Prescribed Burning
The prescribed burning experiment was conducted in the morning of 26.6.2009. The time of ignition () was 08:45 (GMT +3), the flaming was over () at 11:00 and there were only couple of visible smokes at 14:00.
The wind direction was favourable (175 - 215°) for steering the smoke to the SMEAR II only during the start of the experiment and the again during the late phase of the experiment when the flames were of but there was still plenty of smoke (, ). In the end, the better time for the ignition would have been 12:00, but this wasn't the case according to the forecasts.
In addition to SMEAR II's measurements there was meteorological and ecological measurements on and around the site. There was also a highly sophisticated aerosol measurements in the moving van and some people walking around with portable aerosol particle counters. The most eye catching measurement was the aeroplane () which was equipped with different kind of aerosol counters, gas analyzers and meteorological sensors.
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10:38 (GMT+3), edges of the area are closed with the fire, and the amount of smoke is maximum.
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View from aeroplane at 09:09 (GMT+3)
More Details
Photos
Clear cut 06 - 07.02.2009
Photos from the similar burning nearby
Pre Measurements
Video (200MB) of the Burning
Soil Temperatures during and after the burning