Prescireb Burning Photos

These photos are from the prescribed burning in the Mänttä (20 km north-east, from the SMEAR II) in mid July 2007. More detailed explanation is in the captions. Photos are taken by professor Pertti Hari.

Fig. 1. The ignition was started under the wind about 15:00.
  

Fig 2. The ignition proceeds very slowly to both directions in horse-shoe-like shape (16:15).
  

Fig 3. The ignited edges start to take horse-shoe-like shape (16:30)
  

Fig. 4. The ignited edges form are nearly closed and fire is proceeding also from the wind direction. (17:45)

Fig. 5 (17:45)

Fig 6. The meeting two fire fronts from the wind direction and under the wind direction form quite an amount of burning gases (17:45).
  

Fig. 7. The site is burned at 19:00.