The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux

Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Anastasia V. Makhnykina [verfasserIn] Eugene A. Vaganov [verfasserIn] Alexey V. Panov [verfasserIn] Nataly N. Koshurnikova [verfasserIn] Anatoly S. Prokushkin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Schlagwörter:	soil emissions net soil exchange boreal forest precipitation soil temperature soil moisture

Übergeordnetes Werk:	In: Forests - MDPI AG, 2010, 15(2024), 2, p 355
Übergeordnetes Werk:	volume:15 ; year:2024 ; number:2, p 355

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/f15020355

Katalog-ID:	DOAJ099642859

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allfields	10.3390/f15020355 doi (DE-627)DOAJ099642859 (DE-599)DOAJ00e25267a6b3432bbbc1e7112f8d68a2 DE-627 ger DE-627 rakwb eng QK900-989 Anastasia V. Makhnykina verfasserin aut The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes. soil emissions net soil exchange boreal forest precipitation soil temperature soil moisture Plant ecology Eugene A. Vaganov verfasserin aut Alexey V. Panov verfasserin aut Nataly N. Koshurnikova verfasserin aut Anatoly S. Prokushkin verfasserin aut In Forests MDPI AG, 2010 15(2024), 2, p 355 (DE-627)614095689 (DE-600)2527081-3 19994907 nnns volume:15 year:2024 number:2, p 355 https://doi.org/10.3390/f15020355 kostenfrei https://doaj.org/article/00e25267a6b3432bbbc1e7112f8d68a2 kostenfrei https://www.mdpi.com/1999-4907/15/2/355 kostenfrei https://doaj.org/toc/1999-4907 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 2, p 355
spelling	10.3390/f15020355 doi (DE-627)DOAJ099642859 (DE-599)DOAJ00e25267a6b3432bbbc1e7112f8d68a2 DE-627 ger DE-627 rakwb eng QK900-989 Anastasia V. Makhnykina verfasserin aut The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes. soil emissions net soil exchange boreal forest precipitation soil temperature soil moisture Plant ecology Eugene A. Vaganov verfasserin aut Alexey V. Panov verfasserin aut Nataly N. Koshurnikova verfasserin aut Anatoly S. Prokushkin verfasserin aut In Forests MDPI AG, 2010 15(2024), 2, p 355 (DE-627)614095689 (DE-600)2527081-3 19994907 nnns volume:15 year:2024 number:2, p 355 https://doi.org/10.3390/f15020355 kostenfrei https://doaj.org/article/00e25267a6b3432bbbc1e7112f8d68a2 kostenfrei https://www.mdpi.com/1999-4907/15/2/355 kostenfrei https://doaj.org/toc/1999-4907 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 2, p 355
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allfieldsGer	10.3390/f15020355 doi (DE-627)DOAJ099642859 (DE-599)DOAJ00e25267a6b3432bbbc1e7112f8d68a2 DE-627 ger DE-627 rakwb eng QK900-989 Anastasia V. Makhnykina verfasserin aut The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes. soil emissions net soil exchange boreal forest precipitation soil temperature soil moisture Plant ecology Eugene A. Vaganov verfasserin aut Alexey V. Panov verfasserin aut Nataly N. Koshurnikova verfasserin aut Anatoly S. Prokushkin verfasserin aut In Forests MDPI AG, 2010 15(2024), 2, p 355 (DE-627)614095689 (DE-600)2527081-3 19994907 nnns volume:15 year:2024 number:2, p 355 https://doi.org/10.3390/f15020355 kostenfrei https://doaj.org/article/00e25267a6b3432bbbc1e7112f8d68a2 kostenfrei https://www.mdpi.com/1999-4907/15/2/355 kostenfrei https://doaj.org/toc/1999-4907 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2024 2, p 355
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title	The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux
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title_full	The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux
author_sort	Anastasia V. Makhnykina
journal	Forests
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author_browse	Anastasia V. Makhnykina Eugene A. Vaganov Alexey V. Panov Nataly N. Koshurnikova Anatoly S. Prokushkin
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author-letter	Anastasia V. Makhnykina
doi_str_mv	10.3390/f15020355
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title_sort	pulses of soil co<sub<2</sub< emission in response to rainfall events in central siberia: revisiting the overall frost-free season co<sub<2</sub< flux
callnumber	QK900-989
title_auth	The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux
abstract	Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes.
abstractGer	Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes.
abstract_unstemmed	Boreal forests nowadays act as a sink for atmospheric carbon dioxide; however, their sequestration capacity is highly sensitive to weather conditions and, specifically to ongoing climate warming. Extreme weather events such as heavy rainfalls or, conversely, heat waves during the growing season might perturb the ecosystem carbon balance and convert them to an additional CO<sub<2</sub< source. Thus, there is an urgent need to revise ecosystem carbon fluxes in vast Siberian taiga ecosystems as influenced by extreme weather events. In this study, we focused on the soil CO<sub<2</sub< pulses appearing after the rainfall events and quantification of their input to the seasonal cumulative CO<sub<2</sub< efflux in the boreal forests in Central Siberia. Seasonal measurements of soil CO<sub<2</sub< fluxes (both soil respiration and net soil exchange) were conducted during three consecutive frost-free seasons using the dynamic chamber method. Seasonal dynamics of net soil exchange fluxes demonstrated positive values, reflecting that soil respiration rates exceeded CO<sub<2</sub< uptake in the forest floor vegetation layer. Moreover, the heavy rains caused a rapid pulse of soil emissions and, as a consequence, the release of additional amounts of CO<sub<2</sub< from the soil into the atmosphere. A single rain event may cause a 5–11-fold increase of the NSE flux compared to the pre-rainfall values. The input of CO<sub<2</sub< pulses to the seasonal cumulative efflux varied from near zero to 39% depending on precipitation patterns of a particular season. These findings emphasize the critical need for more frequent measurements of soil CO<sub<2</sub< fluxes throughout the growing season which capture the CO<sub<2</sub< pulses induced by rain events. This approach has inevitable importance for the accurate assessment of seasonal CO<sub<2</sub< soil emissions and adequate predictions of response of boreal pine forests to climatic changes.
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container_issue	2, p 355
title_short	The Pulses of Soil CO<sub<2</sub< Emission in Response to Rainfall Events in Central Siberia: Revisiting the Overall Frost-Free Season CO<sub<2</sub< Flux
url	https://doi.org/10.3390/f15020355 https://doaj.org/article/00e25267a6b3432bbbc1e7112f8d68a2 https://www.mdpi.com/1999-4907/15/2/355 https://doaj.org/toc/1999-4907
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author2	Eugene A. Vaganov Alexey V. Panov Nataly N. Koshurnikova Anatoly S. Prokushkin
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up_date	2024-07-03T23:44:33.874Z
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