T24 Glaciogeological and Geomorphological Evidence of Ancient Ice Streams and Outlet Glaciers (Posters)

MAP OF WEICHSELIAN DIRECTIONAL ICE-FLOW FEATURES OF CENTRAL AND EASTERN EUROPE

Paper number: T24-11
Program: Technical Sessions
Time: 1:30 PM – 4:30 PM

Authors

Abstract

In the area to the south of the Baltic Basin numerous glacial features have been studied for years and many directional data have been collected. The project ICE-FLOW directions in the peribaltic area during the Weichselian Glaciation combined the previously published and unpublished data. It was supported by INQUA and national funds of participating countries.

Ice-flow directions were detected from linear glacial landforms and sediment fabric. They are direct (striations, till fabric, local glaciotectonic deformations, streamlined landforms) and indirect (glacial tunnel valleys, eskers, kame chains, end moraines) ice-flow features. Their spatial distribution indicates radial structure of the ice sheet terminal zone and location of interlobate zones.

A final result is a data base and collection of national maps (scale 1 : 500,000) of the area in Belarus, Estonia, Germany, Lithuania, Latvia and Poland, constructed in 2000-2003 with a use of the ArcInfo system. The maps are to be put together into a complex map (scale 1 : 1,000, 000), to present unified image of ice-flow directions during the Late Weichselian. It will create background for further palaeoglaciological 3-D modelling of the palaeo-ice streams in the Central European area.