Research Article
An Areal Assessment of Subseafloor Carbon Cycling in Cold Seeps and Hydrate-Bearing Areas in the Northern South China Sea
Table 2
Areal comparison of biogeochemical rates and effluxes of methane and DIC with other cold seeps.
| Location | CH4 efflux | DIC efflux | OSR | ME | AOM | CP | Reference |
| Northern SCS | 5.7 | 46.2 | 16.5 | 3.4 | 39.9 | 13.7 | This study | Hydrate Ridge | 839.5 | 9000 | | 51.83 | 6575 | | [60, 68, 69] | Gulf of Mexico | 109.5 | | | | 1718 | | [73] | Costa Rica | 4562.5 | | | | 5880 | | [59] | Black Sea | 3017 | | | | 11363 | | [61] | Blake Ridge | | | 2.92 | 0.365 | 10.6 | | [37] | Sakhalin Island (Derugin Basin) | | | 59.9 | 11.9 | 33.2 | 11 | [37] | Skagerrak (Denmark) | 36.5 | | | | 62 | | [70] | Hikurangi Margin (New Zealand) | 4380 | 5548 | 2.5 | 1.5 | 333 | | [53, 58] | Ulleung Basin | | | 23 | 53.8 | 40 | 6.3 | [71, 72] | Vestnesa Ridge | | | 12.8 | | 184.8 | | [74] |
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