TITLE

Climate change impacts on forest fire potential in boreal conditions in Finland

AUTHOR(S)
Kilpeläinen, Antti; Kellomäki, Seppo; Strandman, Harri; Venäläinen, Ari
PUB. DATE
December 2010
SOURCE
Climatic Change;Dec2010, Vol. 103 Issue 3/4, p383
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The aim of this work was to study the forest fire potential and frequency of forest fires under the projected climate change in Finland (N 60°-N 70°). Forest fire index, generally utilized in Finland, was used as an indicator for forest fire potential due to climatological parameters. Climatic scenarios were based on the A2 emission scenario. According to the results, the forest fire potential will have increased by the end of this century; as a result of increased evaporative demand, which will increase more than the rise in precipitation and especially in southern Finland. The annual number of forest fire alarm days is expected to increase in southern Finland to 96-160 days by the end of this century, compared to the current 60-100 days. In the north, the corresponding increase was from 30 to 36 days. The expected increase in the annual frequency of forest fires over the whole country was about 20% by the end of this century compared to the present day. The greatest increase in the frequency of fires, per 1,000 km, was in the southernmost part of the country, with six to nine fires expected annually per 1,000 km at the end of this century, meaning a 24-29% increase compared to the present day frequencies.
ACCESSION #
55023985

 

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