Mapping the Main Characteristics of Permafrost on the Basis of a Permafrost-Landscape Map of Yakutia Using GIS

Alyona A. Shestakova, Alexander N. Fedorov, Yaroslav I. Torgovkin, Pavel Y. Konstantinov, Nikolay F. Vasyliev, Svetlana V. Kalinicheva, Vera V. Samsonova, Tetsuya Hiyama, Yoshihiro Iijima, Hotaek Park, Go Iwahana and Alexey N. Gorokhov
Additional contact information
Alyona A. Shestakova: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Alexander N. Fedorov: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Yaroslav I. Torgovkin: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Pavel Y. Konstantinov: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Nikolay F. Vasyliev: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Svetlana V. Kalinicheva: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Vera V. Samsonova: Melnikov Permafrost Institute of the Siberian Branch of the RAS, 677010 Yakutsk, Russia
Tetsuya Hiyama: Institute for Space-Earth Environmental Research, Nagoya University Aichi, Nagoya 464-8601, Japan
Yoshihiro Iijima: Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu 514-8507, Japan
Hotaek Park: Institute for Space-Earth Environmental Research, Nagoya University Aichi, Nagoya 464-8601, Japan
Go Iwahana: International Arctic Research Center, University of Alaska, Fairbanks, AK 99508, USA
Alexey N. Gorokhov: Institute for Biological Problems of Cryolithozone Siberian Branch of RAS, 677000 Yakutsk, Russia

Land, 2021, vol. 10, issue 5, 1-18

Abstract: The purpose of this article was to compile four separate digital thematic maps of temperature and ice content of permafrost, the active layer thickness, and cryogenic processes in Yakutia as a basis for assessing changes to modern climate changes and anthropogenic disturbances. In this work, materials on permafrost were used, serving as the basis for compiling a permafrost landscape map of the Republic of Sakha (Yakutia). The maps were compiled using ArcGIS software, which supports attribute table mapping. The ground temperature and active layer thickness maps reflected landscape zonality and regional differences. Peculiarities of genetic types of Quaternary deposits and climatic conditions reflected the ice content of surface sediments and cryogenic process distribution maps. One of the most common is ground temperatures from −2.1 to −4.0 °C, which were found to occupy about 37.4% of the territory of Yakutia. More than half of the region was found to be occupied by permafrost landscapes with a limited thickness of the active layer up to 1.1 m. Ice-rich permafrost (more than 0.4 in ice content) was found to be typical for about 40% of the territory. Thermokarst is the most hazardous process that occurs in half of Yakutia.

Keywords: permafrost landscape; ground temperature; active layer thickness; ice content; cryogenic processes; digital map; GIS model (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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