<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the Polish Lowlands, three main ice lobes, referred to as Odra, Vistula and Mazury, formed during the Last Scandinavian Glaciation. These lobes protruded at least several kilometres beyond the main ice margin and it is believed that they represent terminal parts of the ice streams. Applied geostatistical analysis based on numerous geological data has allowed an approximate reconstruction of the Odra ice lobe substratum in the area of northwest Poland and northeast Germany. A spatial representation of the Odra lobe substratum clearly illustrates the adverse slope of the glacier bed, but also indicates areas morphologically prone to ice streaming. It is suggested that the ice took advantage of local topography that enabled advance out of the Baltic basin; consequently, the ice followed a topographic low which, in combination with favourable hydraulic conditions of its substratum, likely initiated ice streaming.</p></abstract>

In the Polish Lowlands, three main ice lobes, referred to as Odra, Vistula and Mazury, formed during the Last Scandinavian Glaciation. These lobes protruded at least several kilometres beyond the main ice margin and it is believed that they represent terminal parts of the ice streams. Applied geostatistical analysis based on numerous geological data has allowed an approximate reconstruction of the Odra ice lobe substratum in the area of northwest Poland and northeast Germany. A spatial representation of the Odra lobe substratum clearly illustrates the adverse slope of the glacier bed, but also indicates areas morphologically prone to ice streaming. It is suggested that the ice took advantage of local topography that enabled advance out of the Baltic basin; consequently, the ice followed a topographic low which, in combination with favourable hydraulic conditions of its substratum, likely initiated ice streaming.

Substratum morphology and significance during the Weichselian Odra ice lobe advance in northeast Germany and northwest Poland

Institute of Geology, Adam Mickiewicz University, Maków Polnych 16, 61-606 Poznań, Poland

Geologos

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In the Polish Lowlands, three main ice lobes, referred to as Odra, Vistula and Mazury, formed during the Last Scandinavian Glaciation. These lobes protruded at...

Substratum morphology and significance during the Weichselian Odra ice lobe advance in northeast Germany and northwest Poland

Publié en ligne: 22 janv. 2016

Pages: 241 - 248

Reçu: 14 nov. 2014

Accepté: 18 mars 2015

DOI: https://doi.org/10.1515/logos-2015-0016

Mots clés
ice stream, last Scandinavian Ice Sheet, subglacial conditions, kriging

© 2015 Piotr Hermanowski, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Substratum morphology and significance during the Weichselian Odra ice lobe advance in northeast Germany and northwest Poland

Publié en ligne: 22 janv. 2016

Pages: 241 - 248

Reçu: 14 nov. 2014

Accepté: 18 mars 2015

DOI: https://doi.org/10.1515/logos-2015-0016

Mots clésice stream, last Scandinavian Ice Sheet, subglacial conditions, kriging

© 2015 Piotr Hermanowski, published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
ice stream, last Scandinavian Ice Sheet, subglacial conditions, kriging