CESM3.0a MARBL Namelist Definitions

Value of power loss exponent for autotrophs

MARBL will abort if abs(1 - sum(bot_flux_to_tend)) exceeds this threshold

maximum bury fraction for bSi

Running mean time scale for bury coefficients

Threshold depth for CaCO3 burial when opt = 'fixed_depth'

omega calcite threshold for CaCO3 burial when opt = 'omega_calc'

Option for threshold of CaCO3 burial

Option for which biological fractionation calculation to use

Control which portions of the carbon isotope code are executed (useful for debugging)

Scale factor for converting fesedflux to dust%prod

Scale factor for converting feventflux to dust%prod

Fraction of spCaCO3 grazing which is remineralized in zooplankton guts

Fe:kFe ratio threshold in uptake ratio computations

Si:kSi ratio threshold in uptake ratio computations

initial Si/C ratio for growth

max Si/C ratio for growth

min Si/C ratio for growth

MARBL will abort if abs(Jint_Ctot) exceeds this threshold

Control whether derivative diagnostics are computed in abiotic surface flux (useful for Newton-Krylov)

Control if bury coefficients are adjusted (rather than constant)

Control whether consistency checks are performed on forcing input (useful for debugging)

Control if NHx emissions are computed

If .false., MARBL will recommend truncating the column for some diagnostics

Run CO2 gas flux portion of the code

Run O2 gas flux portion of the code

Apply o2_consumption_scalef to o2 consumption (and request it as a forcing)

Apply p_remin_scalef to particulate remin (and request it as a forcing)

Control which portions of code are executed (useful for debugging)

Control if NtoC ratios in autotrophs vary

Control if PtoC ratios in autotrophs vary

o2_scalefactor is applied to diss length scales for O2 less than this

o2_scalefactor is constant for O2 less than this

o2_scalefactor constant for O2 less than o2_sf_o2_range_lo

Base CaCO3 dissolution length scale

CaCO3 gamma (fraction of production -> hard subclass)

Fraction of sp production as CaCO3 production

Fraction of Fe flux that is bioavailable

Desorption rate for scavenged Fe from particles

Scavenging base rate for Fe

Scavenging base rate for bound iron

hPOC to CaCO3 ratio

hPOC to dust ratio

hPOC to SiO2 ratio

Initial scale factor for burial of bSi

Initial scale factor for burial of POC

Initial scale factor for burial of POP

Nitrification inverse time constant

Fraction of loss to DOC that is routed directly to DIC

Fe-binding ligand bacterial degradation base rate coefficient

Scavenging base rate for bound ligand

PAR limit for nitrification

Minimum O2 needed for production and consumption

Width of minimum O2 range

Base POC dissolution length scale

Prescribed scale length values

Depths of prescribed scale length values

Global scaling factor for sed_denitrif

Base SiO2 dissolution length scale

SiO2 gamma (fraction of production -> hard subclass)

reference depth for particulate flux diagnostics

Define how PFTs are initialized

maximum bury fraction for POM

Scale factor applied to POC burial coefficient to compute PON burial coefficient

Max CaCO3/C ratio for calcifiers

Value of power loss exponent for zooplankton

Source of initial burial coefficient

Dissolved carbon:phosphorus Redfield Ratio

Dissolved nitrogen:phosphorus Redfield Ratio

iron:carbon Redfield Ratio

Dissolved oxygen:phosphorus Redfield Ratio for Remineralization

Number of autotroph classes

Number of grazer prey classes

Number of zooplankton classes

Maximum agg rate

Minimum agg rate

Initial slope of P_I curve (GD98)

Activation energy for Arrhenius equation

Control whether this autotroph explicitly handles calcification

Fe threshold in uptake ratio computations

Maximum Fe/C ratio for growth

Minimum Fe/C ratio for growth

Maximum N/C ratio for growth

Minimum N/C ratio for growth

Maximum P/C ratio for growth

Minimum P/C ratio for growth

Control whether this autotroph implicitly handles calcification

Control whether this autotroph is carbon limited

CO2 uptake half-sat constant

DOP uptake half-sat constant

Fe uptake half-sat constant

NH4 uptake half-sat constant

NO3 uptake half-sat constant

PO4 uptake half-sat constant

SiO3 uptake half-sat constant

Long name of this autotroph

Routing of loss term

concentration where losses go to zero

concentration where losses go to zero

Quadratic mortality rate

Linear mortality rate

Control whether this autotroph fixes nitrogen

N threshold in uptake ratio computations

Maximum C-spec growth rate at Tref

PO4 threshold in uptake ratio computations

P/C ratio when using fixed P/C ratios

Control whether this autotroph is a silicifier

Si threshold in uptake ratio computations

Short name of this autotroph

Option for the temperature scaling functional form for this autotroph

Temperature where concentration threshold and photosynthesis rate drop

Maximum thetaN (Chl / N)

Indices of autotrophs being grazed

Number of autotrophs being grazed

Fraction of zoo losses to detrital

Routing of grazed term, remainder goes to DIC

Routing of grazed term, remainder goes to DIC

Routing of grazed term, remainder goes to DIC

Functional form of grazing parameterization

Long name of this grazing relationship

Short name of this grazing relationship

Grazing coefficient

Maximum zooplankton growth rate at Tref

Indices of zooplankton being grazed

Number of zooplankton being grazed

Basal respiration rate

Activation energy for Arrhenius equation

Long name of this zooplankton

Concentration where losses go to zero

Short name of this zooplankton

Option for the temperature scaling functional form for this zooplankton

Quadratic mortality rate

Linear mortality rate

Tracer names for tracers that are restored

Control whether abiotic carbon tracer module is active

Control whether the base ecosystem tracer module is active

Control whether CISO tracer module is active