Compute Absolute Salinity at Freezing Conservative Temperature
gsw_SA_freezing_from_CT(CT, p, saturation_fraction = 1)
Conservative Temperature [ degC ]
sea pressure [dbar], i.e. absolute pressure [dbar] minus 10.1325 dbar
fraction of air in water [unitless]
Absolute Salinity [ g/kg ]
This R function uses a wrapper to a C function
contained within the GSW-C system as updated 2021-03-27
with git commit 'f7bfebf44f686034636facb09852f1d5760c27f5'.
In turn, that C function uses data from the
file provided in the GSW-Matlab source code, version 3.06-11.
Unfortunately, this version is no longer displayed on the
TEOS-10.org website. Therefore, in the interests of making
GSW-R be self-contained, a copy was downloaded from
on 2021-0706, the .mat file was stored in
the developer/create_data directory of
https://github.com/TEOS-10/GSW-R, and then the dataset
used in GSW-R was created based on that .mat file.
Please consult http://www.teos-10.org to learn more about
the various TEOS-10 software systems.
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CT <- c(-0.11901, -0.15608, -0.72138, -1.97738, -2.31728, -2.56764) p <- c( 10, 50, 125, 250, 600, 1000) saturation_fraction <- 1 SA <- gsw_SA_freezing_from_CT(CT, p, saturation_fraction) stopifnot(all.equal(SA, c(2.280500648179144, 2.416867651098550, 11.973503162175106, 32.868973869711390, 34.017513292374431, 32.859871943514150)))
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