Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta)
Modern degradation of Arctic permafrost promotes changes in tundra landscapes and leads to degradation of ice wedge polygons, which are the most widespread landforms of Arctic wetlands. Status assessment of polygon degradation is important for various environmental studies. We have applied the geogr...
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ftdoajarticles:oai:doaj.org/article:b779b307b567455e9807a442fb8136ea 2023-05-15T14:54:44+02:00 Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) Andrei Kartoziia 2019-07-01T00:00:00Z https://doi.org/10.3390/rs11131627 https://doaj.org/article/b779b307b567455e9807a442fb8136ea EN eng MDPI AG https://www.mdpi.com/2072-4292/11/13/1627 https://doaj.org/toc/2072-4292 2072-4292 doi:10.3390/rs11131627 https://doaj.org/article/b779b307b567455e9807a442fb8136ea Remote Sensing, Vol 11, Iss 13, p 1627 (2019) the Lena delta Samoylov island remote sensing UAV DTM polygon degradation low-centered polygons high-centered polygons thermokarst Science Q article 2019 ftdoajarticles https://doi.org/10.3390/rs11131627 2022-12-31T16:12:18Z Modern degradation of Arctic permafrost promotes changes in tundra landscapes and leads to degradation of ice wedge polygons, which are the most widespread landforms of Arctic wetlands. Status assessment of polygon degradation is important for various environmental studies. We have applied the geographic information systems’ (GIS) analysis of data from unmanned aerial vehicles (UAV) to accurately assess the status of ice wedge polygon degradation on Samoylov Island. We used several modern models of polygon degradation for revealing polygon types, which obviously correspond to different stages of degradation. Manual methods of mapping and a high spatial resolution of used UAV data allowed for a high degree of accuracy in the identification of all land units. The study revealed the following: 41.79% of the first terrace surface was composed of non-degraded polygonal tundra; 18.37% was composed of polygons, which had signs of thermokarst activity and corresponded to various stages of degradation in the models; and 39.84% was composed of collapsed polygons, slopes, valleys, and water bodies, excluding ponds of individual polygons. This study characterizes the current status of polygonal tundra degradation of the first terrace surface on Samoylov Island. Our assessment reflects the landscape condition of the first terrace surface of Samoylov Island, which is the typical island of the southern part of the Lena Delta. Moreover, the study illustrates the potential of UAV data GIS analysis for highly accurate investigations of Arctic landscape changes. Article in Journal/Newspaper Arctic Ice lena delta permafrost Thermokarst Tundra wedge* Directory of Open Access Journals: DOAJ Articles Arctic Remote Sensing 11 13 1627 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
the Lena delta Samoylov island remote sensing UAV DTM polygon degradation low-centered polygons high-centered polygons thermokarst Science Q |
spellingShingle |
the Lena delta Samoylov island remote sensing UAV DTM polygon degradation low-centered polygons high-centered polygons thermokarst Science Q Andrei Kartoziia Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
topic_facet |
the Lena delta Samoylov island remote sensing UAV DTM polygon degradation low-centered polygons high-centered polygons thermokarst Science Q |
description |
Modern degradation of Arctic permafrost promotes changes in tundra landscapes and leads to degradation of ice wedge polygons, which are the most widespread landforms of Arctic wetlands. Status assessment of polygon degradation is important for various environmental studies. We have applied the geographic information systems’ (GIS) analysis of data from unmanned aerial vehicles (UAV) to accurately assess the status of ice wedge polygon degradation on Samoylov Island. We used several modern models of polygon degradation for revealing polygon types, which obviously correspond to different stages of degradation. Manual methods of mapping and a high spatial resolution of used UAV data allowed for a high degree of accuracy in the identification of all land units. The study revealed the following: 41.79% of the first terrace surface was composed of non-degraded polygonal tundra; 18.37% was composed of polygons, which had signs of thermokarst activity and corresponded to various stages of degradation in the models; and 39.84% was composed of collapsed polygons, slopes, valleys, and water bodies, excluding ponds of individual polygons. This study characterizes the current status of polygonal tundra degradation of the first terrace surface on Samoylov Island. Our assessment reflects the landscape condition of the first terrace surface of Samoylov Island, which is the typical island of the southern part of the Lena Delta. Moreover, the study illustrates the potential of UAV data GIS analysis for highly accurate investigations of Arctic landscape changes. |
format |
Article in Journal/Newspaper |
author |
Andrei Kartoziia |
author_facet |
Andrei Kartoziia |
author_sort |
Andrei Kartoziia |
title |
Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
title_short |
Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
title_full |
Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
title_fullStr |
Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
title_full_unstemmed |
Assessment of the Ice Wedge Polygon Current State by Means of UAV Imagery Analysis (Samoylov Island, the Lena Delta) |
title_sort |
assessment of the ice wedge polygon current state by means of uav imagery analysis (samoylov island, the lena delta) |
publisher |
MDPI AG |
publishDate |
2019 |
url |
https://doi.org/10.3390/rs11131627 https://doaj.org/article/b779b307b567455e9807a442fb8136ea |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Ice lena delta permafrost Thermokarst Tundra wedge* |
genre_facet |
Arctic Ice lena delta permafrost Thermokarst Tundra wedge* |
op_source |
Remote Sensing, Vol 11, Iss 13, p 1627 (2019) |
op_relation |
https://www.mdpi.com/2072-4292/11/13/1627 https://doaj.org/toc/2072-4292 2072-4292 doi:10.3390/rs11131627 https://doaj.org/article/b779b307b567455e9807a442fb8136ea |
op_doi |
https://doi.org/10.3390/rs11131627 |
container_title |
Remote Sensing |
container_volume |
11 |
container_issue |
13 |
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1627 |
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1766326497178550272 |