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Atmosphere
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The Carbon Cycling across the Boreal and Arctic Ecosystems of...
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The Carbon Cycling across the Boreal and Arctic Ecosystems of Northern Eurasia

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land–Atmosphere Interactions".

Deadline for manuscript submissions: closed (21 June 2021) | Viewed by 6861

Special Issue Editors

Dr. Alexey Panov

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Guest Editor
V.N. Sukachev Institute of Forest of the Siberian Branch of Russian Academy of Sciences – Separated Department of the KSC SB RAS, 660036 Krasnoyarsk, Russia
Interests: carbon dioxide; methane; atmospheric composition; ecosystems; siberia
Special Issues, Collections and Topics in MDPI journals
Dr. Anatoly S. Prokushkin

E-Mail Website
Guest Editor
1. V.N. Sukachev Institute of Forest of the Siberian Branch of Russian Academy of Sciences – Separated Department of the KSC SB RAS, 660036 Krasnoyarsk, Russia
2. Laboratory of Biogeochemical Cycles in Forest Ecosystems, Siberian Federal University, 660041 Krasnoyarsk, Russia
Interests: carbon budget; permafrost; hydrochemistry; forest ecosystems; siberia
Special Issues, Collections and Topics in MDPI journals
Dr. Julia Kurbatova

E-Mail Website
Guest Editor
A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow 119071, Russia
Interests: eddy covariance; meteorology; ecosystems; atmosphere; ecology; climate change
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce a Special Issue that addresses relevant topics at the nexus of climate and environmental changes across the high latitudes of Siberia and Northern Eurasia. Through physical and biological processes, the vast Siberian domain of Northern Eurasia plays an important role in regulating regional to global carbon and hydrologic cycles, atmospheric composition and climate feedbacks. Climatically sensitive Siberian ecosystems represent a “hot-spot” area of the global earth meteorological system as tremendous and potentially vulnerable repository of terrestrial organic carbon. They comprise approximately 10% of the global carbon stored in vegetation and soils, contribute 5-10% of the global terrestrial net primary productivity, and 65% of the Siberian forests lie on permafrost. Nowadays, Siberia is warming. Climate changes affect forest distribution shifts, vegetation composition, ecosystem’s structure and function through changes in water availability, temperature, prolonged vegetation period and the disturbance regimes. Both observations and model simulations demonstrate changes in the Siberian environment have already been set into motion that may shift the Earth’s climate to a qualitatively different state.

This special issue welcomes articles focusing on atmosphere-ecosystem interactions, terrestrial carbon cycling, lateral terrigenic C fluxes to aquatic systems, wildfire emissions, effects of permafrost degradation, vulnerability and adaptation of plant communities and ecosystems of the boreal zone and the Arctic to climate and environmental changes. Furthermore, we welcome articles reporting novel approaches to monitor, model, and upscale carbon and ecosystem dynamics of Siberia and Northern Eurasia under observed and projected global warming.

Dr. Alexey Panov
Prof. Anatoly S. Prokushkin
Dr. Julia Kurbatova
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • climate changes
  • carbon balance
  • atmospheric composition
  • Siberia
  • ecosystems

Published Papers (2 papers)

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Research

19 pages, 2615 KiB  
Article
Temperature Control of Spring CO2 Fluxes at a Coniferous Forest and a Peat Bog in Central Siberia
by Sung-Bin Park, Alexander Knohl, Mirco Migliavacca, Tea Thum, Timo Vesala, Olli Peltola, Ivan Mammarella, Anatoly Prokushkin, Olaf Kolle, Jošt Lavrič, Sang Seo Park and Martin Heimann
Atmosphere 2021, 12(8), 984; https://doi.org/10.3390/atmos12080984 - 30 Jul 2021
Cited by 6 | Viewed by 2894
Abstract
Climate change impacts the characteristics of the vegetation carbon-uptake process in the northern Eurasian terrestrial ecosystem. However, the currently available direct CO2 flux measurement datasets, particularly for central Siberia, are insufficient for understanding the current condition in the northern Eurasian carbon cycle. [...] Read more.
Climate change impacts the characteristics of the vegetation carbon-uptake process in the northern Eurasian terrestrial ecosystem. However, the currently available direct CO2 flux measurement datasets, particularly for central Siberia, are insufficient for understanding the current condition in the northern Eurasian carbon cycle. Here, we report daily and seasonal interannual variations in CO2 fluxes and associated abiotic factors measured using eddy covariance in a coniferous forest and a bog near Zotino, Krasnoyarsk Krai, Russia, for April to early June, 2013–2017. Despite the snow not being completely melted, both ecosystems became weak net CO2 sinks if the air temperature was warm enough for photosynthesis. The forest became a net CO2 sink 7–16 days earlier than the bog. After the surface soil temperature exceeded ~1 °C, the ecosystems became persistent net CO2 sinks. Net ecosystem productivity was highest in 2015 for both ecosystems because of the anomalously high air temperature in May compared with other years. Our findings demonstrate that long-term monitoring of flux measurements at the site level, particularly during winter and its transition to spring, is essential for understanding the responses of the northern Eurasian ecosystem to spring warming. Full article
(This article belongs to the Special Issue The Carbon Cycling across the Boreal and Arctic Ecosystems of Northern Eurasia)
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19 pages, 5750 KiB  
Article
Continuous CO2 and CH4 Observations in the Coastal Arctic Atmosphere of the Western Taimyr Peninsula, Siberia: The First Results from a New Measurement Station in Dikson
by Alexey Panov, Anatoly Prokushkin, Karl Robert Kübler, Mikhail Korets, Anastasiya Urban, Mikhail Bondar and Martin Heimann
Atmosphere 2021, 12(7), 876; https://doi.org/10.3390/atmos12070876 - 6 Jul 2021
Cited by 8 | Viewed by 3445
Abstract
Atmospheric observations of sources and sinks of carbon dioxide (CO2) and methane (CH4) in the pan-Arctic domain are highly sporadic, limiting our understanding of carbon turnover in this climatically sensitive environment and the fate of enormous carbon reservoirs buried [...] Read more.
Atmospheric observations of sources and sinks of carbon dioxide (CO2) and methane (CH4) in the pan-Arctic domain are highly sporadic, limiting our understanding of carbon turnover in this climatically sensitive environment and the fate of enormous carbon reservoirs buried in permafrost. Particular gaps apply to the Arctic latitudes of Siberia, covered by the vast tundra ecosystems underlain by permafrost, where only few atmospheric sites are available. The paper presents the first results of continuous observations of atmospheric CO2 and CH4 dry mole fractions at a newly operated station “DIAMIS” (73.506828° N, 80.519869° E) deployed on the edge of the Dikson settlement on the western coast of the Taimyr Peninsula. Atmospheric mole fractions of CO2, CH4, and H2O are measured by a CRDS analyzer Picarro G2301-f, which is regularly calibrated against WMO-traceable gases. Meteorological records permit screening of trace gas series. Here, we give the scientific rationale of the site, describe the instrumental setup, analyze the local environments, examine the seasonal footprint, and show CO2 and CH4 fluctuations for the daytime mixed atmospheric layer that is representative over a vast Arctic domain (~500–1000 km), capturing both terrestrial and oceanic signals. Full article
(This article belongs to the Special Issue The Carbon Cycling across the Boreal and Arctic Ecosystems of Northern Eurasia)
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