PALYNOLOGICAL CHARACTERIZATION OF THE PO DELTA SUCCESSION (NORTHERN ITALY): HOLOCENE VEGETATION DYNAMICS, STRATIGRAPHIC PATTERNS AND PALAEOCLIMATE VARIABILITY
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Abstract
The 40 m-long core EM2, recovered in the innermost portion of Po delta plain, was sampled for palynological analysis, in order to link coastal-deltaic facies architecture to vegetation dynamics and Holocene climate variability. Pollen data refine facies characterization of the 25 m-thick Holocene succession: freshwater swamp clays alternating with overbank/channel sands document millennial to centennial-scale water table oscillations that invariably peak in correspondence of peaty layers. Pollen signature allows identification of the landward equivalent of the Maximum Flooding Surface atop the 7.6 ka-dated peaty interval and furnishes new insights on the relationship between coastal facies patterns and climate events
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