Postglacial history of a cedar swamp in southeastern Connecticut
Identifieur interne : 001243 ( Istex/Checkpoint ); précédent : 001242; suivant : 001244Postglacial history of a cedar swamp in southeastern Connecticut
Auteurs : Robert M. Thorson [États-Unis] ; Robert S. Webb [États-Unis]Source :
- Journal of Paleolimnology [ 0921-2728 ] ; 1991-01-01.
Abstract
Abstract: Stratigraphic and palynologic analyses of sediment cores from a large mire, combined with geologic and hydrologic studies of its watershed, provide a late Quaternary record of environmental change at Cedar Swamp in southeastern Connecticut. Since deglaciation of the area, the basin has evolved from an open lake characterized by the rapid accumulation of allochthonous inorganic sediments to an ombrotrophic mire with peat accumulation keeping pace with the gradual rise in the water table. Lithostratigraphic, pollen, and chronologic evidence suggest that the long-term trend of basin infilling and paludification was interrupted by two intervals (14 000–13 000 and 8000–4700 yr B.P.) when the water table elevation dropped at least 1 m.
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DOI: 10.1007/BF00201297
Affiliations:
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