PRISM-19
Lake Calibration
Project Overview
The in-flight calibration check is accomplished by flying over a water body and ground stations. Lake Wyangan (Figure 4-8) will be used as the cold in-flight calibration target of P-/L-/K-band radiometers. Given the relatively small size of the water storage, the aircraft will be flown at the lowest permissible altitude (500ft) within the lake boundary along a distance of around 1 km.
Ground
requirements for over-water flights include monitoring of the
water temperature and salinity within the top 1 cm layer of water.
Both quantities will be monitored continuously during the campaign
using a UNIDATA 6536B® temperature and salinity sensor connected
to a logger, located at 146°1.32’ E and 34°13.14’ S at Lake
Wyangan. Furthermore, transects of water temperature and salinity
in the top 1 cm layer will be undertaken with a handheld
temperature and salinity meter (Hydralab Quanta®) at the start and
end of PRISM campaign (see Figure 4-). This will involve making
northsouth and east-west transects at 100 m spacing centred on the
monitoring station. The purpose of these measurements is to check
for spatial variability.
