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(325)
isotopes, ions, volcanic deposits, methane, ice core air bubbles...
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(649)
sediments, isotopes, microfossils, oxygen isotopes, stratigraphic sequence...
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(543)
stratigraphic sequence, tree rings, microfossils, sediments, glaciation...
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(347)
air temperature reconstruction, sea surface temperature reconstruction, drought/precipitation reconstruction, atmospheric circulation reconstruction, solar forcing/insolation reconstruction...
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