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Rising temperatures enabled peatland formation at the end of the last ice age

Rising temperatures enabled peatland formation at the end of the last ice age

Science
April 16 (UPI) -- New research suggests periods of global warming during the last ice age encouraged the formation of peatlands.Researchers began by designing a computer model to simulate local climate patterns during the last 26,000 years. The last ice age reached its glacial maximum between 26,000 and 22,000 years ago, after which glaciers began to retreat.Scientists also created a timeline of peatland formation using radiocarbon dating peat samples collected in North America, northern Europe and Patagonia. When they compared their timeline with their model's simulations, they found higher local summer temperatures, not increased rainfall, accurately predicted peatland formation."This work helps explain the genesis of one of the world's most important ecosystem types and its potentially ...