ateam - Potsdam Institute for Climate Impact Research
ateam - Potsdam Institute for Climate Impact Research
ateam - Potsdam Institute for Climate Impact Research
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ATEAM final report Section 5 and 6 (2001-2004) 108<br />
NBE [PgC yr -1 ]<br />
0.08<br />
0.06<br />
0.04<br />
0.02<br />
0<br />
-0.02<br />
-0.04<br />
-0.06<br />
-0.08<br />
-0.1<br />
1900 1925 1950 1975 2000 2025 2050 2075<br />
A<br />
HadCM3<br />
CSIRO2<br />
pre-industrial natural variability<br />
CGCM2<br />
PCM2<br />
B<br />
Figure 18. Variations in estimates of net biome exchange (NBE) over climate scenarios derived from<br />
four different climate models using the same emission scenarios (A2). A. Projections of total net biome<br />
exchange of the terrestrial biosphere over time in ATEAM-Europe, 1900-2100. Negative values denote<br />
fluxes into the terrestrial system, positive values denote fluxes out of the terrestrial system into the<br />
atmosphere. B. Changes in net biome exchange. Mean (left map) and standard deviation (right map)<br />
over four scenarios (A2 with four climate models) in ATEAM-Europe, 2071-2100 compared to 1971-<br />
2000. Negative values (green) indicates that flux of carbon to the terrestrial system in a grid cell is<br />
greater in 2071-2100 than in 1971-2000, positive values (red) indicate that this flux has decreased.<br />
NBE due to landuse change [PgC yr -1 ]<br />
NBE due to landuse change<br />
0.06<br />
0.05<br />
0.04<br />
0.03<br />
0.02<br />
0.01<br />
0<br />
-0.01<br />
-0.02<br />
-0.03<br />
-0.04<br />
-0.05<br />
1900 1925 1950 1975 2000 2025 2050 2075<br />
A1f A2 B1 B2<br />
Figure 19. Total net biome exchange (NBE) of the terrestrial biosphere over time in ATEAM-Europe,<br />
accounting <strong>for</strong> land use change only. The estimates result from model runs driven by climate and land
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