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TitleRapport sur le climat changeant du Canada, à la lumière de la plus récente évaluation scientifique mondiale
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorBush, E; Bonsal, BORCID logo; Derksen, CORCID logo; Flato, GORCID logo; Fyfe, J; Gillett, N; Greenan, B J W; James, T SORCID logo; Kirchmeier-Young, MORCID logo; Mudryk, L; Zhang, XORCID logo
Source 2022, 42 pages, Open Access logo Open Access
LinksLe Canada dans un climat en changement : faire progresser nos connaissances pour agir
LinksCanada in a Changing Climate: Advancing our Knowledge for Action
PublisherGovernment of Canada
Mediadigital; on-line
RelatedThis publication is a translation of Canada's changing climate report, in light of the latest global science assessment
File formatpdf
ProvinceCanada; British Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectsenvironmental geology; hydrogeology; geochemistry; Nature and Environment; Science and Technology; Health and Safety; climate effects; temperature; precipitation; snow; glaciers; sea ice; permafrost; ground ice; sea level changes; models; groundwater; oceanography; sea water geochemistry; carbon dioxide; coastal environment; floods; Climate change; Regions; Northern Canada; Water; Hydrology; Fresh water; greenhouse gas emissions; Oceans; Natural hazards; cumulative effects; Extreme weather; Water supply; Flooding
Illustrationstables; time series; sketch maps
ProgramClimate Change Impacts and Adaptation
ProgramClimate Change Impacts and Adaptation Canada in a Changing Climate
ProgramClimate Change Geoscience Coastal Infrastructure
Released2022 03 23 (09:00)
The 2019 Canada's Changing Climate Report (CCCR) remains an authoritative source of information on past and future changes in Canada's climate. New science assessed in the Working Group I Contribution to the Intergovernmental Panel on Climate Change Sixth Assessment Report (AR6 WGI) provides additional information on regional changes in climate to support regional risk assessment. While the AR6 WGI did not assess changes in climate for Canada as a whole, many of the global and regional findings are consistent with, and in some cases strengthen the evidence for, the conclusions of the CCCR (see Table Summary.1).
The following conclusions from the AR6 WGI are particularly relevant to Canada's Changing Climate: amplification of warming for northern regions is a robust feature of both past and future warming, and further declines in snow cover, glaciers, sea ice and permafrost extent are projected with additional warming; changes in many types of extremes are already observed, their attribution to human influence has strengthened, and changes in many types of extremes are expected to increase in frequency and severity with every additional increment of global warming; continued global warming is projected to further intensify the global water cycle, including its variability and the severity of wet and dry events; the frequency and severity of extreme sea-level events will also increase where relative sea level is projected to rise. The CCCR's conclusions, in particular the ten headline statements that tell a concise story about Canada's changing climate based on the findings of that Report, are all closely aligned with and well supported by key findings in the Summary for Policymakers (SPM) of the AR6 WGI report (see Table Summary.1).
Summary(Plain Language Summary, not published)
This report provides some perspectives on the implications of the findings of Climate Change 2021: The Physical Science Basis for the conclusions of the 2019 Canada's Changing Climate Report. Climate Change 2021 was the Working Group I Contribution to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change.

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