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Update marbl_ciso_surface_flux_mod.F90 #465

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Update marbl_ciso_surface_flux_mod.F90 #465

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4abf0d5
Update marbl_ciso_surface_flux_mod.F90
jlinmod Jul 18, 2024
3968707
Update marbl_ciso_surface_flux_mod.F90 9-19-24
jlinmod Sep 19, 2024
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8 changes: 4 additions & 4 deletions src/marbl_ciso_surface_flux_mod.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -77,16 +77,16 @@ subroutine marbl_ciso_surface_flux_compute(&

real (r8), dimension(num_elements) :: &
eps_aq_g_surf, & ! equilibrium fractionation (CO2_gaseous <-> CO2_aq)
alpha_aq_g_surf, & ! alpha_xxx_g_surf => eps = ( alpa -1 ) * 1000
alpha_aq_g_surf, & ! alpha_xxx_g_surf => eps = ( alpha -1 ) * 1000
eps_dic_g_surf, & ! equilibrium fractionation between total DIC and gaseous CO2
alpha_dic_g_surf, & ! alpha_xxx_g_surf => eps = ( alpa -1 ) * 1000
alpha_dic_g_surf, & ! alpha_xxx_g_surf => eps = ( alpha -1 ) * 1000
frac_co3, & ! carbonate fraction fCO3 = [CO3--]/DIC
alpha_aq_g_surf_14c, & ! for 14C, with fractionation being twice as large for 14C than for 13C
alpha_dic_g_surf_14c ! for 14C, with fractionation being twice as large for 14C than for 13C

! local parameters for 13C, Zhang et al, 1995, Geochim. et Cosmochim. Acta, 59 (1), 107-114
real(r8) :: &
alpha_k, & ! eps = ( alpa -1 ) * 1000
alpha_k, & ! eps = ( alpha -1 ) * 1000
alpha_k_14c ! for 14C, with fractionation being twice as large for 14C than for 13C

! kinetic fraction during gas transfer (per mil) (air-sea CO2 exchange)
Expand Down Expand Up @@ -150,7 +150,7 @@ subroutine marbl_ciso_surface_flux_compute(&

!-----------------------------------------------------------------------
! individal discrimination factor of each species with respect to
! gaseous CO2, temperature dependent, based on Zhang et al. 95
! gaseous CO2, temperature dependent, based on Zhang et al. 1995
!-----------------------------------------------------------------------
eps_aq_g_surf(:) = 0.0049_r8 * sst(:) - 1.31_r8

Expand Down