Rozwój doliny dolnej Łupawy w późnym plejstocenie
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Date
2007
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Publisher
Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk
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Abstract
The lower £upawa valley is situated in the
Gardno Phase marginal zone. The Gardno Phase
represents a short ice readvance on the North
Polish Plain. According to ROTNICKI (2001) Gardno
Phase should be situated between 14 700 and
14 500 years B.P. The fossil ice-dammed lake has
been discovered in the lower £upawa valley.
Based on the analysis of the materials the extent
of ice-dammed lake has been determined. Its dimensions
are: width – 1,2 km, length – 5 km. During
the first ice recession phase the ice-dammed
lake disappeared. The first ice recession phase is
situated between 14 300 and 14 000 years B.P.
(ROTNICKI 2001). After that the aggradation of
the alluvial fan of the £upawa began. Fossil
channels of braided £upawa can be found in its
top part. The oldest organogenic infillings of
these channels started to accumulate 13 800±
270 years B.P. (ROTNICKI & BORÓWKA 1995). According
to ROTNICKI & BORÓWKA (1995) one of the
youngest organogenic infillings of these channels
started to accumulate 6 700±70 years B.P.
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Citation
Badania Fizjograficzne, Seria A, Tom 58, 2007, s. 21-30
Seria
Seria A - Geografia Fizyczna TOM 58;
ISBN
978-83-7063-538-1
ISSN
0067-2807