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 1600N HemisphereTemp 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 http://go.warwick.ac.uk/px272– 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.