Monitoring the multi-year carbon balance of a subarctic palsa mire with micrometeorological techniques

Torben Christensen; Marcin Jackowicz-Korczynski; Mika Aurela; Patrick Crill; Michal Heliasz; Mikhail Mastepanov; Thomas Friborg

doi:10.1007/s13280-012-0302-5

Monitoring the multi-year carbon balance of a subarctic palsa mire with micrometeorological techniques

Torben Christensen, Marcin Jackowicz-Korczynski, Mika Aurela, Patrick Crill, Michal Heliasz, Mikhail Mastepanov, Thomas Friborg

Geology

46 Citations (Scopus)

Abstract

This article reports a dataset on 8 years of monitoring carbon fluxes in a subarctic palsa mire based on micrometeorological eddy covariance measurements. The mire is a complex with wet minerotrophic areas and elevated dry palsa as well as intermediate sub-ecosystems. The measurements document primarily the emission originating from the wet parts of the mire dominated by a rather homogenous cover of Eriophorum angustifolium. The CO₂/CH₄ flux measurements performed during the years 2001-2008 showed that the areas represented in the measurements were a relatively stable sink of carbon with an average annual rate of uptake amounting to on average -46 g C m^-2 y^-1 including an equally stable loss through CH₄ emissions (18-22 g CH₄-C m^-2 y^-1). This consistent carbon sink combined with substantial CH₄ emissions is most likely what is to be expected as the permafrost under palsa mires degrades in response to climate warming.

Original language	English
Journal	Ambio
Volume	41
Issue number	3 Suppl.
Pages (from-to)	207-217
Number of pages	11
ISSN	0044-7447
DOIs	https://doi.org/10.1007/s13280-012-0302-5
Publication status	Published - Jul 2012

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abstract = "This article reports a dataset on 8 years of monitoring carbon fluxes in a subarctic palsa mire based on micrometeorological eddy covariance measurements. The mire is a complex with wet minerotrophic areas and elevated dry palsa as well as intermediate sub-ecosystems. The measurements document primarily the emission originating from the wet parts of the mire dominated by a rather homogenous cover of Eriophorum angustifolium. The CO2/CH4 flux measurements performed during the years 2001-2008 showed that the areas represented in the measurements were a relatively stable sink of carbon with an average annual rate of uptake amounting to on average -46 g C m-2 y-1 including an equally stable loss through CH4 emissions (18-22 g CH4-C m-2 y-1). This consistent carbon sink combined with substantial CH4 emissions is most likely what is to be expected as the permafrost under palsa mires degrades in response to climate warming.",

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T1 - Monitoring the multi-year carbon balance of a subarctic palsa mire with micrometeorological techniques

AU - Christensen, Torben

AU - Jackowicz-Korczynski, Marcin

AU - Aurela, Mika

AU - Crill, Patrick

AU - Heliasz, Michal

AU - Mastepanov, Mikhail

AU - Friborg, Thomas

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N2 - This article reports a dataset on 8 years of monitoring carbon fluxes in a subarctic palsa mire based on micrometeorological eddy covariance measurements. The mire is a complex with wet minerotrophic areas and elevated dry palsa as well as intermediate sub-ecosystems. The measurements document primarily the emission originating from the wet parts of the mire dominated by a rather homogenous cover of Eriophorum angustifolium. The CO2/CH4 flux measurements performed during the years 2001-2008 showed that the areas represented in the measurements were a relatively stable sink of carbon with an average annual rate of uptake amounting to on average -46 g C m-2 y-1 including an equally stable loss through CH4 emissions (18-22 g CH4-C m-2 y-1). This consistent carbon sink combined with substantial CH4 emissions is most likely what is to be expected as the permafrost under palsa mires degrades in response to climate warming.

AB - This article reports a dataset on 8 years of monitoring carbon fluxes in a subarctic palsa mire based on micrometeorological eddy covariance measurements. The mire is a complex with wet minerotrophic areas and elevated dry palsa as well as intermediate sub-ecosystems. The measurements document primarily the emission originating from the wet parts of the mire dominated by a rather homogenous cover of Eriophorum angustifolium. The CO2/CH4 flux measurements performed during the years 2001-2008 showed that the areas represented in the measurements were a relatively stable sink of carbon with an average annual rate of uptake amounting to on average -46 g C m-2 y-1 including an equally stable loss through CH4 emissions (18-22 g CH4-C m-2 y-1). This consistent carbon sink combined with substantial CH4 emissions is most likely what is to be expected as the permafrost under palsa mires degrades in response to climate warming.

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EP - 217

JO - Ambio

JF - Ambio

IS - 3 Suppl.

ER -

Monitoring the multi-year carbon balance of a subarctic palsa mire with micrometeorological techniques

Abstract

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