Figure 2.1

180150W 120W 90W 60W 30W 0180 150E120E90E60E30E

Tropical savanna

Tropical rainforest

Sem

i-arid

Arid

Mediterranean

Hum

id subtropical

Marine

Hum

id continental, warm

Hum

id continental, cool

Subarctic

Tundra

Ice cap

90N

60N

30N

0

30S

60S

90S

Ecological Climatology © 2008 G. Bonan

Figure 2.2

September November January

March May July

100-91 90-81 80-71 70-61 60-51 50-41 40-31 30-21 20-11 10-0Snow Cover (%)

Ecological Climatology © 2008 G. Bonan

Figure 2.3Ecological Climatology © 2008 G. Bonan

Figure 2.4Ecological Climatology © 2008 G. Bonan

Figure 2.5Ecological Climatology © 2008 G. Bonan

Figure 2.6Ecological Climatology © 2008 G. Bonan

0

1

2

3

4

5

6

7

8

9

10

11

1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100

Bill

ions

of P

eopl

e

Figure 2.7Ecological Climatology © 2008 G. Bonan

Figure 2.8Ecological Climatology © 2008 G. Bonan

Figure 2.9Ecological Climatology © 2008 G. Bonan