Table 2.
Dissolved inorganic carbon (DIC) concentration and isotopic signature in drainage water of dolomite soil cores
| Days incubated | DIC (sample ppm CO2) | DIC (mg/L) | δ13C (‰) | |||
|---|---|---|---|---|---|---|
| Whole profile | A-horizon | Whole profile | A-horizon | Whole profile | A-horizon | |
| 43 | 5613 (230) | 2693 (1302) | 30.9 (1.3) | 14.8 (3.9) | −15.14 (0.58) | −17.99 (0.38) |
| 114 | 5211 (58) | 2288 (1550) | 28.7 (0.3) | 12.6 (3.6) | −15.09 (0.32) | −17.90 (0.42) |
| 141 | 5941 (280) | 3098 (1715) | 32.7 (1.5) | 17.4 (8.7) | −14.98 (0.35) | −18.60 (0.54) |
| 167 | 5540 (297) | 2579 (1445) | 30.5 (1.6) | 14.8 (5.4) | −15.56 (0.38) | −16.20 (0.22) |
Drainage water was collected from the wet treatment of whole soil profile cores (Whole profile) and from separately incubated A-horizons 1 h after water addition