Observation emerges from the analysis of annual growth rings from Yamal’s subfossil trees The north of Western Siberia is recording the warmest summers of the last 7,000 years. While for several millennia the temperature of the region was following a general cooling, in the 19th century there has been an abrupt change with rapidly rising temperature that has reached its highest value in the recent decades. These findings were published in Nature Communications. Over 40 years, dendrochronologists have collected more than 5,000 samples of subfossil trees in Yamal. Photo credit: Vladimir Kukarskih Thanks to multiple field expeditions aimed at collecting subfossil wood performed over the last 40 years, dendrochronologists of the Institute of Plant and Animal Ecology, Ural Branch of t...
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