Ancient global warming episode holds clues to future climate, UH Manoa researcher says
Thursday, July 16, 2009 - 16:35
in Earth & Climate
When scientists take Earth's temperature, they usually use thermometers. But when scientists want to figure out Earth's temperature in the past, they have to rely on other tools. One of these is deep-sea sediment cores (see Figure). Deep-sea sediments contain fossil remains of tiny marine creatures and other materials that sink to the ocean floor.