!====================== include file "npzd.h" =========================
! variables for npzd model
! ntnpzd = number of npzd tracers
! nbio = number of npzd timesteps per ocean timestep
! trcmin = minimum tracer for flux calculations
! alpha = initial slope P-I curve [(W/m^2)^(-1)/day]
! kw = light attenuation due to water [1/m]
! kc = light attenuation by phytoplankton [1/(m*mmol m-3)]
! ki = light attenuation through sea ice & snow
! abio = maximum growth rate parameter [1/day]
! bbio = b
! cbio = [1/deg_C]
! k1n = half saturation constant for N uptake [mmol m-3]
! nup = specific mortality rate (Phytoplankton) [day-1]
! gamma1 = assimilation efficiency (zpk)
! gbio = maximum grazing rate at 0 deg C [day-1]
! nuz = quadratic mortality (zpk)
! nud0 = remineralization rate [day-1]
! LFe = Iron limitation
! wd = sinking speed of detritus [m day-1]
! ztt = depth to top of grid cell [cm]
! rkwz = reciprical of light attenuation times grid depth
! par = fraction of photosythetically active radiation
! dtnpzd = time step of biology
! capr = carbonate to carbon production ratio
! dcaco3 = remineralisation depth of calcite [cm]
! rcak = array used in calculating calcite remineralization
! rcab = array used in calculating bottom calcite remineralization
! nupt0 = specific mortality rate (Phytoplankton) [1/day]
! wd0 = sinking speed of detritus at surface [m/day]
! k1p = half saturation constant for P uptake
! jdiar = factor reducing the growth rate of diazotrophs
! redctn = C/N Redfield ratio (includes mol to mmol conversion)
! redctp = C/P Redfield ratio (includes mol to mmol conversion)
! redptn = P/N Redfield ratio
! redntp = N/P Redfield ratio
! redotn = O/N Redfield ratio (includes mol to mmol conversion)
! redotp = O/P Redfield ratio (includes mol to mmol conversion)
! rnbio = reciprical of nbio
! rdtts = reciprical of dtts [s-1]
! dtbio = npzd time step [s]
! rnpp = rate of net primary production [nmol cm-3 s-1]
! rgraz = rate of grazing [nmol cm-3 s-1]
! rmorp = rate of mortality of phytoplankton [nmol cm-3 s-1]
! rmorz = rate of mortality of zooplankton [nmol cm-3 s-1]
! rremi = rate of remineralization [nmol cm-3 s-1]
! rexcr = rate of excretion [nmol cm-3 s-1]
! rexpo = rate of export through the bottom [nmol cm-3 s-1]
! rnpp_D = npp for diazotraphs [nmol cm-3 s-1]
! rgraz_D = rgraz for diazotraphs [nmol cm-3 s-1]
! rmorp_D = rmorp for diazotraphs [nmol cm-3 s-1]
! rnfix = rate of nitrogen fixation [nmol cm-3 s-1]
! rdeni = rate of denitrification [nmol cm-3 s-1]
! kzoo = half saturation constant for Z grazing
! zprefP = Z preference for grazing on P
! zprefD = Z preference for grazing on Diaz
! zprefZ = Z preference for grazing on other Z
! zprefDet = Z preference for grazing on Detritus
! rgraz_Det = rate of grazing on Detritus [nmol cm-3 s-1]
! rgraz_Z = rate of grazing on other Zooplankton [nmol cm-3 s-1]
! geZ = growth efficiency of zooplankton
!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
! New diagnostic output
! ravej = light-dependant growth rate of P
! ravej_D = light-dependant growth rate of Diaz
! rgmax = temp-dependant growth rate of zoo
! rno3P = nitrate-dependant growth rate of P
! rpo4P = phosphate-dependant growth rate of P
! rpo4_D = phosphate-dependant growth rate of D
!
! fe_dissolved = dissolved iron concentration
! kfe = Fe limitation half saturation parameter
! kfe_D = Fe limitation half sat. param. for diaz.
!
