Appendix
Symbol |
Value |
Unit |
Parameter |
|---|---|---|---|
\(T_{ref}\) |
288.15 |
K |
reference temperature |
\(\psi\) |
0.02 |
dimensionless |
calcite production ratio |
\(q^{Fe}\) |
0.005 |
\(\mu\) molFe (mmol C) \(^{-1}\) |
Fe:C ratio |
\(\kappa^{scav}_{Fe}\) |
0.0156 |
(mmolCm \(^{-3}\)) \(^{-1}`d :math:`^{-1}\) |
Fe scavenging rate |
\(\alpha_{phy}\) |
0.14 |
mmol C (mg Chl) \(^{-1}\) (Wm \(^{-2}\) d \(^{-1}\)) |
initial slope of P-I curve |
\(\alpha_{dia}\) |
0.19 |
mmol C (mg Chl) \(^{-1}\) (Wm \(^{-2}\) d \(^{-1}\)) |
diatom initial slope of P-I curve |
\(\mu^{max}_{phy}\) |
3.0 |
d\(^{-1}\) |
maximum photosynthesis rate |
\(\mu^{max}_{dia}\) |
3.5 |
d\(^{-1}\) |
diatom maximum photosynthesis rate |
\(\epsilon^N_{phy}\) |
0.05 |
d\(^{-1}\) |
excretion rate of nitrogen |
\(\epsilon^N_{dia}\) |
0.05 |
d\(^{-1}\) |
diatom excretion rate of nitrogen |
\(\epsilon^C_{phy}\) |
0.10 |
d\(^{-1}\) |
excretion rate of carbon |
\(\epsilon^C_{dia}\) |
0.10 |
d\(^{-1}\) |
diatom excretion rate of carbon |
\(\sigma_{phy}^N\) |
0.20 |
mol N (mol C) \(^{-1}\) |
N:C uptake ratio |
\(\sigma_{dia}^N\) |
0.20 |
mol N (mol C) \(^{-1}\) |
diatom N:C uptake ratio |
\(\sigma_{dia}^{Si}\) |
0.20 |
mol Si (mol C) \(^{-1}\) |
diatom Si:C uptake ratio |
\(K_{phy}^{\mathrm{N}}\) |
0.55 |
mmol N m\(^{-3}\) |
half-saturation constant N uptake |
\(K_{dia}^{\mathrm{N}}\) |
1.0 |
mmol N m\(^{-3}\) |
diatom half-saturation constant N uptake |
\(K^{Fe}_{phy}\) |
0.02 |
\(\mu\)molFe m\(^{-3}\) |
half-saturation constant Fe uptake |
\(K^{Fe}_{dia}\) |
0.12 |
\(\mu\)molFe m\(^{-3}\) |
diatom half-saturation constant Fe uptake |
\(K_{dia}^{\mathrm{Si}}\) |
4.0 |
mmol Si m\(^{-3}\) |
diatom half-saturation constant Si uptake |
\(q_{phy\,max}\) |
0.20 |
mol N (mol C) \(^{-1}\) |
maximum N:C ratio |
\(q_{dia\,max}\) |
0.20 |
mol N (mol C) \(^{-1}\) |
diatom maximum N:C ratio |
\(q_{max}^{Si}\) |
0.80 |
mol Si (mol C) \(^{-1}\) |
diatom maximum Si:C ratio |
\(q_{min}\) |
0.04 |
mol N (mol C) \(^{-1}\) |
minimum N:C ratio |
\(q_{min}^{Si}\) |
0.04 |
mol Si (mol C) \(^{-1}\) |
minimum Si:C ratio |
\(q_{phy\,max}^{Chl:N}\) |
3.15 |
mg Chl (mmol N) \(^{-1}\) |
nanophytoplankton maximum Chl:N ratio |
\(q_{dia\,max}^{Chl:N}\) |
4.2 |
mg Chl (mmol N) \(^{-1}\) |
diatom maximum Chl:N ratio |
\(\theta_{max}\) |
1000 |
dimensionless |
regulation slope |
\(\theta_{min}\) |
50 |
dimensionless |
regulation slope |
\(\theta_{min}^{Si}\) |
1000 |
dimensionless |
regulation slope |
\(\theta_{max}^{Si}\) |
1000 |
dimensionless |
regulation slope |
\(\zeta^{N}\) |
2.33 |
mol C (mol N) \(^{-1}\) |
C cost of N assimilation |
\(\zeta^{Si}\) |
0 |
mol C (mol Si) \(^{-1}\) |
