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Article

Meteorological Effects of a Lake in A Permafrost Basin: Difference of Seasonal Freeze–Thaw Cycles in Hovsgol Lake and Darhad Basin, Northern Mongolia

1
Department of Agro-environmental Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan
2
Kanki Co. Ltd., Sapporo 060-0004, Japan
3
Faculty of Agriculture, Yamagata University, Tsuruoka 997-8555, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Wojciech Dobinski and Aizhong Ye
Water 2022, 14(18), 2785; https://doi.org/10.3390/w14182785
Received: 21 July 2022 / Revised: 31 August 2022 / Accepted: 2 September 2022 / Published: 7 September 2022
The effects of the present global climate change appear more pronounced in high latitudes and alpine regions. Transitions zones, such as the southern fringe of the boreal region in northern Mongolia, are expected to experience drastic changes as a result. This area is dry and cold with forests forming only on the north-facing slopes of hills and grasslands distributing on the south-facing slopes, making it difficult for continuous forests to exist. However, in the Hovsgol Lake Basin, there is a vast continuous pure forest of Siberian larch (Larix sibirica). In other words, the lake water thawing/freezing process may have created a unique climatic environment that differs with the climate of the adjacent Darhad Basin, where no lake exists. Thus, in order to compare the effect of the thawing/freezing dynamics of lake water and the active layer on the thermal regime at each basin, respectively, temperatures were simultaneously measured. The Darhad Basin has similar latitude, topography, area, and elevation conditions. As expected, the presence of the lake affected the annual temperature amplitude, as it was 60% of that in the Darhad Basin. The difference in the seasonal freeze–thaw cycles of the lake and the active layer caused a significant difference in the thermal regime, especially in winter. View Full-Text
Keywords: Mongolia; Hovsgol Lake; Darhad Basin; continuous permafrost; freeze–thaw cycles; meteorological effects; lake water; active layer Mongolia; Hovsgol Lake; Darhad Basin; continuous permafrost; freeze–thaw cycles; meteorological effects; lake water; active layer
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MDPI and ACS Style

Takeda, K.; Sugita, A.; Kimura, M.; Caceres, M.L.L. Meteorological Effects of a Lake in A Permafrost Basin: Difference of Seasonal Freeze–Thaw Cycles in Hovsgol Lake and Darhad Basin, Northern Mongolia. Water 2022, 14, 2785. https://doi.org/10.3390/w14182785

AMA Style

Takeda K, Sugita A, Kimura M, Caceres MLL. Meteorological Effects of a Lake in A Permafrost Basin: Difference of Seasonal Freeze–Thaw Cycles in Hovsgol Lake and Darhad Basin, Northern Mongolia. Water. 2022; 14(18):2785. https://doi.org/10.3390/w14182785

Chicago/Turabian Style

Takeda, Kazuo, Akifumi Sugita, Masato Kimura, and Maximo Larry Lopez Caceres. 2022. "Meteorological Effects of a Lake in A Permafrost Basin: Difference of Seasonal Freeze–Thaw Cycles in Hovsgol Lake and Darhad Basin, Northern Mongolia" Water 14, no. 18: 2785. https://doi.org/10.3390/w14182785

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