!++++ Climate engineering ++++++++++++++
! kpipe = ocean pipe coordinate
! kpipe_fe = ocean pipe coordinate for fe limitation
!
integer ntnpzd, nbio
#if defined O_npzd_nitrogen
parameter (ntnpzd=6)
#else
parameter (ntnpzd=4)
#endif
common /npzd_i/ nbio(km)
real trcmin
parameter (trcmin=5e-12)
real alpha, kw, kc, ki, abio, bbio, cbio, k1n, nup, gamma1, gbio
real epsbio, nuz, gamma2, nud0, LFe, wd, ztt, rkwz, par, dtnpzd
real capr, dcaco3, rcak, rcab, nupt0, wd0, k1p, jdiar, redctn
real redctp, redptn, redntp, redotn, redotp, rnbio, rdtts, dtbio
real rnpp, rgraz, rmorp, rmorpt, rmorz, rremi, rexcr, rexpo
real rnpp_D, rgraz_D, rmorp_D, rnfix, rdeni, kzoo, zprefP
real zprefD, zprefZ, zprefDet, rgraz_Det, rgraz_Z, geZ, kfe
real ravej, ravej_D, rgmax, rno3P, rpo4P, rpo4_D, kfe_D, kpipe
real kpipe_fe
common /npzd_r/ alpha, kw, kc, ki, abio, bbio, cbio, k1n, nup
common /npzd_r/ gamma1, gbio, epsbio, nuz, nud0, LFe
common /npzd_r/ wd(km), ztt(km), rkwz(km), par, dtnpzd, capr
common /npzd_r/ dcaco3, rcak(km), rcab(km), nupt0, wd0, k1p
common /npzd_r/ jdiar, redctn, redctp, redptn, redntp, redotn
common /npzd_r/ redotp, rnbio(km), rdtts(km), dtbio(km), geZ
common /npzd_r/ kzoo, zprefP, zprefD, zprefZ, zprefDet, kfe, kfe_D
# if defined O_npzd_fe_limitation
real fe_dissolved
common /fe_dissolved/ fe_dissolved(imt,jmt,3,12)
#endif
#if defined O_save_npzd
common /npzd_r/ rnpp(imt,kpzd,jsmw:jemw)
common /npzd_r/ rgraz(imt,kpzd,jsmw:jemw)
common /npzd_r/ rmorp(imt,kpzd,jsmw:jemw)
common /npzd_r/ rmorpt(imt,kpzd,jsmw:jemw)
common /npzd_r/ rmorz(imt,kpzd,jsmw:jemw)
common /npzd_r/ rexcr(imt,kpzd,jsmw:jemw)
common /npzd_r/ rremi(imt,km,jsmw:jemw)
common /npzd_r/ rexpo(imt,km,jsmw:jemw)
common /npzd_r/ rgraz_Det(imt,kpzd,jsmw:jemw)
common /npzd_r/ rgraz_Z(imt,kpzd,jsmw:jemw)
# if defined O_npzd_nitrogen
common /npzd_r/ rnpp_D(imt,kpzd,jsmw:jemw)
common /npzd_r/ rgraz_D(imt,kpzd,jsmw:jemw)
common /npzd_r/ rmorp_D(imt,kpzd,jsmw:jemw)
common /npzd_r/ rnfix(imt,kpzd,jsmw:jemw)
common /npzd_r/ rdeni(imt,km,jsmw:jemw)
# if defined O_npzd_extra_diagnostics
common /npzd_r/ ravej(imt,kpzd,jsmw:jemw)
common /npzd_r/ ravej_D(imt,kpzd,jsmw:jemw)
common /npzd_r/ rgmax(imt,kpzd,jsmw:jemw)
common /npzd_r/ rno3P(imt,kpzd,jsmw:jemw)
common /npzd_r/ rpo4P(imt,kpzd,jsmw:jemw)
common /npzd_r/ rpo4_D(imt,kpzd,jsmw:jemw)
#endif
#endif
# if defined O_pipe_co2
common / npzd_r/ kpipe(imt,jsmw:jemw)
# if defined O_pipe_co2_with_fe
common / npzd_r/ kpipe_fe(imt,jsmw:jemw)
# endif
# endif
#endif