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Role of Climate Change in Siberian Forest Fires Explored
The massive fire of 2003 had destroyed 38000 km2 of the region's woodlands and the thick smoke plumes caused air pollution as far as in the United States.
Now, an international team of scientists led by Professor Heiko Balzter of the Department of Geography at the University of Leicester have found that Siberian fires are influenced by climate change.
"Last century a typical forest in Siberia had about 100 years after a fire to recover before it burned again. But new observations by Russian scientist Dr Kharuk have shown that fire now returns more frequently, about every 65 years. At the same time annual temperatures in Siberia have risen by almost two degrees Celsius, about twice as fast as the global average. And since 1990 the warming of Siberia has become even faster than before," said Prof. Balzter.
Scientists have known for sometime that global warming leads to warmer springs and causes plants to green up earlier. While this has been observed in the UK, scientists recently found the same occurring in Russia, as well.
The scientists observed 18 years of satellite images of the region, and estimated the timing of the onset and end of the growing season, when the snow has melted and the plants take up carbon from the air during plant growth.
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