Climate Projections for Hong Kong
Climate Projections for Hong Kong |
The United Nations Intergovernmental Panel on Climate Change (IPCC) released the Summary for Policymakers (SPM) of the Working Group I contribution to the Sixth Assessment Report (AR6) "Climate Change 2021: The Physical Science Basis" on 9 August 2021. A new set of 5 scenarios taking into consideration different trends in greenhouse gas concentrations is employed in AR6 to generate climate projections for the 21st century.
It is important to note that climate projection is not weather or seasonal forecast. It aims at describing the plausible changes in future climate from a long-term perspective under prescribed greenhouse gas concentrations rather than depicting the "day-to-day" or "year-to-year" weather fluctuation. Climate projections will vary according to different emissions scenarios. Besides, disparity in climate models' ability in simulating physical processes will also introduce uncertainties to climate projections. |
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