Lecture 13: IPCC Summary For PolicyMakers: WG1-Science
Climate Change 2001: The
Scientific Basis
WGI contribution to IPCC Third Assessment Report
Understand and Project Our Climate System
Evidences of Global Warming and Other Changes
The Land and Oceans Have Warmed
Compared to the Past 1000 Years
Precipitation Patterns Have Changed
Emissions of Greenhouse Gases and Aerosols
Increase of Methane Concentration
Natural Factors of Radiative Forcing
More Confidence in Climate Models
IPCC Special Report on Emission Scenarios (SRES)
Projected Aerosol (SO2) Emissions
The projected warming is very likely to be without precedent during at least the last 10,000 years….
Global Distribution of The Warming
Projected Thermohaline Circulation