figure spm.3
DESCRIPTION
Figure SPM.3. Figure TS.6. FAQ 1.3, Figure 1. Figure 2.3. Figure 1.1. Better and longer satellite data about the Sun. Improved assessment: - PowerPoint PPT PresentationTRANSCRIPT
Better and longer satellite data about the Sun
Improved assessment: a) no observed trend in solar irradiance since 1978 using high
quality inter-calibrated data; b) spectral information c) solar magnetic flux model rather than proxy data; d) re-evaluation of variations in Sun-like stars.
No observed trend in this data. Solar forcing much less than greenhouse gases.
Les concentrations de CO2 attendues au cours du XXIème siècle sont deux à quatre fois celles de l’ère préindustrielle
Deltas and megadeltas: hotspots for vulnerability
Nearly 300 million people inhabit a sample of 40 deltas globally, including all the large megadeltas. Average population density is 500 people/km2 with the largest population in the Ganges-Brahmaputra delta, and the highest density in the Nile delta. Many of these deltas and megadeltas are associated with significant and expanding urban areas
La concentration en CO2, la température et le niveau de la mer continuent à croître longtemps
après que les émissions aient été réduites