All functions

argfix()

Reshape list elements to match that of the first element

gsw

R implementation of Thermodynamic Equation Of Seawater - 2010 (TEOS-10)

gsw_CT_first_derivatives()

First Derivatives of Conservative Temperature

gsw_CT_first_derivatives_wrt_t_exact()

Derivatives of Conservative Temperature with Respect to or at Constant in-situ Temperature

gsw_CT_freezing()

Conservative Temperature of Freezing Seawater

gsw_CT_freezing_first_derivatives()

First Derivatives of Conservative Temperature for Freezing Water

gsw_CT_freezing_first_derivatives_poly()

First Derivatives of Conservative Temperature for Freezing Water (Polynomial version)

gsw_CT_freezing_poly()

Conservative Temperature Freezing Point (Polynomial version)

gsw_CT_from_enthalpy()

Conservative Temperature from Enthalpy

gsw_CT_from_entropy()

Conservative Temperature from Entropy

gsw_CT_from_pt()

Conservative Temperature from Potential Temperature

gsw_CT_from_rho()

Conservative Temperature from Density, Absolute Salinity and Pressure

gsw_CT_from_t()

Convert from temperature to conservative temperature

gsw_CT_maxdensity()

Conservative Temperature at Maximum Density

gsw_CT_second_derivatives()

Second Derivatives of Conservative Temperature

gsw_C_from_SP()

Electrical Conductivity from Practical Salinity

gsw_Fdelta()

Ratio of Absolute to Preformed Salinity, minus 1

gsw_Helmholtz_energy_ice()

Helmholtz Energy of Ice

gsw_IPV_vs_fNsquared_ratio()

Ratio of vert. gradient of pot. density to vert grad of locally-referenced pot density

gsw_Nsquared()

Calculate Brunt Vaisala Frequency squared

gsw_O2sol()

Oxygen Solubility in Seawater (GSW variables)

gsw_O2sol_SP_pt()

Oxygen Solubility in Seawater (UNESCO variables)

gsw_SAAR()

Absolute Salinity Anomaly Ratio

gsw_SA_freezing_from_CT()

Compute Absolute Salinity at Freezing Conservative Temperature

gsw_SA_freezing_from_CT_poly()

Compute Absolute Salinity at Freezing Point (Polynomial version)

gsw_SA_freezing_from_t()

Compute Absolute Salinity at Freezing in-situ Temperature

gsw_SA_freezing_from_t_poly()

Compute Absolute Salinity at Freezing in-situ Temperature (Polynomial version)

gsw_SA_from_SP()

Convert from Practical Salinity to Absolute Salinity

gsw_SA_from_SP_Baltic()

Convert from Practical Salinity to Absolute Salinity (Baltic)

gsw_SA_from_Sstar()

Absolute Salinity from Preformed Salinity

gsw_SA_from_rho()

Compute Absolute Salinity from Density, etc

gsw_SP_from_C()

Convert from Electrical Conductivity to Practical Salinity

gsw_SP_from_SA()

Convert from Absolute Salinity to Practical Salinity

gsw_SP_from_SK()

Calculate Practical Salinity from Knudsen Salinity

gsw_SP_from_SR()

Calculate Practical Salinity from Reference Salinity

gsw_SP_from_Sstar()

Practical Salinity from Preformed Salinity

gsw_SP_salinometer()

Practical Salinity from Salinometer Reading

gsw_SR_from_SP()

Calculate Reference Salinity from Practical Salinity

gsw_Sstar_from_SA()

Convert from Absolute Salinity to Preformed Salinity

gsw_Sstar_from_SP()

Convert from Practical Salinity to Preformed Salinity

gsw_Turner_Rsubrho()

Turner Angle and Density Ratio

gsw_adiabatic_lapse_rate_from_CT()

Adiabatic Lapse Rate

gsw_adiabatic_lapse_rate_ice()

Adiabatic Lapse Rate of Ice

gsw_alpha()

Thermal expansion coefficient with respect to Conservative Temperature

gsw_alpha_on_beta()

Thermal expansion coefficient over haline contraction coefficient

gsw_alpha_wrt_t_exact()

Thermal expansion coefficient with respect to in-situ temperature

gsw_alpha_wrt_t_ice()

Ice Thermal Expansion Coefficient with Respect to in-situ Temperature

gsw_beta()

Haline contraction coefficient at constant Conservative Temperature

gsw_beta_const_t_exact()

Haline contraction coefficient at constant in-situ temperature

gsw_cabbeling()

Cabbeling coefficient

gsw_chem_potential_water_ice()

