The importance of topography in the occurrence of glacial valleys in Belarus
The relief of the ice-sheet bed predetermines the location of the valleys both in vast regions and in local, relatively limited areas. The influence of the relief in a large region on the formation of valleys occurs in lowland, more dissected northern and western regions of Belarus. Here, the bedroc...
Published in: | Journal of the Belarusian State University. Geography and Geology |
---|---|
Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | Belarusian English Russian |
Published: |
Belarusian State University
2021
|
Subjects: | |
Online Access: | https://doi.org/10.33581/2521-6740-2021-1-93-106 https://doaj.org/article/8a4741fc494743719287fa71dec4faea |
id |
ftdoajarticles:oai:doaj.org/article:8a4741fc494743719287fa71dec4faea |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:8a4741fc494743719287fa71dec4faea 2023-05-15T16:40:22+02:00 The importance of topography in the occurrence of glacial valleys in Belarus Michail E. Komarovskiy 2021-06-01T00:00:00Z https://doi.org/10.33581/2521-6740-2021-1-93-106 https://doaj.org/article/8a4741fc494743719287fa71dec4faea BE EN RU bel eng rus Belarusian State University https://journals.bsu.by/index.php/geography/article/view/3429 https://doaj.org/toc/2521-6740 https://doaj.org/toc/2617-3972 2521-6740 2617-3972 doi:10.33581/2521-6740-2021-1-93-106 https://doaj.org/article/8a4741fc494743719287fa71dec4faea Журнал Белорусского государственного университета: География, геология, Iss 1, Pp 93-106 (2021) glacial valleys glacial basins ice bed topography topographic factor scandinavian ice sheet Geography (General) G1-922 Geology QE1-996.5 article 2021 ftdoajarticles https://doi.org/10.33581/2521-6740-2021-1-93-106 2022-12-31T16:05:31Z The relief of the ice-sheet bed predetermines the location of the valleys both in vast regions and in local, relatively limited areas. The influence of the relief in a large region on the formation of valleys occurs in lowland, more dissected northern and western regions of Belarus. Here, the bedrock relief plays a key role in appearance the hollow-like Vidzovsky, Polotsk and Surazh glacial erosion depressions and in isolation of the elevations separating them. The distribution of these largest forms of glacial erosion is associated with the regional picture of the glacial ice flow in topographic depressions, increased erosion of the ice bed, which developed under the glacial streams and lobes of the Scandinavian ice sheet. The degree and character of the relief dissection, the size, surface slope and orientation of the depressions, river paleo-valleys, elevations, and escarps had a leading role in the location of valleys in local, relatively limited areas. Their significance for the formation of valleys was to determine the local picture of the glacial flow and the areas where stresses were concentrated at the bed and glacial erosion intensified. The formation of tunnel valleys was possible in depressions and in the dissected relief of the glacial bed, which contributed to the accumulation of meltwater, the formation of subglacial lakes, as well as the concentration of meltwater in the subglacial channels. Article in Journal/Newspaper Ice Sheet Directory of Open Access Journals: DOAJ Articles Journal of the Belarusian State University. Geography and Geology 1 93 106 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Belarusian English Russian |
topic |
glacial valleys glacial basins ice bed topography topographic factor scandinavian ice sheet Geography (General) G1-922 Geology QE1-996.5 |
spellingShingle |
glacial valleys glacial basins ice bed topography topographic factor scandinavian ice sheet Geography (General) G1-922 Geology QE1-996.5 Michail E. Komarovskiy The importance of topography in the occurrence of glacial valleys in Belarus |
topic_facet |
glacial valleys glacial basins ice bed topography topographic factor scandinavian ice sheet Geography (General) G1-922 Geology QE1-996.5 |
description |
The relief of the ice-sheet bed predetermines the location of the valleys both in vast regions and in local, relatively limited areas. The influence of the relief in a large region on the formation of valleys occurs in lowland, more dissected northern and western regions of Belarus. Here, the bedrock relief plays a key role in appearance the hollow-like Vidzovsky, Polotsk and Surazh glacial erosion depressions and in isolation of the elevations separating them. The distribution of these largest forms of glacial erosion is associated with the regional picture of the glacial ice flow in topographic depressions, increased erosion of the ice bed, which developed under the glacial streams and lobes of the Scandinavian ice sheet. The degree and character of the relief dissection, the size, surface slope and orientation of the depressions, river paleo-valleys, elevations, and escarps had a leading role in the location of valleys in local, relatively limited areas. Their significance for the formation of valleys was to determine the local picture of the glacial flow and the areas where stresses were concentrated at the bed and glacial erosion intensified. The formation of tunnel valleys was possible in depressions and in the dissected relief of the glacial bed, which contributed to the accumulation of meltwater, the formation of subglacial lakes, as well as the concentration of meltwater in the subglacial channels. |
format |
Article in Journal/Newspaper |
author |
Michail E. Komarovskiy |
author_facet |
Michail E. Komarovskiy |
author_sort |
Michail E. Komarovskiy |
title |
The importance of topography in the occurrence of glacial valleys in Belarus |
title_short |
The importance of topography in the occurrence of glacial valleys in Belarus |
title_full |
The importance of topography in the occurrence of glacial valleys in Belarus |
title_fullStr |
The importance of topography in the occurrence of glacial valleys in Belarus |
title_full_unstemmed |
The importance of topography in the occurrence of glacial valleys in Belarus |
title_sort |
importance of topography in the occurrence of glacial valleys in belarus |
publisher |
Belarusian State University |
publishDate |
2021 |
url |
https://doi.org/10.33581/2521-6740-2021-1-93-106 https://doaj.org/article/8a4741fc494743719287fa71dec4faea |
genre |
Ice Sheet |
genre_facet |
Ice Sheet |
op_source |
Журнал Белорусского государственного университета: География, геология, Iss 1, Pp 93-106 (2021) |
op_relation |
https://journals.bsu.by/index.php/geography/article/view/3429 https://doaj.org/toc/2521-6740 https://doaj.org/toc/2617-3972 2521-6740 2617-3972 doi:10.33581/2521-6740-2021-1-93-106 https://doaj.org/article/8a4741fc494743719287fa71dec4faea |
op_doi |
https://doi.org/10.33581/2521-6740-2021-1-93-106 |
container_title |
Journal of the Belarusian State University. Geography and Geology |
container_issue |
1 |
container_start_page |
93 |
op_container_end_page |
106 |
_version_ |
1766030762209968128 |