Science
Zealandia Switch may be the missing link in understanding ice age climates – EurekAlert
Abrupt shifts of the Southern Hemisphere westerly winds, paced by subtle variations in Earth’s orbit, lie at the heart of ice age cycles, according to an international…
IMAGE: Moraines constructed during repeated advance-retreat cycles of one of the glaciers that extended out from the Southern Alps in New Zealand during the last ice age. Around 18,000 years ago,…
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Credit: Photo courtesy of Aaron Putnam
Orono, Maine — The origins of ice age climate changes may lie in the Southern Hemisphere, where interactions among the westerly wind system, the Southern Ocean and the tropical Pacific can trigger rapid, global changes in atmospheric temperature, according…
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