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@ARTICLE{Graf:884091,
      author       = {Graf, Alexander and Klosterhalfen, Anne and Arriga, Nicola
                      and Bernhofer, Christian and Bogena, Heye and Bornet,
                      Frédéric and Brüggemann, Nicolas and Brümmer, Christian
                      and Buchmann, Nina and Chi, Jinshu and Chipeaux, Christophe
                      and Cremonese, Edoardo and Cuntz, Matthias and Dušek,
                      Jiří and El-Madany, Tarek S. and Fares, Silvano and
                      Fischer, Milan and Foltýnová, Lenka and Gharun, Mana and
                      Ghiasi, Shiva and Gielen, Bert and Gottschalk, Pia and
                      Grünwald, Thomas and Heinemann, Günther and Heinesch,
                      Bernard and Heliasz, Michal and Holst, Jutta and Hörtnagl,
                      Lukas and Ibrom, Andreas and Ingwersen, Joachim and
                      Jurasinski, Gerald and Klatt, Janina and Knohl, Alexander
                      and Koebsch, Franziska and Konopka, Jan and Korkiakoski,
                      Mika and Kowalska, Natalia and Kremer, Pascal and Kruijt,
                      Bart and Lafont, Sebastien and Léonard, Joël and De Ligne,
                      Anne and Longdoz, Bernard and Loustau, Denis and Magliulo,
                      Vincenzo and Mammarella, Ivan and Manca, Giovanni and
                      Mauder, Matthias and Migliavacca, Mirco and Mölder, Meelis
                      and Neirynck, Johan and Ney, Patrizia and Nilsson, Mats and
                      Paul-Limoges, Eugénie and Peichl, Matthias and Pitacco,
                      Andrea and Poyda, Arne and Rebmann, Corinna and Roland,
                      Marilyn and Sachs, Torsten and Schmidt, Marius and Schrader,
                      Frederik and Siebicke, Lukas and Šigut, Ladislav and
                      Tuittila, Eeva-Stiina and Varlagin, Andrej and Vendrame,
                      Nadia and Vincke, Caroline and Völksch, Ingo and Weber,
                      Stephan and Wille, Christian and Wizemann, Hans-Dieter and
                      Zeeman, Matthias and Vereecken, Harry},
      title        = {{A}ltered energy partitioning across terrestrial ecosystems
                      in the {E}uropean drought year 2018},
      journal      = {Philosophical transactions / B Biological sciences Series
                      B},
      volume       = {375},
      number       = {1810},
      issn         = {1471-2970},
      address      = {London},
      publisher    = {Royal Society},
      reportid     = {FZJ-2020-03088},
      pages        = {20190524 -},
      year         = {2020},
      abstract     = {Drought and heat events, such as the 2018 European drought,
                      interact with the exchange of energy between the land
                      surface and the atmosphere, potentially affecting albedo,
                      sensible and latent heat fluxes, as well as CO2 exchange.
                      Each of these quantities may aggravate or mitigate the
                      drought, heat, their side effects on productivity, water
                      scarcity and global warming. We used measurements of 56 eddy
                      covariance sites across Europe to examine the response of
                      fluxes to extreme drought prevailing most of the year 2018
                      and how the response differed across various ecosystem types
                      (forests, grasslands, croplands and peatlands). Each
                      component of the surface radiation and energy balance
                      observed in 2018 was compared to available data per site
                      during a reference period 2004–2017. Based on anomalies in
                      precipitation and reference evapotranspiration, we
                      classified 46 sites as drought affected. These received on
                      average $9\%$ more solar radiation and released $32\%$ more
                      sensible heat to the atmosphere compared to the mean of the
                      reference period. In general, drought decreased net CO2
                      uptake by $17.8\%,$ but did not significantly change net
                      evapotranspiration. The response of these fluxes differed
                      characteristically between ecosystems; in particular, the
                      general increase in the evaporative index was strongest in
                      peatlands and weakest in croplands.This article is part of
                      the theme issue ‘Impacts of the 2018 severe drought and
                      heatwave in Europe: from site to continental scale’.},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255) / IDAS-GHG - Instrumental and Data-driven
                      Approaches to Source-Partitioning of Greenhouse Gas Fluxes:
                      Comparison, Combination, Advancement (BMBF-01LN1313A) /
                      TERENO - Terrestrial Environmental Observatories
                      (TERENO-2008) / ICOS - Integrated Carbon Observation System
                      (211574)},
      pid          = {G:(DE-HGF)POF3-255 / G:(DE-Juel1)BMBF-01LN1313A /
                      G:(DE-HGF)TERENO-2008 / G:(EU-Grant)211574},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32892732},
      UT           = {WOS:000570228700005},
      doi          = {10.1098/rstb.2019.0524},
      url          = {https://juser.fz-juelich.de/record/884091},
}