Sentences with phrase «analyzed lake cores»
The UC Berkeley researchers analyzed lake cores provided by scientists at the National Autonomous University of Mexico in Juriquilla, Querétaro, Mexico and the German Research Centre for Geosciences in Potsdam, Germany.
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Cohen and his colleagues figured out the lake's environmental history 1,500 years into the past by taking cores of the lake's bottom sediments and analyzing the biological and chemical history stored in the sediment layers.
Recent publications analyzing the Russian ice cores have suggested the presence of heat - loving microorganisms called thermophiles, suggesting hot geothermal vents like those in the ocean may exist at the bottom of the lake.
To assess the climate in that area before and after Cantona's collapse, UC Berkeley geographers analyzed sediment cores from a lake located 20 miles south of the former city.
Jessica Tierney, lead scientist on the project and currently a post-doctoral researcher with National Oceanographic and Atmospheric Administration's Climate and Global Change program, analyzed core samples from the lake floor to deduce lake surface temperatures over the past 1,500 years.
As a professor at the Department of Earth Sciences at Montana State University she's spent decades analyzing mud core samples drilled from lakes around the world to examine climate and fire going back thousands of years.