Table 2 Descriptions of parameters in the vertically resolved model
From: Model structures amplify uncertainty in predicted soil carbon responses to climate change
Short name | Description | Unit | LL | UL | Default | Mean ± SD | G-R |
|---|---|---|---|---|---|---|---|
D 1 | Diffusivity in non-permafrost regions | m2 yr−1 | 0.3 × 10−4 | 16 × 10−4 | 1 × 10−4 | (1.4 ± 0.81) × 10−4 | 1.02 |
D 2 | Diffusivity in permafrost regions | m2 yr−1 | 0.3 × 10−4 | 16 × 10−4 | 4 × 10−4 | (9.3 ± 4.0) × 10−4 | 1.00 |
z t | e-folding depth for depth scalar | m | 0 | 1 | 0.5 | 0.41 ± 0.05 | 1.00 |
t 1 | Coefficient to calculate f21 (intercept) | – | 0 | 1 | 0.85 | 0.28 ± 0.14 | 1.00 |
t 2 | Coefficient to calculate f21 (slope) | – | 0 | 1 | 0.68 | 0.089 ± 0.069 | 1.00 |
f 31 | Fraction of C in fast soil C transferring to passive soil C | – | 0 | 0.01 | 0.005 | 0.0053 ± 0.0026 | 1.00 |
f 12 | Fraction of C in slow soil C transferring to fast soil C | – | 0.1 | 0.6 | 0.4185 | 0.37 ± 0.13 | 1.00 |
f 32 | Fraction of C in slow soil C transferring to passive soil C | – | 0 | 0.05 | 0.0315 | 0.031 ± 0.011 | 1.00 |
f 13 | Fraction of C in passive soil C transferring to fast soil C | – | 0.3 | 0.7 | 0.45 | 0.50 ± 0.11 | 1.00 |
k 1 | Turnover rate of C from fast soil C | g C g C−1 yr−1 | 1 | 15 | 7.3 | 7.52 ± 3.76 | 1.00 |
k 2 | Turnover rate of C from slow soil C | g C g C−1 yr−1 | 0.1 | 0.5 | 0.2 | 0.22 ± 0.086 | 1.01 |
k 3 | Turnover rate of C from passive soil C | g C g C−1 yr−1 | 0.001 | 0.01 | 0.0045 | 0.0048 ± 0.0018 | 1.01 |
Q 10 | Temperature sensitivity | – | 1 | 3 | 2 | 1.03 ± 0.024 | 1.00 |
