Instrument: Water Temperature Sensor
General term for an instrument that measures the temperature of the water with which it is in contact (thermometer).
Specifically, spectrophotometric pH was determined as per SOP6 and total alkalinity was measured using an open cell titrator as outlined in SOP3b. As described in Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to Best Practices for Ocean CO2 Measurements. PICES Special Publication 3, 191 pp.