##  [Warming Response of Peatland CO2 Sink is Sensitive to Seasonality in Warming Trends](/resource/warming-response-peatland-co2-sink-sensitive-seasonality-warming-trends) 

Organization

[Dalhousie University](/organization/dalhousie-university)

[Natural Resources Institute Finland](/organization/natural-resources-institute-finland)

[Finnish Meteorological Institute](/organization/finnish-meteorological-institute)

[Max Planck Institute for Meteorology](/organization/max-planck-institute-meteorology)

[University of Alaska Fairbanks](/organization/university-alaska-fairbanks)

[University of Lethbridge (UofL)](/organization/university-lethbridge-uofl)

[University of Minnesota](/organization/university-minnesota)

[Oak Ridge National Laboratory](/organization/oak-ridge-national-laboratory)

[UK Centre for Ecology and Hydrology](/organization/uk-centre-ecology-and-hydrology)

[Hokkaido University](/organization/hokkaido-university)

[University College of Cork](/organization/university-college-cork)

[United States Forest Service](/organization/united-states-forest-service)

[University of Helsinki](/organization/university-helsinki)

[Swedish University of Agricultural Sciences](/organization/swedish-university-agricultural-sciences)

[Sukachev Institute of Forest](/organization/sukachev-institute-forest)

[University of Oslo](/organization/university-oslo)

[Lund University](/organization/lund-university)

[University of Montreal](/organization/university-montreal)

[University of Eastern Finland](/organization/university-eastern-finland)

[Osaka Metropolitan University](/organization/osaka-metropolitan-university)

[Norwegian Institute of Bioeconomy Research](/organization/norwegian-institute-bioeconomy-research)

[University of Gothenburg](/organization/university-gothenburg)

[Carleton University](/organization/carleton-university)

 

 

Resource Type

[Peer reviewed article](/taxonomy/term/37)

 

 

Author(s)

Manuel Helbig

Tatjana Živković

Pavel Alekseychik

Mika Aurela

Tarek El-Madany

Eugenie Euskirchen

Lawrence Flanagan

Timothy Griffis

Paul Hanson

Juha Hatakka

Carole Helfter

Takashi Hirano

Elyn Humphreys

Ger Kiely

Randall Kolka

Tuomas Laurila

Paul Leahy

Annalea Lohila

Ivan Mammarella

Mats Nilsson

Alexey Panov

Frans-Jan Parmentier

Matthias Peichl

Janne Rinne

Daniel Roman

Oliver Sonnentag

Eeva‐Stiina Tuittila

Masahito Ueyama

Timo Vesala

Patrik Vestin

Simon Weldon

Per Weslien

Sönke Zaehle

 

 

Original Authors

Manuel Helbig

Tatjana Živković

Pavel Alekseychik

Mika Aurela

Tarek El-Madany

Eugenie Euskirchen

Lawrence Flanagan

Timothy Griffis

Paul Hanson

Juha Hatakka

Carole Helfter

Takashi Hirano

Elyn Humphreys

Ger Kiely

Randy Kolka

Tuomas Laurila

Paul Leahy

Annalea Lohila

Ivan Mammarella

Mats Nilsson

Alexey Panov

Frans-Jan Parmentier

Matthias Peichl

Janne Rinne

Daniel Roman

Oliver Sonnentag

Eeva-Stiina Tuittila

Masahito Ueyama

Timo Vesala

Patrik Vestin

Simon Weldon

Per Weslien

Sönke Zaehle

 

 

Resource Date:

August

2022

 

 

*This resource is available on an external database and may require a paid subscription to access it. It is included on the CCLM to support our goal of capturing and sharing the breadth of all available knowledge pertaining to Boreal Caribou, Wetlands, and Land Management.*

Peatlands have acted as net CO2 sinks over millennia, exerting a global climate cooling effect. Rapid warming at northern latitudes, where peatlands are abundant, can disturb their CO2 sink function. Here we show that sensitivity of peatland net CO2 exchange to warming changes in sign and magnitude across seasons, resulting in complex net CO2 sink responses. We use multiannual net CO2 exchange observations from 20 northern peatlands to show that warmer early summers are linked to increased net CO2 uptake, while warmer late summers lead to decreased net CO2 uptake. Thus, net CO2 sinks of peatlands in regions experiencing early summer warming, such as central Siberia, are more likely to persist under warmer climate conditions than are those in other regions. Our results will be useful to improve the design of future warming experiments and to better interpret large-scale trends in peatland net CO2 uptake over the coming few decades.