Class 21 presentation - Long-term methods Deep Sea Cores...

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Ancient climates Critical aspect for understanding Human evolution and development Often a direct influence on cultures A variety of methods to study past environments are available Long-term changes Short-term changes
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Geoarchaeology (again) Application of Earth Sciences in archaeology 4 primary approaches Geochemical testing and remote sensing Study of site-formation processes Paleogeography Relative and chronometric dating of geological contexts
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Unformatted text preview: Long-term methods Deep Sea Cores Excellent preservation Study the ratios of O16 & O18 isotopes Vary in abundance due to evaporation Ice Cores Palynology (again) Study of fossil pollen to determine general vegetation composition Correlate data with past climates Short-term Climate Variation More detailed information from more recent times Most likely to inform directly on archaeological record El Nino Southern Occilation...
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Class 21 presentation - Long-term methods Deep Sea Cores...

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