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Have you ever wondered how scientists gather data to determine whether global temperatures are warming or what climate was like during the Ice Ages?
Paleoclimate researchers conduct studies on coral cores, ice cores, tree rings, pollen, sediment from oceans and lakes, varves, pack rat middens and other products of nature in order to learn about past climates.
The links below will help you understand how scientists collect climatic data from the past, before the days of the thermometer, barometer, rain gauge and other weather instruments.
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http://www.ncdc.noaa.gov/paleo/education.html Downloaded Monday, 24-Aug-2009 20:43:44 EDT Last Updated Thursday, 02-Apr-2009 14:46:13 EDT by paleo@noaa.gov Please see the Paleoclimatology Contact Page or the NCDC Contact Page if you have questions or comments. |