Chemical Potential of Ice

gsw_chem_potential_water_t_exact()

Chemical Potential of Water in Seawater

gsw_cp_ice()

Specific heat to ice

gsw_cp_t_exact()

Isobaric heat capacity

gsw_deltaSA_from_SP()

Absolute Salinity Anomaly from Practical Salinity

gsw_dilution_coefficient_t_exact()

Dilution coefficient

gsw_dynamic_enthalpy()

Dynamic enthalpy of seawater (75-term equation)

gsw_enthalpy()

Specific enthalpy of seawater (75-term equation)

gsw_enthalpy_CT_exact()

Seawater Specific Enthalpy in terms of Conservative Temperature

gsw_enthalpy_diff()

Specific Enthalpy Difference with Pressure

gsw_enthalpy_first_derivatives()

First Derivatives of Enthalpy

gsw_enthalpy_first_derivatives_CT_exact()

First Derivatives of Enthalpy wrt CT

gsw_enthalpy_ice()

Ice Specific Enthalpy

gsw_enthalpy_second_derivatives()

Second Derivatives of Enthalpy

gsw_enthalpy_second_derivatives_CT_exact()

Second Derivatives of Enthalpy (exact)

gsw_enthalpy_t_exact()

Seawater Specific Enthalpy in terms of in-situ Temperature

gsw_entropy_first_derivatives()

First Derivatives of Entropy

gsw_entropy_from_pt()

Specific Entropy ito Absolute Salinity and Potential Temperature

gsw_entropy_from_t()

Specific Entropy i.t.o. Absolute Salinity, Temperature, and Pressure

gsw_entropy_ice()

Entropy of ice

gsw_entropy_second_derivatives()

Second Derivatives of Entropy

gsw_frazil_properties()

Properties of Frazil ice

gsw_frazil_properties_potential()

Properties of Frazil ice i.t.o. potential enthalpy

gsw_frazil_properties_potential_poly()

Properties of Frazil ice i.t.o. potential enthalpy (polynomial version)

gsw_frazil_ratios_adiabatic()

Ratios of SA, CT and p changes when Frazil Ice Forms

gsw_frazil_ratios_adiabatic_poly()

Ratios of SA, CT and p changes when Frazil Ice Forms (polynomial form)

gsw_geo_strf_dyn_height()

Geostrophic Dynamic Height Anomaly

gsw_geo_strf_dyn_height_1()

Geostrophic Dynamic Height Anomaly (provisional version)

gsw_geo_strf_dyn_height_pc()

Geostrophic Dynamic Height Anomaly (Piecewise-Constant Profile)

gsw_gibbs()

Gibbs Energy of Seawater, and its Derivatives

gsw_gibbs_ice()

Gibbs Energy of Ice, and its Derivatives

gsw_grav()

Gravitational Acceleration

gsw_ice_fraction_to_freeze_seawater()

Ice Fraction to Cool Seawater to Freezing

gsw_internal_energy()

Specific Internal Energy of Seawater (75-term equation)

gsw_internal_energy_ice()

Specific Internal Energy of Ice (75-term equation)

gsw_kappa()

Isentropic Compressibility of Seawater (75-term equation)

gsw_kappa_const_t_ice()

Isothermal Compressibility of Ice

gsw_kappa_ice()

Isentropic Compressibility of Ice

gsw_kappa_t_exact()

Isentropic compressibility of seawater (exact)

gsw_latentheat_evap_CT()

Latent heat of evaporation

gsw_latentheat_evap_t()

Latent heat of evaporation

gsw_latentheat_melting()

Latent Heat of Melting

gsw_melting_ice_SA_CT_ratio()

Calculate d(SA)/d(CT) for Ice Melting in Seawater

gsw_melting_ice_SA_CT_ratio_poly()

Calculate d(SA)/d(CT) for Ice Melting in Seawater (Polynomial version)

gsw_melting_ice_equilibrium_SA_CT_ratio()

Calculate d(SA)/d(CT) for Ice Melting in near-freezing Seawater

gsw_melting_ice_equilibrium_SA_CT_ratio_poly()

Calculate d(SA)/d(CT) for Ice Melting in near-freezing Seawater (Polynomial version)

gsw_melting_ice_into_seawater()

Calculate properties related to ice melting in seawater

gsw_melting_seaice_into_seawater()

Calculate properties related to seaice melting in seawater

gsw_p_from_z()

Pressure from height (75-term equation)

gsw_pot_enthalpy_from_pt_ice()

Potential Enthalpy of Ice

gsw_pot_enthalpy_from_pt_ice_poly()

