Research Article
An Areal Assessment of Subseafloor Carbon Cycling in Cold Seeps and Hydrate-Bearing Areas in the Northern South China Sea
Table 1
Biogeochemical rates and effluxes of methane and DIC in the three areas.
| Location | CH4 efflux | DIC efflux | OSR | ME | AOM | CP | Cores | RM | AM | SD | Average | RM | AM | SD | Average | RM | AM | SD | Average | RM | AM | SD | Average | RM | AM | SD | Average | RM | AM | SD | Average |
| Dongsha | 0.2 | 9.7 | 95 | 4.9 | 25.3 | 19.3 | 7 | 22.3 | 14.1 | 17.7 | 12 | 15.9 | 5.1 | 4.8 | 4 | 4.9 | 29.0 | 26.7 | 14 | 27.8 | 5.5 | 5.4 | 1 | 5.3 | 363 | Xisha | 0.1 | 144 | 366 | 72 | 36.0 | 246.2 | 136 | 141 | 27.6 | 14.6 | 20 | 21.1 | 2.6 | 1.5 | 1 | 2 | 9.4 | 261.1 | 385 | 135.2 | 27.3 | 37.4 | 28 | 32.3 | 8 | Shenhu | 0.0 | 0.1 | 1 | 0.0 | 17.1 | 19.8 | 5 | 18.4 | 5.8 | 9.8 | 2 | 7.8 | 1.4 | 2.8 | 1 | 2.1 | 16.8 | 18.2 | 5 | 17.5 | 5.4 | 6.3 | 1.6 | 5.8 | 24 | North SCS | 0.13 | 11.3 | 96 | 5.7 | 29.5 | 62.9 | 178 | 46.2 | 19.6 | 13.4 | 12 | 16.5 | 3.6 | 3.2 | 3 | 3.4 | 19.0 | 60.8 | 180 | 39.9 | 15.4 | 12 | 17 | 13.7 | 395 |
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RM: raster mean; AM: arithmetical mean; SD: standard deviation.
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