NASA / FLUXNET Finland’s Hyytiälä Forest, where researchers collected field measurements.
University of Washington - Pine forests are especially magical places for atmospheric chemists. Coniferous trees give off pine-scented vapors that form particles, very quickly and seemingly out of nowhere. New research by German, Finnish and U.S. scientists elucidates the process by which gas wafting from coniferous trees creates particles that can reflect sunlight or promote cloud formation, both important climate feedbacks. The study is published Feb. 27 in Nature. "In many forested regions, you can go and observe particles apparently form from thin air. They're not emitted from anything, they just appear,” said Joel Thornton , a University of Washington associate professor of atmospheric sciences and second author on the paper.
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