Arctic Island Was 5-6C Warmer 9,000 Years Ago | Climate Dispatch:"Zhokhov Island in the Siberian High Arctic today exhibits inhospitably severe climate conditions, desolate tundra, and year-round pack ice in the surrounding sea.
During the Early Holocene, this same island was warm enough to host waterfowl species, birch trees, and year-round human residents who hunted polar bear and reindeer.
I. Zhokhov Island Today: A Frozen Wasteland..
II. Zhokhov Island Early Holocene: Warm, Teeming With Life
...The island’s human inhabitants hunted polar bear and reindeer with blades made of raw materials (obsidian) gleaned from long-distance regional trading networks (Pitulko et al., 2019). Zhokhov was at least 5 to 6°C warmer than today between 10,000 and 9000 years ago (Makeyev et al., 2003), or when CO2 concentrations hovered around 260 ppm.
III. The Early Holocene Arctic Was 4-7°C Warmer Than Today..."
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