Climate data and scenarios for Canada : synthesis of recent observation and modelling results. : En84-132/2016E-PDF

Many aspects of Canada’s infrastructure, economy, and ecology are directly affected by climate variability and change. Observations provide information about historical climate and therefore the ‘baseline’ against which future change is compared. Future climate change information, needed to assess future impacts, plan adaptation measures, and develop mitigation policy, cannot be reliably obtained by extrapolation of observed historical changes. Quantitative longer-term applications of climate information require model-based projections driven by a range of greenhouse gas emission scenarios. This document provides a brief overview of the most up-to-date analysis of historical climate observations and future climate projections focusing specifically on Canada. The information presented here builds upon, and is fully consistent with, the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) Working Group I (IPCC, 2013). The current document is intended as a resource for dissemination of climate information with a specific focus on historical and future climate change across Canada. It is not intended to serve as a definitive reference or complete characterization, and readers are directed to the underlying data sources for more detailed and quantitative analyses specific to their climate impact, adaptation, or environmental assessment context.

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