Lead author; geologist at Lamont-Doherty Earth Observatory
Appears in 1 story
Published the Science study with colleagues
The last remnant of the ice sheet that once covered most of North America began growing again about 2,000 years ago — the early stage of a new glacial period. A study in Science shows the Barnes Ice Cap on Baffin Island expanded until around 1960, when rising summer temperatures reversed the growth.
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