|
Residual land carbon sink |
||
| Reference |
1980's (Pg C/yr) |
1990's (Pg C/yr) |
|
|
||
| Residual land carbon sink |
||
| IPCC 2001 [19] |
-0.3–3.8 |
incomplete |
| House et al. [20] |
0.3–4.0 |
1.6–4.8 |
| Additional land carbon uptake due to increased nitrogen deposition (globally) |
||
| Townsend et al. [11] |
n/a |
0.3–1.3 |
| Holland et al. [12] |
n/a |
1.5–2.0 |
| This study |
0.62–2.33 |
0.75–2.21 |
| Additional land carbon uptake due to increased nitrogen deposition (temperate forests) |
||
| Nadelhoffer et al. [10] |
n/a |
0.25 |
| This study |
0.34–1.62 |
0.4–1.85 |
|
Negative values represent atmospheric CO2 increase (or land sources), positive numbers depict atmospheric CO2 decrease (land sinks). | ||
Churkina et al. Carbon Balance and Management 2007 2:5 doi:10.1186/1750-0680-2-5 |
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