGI Reference
regions:
46 land
12 open ocean
Monsoons Small islands
... supporting the
assessment done in
the chapters, TS
and SPM
Interactive
Atlas

6. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
1
two components
https//interactive-atlas.ipcc.ch/
... supporting the
assessment done in
the chapters, TS
and SPM
Interactive
Atlas
Maps, time series, and
other visuals from
multiple datasets
(observations,
CMIP5/6, CORDEX)
Confidence statements
for climatic
impact-driver (CID)
regional changes
(observed, attributed
and projected)

7. Information for multiple variables/indices from global and
regional obs. and model projections (CMIP5/6, CORDEX).
Atmospheric:
Temperatures
Precipitation
Snowfall
Wind
Oceanic
SST
Sea ice
pH
Sea Level Rise
Other
Ozone
PM2.5, ERF,
population,
CO2 emissions
derived
indices
Global climate change
indicators assessed in
Ch 2 to 9
Indices of extremes and
CIDs assessed in Ch 11,
12 and Atlas.
Annual max. temperature (TXx)
Days with tmax over 35ºC / 40ºC
Cooling Degree Days (CD)
Annual min. temperature (TNn)
Frost days (FD)
Heating Degree Days (HD)
Max. 1-day precipitation (RX1day)
Consecutive Dry Days (CDD)
Stand. Precipitation Index (SPI)

8. Projected changes for
Global Warming Levels:
1.5ºC, 2ºC, 3ºC, 4ºC
Decision makers, media, teaching, ...
1.5ºC 2ºC 4ºC
Figure SPM.5
REGIONAL
relative to 1850-1900
Simple interface
(CLIMATE FUTURES)

9. Projected changes for
Global Warming Levels:
1.5ºC, 2ºC, 3ºC, 4ºC
Simple interface
(CLIMATE FUTURES)
Decision makers, media, teaching, ...
1.5ºC 2ºC 4ºC
Projected changes for
Global Warming Levels:
1.5ºC, 2ºC, 3ºC, 4ºC
Periods across scenarios:
near (2021-2040), mid, long
relative to different baselines
1995-2014, 1850-1900, 1981-2010, ...
Figure SPM.5
Advanced interface
Further options and choices
Scientists, practitioners, ...
REGIONAL
relative to 1850-1900
Observed trends and paleo
modern periods: 1961-2015, 1980-2015
paleo periods: Mid-Pliocene, Last interglacial,
Last glacial maximum, Mid-Holocene
SSP1-2.6
SSP2.4.5
SSP3-7.0
SSP5.8.5

10. Confidence for climatic impact-driver (CID) regional
changes (observed, attributed and projected).
Projected: Regions where fire weather will
change with high or medium confidence
(violet for increase). CID is not broadly
relevant in grey areas.
Figure SPM.9
Table TS.5

11. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
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12. Regional
synthesis
DEMO

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synthesis
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15. Regional
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Working Group I – The Physical Science Basis
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19. Regional
information
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information
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44. SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
1

45. 9 August 2021
#ClimateReport #IPCC
SIXTH ASSESSMENT REPORT
Working Group I – The Physical Science Basis
Thank you.
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Report: www.ipcc.ch/assessment-report/ar6/
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