Global mean temperature anomalies from 1961-1990 average.
Sources: Shakun et al. 2012. Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation. Nature 484. Marcott et al. 2013. A Reconstruction of Regional and Global Temperature for the Past 11,300 Years. Science 339. IPCC AR4.
2. Shakun et al. 2012 Marcott et al. 2013 IPCC A1B
Temperature anomaly from 1961-1990 mean
4
THE WHEELCHAIR
3
2
1
0
-1
-2
-3
-4
-22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0
Thousands of years before present
Johannes Lounasheimo 2013
3. Shakun et al. 2012 Marcott et al. 2013 IPCC A1B
Temperature anomaly from 1961-1990 mean
4
THE WHEELCHAIR
3
2
1
0
-1
-2
-3
ICE AGE
-4
-22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0
Thousands of years before present
Johannes Lounasheimo 2013
4. Shakun et al. 2012 Marcott et al. 2013 IPCC A1B
Temperature anomaly from 1961-1990 mean
4
THE WHEELCHAIR
3
2
1
0
INTERGLACIAL
-1
-2
-3
ICE AGE
-4
-22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0
Thousands of years before present
Johannes Lounasheimo 2013
5. Shakun et al. 2012 Marcott et al. 2013 IPCC A1B
Temperature anomaly from 1961-1990 mean
4
THE WHEELCHAIR
3
2
2010
1
0
INTERGLACIAL
-1
-2
-3
ICE AGE
-4
-22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0
Thousands of years before present
Johannes Lounasheimo 2013
6. Shakun et al. 2012 Marcott et al. 2013 IPCC A1B
Temperature anomaly from 1961-1990 mean
4
THE WHEELCHAIR
2100
3
2
2010
1
0
INTERGLACIAL
-1
-2
-3
ICE AGE
-4
-22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0
Thousands of years before present
Johannes Lounasheimo 2013