Instrumentation

Dual Prop-vane anemometers (top yard-arm), 2D sonic anemometer and siphon rain gauge (both port-side lower yard-arm) on RV Investigator foremast.
Dual Prop-vane anemometers (top yard-arm), 2D sonic anemometer and siphon rain gauge (both port-side lower yard-arm) on RV Investigator foremast.
Long- and short-wave radiation sensors mounted on disk on RV Investigator, port side above bridge.
Long- and short-wave radiation sensors mounted on disk on RV Investigator, port side above bridge.

On the Southern Surveyor and Investigator the following instruments are deployed –  Prop-vane anemometer (RM Young 05106), 2-D sonic anemometer (Gill WindObserverII), Air temperature & humidity (Vaisala HMT33), siphon rain gauge (RM Young 50202), optical rain gauge (OSi ORG-815),  short-wave radiation (Eppley PSP), long-wave radiation (Eppley PIR), air pressure (vaisala), sea surface temperature (SeaBird).

On the Aurora Australis the flowing is used – Prop-vane anemometer (RM Young 05106), Air temperature & humidity (Vaisala HMT33), siphon rain gauge (RM Young 50202), optical rain gauge (OSi ORG-815),  short-wave radiation (Eppley PSP), long-wave radiation (Eppley PIR), air pressure (vaisala), sea surface temperature (SeaBird).

On Tanagroa the following is used - AWS (wind speed and direction, air temperature, relative humidity, air pressure) and long-wave and short-wave radiation sensors (Eppley PIR and PSP) and precipitation sensor (RM Young siphon gauge).