Global temp 140 years IPCC Summary for Policymakers 2001.

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Presentation transcript:

Global temp 140 years IPCC Summary for Policymakers 2001

Sea Levels are rising … (IPCC TS2001)

N Hemisphere temp past 1000 years IPCC S/PM 2001

Simple Greenhouse analogy

G/house gas and aerosol buildup Rise of global Greenhouse gases with industrial era Rise of industrial sulphate aerosols, appears to have peaked for Greenland record. (b) Sulphate aerosols deposited in Greenland ice IPCC S/PM 2001

Solar variation from 1600 N Hemisphere Temp record Reconstructions of total solar irradiance IPCC 2001 Ch 6.11

Global mean forcing 2000 vs 1750 IPCC S/PM 2001

Simulated annual global mean surface temperatures IPCC S/PM 2001

The global climate of the 21st century IPCC S/PM 2001

Observed and projected changes in extreme weather and climate events. IPCC S/PM 2001

Vostok ice cores from Antarctica IPCC 2001 Ch 2.4

Ice and ocean cores IPCC 2001 Ch 2.4

Some Key Sources of Info for this module Website –Intergovernmental Panel on Climate Change – third report 2001 –Global Warming, J Horton, Rep Prog Phys June 2005 (review article) – copies to circulate? –Notes –Assignments Global Warming, J Horton, CUP 2004 Assignments weekly. –Assessed. –First due next thursday lecture.