Increasing contribution of peatlands to boreal evapotranspiration in a warming climate
Manuel Helbig, J. M. Waddington, Pavel Alekseychik, B. D. Amiro, Mika Aurela, Alan Barr, T. Andrew Black, Peter D. Blanken, Sean K. Carey, Jiquan Chen, Jinshu Chi, Ankur R. Desai, Allison L. Dunn, E. S. Euskirchen, Lawrence B. Flanagan, Inke Forbrich, Thomas Friborg, Achim Grelle, Silvie Harder, Michal Heliasz, Elyn Humphreys, Hiroki Ikawa, Pierre‐Erik Isabelle, Hiroki Iwata, Rachhpal S. Jassal, Mika Korkiakoski, J. Kurbatova, Lars Kutzbach, Anders Lindroth, Mikaell Ottosson Löfvenius, Annalea Lohila, Ivan Mammarella, Philip Marsh, Trofim C. Maximov, Joe R. Melton, Paul Moore, Daniel F. Nadeau, Erin M. Nicholls, Mats B. Nilsson, Takeshi Ohta, Matthias Peichl, Richard M. Petrone, Roman Petrov, Anatoly Prokushkin, W. L. Quinton, David E. Reed, Nigel T. Roulet, Benjamin R. K. Runkle, Oliver Sonnentag, Ian B. Strachan, Pierre Taillardat, Eeva‐Stiina Tuittila, Juha‐Pekka Tuovinen, Jessica Turner, Masahito Ueyama, Andrej Varlagin, Martin Wilmking, Steven C. Wofsy, Vyacheslav Zyrianov
Abstract
The response of evapotranspiration (ET) to warming is of critical importance to the water and carbon cycle of the boreal biome, a mosaic of land cover types dominated by forests and peatlands. The effect of warming-induced vapour pressure deficit (VPD) increases on boreal ET remains poorly understood because peatlands are not specifically represented as plant functional types in Earth system models. Here we show that peatland ET increases more than forest ET with increasing VPD using observations from 95 eddy covariance tower sites. At high VPD of more than 2 kPa, peatland ET exceeds forest ET by up to 30%. Future (2091–2100) mid-growing season peatland ET is estimated to exceed forest ET by over 20% in about one-third of the boreal biome for RCP4.5 and about two-thirds for RCP8.5. Peatland-specific ET responses to VPD should therefore be included in Earth system models to avoid biases in water and carbon cycle projections.- Cite:
- Manuel Helbig, J. M. Waddington, Pavel Alekseychik, B. D. Amiro, Mika Aurela, Alan Barr, T. Andrew Black, Peter D. Blanken, Sean K. Carey, Jiquan Chen, Jinshu Chi, Ankur R. Desai, Allison L. Dunn, E. S. Euskirchen, Lawrence B. Flanagan, Inke Forbrich, Thomas Friborg, Achim Grelle, Silvie Harder, et al.. 2020. Increasing contribution of peatlands to boreal evapotranspiration in a warming climate. Nature Climate Change, Volume 10, Issue 6, 10(6):555–560.
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@article{Helbig-2020-Increasing,
title = "Increasing contribution of peatlands to boreal evapotranspiration in a warming climate",
author = {Helbig, Manuel and
Waddington, J. M. and
Alekseychik, Pavel and
Amiro, B. D. and
Aurela, Mika and
Barr, Alan and
Black, T. Andrew and
Blanken, Peter D. and
Carey, Sean K. and
Chen, Jiquan and
Chi, Jinshu and
Desai, Ankur R. and
Dunn, Allison L. and
Euskirchen, E. S. and
Flanagan, Lawrence B. and
Forbrich, Inke and
Friborg, Thomas and
Grelle, Achim and
Harder, Silvie and
Heliasz, Michal and
Humphreys, Elyn and
Ikawa, Hiroki and
Isabelle, Pierre‐Erik and
Iwata, Hiroki and
Jassal, Rachhpal S. and
Korkiakoski, Mika and
Kurbatova, J. and
Kutzbach, Lars and
Lindroth, Anders and
L{\"o}fvenius, Mikaell Ottosson and
Lohila, Annalea and
Mammarella, Ivan and
Marsh, Philip and
Maximov, Trofim C. and
Melton, Joe R. and
Moore, Paul and
Nadeau, Daniel F. and
Nicholls, Erin M. and
Nilsson, Mats B. and
Ohta, Takeshi and
Peichl, Matthias and
Petrone, Richard M. and
Petrov, Roman and
Prokushkin, Anatoly and
Quinton, W. L. and
Reed, David E. and
Roulet, Nigel T. and
Runkle, Benjamin R. K. and
Sonnentag, Oliver and
Strachan, Ian B. and
Taillardat, Pierre and
Tuittila, Eeva‐Stiina and
Tuovinen, Juha‐Pekka and
Turner, Jessica and
Ueyama, Masahito and
Varlagin, Andrej and
Wilmking, Martin and
Wofsy, Steven C. and
Zyrianov, Vyacheslav},
journal = "Nature Climate Change, Volume 10, Issue 6",
volume = "10",
number = "6",
year = "2020",
publisher = "Springer Science and Business Media LLC",
url = "https://gwf-uwaterloo.github.io/gwf-publications/G20-87001",
doi = "10.1038/s41558-020-0763-7",
pages = "555--560",
abstract = "The response of evapotranspiration (ET) to warming is of critical importance to the water and carbon cycle of the boreal biome, a mosaic of land cover types dominated by forests and peatlands. The effect of warming-induced vapour pressure deficit (VPD) increases on boreal ET remains poorly understood because peatlands are not specifically represented as plant functional types in Earth system models. Here we show that peatland ET increases more than forest ET with increasing VPD using observations from 95 eddy covariance tower sites. At high VPD of more than 2 kPa, peatland ET exceeds forest ET by up to 30{\%}. Future (2091{--}2100) mid-growing season peatland ET is estimated to exceed forest ET by over 20{\%} in about one-third of the boreal biome for RCP4.5 and about two-thirds for RCP8.5. Peatland-specific ET responses to VPD should therefore be included in Earth system models to avoid biases in water and carbon cycle projections.",
