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Study Finds 6⁰C Cooling on Land during the Last Ice Age, With Implications about Future Global Warming


Study Finds 6⁰C Cooling on Land during the Last Ice Age, With Implications about Future Global Warming
Ancient groundwater flows from a well in the North China plain during a field campaign in 2004 to measure noble gases to reconstruct past temperature. (Photo credit: Werner Aeschbach)
Newswise Woods Hole, Mass. (May 12, 2021) Low-to-mid latitude land surfaces at low elevation cooled on average by 5.8 ± 0.6⁰C during the Last Glacial Maximum (LGM), based on an analysis of noble gases dissolved in groundwater, according to a new study published in
Temperature estimates in the study are substantially lower than indicated by some notable marine and low-elevation terrestrial studies that have relied on various proxies to reconstruct past temperatures during the LGM, a period about 20,000 years ago that represents the most recent extended period of globally stable climate that was substantially cooler than present. ....

New York , United States , Baden Wüberg , Woods Hole , Cape Cod , Alanm Seltzer , Jeffrey Severinghaus , Alan Seltzer , Werner Aeschbach , Jeffreyp Severinghaus , Martin Stute , Justint Kulongoski , Rolf Kipfer , Swiss Federal Institute Technology , Institute Of Biogeochemistry , Department Water Resources , Geochemistry Department , University Of California San Diego , Institute Of Environmental Physics , Scripps Institution Of Oceanography , Geochemistry Division , Swiss Federal Institute Of Aquatic Science , Barnard College , Heidelberg University , Woods Hole Oceanographic Institution , Drinking Water Department ,

Study finds six degrees celsius cooling on land during the last Ice Age


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IMAGE: Ancient groundwater flows from a well in the North China plain during a field campaign in 2004 to measure noble gases to reconstruct past temperature.
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Credit: Photo credit: Werner Aeschbach
Woods Hole, Mass. (May 12, 2021) Low-to-mid latitude land surfaces at low elevation cooled on average by 5.8 ± 0.6 degrees C during the Last Glacial Maximum (LGM), based on an analysis of noble gases dissolved in groundwater, according to a new study published in
Nature.
Temperature estimates in the study are substantially lower than indicated by some notable marine and low-elevation terrestrial studies that have relied on various proxies to reconstruct past temperatures during the LGM, a period about 20,000 years ago that represents the most recent extended period of globally stable climate that was substantially cooler than present. ....

United States , Baden Wüberg , Woods Hole , Cape Cod , Alanm Seltzer , Jeffrey Severinghaus , Alan Seltzer , Werner Aeschbach , Jeffreyp Severinghaus , Martin Stute , Justint Kulongoski , Rolf Kipfer , Drinking Water Department , Environmental Science Department At Barnard College , Department Water Resources , Geochemistry Department , University Of California San Diego , Institute Of Environmental Physics , Scripps Institution Of Oceanography , Swiss Federal Institute Of Aquatic Science , Geosciences Research Division , Marine Chemistry Geochemistry Department , Woods Hole Oceanographic Institution , Heidelberg University , Last Glacial Maximum , Scripps Institution ,