Table 2 Parameter values for 1D control mesocosms

Simulation depth^a

L/m

Porosity^a

φ

Temperature^a

T/°C

15

Salinity^a

S

16

Bottom water O₂^b

[O₂]₀/M

0.228 × 10^-3

Bottom water NO₃^-b

[NO₃^-]₀/M

0.015 × 10^-3

Bottom water SO₄^2-c

[SO₄^2-]₀/M

0.013

Bottom water NH₄^+a

[NH₄⁺]₀/M

0.014 × 10^-3

Bottom water ΣS^b

[ΣS]₀/M

0

Bottom water ΣCO₂^a

[ΣCO₂]₀/M

1.820 × 10^-3

Bottom water H^+b

[H⁺]₀/M

8.97 × 10^-9

O₂ diffusion coefficient^d

/m² s^-1

1.82 × 10^-9

NO₃^-diffusion coefficient^d

/m² s^-1

1.53 × 10^-9

SO₄^2- diffusion coefficient^d

/m² s^-1

0.84 × 10^-9

NH₄⁺ diffusion coefficient^d

/m² s^-1

1.57 × 10^-9

H₂S diffusion coefficient^d

S/m² s^-1

1.36 × 10^-9

HS^- diffusion coefficient^d

D_HS/m² s^-1

1.45 × 10^-9

CO₂ diffusion coefficient^d

/m² s^-1

1.44 × 10^-9

HCO₃^- diffusion coefficient^d

/m² s^-1

0.92 × 10^-9

CO₃^2- diffusion coefficient^d

/m² s^-1

0.73 × 10^-9

Aerobic OC degradation rate ^e

R_OC^ox/M s^-1

6.9 × 10^-8

Anaerobic OC degradation rate^f

R_OC^an/M s^-1

2.5 × 10^-9

C: N ratio^a

–

4.8

Aerobic NH₄⁺ reoxidation rate ^g

/M^-1 s^-1

0.16

O₂ Monod sat./inhib. Const.^h

0.02 × 10^-3

Aerobic ΣS reoxidation rate^g

KΣS/M-1 s-1

5.07 × 10^-3

NO₃ Monad sat sat./inhib. const.^h

0.005 × 10^-3

SO₄^2- Monad sat. const.^h

/M

1.6 × 10^-3

first acidity constantⁱ

K₁^C/M

9.00 × 10^-7

second acidity constantⁱ

K₂^C/M

4.62 × 10^-10

ΣS acidity constantⁱ

K_S/M

1.82 × 10^-7