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Estimates of when herbivorous dinosaurs traversed North America to reach Greenland have been refined, and the study reveals how a dip in atmospheric CO<sub>2</sub> may have helped them along the journey.
Climate Change Could Have Helped Dinosaurs Migrate from South America to Greenland
Written by AZoCleantechFeb 16 2021
A new article has refined the estimates of when herbivorous or plant eating dinosaurs could have crossed North America on a northerly journey to reach Greenland, and pointed out an interesting climatic occurrence that could have aided these animals along the voyage.
A cliff in Jameson Land Basin in central East Greenland, the northernmost site where sauropodomorph fossils are found. The labels point out several series of layers that helped the researchers precisely date the oldest sauropodomorph fossils in North America. Image Credit: Lars Clemmensen.
The new evidence rewrites the timeline of dinosaurs’ migration across two continents.
A cliff in Jameson Land Basin in central East Greenland, the northernmost site where sauropodomorph fossils are found. The labels point out several series of layers that helped the researchers precisely date the oldest sauropodomorph fossils in North America. (Photo by Lars Clemmensen)
(CN) Scientists have discovered new evidence indicating a massive dip in atmospheric carbon dioxide enabled dinosaurs to migrate from South America to Greenland.
In their study, published Monday in the journal Proceeding of the National Academy of Sciences, Dennis Kent, an adjunct research scientist at Columbia University’s Lamont-Doherty Earth Observatory, and Lars Clemmensen from the University of Copenhagen discuss their findings and likely theories.