ORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scales

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dc.contributor.authorQiu, Chunjing
dc.contributor.authorZhu, Dan
dc.contributor.authorCiais, Philippe
dc.contributor.authorGuenet, Bertrand
dc.contributor.authorKrinner, Gerhard
dc.contributor.authorPeng, Shushi
dc.contributor.authorAurela, Mika
dc.contributor.authorBernhofer, Christian
dc.contributor.authorBruemmer, Christian
dc.contributor.authorBret-Harte, Syndonia
dc.contributor.authorChu, Housen
dc.contributor.authorChen, Jiquan
dc.contributor.authorDesai, Ankur R.
dc.contributor.authorDusek, Jiri
dc.contributor.authorEuskirchen, Eugenie S.
dc.contributor.authorFortuniak, Krzysztof
dc.contributor.authorFlanagan, Lawrence B.
dc.contributor.authorFriborg, Thomas
dc.contributor.authorGrygoruk, Mateusz
dc.contributor.authorGogo, Sebastien
dc.contributor.authorGruenwald, Thomas
dc.contributor.authorHansen, Birger U.
dc.contributor.authorHoll, David
dc.contributor.authorHumphreys, Elyn
dc.contributor.authorHurkuck, Miriam
dc.contributor.authorKiely, Gerard
dc.contributor.authorKlatt, Janina
dc.contributor.authorKutzbach, Lars
dc.contributor.authorLargeron, Chloe
dc.contributor.authorLaggoun-Defarge, Fatima
dc.contributor.authorLund, Magnus
dc.contributor.authorLafleur, Peter M.
dc.contributor.authorLi, Xuefei
dc.contributor.authorMammarella, Ivan
dc.contributor.authorMerbold, Lutz
dc.contributor.authorNilsson, Mats B.
dc.contributor.authorOlejnik, Janusz
dc.contributor.authorOttosson-Lofvenius, Mikaell
dc.contributor.authorOechel, Walter
dc.contributor.authorParmentier, Frans-Jan W.
dc.contributor.authorPeichl, Matthias
dc.contributor.authorPirk, Norbert
dc.contributor.authorPeltola, Olli
dc.contributor.authorPawlak, Wlodzimierz
dc.contributor.authorRasse, Daniel
dc.contributor.authorRinne, Janne
dc.contributor.authorShaver, Gaius
dc.contributor.authorSchmid, Hans Peter
dc.contributor.authorSottocornola, Matteo
dc.contributor.authorSteinbrecher, Rainer
dc.contributor.authorSachs, Torsten
dc.contributor.authorUrbaniak, Marek
dc.contributor.authorZona, Donatella
dc.contributor.authorZiemblinska, Klaudia
dc.contributor.funderEuropean Research Council
dc.contributor.funderNarodowe Centrum Nauki
dc.contributor.funderNational Aeronautics and Space Administration
dc.contributor.funderHorizon 2020
dc.contributor.funderNatural Environment Research Council
dc.contributor.funderLabex
dc.contributor.funderNational Science Foundation
dc.date.accessioned2018-03-09T12:55:05Z
dc.date.available2018-03-09T12:55:05Z
dc.date.issued2018
dc.description.abstractPeatlands store substantial amounts of carbon and are vulnerable to climate change. We present a modified version of the Organising Carbon and Hydrology In Dynamic Ecosystems (ORCHIDEE) land surface model for simulating the hydrology, surface energy, and CO2 fluxes of peatlands on daily to annual timescales. The model includes a separate soil tile in each 0.5 degrees grid cell, defined from a global peatland map and identified with peat-specific soil hydraulic properties. Runoff from non-peat vegetation within a grid cell containing a fraction of peat is routed to this peat soil tile, which maintains shallow water tables. The water table position separates oxic from anoxic decomposition. The model was evaluated against eddy-covariance (EC) observations from 30 northern peatland sites, with the maximum rate of carboxylation (V-cmax) being optimized at each site. Regarding short-term day-to-day variations, the model performance was good for gross primary production (GPP) (r(2) = 0.76; Nash-Sutcliffe modeling efficiency, MEF = 0.76) and ecosystem respiration (ER, r(2) = 0.78, MEF = 0.75), with lesser accuracy for latent heat fluxes (LE, r(2) = 0.42, MEF = 0.14) and and net ecosystem CO2 exchange (NEE, r(2) = 0.38, MEF = 0.26). Seasonal variations in GPP, ER, NEE, and energy fluxes on monthly scales showed moderate to high r(2) values (0.57-0.86). For spatial across-site gradients of annual mean GPP, ER, NEE, and LE, r(2) values of 0.93, 0.89, 0.27, and 0.71 were achieved, respectively. Water table (WT) variation was not well predicted (r(2) < 0.1), likely due to the uncertain water input to the peat from surrounding areas. However, the poor performance of WT simulation did not greatly affect predictions of ER and NEE. We found a significant relationship between optimized V-cmax and latitude (temperature), which better reflects the spatial gradients of annual NEE than using an average V-cmax value.en
dc.description.sponsorshipNarodowe Centrum Nauki (UMO-2011/01/B/ST10/07550, UMO-2015/17/B/ST10/02187); National Science Foundation (1204263, 1702797); National Aeronautics and Space Administration (ABoVE (NNX15AT74A, NNX16AF94A); Natural Environment Research Council (UAMS grant (NE/P002552/1); Labex (VOLTAIRE (ANR-10-LABX-100-01)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationQiu, C., Zhu, D., Ciais, P., Guenet, B., Krinner, G., Peng, S., Aurela, M., Bernhofer, C., Brümmer, C., Bret-Harte, S., Chu, H., Chen, J., Desai, A. R., Dušek, J., Euskirchen, E. S., Fortuniak, K., Flanagan, L. B., Friborg, T., Grygoruk, M., Gogo, S., Grünwald, T., Hansen, B. U., Holl, D., Humphreys, E., Hurkuck, M., Kiely, G., Klatt, J., Kutzbach, L., Largeron, C., Laggoun-Défarge, F., Lund, M., Lafleur, P. M., Li, X., Mammarella, I., Merbold, L., Nilsson, M. B., Olejnik, J., Ottosson-Löfvenius, M., Oechel, W., Parmentier, F. J. W., Peichl, M., Pirk, N., Peltola, O., Pawlak, W., Rasse, D., Rinne, J., Shaver, G., Schmid, H. P., Sottocornola, M., Steinbrecher, R., Sachs, T., Urbaniak, M., Zona, D. and Ziemblinska, K. (2018) 'ORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scales', Geoscientific Model Development, 11(2), pp. 497-519. doi:10.5194/gmd-11-497-2018en
dc.identifier.doi10.5194/gmd-11-497-2018
dc.identifier.endpage519
dc.identifier.issn1991-959X
dc.identifier.issued2
dc.identifier.journaltitleGeoscientific Model Developmenten
dc.identifier.startpage497
dc.identifier.urihttps://hdl.handle.net/10468/5590
dc.identifier.volume11
dc.language.isoenen
dc.publisherCopernicus Publicationsen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP2::ERC/610028/EU/Effects of phosphorus limitations on Life, Earth system and Society/IMBALANCE-P
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::RIA/727890/EU/Integrated Arctic observation system/INTAROS
dc.relation.urihttps://www.geosci-model-dev.net/11/497/2018/
dc.rights© 2018, the Author(s). This work is distributed under the Creative Commons Attribution 4.0 License. https://creativecommons.org/licenses/by/4.0/en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectPeatlandsen
dc.subjectCarbonen
dc.subjectHydrologyen
dc.titleORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scalesen
dc.typeArticle (peer-reviewed)en
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