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Table 2 Parameter values for 1D control mesocosms

From: Biogeochemical consequences of macrofauna burrow ventilation†

Parameter Symbol Value
Simulation deptha L/m 0.15
Porositya φ 0.75
Temperaturea T/°C 15
Salinitya S 16
Bottom water O2b [O2]0/M 0.228 × 10-3
Bottom water NO3-b [NO3-]0/M 0.015 × 10-3
Bottom water SO42-c [SO42-]0/M 0.013
Bottom water NH4+a [NH4+]0/M 0.014 × 10-3
Bottom water ΣSb S]0/M 0
Bottom water ΣCO2a [ΣCO2]0/M 1.820 × 10-3
Bottom water H+b [H+]0/M 8.97 × 10-9
O2 diffusion coefficientd /m2 s-1 1.82 × 10-9
NO3-diffusion coefficientd /m2 s-1 1.53 × 10-9
SO42- diffusion coefficientd /m2 s-1 0.84 × 10-9
NH4+ diffusion coefficientd /m2 s-1 1.57 × 10-9
H2S diffusion coefficientd S/m2 s-1 1.36 × 10-9
HS- diffusion coefficientd DHS/m2 s-1 1.45 × 10-9
CO2 diffusion coefficientd /m2 s-1 1.44 × 10-9
HCO3- diffusion coefficientd /m2 s-1 0.92 × 10-9
CO32- diffusion coefficientd /m2 s-1 0.73 × 10-9
Aerobic OC degradation rate e ROCox/M s-1 6.9 × 10-8
Anaerobic OC degradation ratef ROCan/M s-1 2.5 × 10-9
C: N ratioa 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 rateg KΣS/M-1 s-1 5.07 × 10-3
NO3 Monad sat sat./inhib. const.h 0.005 × 10-3
SO42- Monad sat. const.h /M 1.6 × 10-3
first acidity constanti K1C/M 9.00 × 10-7
second acidity constanti K2C/M 4.62 × 10-10
ΣS acidity constanti KS/M 1.82 × 10-7
  1. aDirectly measured by Kristensen and Hansen[25]. bTypical values for well-mixed estuarine environment[10,29]. cEstimated from salinity. dFrom literature[21] after temperature and salinity correction. eFrom similar OC-rich muddy mesocosms[19]. fDetermined through model simulations (see text). gFrom literature[16]. hFrom literature[14]. iFrom literature[30] after temperature and salinity correction.