mom_eos_linear::calculate_spec_vol_linear subroutine subroutine mom_eos_linear::calculate_spec_vol_linear::calculate_spec_vol_scalar_linear (T, S, pressure, specvol, Rho_T0_S0, dRho_dT, dRho_dS, spv_ref) calculate_spec_vol_scalar_linear T T S S pressure pressure specvol specvol Rho_T0_S0 Rho_T0_S0 dRho_dT dRho_dT dRho_dS dRho_dS spv_ref spv_ref This subroutine computes the in situ specific volume of sea water (specvol in [m3 kg-1]) from salinity (S [PSU]), potential temperature (T [degC]) and pressure [Pa], using a trivial linear equation of state for density. If spv_ref is present, specvol is an anomaly from spv_ref. t potential temperature relative to the surface [degC]. s Salinity [PSU]. pressure Pressure [Pa]. specvol In situ specific volume [m3 kg-1]. rho_t0_s0 The density at T=0, S=0 [kg m-3]. drho_dt The derivatives of density with temperature [kg m-3 degC-1]. drho_ds The derivatives of density with salinity [kg m-3 ppt-1]. spv_ref A reference specific volume [m3 kg-1]. subroutine subroutine mom_eos_linear::calculate_spec_vol_linear::calculate_spec_vol_array_linear (T, S, pressure, specvol, start, npts, Rho_T0_S0, dRho_dT, dRho_dS, spv_ref) calculate_spec_vol_array_linear T T S S pressure pressure specvol specvol start start npts npts Rho_T0_S0 Rho_T0_S0 dRho_dT dRho_dT dRho_dS dRho_dS spv_ref spv_ref This subroutine computes the in situ specific volume of sea water (specvol in [m3 kg-1]) from salinity (S [PSU]), potential temperature (T [degC]) and pressure [Pa], using a trivial linear equation of state for density. If spv_ref is present, specvol is an anomaly from spv_ref. t potential temperature relative to the surface [degC]. s Salinity [PSU]. pressure Pressure [Pa]. specvol in situ specific volume [m3 kg-1]. start the starting point in the arrays. npts the number of values to calculate. rho_t0_s0 The density at T=0, S=0 [kg m-3]. drho_dt The derivatives of density with temperature [kg m-3 degC-1]. drho_ds The derivatives of density with salinity [kg m-3 ppt-1]. spv_ref A reference specific volume [m3 kg-1]. Compute the specific volume of sea water (in m^3/kg), or its anomaly from a reference value, using a simple linear equation of state from salinity (in psu), potential temperature (in deg C) and pressure [Pa]. mom_eos_linear::calculate_spec_vol_linearcalculate_spec_vol_array_linear mom_eos_linear::calculate_spec_vol_linearcalculate_spec_vol_scalar_linear