Thursday, August 5, 2021
Home Climate411 Researchers discover a new tool for reconstructing ancient sea ice

Researchers discover a new tool for reconstructing ancient sea ice

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In a study published in Nature Communications, the researchers show that an organic molecule often found in high-latitude ocean sediments, known as tetra-unsaturated alkenone (C37:4), is produced by one or more previously unknown species of ice-dwelling algae. As sea ice concentration ebbs and flows, so do the algae associated with it, as well as the molecules they leave behind.

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