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Head, WGI Technical Support Unit
IPCC AR6 Working Group I Anna Pirani Head, WGI Technical Support Unit
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Large-scale climate change
WGI Outline Summary for Policy Makers Technical Summary Chapter 1: Framing, context, methods Chapter 2: Changing state of the climate system Chapter 3: Human influence on the climate system Chapter 4: Future global climate: scenario-based projections and near-term information Chapter 5: Global carbon and other biogeochemical cycles and feedbacks Chapter 6: Short-lived climate forcers Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity Chapter 8: Water cycle changes Chapter 9: Ocean, cryosphere, and sea level change Chapter 10: Linking global to regional climate change Chapter 11: Weather and climate extreme events in a changing climate Chapter 12: Climate change information for regional impact and for risk assessment Annexes incl. options for a Regional Atlas and Technical Annexes Glossary Index Large-scale climate change
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WGI Outline Climate processes Summary for Policy Makers
Technical Summary Chapter 1: Framing, context, methods Chapter 2: Changing state of the climate system Chapter 3: Human influence on the climate system Chapter 4: Future global climate: scenario-based projections and near-term information Chapter 5: Global carbon and other biogeochemical cycles and feedbacks Chapter 6: Short-lived climate forcers Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity Chapter 8: Water cycle changes Chapter 9: Ocean, cryosphere, and sea level change Chapter 10: Linking global to regional climate change Chapter 11: Weather and climate extreme events in a changing climate Chapter 12: Climate change information for regional impact and for risk assessment Annexes incl. options for a Regional Atlas and Technical Annexes Glossary Index Climate processes
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Regional climate information
WGI Outline Summary for Policy Makers Technical Summary Chapter 1: Framing, context, methods Chapter 2: Changing state of the climate system Chapter 3: Human influence on the climate system Chapter 4: Future global climate: scenario-based projections and near-term information Chapter 5: Global carbon and other biogeochemical cycles and feedbacks Chapter 6: Short-lived climate forcers Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity Chapter 8: Water cycle changes Chapter 9: Ocean, cryosphere, and sea level change Chapter 10: Linking global to regional climate change Chapter 11: Weather and climate extreme events in a changing climate Chapter 12: Climate change information for regional impact and for risk assessment Annexes incl. options for a Regional Atlas and Technical Annexes Glossary Index Regional climate information
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Proposed WGI Outline Cross-chapter coordination
Summary for Policy Makers Technical Summary Chapter 1: Framing, context, methods Chapter 2: Changing state of the climate system Chapter 3: Human influence on the climate system Chapter 4: Future global climate: scenario-based projections and near-term information Chapter 5: Global carbon and other biogeochemical cycles and feedbacks Chapter 6: Short-lived climate forcers Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity Chapter 8: Water cycle changes Chapter 9: Ocean, cryosphere, and sea level change Chapter 10: Linking global to regional climate change Chapter 11: Weather and climate extreme events in a changing climate Chapter 12: Climate change information for regional impact and for risk assessment Annexes incl. options for a Regional Atlas and Technical Annexes Glossary Index Cross-chapter coordination e.g. weather and climate extremes Key large-scale indicators Air pollution extremes Large-scale patterns of water cycle extremes Extreme sea levels Regional Changing hazards
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Proposed WGI Outline Summary for Policy Makers Technical Summary
Chapter 1: Framing, context, methods Chapter 2: Changing state of the climate system Chapter 3: Human influence on the climate system Chapter 4: Future global climate: scenario-based projections and near-term information Chapter 5: Global carbon and other biogeochemical cycles and feedbacks Chapter 6: Short-lived climate forcers Chapter 7: The Earth’s energy budget, climate feedbacks, and climate sensitivity Chapter 8: Water cycle changes Chapter 9: Ocean, cryosphere, and sea level change Chapter 10: Linking global to regional climate change Chapter 11: Weather and climate extreme events in a changing climate Chapter 12: Climate change information for regional impact and risk for assessment Annexes incl. options for a Regional Atlas and Technical Annexes Glossary Index Link to WGII Link to WGIII
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Working Group 1
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How the IPCC produces its reports?
AR6 main approval Scoping, May 2017 AR6 main approval Montreal September 2017 Literature cut-off dates for AR6 WGI (not decided) Papers submitted : 31 January 2020 Papers accepted 15 Oct 2020 The outlines send signals to the scientists Nye men fremdeles foreløpige er : 31 januar og 15 OKT 2020. >> On 25 Apr 2017, at 06:42, PIRANI Anna wrote: >> >> Hi Jan, >> the dates that Valerie sent you for literature cut off dates were off by about 5 months. >> They should be 31 Jan and 15 Oct 2020. >> Anna
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WGI - Data Distribution Centre
Reproducibility and transparency of assessment Curation of data reporduced in report – Figures and Tables Multiple sources (model, reanalysis, observations, paleo information) Multiple scales (projections, predictions, global, high resolution, regional) Regional Climate Atlas scale-, region-, user-specific information online navigation and tailoring of information extraction WGII linkages Expert Meeting in 2018 (tentatively May) Oversight (TGICA, AR6 Bureau and authors) and linkages: CMIP Panel / WGCM Infrastructure Panel Decadal Climate Prediction Project CORDEX Observations, reanalysis and other data sources Data access Mentionner : Renforcement de la prise en compte des villes Rapport sur les méthodologies d’inventaires des émissions (2019)
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Broader AR6 - Data Distribution Centre
Integration of IAM database into DDC Curation for Special Reports (underway) AR6 oversight TGICA Cross-WG coordination AR5 DDC data delivery – understanding AR6 needs users (stakeholders, research community) regional uptake, region-specific needs data preferences/priorities Mentionner : Renforcement de la prise en compte des villes Rapport sur les méthodologies d’inventaires des émissions (2019)
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Schedule Sept 2018 April 2021 October 2021 Fall 2019 April 2022
Global warming of 1.5 oC Oceans and cryosphere The Physical Science Basis Climate Change Impacts, Adaptation and Vulnerability The Synthesis Report Facilitative dialogue UNFCCC Land Mitigation of Climate Change Global stocktake 2023 UNFCCC Mentionner : Renforcement de la prise en compte des villes Rapport sur les méthodologies d’inventaires des émissions (2019) Fall 2019 July 2021
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