}
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<abstract>The response of evapotranspiration (ET) to warming is of critical importance to the water and carbon cycle of the boreal biome, a mosaic of land cover types dominated by forests and peatlands. The effect of warming-induced vapour pressure deficit (VPD) increases on boreal ET remains poorly understood because peatlands are not specifically represented as plant functional types in Earth system models. Here we show that peatland ET increases more than forest ET with increasing VPD using observations from 95 eddy covariance tower sites. At high VPD of more than 2 kPa, peatland ET exceeds forest ET by up to 30%. Future (2091–2100) mid-growing season peatland ET is estimated to exceed forest ET by over 20% in about one-third of the boreal biome for RCP4.5 and about two-thirds for RCP8.5. Peatland-specific ET responses to VPD should therefore be included in Earth system models to avoid biases in water and carbon cycle projections.</abstract>
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%0 Journal Article %T Increasing contribution of peatlands to boreal evapotranspiration in a warming climate %A Helbig, Manuel %A Waddington, J. M. %A Alekseychik, Pavel %A Amiro, B. D. %A Aurela, Mika %A Barr, Alan %A Black, T. Andrew %A Blanken, Peter D. %A Carey, Sean K. %A Chen, Jiquan %A Chi, Jinshu %A Desai, Ankur R. %A Dunn, Allison L. %A Euskirchen, E. S. %A Flanagan, Lawrence B. %A Forbrich, Inke %A Friborg, Thomas %A Grelle, Achim %A Harder, Silvie %A Heliasz, Michal %A Humphreys, Elyn %A Ikawa, Hiroki %A Isabelle, Pierre‐Erik %A Iwata, Hiroki %A Jassal, Rachhpal S. %A Korkiakoski, Mika %A Kurbatova, J. %A Kutzbach, Lars %A Lindroth, Anders %A Löfvenius, Mikaell Ottosson %A Lohila, Annalea %A Mammarella, Ivan %A Marsh, Philip %A Maximov, Trofim C. %A Melton, Joe R. %A Moore, Paul %A Nadeau, Daniel F. %A Nicholls, Erin M. %A Nilsson, Mats B. %A Ohta, Takeshi %A Peichl, Matthias %A Petrone, Richard M. %A Petrov, Roman %A Prokushkin, Anatoly %A Quinton, W. L. %A Reed, David E. %A Roulet, Nigel T. %A Runkle, Benjamin R. K. %A Sonnentag, Oliver %A Strachan, Ian B. %A Taillardat, Pierre %A Tuittila, Eeva‐Stiina %A Tuovinen, Juha‐Pekka %A Turner, Jessica %A Ueyama, Masahito %A Varlagin, Andrej %A Wilmking, Martin %A Wofsy, Steven C. %A Zyrianov, Vyacheslav %J Nature Climate Change, Volume 10, Issue 6 %D 2020 %V 10 %N 6 %I Springer Science and Business Media LLC %F Helbig-2020-Increasing %X The response of evapotranspiration (ET) to warming is of critical importance to the water and carbon cycle of the boreal biome, a mosaic of land cover types dominated by forests and peatlands. The effect of warming-induced vapour pressure deficit (VPD) increases on boreal ET remains poorly understood because peatlands are not specifically represented as plant functional types in Earth system models. Here we show that peatland ET increases more than forest ET with increasing VPD using observations from 95 eddy covariance tower sites. At high VPD of more than 2 kPa, peatland ET exceeds forest ET by up to 30%. Future (2091–2100) mid-growing season peatland ET is estimated to exceed forest ET by over 20% in about one-third of the boreal biome for RCP4.5 and about two-thirds for RCP8.5. Peatland-specific ET responses to VPD should therefore be included in Earth system models to avoid biases in water and carbon cycle projections. %R 10.1038/s41558-020-0763-7 %U https://gwf-uwaterloo.github.io/gwf-publications/G20-87001 %U https://doi.org/10.1038/s41558-020-0763-7 %P 555-560
Markdown (Informal)
[Increasing contribution of peatlands to boreal evapotranspiration in a warming climate](https://gwf-uwaterloo.github.io/gwf-publications/G20-87001) (Helbig et al., GWF 2020)
- Increasing contribution of peatlands to boreal evapotranspiration in a warming climate (Helbig et al., GWF 2020)
ACL
- Manuel Helbig, J. M. Waddington, Pavel Alekseychik, B. D. Amiro, Mika Aurela, Alan Barr, T. Andrew Black, Peter D. Blanken, Sean K. Carey, Jiquan Chen, Jinshu Chi, Ankur R. Desai, Allison L. Dunn, E. S. Euskirchen, Lawrence B. Flanagan, Inke Forbrich, Thomas Friborg, Achim Grelle, Silvie Harder, et al.. 2020. Increasing contribution of peatlands to boreal evapotranspiration in a warming climate. Nature Climate Change, Volume 10, Issue 6, 10(6):555–560.