Table 1.
Model-estimated anthropogenic (1990–2000 minus preindustrial) and preindustrial atmospheric deposition fluxes
| Flux | Integrated anthropogenic deposition,Tmol/y or Teq/y (preindustrial) |
Anthropogenic coastal ocean flux, mol or eq·m−2·y−1 |
||
|---|---|---|---|---|
| Global | Ocean-only | Model | Observed | |
| fCO2 | — | 138 | 0.10 to 2.00 | |
| f NH4+ + f NH3 | 4.11 (0.00) | 1.99 (0.00) | 0.00 to 0.03 | 0.02 |
| f NO3− | 1.84 (1.18) | 0.67 (0.73) | 0.00 to 0.03 | 0.02 |
| f SO42− + f SO2 | 2.21 (0.58) | 0.78 (0.49) | 0.00 to 0.03 | 0.01 |
| fAlk | −2.15 (−2.34) | −0.24 (−1.71) | −0.01 to +0.01 | |
| fAlknitrif | −10.37 (−2.34) | −4.22 (−1.71) | −0.01 to −0.10 | |