gsw_SA_from_rho_CT_exact

Absolute Salinity from density

Contents

USAGE:

SA = gsw_SA_from_rho_CT_exact(rho,CT,p)

DESCRIPTION:

Calculates the Absolute Salinity of a seawater sample, for given values
of its density, Conservative Temperature and sea pressure (in dbar). 
Note that this function uses the full Gibbs function.  There is an 
alternative to calling this function, namely gsw_SA_from_rho_CT(rho,CT,p),
which uses the computationally-efficient 48-term expression for density 
in terms of SA, CT and p (McDougall et al., 2011).
TEOS-10 
Click for a more detailed description of calculating the
Absolute Salinty from density.

INPUT:

rho =  density of a seawater sample (e.g. 1026 kg/m^3)        [ kg/m^3 ]
   Note. This input has not had 1000 kg/m^3 subtracted from it.
     That is, it is 'density', not 'density anomaly'.
CT  =  Conservative Temperature (ITS-90)                       [ deg C ]
p   =  sea pressure                                             [ dbar ]
       ( i.e. absolute pressure - 10.1325 dbar )
p may have dimensions 1x1 or Mx1 or 1xN or MxN, where SA is MxN.

OUTPUT:

SA  =  Absolute Salinity                                        [ g/kg ]

EXAMPLE:

rho = [1021.8482; 1022.2647; 1024.4207; 1027.7841; 1029.8287; 1031.9916;]
CT =  [  28.7856;   28.4329;   22.8103;   10.2600;    6.8863;    4.4036;]
p =   [       10;        50;       125;       250;       600;      1000;]
SA = gsw_SA_from_rho_CT_exact(rho,CT,p)
SA =
  34.711744962132940
  34.891394519876442
  35.025512596134583
  34.847096950195713
  34.736476658622792
  34.732297140137263

AUTHOR:

Trevor McDougall & Paul Barker                      [ help@teos-10.org ]

VERSION NUMBER:

3.01 (26th May, 2011)

REFERENCES: 

IOC, SCOR and IAPSO, 2010: The international thermodynamic equation of
 seawater - 2010: Calculation and use of thermodynamic properties.
 Intergovernmental Oceanographic Commission, Manuals and Guides No. 56,
 UNESCO (English), 196 pp.  Available from the TEOS-10 web site.
  See section 3.42 of this TEOS-10 Manual.
McDougall T.J., P.M. Barker, R. Feistel and D.R. Jackett, 2011:  A 
 computationally efficient 48-term expression for the density of 
 seawater in terms of Conservative Temperature, and related properties
 of seawater.  To be submitted to Ocean Science Discussions. 
The software is available from http://www.TEOS-10.org