Sea level changes and coastal evolution in the southeastern Baltic

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Institute of Geology and Geography Vilnius
Sea level changes and coastal evolution in the
southeastern Baltic
L. Ž. Gelumbauskaite, J. Šeckus
Modeling of the coastal evolution in the
southeastern part of the Baltic Sea has special
interest in last years. New data occurred after
interpretation of geoseismic profile in Klaipeda
- Dreverna area. These data let us to reconstruct
water level changes in Late Pleistocene
Holocene time (Gelumbauskaite 2000
Gelumbauskaite et al. 2005). Reconstruction of
paleorelief in Late Glacial Holocene time of
Curonian Lagoon has been done. 3 D models of the
paleorelief for Baltic Ice Lake and Ancylus Lake
stages were interpreted (Gelumbauskaite et al.
2005). Two new geophysical profiles interpreted
in last months and cores where pollen and spore
analysis were done let us to reconstruct 3D
paleorelief models not only for Curonian Lagoon
but for south eastern part of the Baltic Sea
(Gdansk Deep, Klaipeda Bank) as well. Surfaces of
four different Baltic Sea developments stages
(Baltic Ice Lake, Yoldia Sea, Ancylus Lake and
Litorina-Postlitorina) were created. Curves of
sea level changes in Lithuanian area have been
reconstructed. All above mentioned data later
will be used for creation of the 4 D (space/time)
model for the southeastern part of the Baltic Sea
(Harff et al. 2001 Meyer 2003, Meyer et al.
2005)
Gelumbauskaite, L.-Ž. 2000. Late- and Postglacial
Palaeogeomorphology on the Klaipeda Submarine
Slope, Southeastern Baltic Sea. Baltica, Vol. 13,
36-43. Gelumbauskaite, L.-Ž., Šeckus, J. 2005.
Late Quaternary Shore Formations of the Baltic
Basins in the Lithuanian Sector. Geologija, No.
52, 34-45. Gelumbauskaite, L.-Ž., Šeckus, J.
2005. Late GlacialHolocene History in Curonian
Lagoon (Lithuanian sector). Baltica, Vol. 18(2),
77-82. Harff, J., Frischbutter, A., Lampe, R.,
Meyer, M. 2001. Sea Level Change in the Baltic
Sea Interrelation of Climatic and Geological
Processes. In Gerhard, J., Harrison, W.E.,
Hanson, B.M. (Eds.) Geological Perspectives of
Climate Change. Tulsa, Oklahoma AAPG Studies in
Geology 47, 231-250.