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- Title
Consequences of powerful volcanic eruptions according to dendrochronological data.
- Authors
Kasatkina, E.; Shumilov, O.; Timonen, M.; Kanatjev, A.
- Abstract
For the first time we identify the peculiarities of the effect of the most powerful (VEI > 5) volcanic eruptions on the regional climate of the Murmansk region on the basis of Kola Peninsula dendrochronological data for a period of more than 560 years. The analysis was based on the tree-ring chronology covering the period from 1445 to 2005. This chronology was derived from Pinus sylvestris samples collected near the northern tree line at Loparskaya station (68°37′ N; 33°14′ E). The data were processed using modern techniques adopted in dendrochronology (cross dating and standardization). We reveal a significant decrease in the radial tree-ring growth over 8 years (on average) after the eruptions; then its value is restored to the normal level. This finding will help evaluate the response of the regional climate system to external climate forcings in this economically important region for Russia.
- Subjects
MURMANSK (Russia); VOLCANIC eruptions; DENDROCHRONOLOGY; SCOTS pine; LOPARSKAYA Station (Russia)
- Publication
Izvestiya, Atmospheric & Oceanic Physics, 2013, Vol 49, Issue 4, p432
- ISSN
0001-4338
- Publication type
Article
- DOI
10.1134/S0001433813040063