either salinity [PSU] (in which case
temperature and pressure must be provided) or
a ctd object (in which case salinity,
temperature and pressure ar
temperature
in-situ temperature [$^\circ$C]
Value
Viscosity of seawater in $Pa\cdot s$. Divide by density to get kinematic viscosity in $m^2/s$.
Details
If the first argument is a ctd object, then salinity,
temperature and pressure values are extracted from it, and used for
the calculation.
The result is determined from a regression of the data provided in
Table 87 of Dorsey (1940). The fit matches the table to within 0.2
percent at worst, and with average absolute error of 0.07 percent. The
maximum deviation from the table is one unit in the last decimal
place.
No pressure dependence was reported by Dorsey (1940).
References
N. Ernest Dorsey (1940), Properties of ordinary
Water-substance, American Chemical Society Monograph Series. Reinhold
Publishing.