Presentation by Pedro Monteiro at the Inspiring Change Gathering in Cape Town, South Africa on 18 November 2011. www.climatesmartcapetown.co.za/events/inspiringchange
4. Tropical Eastern Domain 2b:
Atlantic Tropical
Western Indian
Domain 3: Southern Oceans
Advective and
vertical
feedbacks to
global system
Southern African Regional Earth System
5. TWO ASSUMPTIONS
• Natural ocean fluxes of CO2 will remain
unchanged
• We can reduce atmospheric CO2 to
350ppm within a century
11. Atmospheric
750 ppm
CO2 Lifetime of Fossil
Fuel CO2
550 ppm
CO2
350 ppm
CO2
Land Ocean
275 ppm Biosphere Biosphere
CO2
100 1000 10,000
years years years
12. Atmospheric
750 ppm
CO2 Lifetime of Fossil
Fuel CO2
550 ppm
CO2
350 ppm
CO2
Land Ocean
275 ppm Biosphere Biosphere
CO2
100 1000 10,000
years years years
18. SA - Integrated Carbon Observatory Network (SA-ICON)
3.00
Cape Point CO2 - Cape Town
Difference Cape Town CO2 - Background CO2 ppm
2.50 Influence
2.00
1.50
1.00 Cape Town metro pilot
0.50
study
Jan-97
Jan-93
Jan-95
Jan-99
Jan-01
Jan-03
Jan-05
Jan-07
Jan-09
Jan-11
Date
0.00
19. Tropical Eastern
Tropical
Atlantic
Western Indian
Southern Oceans
20. V urgent action
<450ppm
Innovative
Development
Opportunities
Cape Town