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Blue rings in Arctic trees expose a 150-year log of climate chaosHow extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees ...
Spring Hill also had a mix of signees on Wednesday, including football standouts Trevor Allen (Northwestern State University) ...
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Curious blue rings in trees and shrubs reveal cold summers of the past—potentially caused by volcanic eruptionsThe scientists sampled cores from 25 Scots pine trees and stem-base disks from 54 common juniper shrubs at a site high on the treeline of Mount Iškoras in northern Norway. The team cross ...
Scientists studying tree rings in northern Norway have linked ‘blue’ rings, caused by cold summers, to volcanic eruptions ...
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