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Tuz Golu Campaign Blog

Tuz Golu Campaign Blog

Site Measurements - Day Two 18/08/10

Day two arrived with the participants knowing which of the sites they were going to measure as this had been decided the night before in the hotel. Slightly cloudy conditions greeted the teams when they arrived at the salt lake with lots of high cirrus clouds. This can make the downwelling radiance vary quite a lot. Ideally these measurements should be made in stable conditions.

 

South African and Brazilian scientists measuring the site The French team from ONERA

 

Seven sites were measured today with the overpass of satellite Landsat 5 at 08:17:15 UTC of particular interest to a number of the teams.
  

GRASS measuring reflectance panel

 

The GRASS instrument was finally up an running after a number of minor problems. It is now able to provide data on the BRDF (Bi-directional Reflectance Distribution Function) of the salt lake. This data is very useful for scientists involved in satellite calibration.

The feedback from the teams was that today was more successful in terms of data collection, although some did complain about the heat! Unfortunately there isn't much we can do about that.