Table 1 Comparison of reported carbon fluxes from various biomes in China
From: Forest expansion dominates China’s land carbon sink since 1980
Category/biome | Method | Reported C fluxa (Pg C per year) | Period | Ref. | This study |
|---|---|---|---|---|---|
China | Atmospheric inversion | −1.11 ± 0.38 | 2010–2016 | −0.28 ± 0.06 | |
China | Process-based model | 0.10 ± 0.08 0.04 ± 0.09 | 1980–2010 2000–2010 | MsTMIP | −0.21 ± 0.017 −0.30 ± 0.019 |
China | Process-based model | −0.02 ± 0.05 −0.03 ± 0.11 | 1980–2019 2010–2019 | TRENDY | −0.23 ± 0.018 −0.28 ± 0.023 |
China | Atmospheric inversion | −0.26 ± 0.09 | 2000–2005 | −0.33 ± 0.021 | |
China | Process-based model | −0.12 ± 0.03 −0.26 ± 0.11 −0.29 ± 0.08 −0.18 - −0.24 | 1981–2000 1996–2005 2000–2005 1961–2005 | −0.16 ± 0.015 −0.29 ± 0.019 −0.33 ± 0.021 −0.10 ± 0.010 | |
China | Inventory estimate + atmospheric inversion | −0.17 ± 0.05 | 1980–2002 | −0.17 ± 0.016 | |
China | Atmospheric inversion | −0.33 | 2001–2005 | −0.33 ± 0.020 | |
China | Atmospheric inversion | −0.39 - −0.51 −0.33 | 2006–2009 | −0.34 ± 0.022 | |
China Forest | Inventory estimate | 0.022 −0.021 | 1949–1980 1977–1998 | 0.042 ± 0.001 −0.067 ± 0.010 | |
China Forestb | Inventory estimate | −0.055 | 1973–2003 | −0.063 ± 0.008 | |
China vegetation | Inventory estimate + atmospheric inversion | −0.35 ± 0.33 | 1996–2005 | −0.22 ± 0.015 | |
China soilc | Inventory estimate + atmospheric inversion | −0.075 ± 0.066 | 1980–2002 | −0.205 ± 0.015 | |
China soil | Process-based model | −0.094 ± 0.047 | 1981–2000 | −0.055 ± 0.004 | |
Cropland soil | Inventory estimate | −0.026 ± 0.011 | 1980s,1990s | −0.047 ± 0.003 | |
Grassland soil | Remote sensing + statistical model | −0.007 ± 0.003 | 1982–1999 | 0.062 ± 0.001 | |
Grassland soil | Process-based model | −0.022 ± 0.01 | 1981–2000 | 0.066 ± 0.001 |
