seacarb (version 1.2.1)

phinsi: pH at in situ temperature

Description

pH at in situ temperature

Usage

phinsi(PH=8.2, ALK=2.4e-3, Tinsi=20, Tlab=25, S=35, k1k2='r', phflag=0)

Arguments

PH

pH measured in the laboratory

ALK

ALK, total alkalinity (mol/kg)

Tinsi

In situ temperature in degrees Celsius

Tlab

Measurement temperature in degrees Celsius

S

Salinity

k1k2

"r" for using K1 and K2 from Roy et al. and "m" for using K1 and K2 from Mehrbach,

phflag

The pH scale is either the total scale (0) or the free scale (1), default is 0

Value

• pH
  pH at in situ temperature

encoding

latin1

References

Hunter K. A., 1998. The temperature dependence of pH in surface seawater. Deep-Sea Research (Part I, Oceanographic Research Papers) 45(11):1919-1930.

Examples

phinsi(8.2,2.4e-3,25,25,35,"r",0)