Emission of Methane and Carbon Dioxide during Soil Freezing without Permafrost

Chenzheng Li, Anatoly V. Brouchkov, Viktor G. Cheverev, Andrey V. Sokolov and Kunyang Li
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Chenzheng Li: Geology Faculty, Lomonosov Moscow State University, 1 Leninskie Gory, 119991 Moscow, Russia
Anatoly V. Brouchkov: Geology Faculty, Lomonosov Moscow State University, 1 Leninskie Gory, 119991 Moscow, Russia
Viktor G. Cheverev: Geology Faculty, Lomonosov Moscow State University, 1 Leninskie Gory, 119991 Moscow, Russia
Andrey V. Sokolov: NIIIT LLC, 20 Kulakova Str., 123592 Moscow, Russia
Kunyang Li: First Institute of Oceanography, SOA, 6 Xianxialing Road, Qingdao 266061, China

Energies, 2022, vol. 15, issue 7, 1-11

Abstract: Research on methane and carbon dioxide emissions mainly focuses on industrial emissions, cultivated land, and wetlands, while few studies have studied freezing-related emissions. This paper presents field experiments conducted during soil freezing to measure carbon dioxide and methane concentrations in the air, near the soil surface, and in the soil. In addition, the influence of precipitation, snowfall, air temperature, and depth of freezing on gas emissions was analyzed. We observed increased concentrations of methane and carbon dioxide in soil and air at soil freezing and snow cover growth. For the first time, an increase in gas flux during soil freezing was found in the absence of permafrost.

Keywords: methane; carbon dioxide; gas release; freezing process; permafrost table (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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