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https://dx.doi.org/10.23670/ir...
Article . 2022
License: CC BY
Data sources: Datacite
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Особенности суточной эмиссии метана в системе «черноземные почвы – атмосфера» и влияние влажности почв на скорость его потоков

Specifics of Daily Methane Emissions in the "Chernozem Soils Atmosphere" System and the Influence of Soil Moisture on the Rate of Methane Flows

Особенности суточной эмиссии метана в системе «черноземные почвы – атмосфера» и влияние влажности почв на скорость его потоков

Abstract

At two polygons with chernozem soils, daily experiments were carried out to measure methane flows in the "soil-atmosphere" system. At the same time, artificial irrigation of one of the polygons was periodically conducted in order to determine the effect of soil moisture on the rate of methane emission into the atmosphere. Analysis of the daily dynamics of methane emission from the surface of soils into the atmosphere shows that the maximum rate of its flow is fixed in daylight hours. Increase in 1.1-1.3 times of methane streams after moistening of soils is observed. It is concluded that the optimum time of continuous presence of traps in the accumulation mode (exposition) to estimate methane flows from the soil surface into the atmosphere should be from 5 to 7 hours.

На двух полигонах с черноземными почвами поставлены суточные эксперименты по измерению потоков метана в системе «почва – атмосфера». При этом периодически проводился искусственный полив одного из полигонов, с целью установления влияния влажности почв на скорость эмиссии метана в атмосферу. Анализ суточной динамики эмиссии метана с поверхности почв в атмосферу показывает, что максимальные скорости его потока фиксируются в светлое время суток. Наблюдается увеличение в 1.1–1.3 раза потоков метана после увлажнения почв. Сделан вывод, что оптимальное время непрерывного нахождения ловушек в накопительном режиме (экспозиция) для оценки потоков метана с поверхности почв в атмосферу должно составлять от 5 до 7 часов.

Международный научно-исследовательский журнал, Выпуск 10 (124) 2022

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Keywords

concentration, эмиссия, methane, emissions, agrochemistry, изменение климата, концентрация, суточная динамика, climate change, агрохимия, carbon polygons, карбоновые полигоны, greenhouse gases, daily dynamics, почвы, парниковые газы, soils, метан

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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