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Pliocene Climate

Pliocene Warmth. Warmth ~ 5 3 MaLast time the temperature was > presentWarmest of last 7 MaOften used for understanding future warming:Wide geographic distribution of samplesExtant biotaMore precise stratigraphy(Warning - anthropogenic warming ? nonequilibrium conditions. Pliocene closer

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Pliocene Climate

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    1. Pliocene Climate Pliocene 5.3 – 1.8 Ma Transition from: Relatively warm climate to cooler Pleistocene Little to no NH glaciers to major ice sheets Three parts: Early warmish Pliocene warmth Climate deterioration

    2. Pliocene Warmth Warmth ~ 5 – 3 Ma Last time the temperature was > present Warmest of last 7 Ma Often used for understanding future warming: Wide geographic distribution of samples Extant biota More precise stratigraphy (Warning - anthropogenic warming ? nonequilibrium conditions. Pliocene – closer to equilibrium)

    3. Pliocene Warmth

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