C cost of Si assimilation |
\(\phi_{phy}\) |
0.015 |
(mmol N m \(^{-3}\)) \(^{-1}`d \ :math:`^{-1}\) |
phytoplankton specific aggregation rate |
\(\phi_{det}\) |
0.165 |
(mmol N m \(^{-3}\)) \(^{-1}`d \ :math:`^{-1}\) |
detrius specific aggregation rate |
\(\eta_{phy}\) |
0.01 |
d\(^{-1}\) |
maintenance respiration rate |
\(\eta_{dia}\) |
0.01 |
d\(^{-1}\) |
diatom maintenance respiration rate |
\(d^{Chl}_{phy}\) |
0.3 |
d\(^{-1}\) |
chlorophyll degradation rate |
\(d^{Chl}_{dia}\) |
0.3 |
d\(^{-1}\) |
diatom chlorophyll degradation rate |
\(\gamma\) |
0.4 |
dimensionless |
grazing efficiency |
id |
name |
unit |
code |
|---|---|---|---|
bgc01 |
dissolved inorganic nitrogen |
mmolN m-3 |
idin |
bgc02 |
dissolved inorganic carbon |
mmolC m-3 |
idic |
bgc03 |
total alkality |
mmol m-3 |
ialk |
bgc04 |
intracellular nitrogen concentration in small phytoplankton |
mmolN m-3 |
iphyn |
bgc05 |
intracellular carbon concentration in small phytoplankton |
mmolC m-3 |
iphyc |
bgc06 |
intracellular chlorophyll-a concentration |
mgChl m-3 |
ipchl |
bgc07 |
nitrogen concentration in detritus |
mmolN m-3 |
idetn |
bgc08 |
carbon concentration in detritus |
mmolC m-3 |
idetc |
bgc09 |
nitrogen concentration in heterotrophs |
mmolN m-3 |
ihetn |
bgc10 |
carbon concentration in heterotrophs |
mmolC m-3 |
ihetc |
bgc11 |
dissolved organic nitrogen in water |
mmolN m-3 |
idon |
bgc12 |
dissolved organic carbon in water |
mmolC m-3 |
idoc |
bgc13 |
intracellular nitrogen concentration in diatoms |
mmolN m-3 |
idian |
bgc14 |
intracellular carbon concentration in diatoms |
mmolC m-3 |
idiac |
bgc15 |
intracellular chlorophyll concentration in diatoms |
mgChl m-3 |
idchl |
bgc16 |
intracellular silica concentration in diatoms |
mmolSi m-3 |
idiasi |
bgc17 |
silica in detritus |
mmolSi m-3 |
idetsi |
bgc18 |
silicic acid in water |
mmolSi m-3 |
isi |
bgc19 |
dissolved iron in water |
mmolFe m-3 |
ife |
bgc20 |
calcite associated with nanophytoplankton |
mmolCaCO3 m-3 |
iphycal |
bgc21 |
calcite associated with detritus |
mmolCaCO3 m-3 |
idetcal |
bgc22 |
dissolved oxygen in water |
mmolO m-3 |
ioxy |
diags3d01 |
net primary production by nanophytoplankton |
mmolC m-3 day-1 |
|
diags3d02 |
net primary production by diatoms |
mmolC m-3 day-1 |
|
diags3d03 |
gross primary production small phytoplankton |
mmolC m-3 day-1 |
|
diags3d04 |
gross primary production diatoms |
mmolC m-3 day-1 |
|
diags3d05 |
net N-assimilation small phytoplankton |
mmolN m-3 day-1 |
|
diags3d06 |
net N-assimilation diatoms |
mmolN m-3 day-1 |
|
diags3d07 |
N-assimilation small phytoplankton |
mmolN m-3 day-1 |
|
diags3d08 |
N-assimilation diatoms |
mmolN m-3 day-1 |