gsw_specvol
specific volume (48-term equation)
Contents
USAGE:
specvol = gsw_specvol(SA,CT,p)
DESCRIPTION:
Calculates specific volume from Absolute Salinity, Conservative
Temperature and pressure, using the computationally-efficient 48-term
expression for density (McDougall et al., 2011).
INPUT:
SA = Absolute Salinity [ g/kg ]
CT = Conservative Temperature [ deg C ]
p = sea pressure [ dbar ]
(ie. absolute pressure - 10.1325 dbar)
SA & CT need to have the same dimensions.
p may have dimensions 1x1 or Mx1 or 1xN or MxN, where SA and CT are MxN.
OUTPUT:
specvol = specific volume [ kg/m^3 ]
EXAMPLE:
SA = [34.7118; 34.8915; 35.0256; 34.8472; 34.7366; 34.7324;]
CT = [28.8099; 28.4392; 22.7862; 10.2262; 6.8272; 4.3236;]
p = [ 10; 50; 125; 250; 600; 1000;]
specvol = gsw_specvol(SA,CT,p)
specvol =
1.0e-003 *
0.978626363206202
0.978221861206179
0.976154716658432
0.972960929615236
0.971026743358570
0.968990291993136
AUTHOR:
Trevor McDougall and Paul Barker [ help@teos-10.org ]
VERSION NUMBER:
3.01 (16th 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 Eqn. (2.7.2) 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