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Climate science: The basics (for students)
- 1. Climate science: The basics Outreach Event on the IPCC Role, Activities and Findings Event for students 30 November 2016 Kingston, Jamaica INÉS CAMILLONI IPCC AR5 Lead Author Dept. of Atmospheric and Oceanic Sciences/CIMA University of Buenos Aires/CONICET, Argentina
- 2. Why Earth is a good place to live?
- 3. Gas, liquid & solid Water Moderate temperature Sun Energy
- 4. Why Earth? Not Venus? Nor Mars?
- 5. Earth’s atmosphere Water vapor Carbon dioxide Methane Nitrous oxide … Greenhouse effect Natural process that warms the Earth’s surface and the lower atmosphere.
- 6. (IPCC2013,Fig.6.11) CO2: +40% CH4: +150% N20: +20% year 0 = 1750 The atmospheric concentrations of carbon dioxide, methane and nitrous oxide have all increased since 1750 due to human activity
- 7. Evidences of climate change
- 8. Warming of the climate system is unequivocal Independent sources Many lines of evidence
- 10. 0.3-1.7C 2.6-4.8C Global temperature change for the end of the 21st century is likely to exceed 1.5°C relative to 1850 for all scenarios (IPCC2013,Fig.SPM.7a)
- 11. (IPCC2013,Fig.SPM.9) Global mean sea level will continue to rise during the 21st century 0.26 m 0.98 m
- 12. Limiting climate change will require substantial and sustained reductions of greenhouse gas emissions.
Notas do Editor
- Global mean sea level will continue to rise during the 21st century (see Figure SPM.9). Under all RCP scenarios the rate of sea level rise will very likely exceed that observed during 1971–2010 due to increased ocean warming and increased loss of mass from glaciers and ice sheets