sw_kappa {marelac}

Isentropic Compressibility of Seawater

Description

Computes the seawater isentropic compressibility, 1/bar

Usage

sw_kappa(S = 35, t = 25, p = P-1.013253, P = 1.013253)

Arguments

S

Salinity (dimensionless),

t

Temperature, ^\circC,

p

gauge or applied pressure, pressure referenced against the local atmospheric pressure, bar

P

true pressure, bar

Value

Isentropic compressibility, 1/bar

Author(s)

Karline Soetaert <[e-mail]>

References

Feistel R, 2008. A Gibbs function for seawater thermodynamics for -6 to 80 dgC and salinity up to 120 g/kg. Deep-Sea Research I, 55, 1639-1671.

McDougall TJ, Feistel R, Millero FJ, Jackett DR, Wright DG, King BA, Marion GM, Chen C-T A and Spitzer P, 2009. Calculation of the Thermophysical Properties of Seawater, Global Ship-based Repeat Hydrography Manual, IOCCP Report No. 14, ICPO Publication Series no. 134.

See Also

sw_adtgrad, sw_alpha, sw_beta, sw_comp, sw_conserv, sw_cp, sw_dens, sw_depth, sw_enthalpy, sw_entropy, sw_gibbs, sw_kappa_t, sw_sfac, sw_svel, sw_tfreeze, sw_tpot

convert_PStoAS, to convert from practical salinity (-) to absolute salinity (g/kg)

Examples

sw_kappa(35.7, 25.5, 102.3) #4.03386268546478e-6