Palaeogeographical and archaeological records of natural changes of the Jordanowo-Niesulice subglacial channel near Lubrza, the Lubusz Lakeland
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Date
2015
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Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
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Abstract
The region of the Lubusz Lakeland in western Poland where there are a lot of subglacial channels provides
opportunity for multi-proxy palaeoenvironmental reconstructions. None of them has not been the object of a specific
study. The developmental history of the palaeolakes and their vicinity in the subglacial trough Jordanowo-Niesulice,
spanning the Late Glacial and beginning of the Holocene, was investigated using geological research, lithological and geomorphological analysis, geochemical composition, palynological and archaeological research, OSL and AMS-radiocarbon
dating. Geological research shows varied morphology of subglacial channel where at least two different
reservoirs functioned in the end of the Last Glacial period and at the beginning of the Holocene. Mostly during the
Bølling-Allerød interval and at the beginning of the Younger Dryas there took place melting of buried ice-blocks which
preserved the analysied course of the Jordanowo-Niesulice trough. The level of water, and especially depth of reservoirs
underwent also changes. Palynological analysis shows very diversified course of the Allerød interval.
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Keywords
palaeogrography, palaeoclimate, subglacial channels/trough, pollen analysis, human impact/geoarchaeology
Citation
Quaestiones Geographicae vol. 34 (3), 2015, pp. 101-116