Skip to main content

Table 1 Nature and ranges of the parameters perturbed in the present study

From: Relationship between physical and biogeochemical parameters and the scenario dependence of the transient climate response to cumulative carbon emissions

Parameter Component Default Range High weight range Ref.
Climate sensitivity Atmosphere 1.7 1–6 K 2–4.5 K a
Vertical diffusivity Ocean 0.1–2.5 cm2/s* 0.5–2.0 × default b–g
Horizontal diffusivity Ocean 1 × 107 cm2/s 0.35–1.5 × default h, i
Gent–McWilliams thickness Ocean 7 × 106 cm2/s 1–10 ×106 cm2 s−1 J
Magnitude of freshwater flux adjustment Ocean 1.0 (ratio to the values by Oort 1983) 0.5–2.0 k
Coefficient for marine CO2 uptake Marine carbon 1 0.4–1.0 l, m, n
Maximum photosynthetic rate Land carbon 8.0–13.5 μmolCO2/(m2 s)** 0.8–3.0 × default 0.8–2.0 × default o
Specific leaf area Land carbon 110–170 cm2/(g dry matter) ** 0.5–2.5 × default 0.5–1.5 × default p, q
Minimum temperature for photosynthesis Land carbon − 5.0–11.0 °C ** − 3.0–+ 3.0 °C of default r
Coefficient for temperature dependency of plant respiration Land carbon 2.0 (dimensionless) 1.5–3.0 s, t
Parameter of temperature dependency of soil respiration Land carbon 46.02 K 40–60 K r
  1. * Depth-dependent; **biome-dependent; a: Bindoff et al. (2013); b: Huber and Zanna (2017); c: Hasumi and Suginohara (1999); d: Tatebe et al. (2018); e: Melet et al. (2016); f: Simmons et al. (2004); g: Waterhouse et al. (2014); h: Collins et al. (2007); i: Roach et al. (2018); j: Visbeck et al. (1997); k: Talley (2008); l: Denman et al. (2007); m: Ciais et al. (2013); n: Tachiiri et al. (2013); o: Peterson et al. (1999); p: Kattge et al. (2011); q: Gong and Gao (2019); r: Verbeeck et al. (2011); s: Bolstad et al. (1999); t: Tjoelker et al. (2001)