Potential Enthalpy of Ice (Polynomial version)

gsw_pot_enthalpy_ice_freezing()

Potential Enthalpy of Ice at Freezing Point

gsw_pot_enthalpy_ice_freezing_first_derivatives()

First Derivatives of Potential Enthalpy

gsw_pot_enthalpy_ice_freezing_first_derivatives_poly()

First Derivatives of Potential Enthalpy (Polynomial version)

gsw_pot_enthalpy_ice_freezing_poly()

Potential Enthalpy of Ice at Freezing Point (Polynomial version)

gsw_pot_rho_t_exact()

Potential density

gsw_pressure_coefficient_ice()

Pressure Coefficient for Ice

gsw_pressure_freezing_CT()

Pressure at which Seawater Freezes

gsw_pt0_from_t()

Potential temperature referenced to the surface

gsw_pt0_from_t_ice()

Potential Temperature of Ice Referenced to the Surface

gsw_pt_first_derivatives()

First Derivatives of Potential Temperature

gsw_pt_from_CT()

Potential temperature from Conservative Temperature

gsw_pt_from_entropy()

Potential Temperature from Entropy

gsw_pt_from_pot_enthalpy_ice()

Potential Temperature from Potential Enthalpy of Ice

gsw_pt_from_pot_enthalpy_ice_poly()

Potential Temperature from Potential Enthalpy of Ice (Polynomial version)

gsw_pt_from_t()

Potential Temperature from in-situ Temperature

gsw_pt_from_t_ice()

Potential Temperature of Ice from in-situ Temperature

gsw_pt_second_derivatives()

Second Derivatives of Potential Temperature

gsw_rho()

In-situ density

gsw_rho_alpha_beta()

In-situ density, thermal expansion coefficient and haline contraction coefficient (75-term equation)

gsw_rho_first_derivatives()

Density First Derivatives wrt SA, CT and p (75-term equation)

gsw_rho_first_derivatives_wrt_enthalpy()

Density First Derivatives wrt enthalpy (75-term equation)

gsw_rho_ice()

In-situ density of ice

gsw_rho_second_derivatives()

Second Derivatives of Density

gsw_rho_second_derivatives_wrt_enthalpy()

Second Derivatives of Density wrt Enthalpy

gsw_rho_t_exact()

In-situ Density of Seawater

gsw_seaice_fraction_to_freeze_seawater()

Sea ice Fraction to Cool Seawater to Freezing

gsw_sigma0()

Potential density anomaly referenced to 0 dbar

gsw_sigma1()

Potential density anomaly referenced to 1000 dbar

gsw_sigma2()

Potential density anomaly referenced to 2000 dbar

gsw_sigma3()

Potential density anomaly referenced to 3000 dbar

gsw_sigma4()

Potential density anomaly referenced to 4000 dbar

gsw_sound_speed()

Sound speed

gsw_sound_speed_ice()

Sound speed in ice

gsw_sound_speed_t_exact()

Sound Speed in Seawater

gsw_specvol()

Specific Volume of Seawater

gsw_specvol_alpha_beta()

Specific Volume, alpha, and beta

gsw_specvol_anom_standard()

Specific volume anomaly [standard] (75-term equation)

gsw_specvol_first_derivatives()

First Derivatives of Specific Volume

gsw_specvol_first_derivatives_wrt_enthalpy()

First Derivatives of Specific Volume wrt Enthalpy

gsw_specvol_ice()

Specific Volume of Ice

gsw_specvol_second_derivatives()

Second Derivatives of Specific Volume

gsw_specvol_second_derivatives_wrt_enthalpy()

Second Derivatives of Specific Volume wrt Enthalpy

gsw_specvol_t_exact()

Specific Volume of Seawater

gsw_spiciness0()

Seawater Spiciness at p=0 dbar

gsw_spiciness1()

Seawater Spiciness at p=1000 dbar

gsw_spiciness2()

Seawater Spiciness at p=2000 dbar

gsw_t_deriv_chem_potential_water_t_exact()

Derivative of Chemical Potential of Water in Seawater wrt Temperature

gsw_t_freezing()

Freezing Temperature of Seawater

gsw_t_freezing_first_derivatives()

Derivatives of Freezing Water Properties

gsw_t_freezing_first_derivatives_poly()

Derivatives of Freezing Water Properties (Polynomial version)

gsw_t_from_CT()

In situ temperature from Conservative Temperature

gsw_t_from_pt0_ice()

In situ Temperature from Potential Temperature at 0dbar

gsw_thermobaric()

Thermobaric coefficient (75-term equation)

gsw_z_from_p()

Height from Pressure

saar

Global SA lookup file