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@INPROCEEDINGS{Vila:861108,
      author       = {Vila, Jordi and Hartogensis, Oscar and Quade, Maria and
                      Matveeva, Maria and Roeckmann, Thomas and Adnew, Getachev
                      and de Boer, Hugo and Emin, Dzhaner and Schmäck, Jessica
                      and Langensiepen, Matthias and Schmidt, Marius and
                      Klosterhalfen, Anne and Ney, Patrizia and Brüggemann,
                      Nicolas and Graf, Alexander},
      title        = {{C}loud{R}oots: an integrated field experiment and
                      modelling approach to study soil-plant-atmosphere
                      interactions},
      journal      = {Geophysical research abstracts},
      volume       = {21},
      issn         = {1029-7006},
      reportid     = {FZJ-2019-01673},
      pages        = {EGU2019-10114-1},
      year         = {2019},
      abstract     = {Due to their high-quality routine measurement programme,
                      ICOS sites lend themselves as anchors for additional
                      experiments. As an example, we describe the CloudRoots
                      campaign near the agricultural site Selhausen (DE-RuS)in
                      spring 2018. Little is known about the two-way feedback
                      between stomatal control (controlling the partitioning of
                      energy into sensible and latent heat) and cloud development
                      (affecting potential evapotranspiration). Coupled models of
                      the soil-vegetation-boundary layer continuum have the
                      potential to explain this, but their calculations are only
                      as robust as the data used to parameterize or validate the
                      model. For observations and modelling, the challenge is
                      ininterconnecting processes at leaf level to the physics of
                      turbulence and clouds. We temporarily amend the existing
                      radiation, flux and soil dynamics/respiration measurements
                      of the ICOS site by scintillometry, sap-flow and leaf-level
                      flux measurements, vertical profiles and isotope
                      measurements. Scintillometers provide minute-scale turbulent
                      fluxes enabling to connect stomatal responses to the energy,
                      moisture and CO2 fluxes at this timescale [1]. Sap-flow [2],
                      leaf-level chamber, canopy-resolving profile [3] and isotope
                      measurements have the potential to distinguish stomatal CO2
                      and H2O fluxes from the eddy-covariance based net fluxes.
                      Relating the leaf and canopy level measurements to cloud
                      development and potential cross-scale feedbacks are
                      integrated and explored with the CLASS model ([4],
                      https://classmodel.github.io). The campaign is partnering
                      with two complementary test campaigns for the FLEX
                      mission(https://earth.esa.int/web/guest/missions/esa-future-missions/flex)
                      and the MOSES project (https://moses.eskp.de/home/), taking
                      place, among others, in the same region in spring and summer
                      2018. The poster will show first results and method
                      intercomparisons from the CloudRoots field campaign.[1] van
                      Kesteren et al. 2013, Agric. For. Meteorol.
                      178-179:75-105[2] Langensiepen et al. 2014, Agric. For.
                      Meteorol. 186:34[3] Ney and Graf 2018, Bound.-Layer
                      Meteorol. 166:449[4] Vilà-Guerau de Arellano et al. 2015,
                      Atmospheric Boundary Layer: Integrating air chemistry and
                      land interactions. Cambridge University Press.},
      month         = {Apr},
      date          = {2019-04-07},
      organization  = {EGU General Assembly, Vienna
                       (Austria), 7 Apr 2019 - 12 Apr 2019},
      cin          = {IBG-3},
      ddc          = {550},
      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) / DFG
                      project 15232683 - TRR 32: Muster und Strukturen in
                      Boden-Pflanzen-Atmosphären-Systemen: Erfassung,
                      Modellierung und Datenassimilation (15232683) / TERENO -
                      Terrestrial Environmental Observatories (TERENO-2008)},
      pid          = {G:(DE-HGF)POF3-255 / G:(DE-Juel1)BMBF-01LN1313A /
                      G:(GEPRIS)15232683 / G:(DE-HGF)TERENO-2008},
      typ          = {PUB:(DE-HGF)16 / PUB:(DE-HGF)8},
      url          = {https://juser.fz-juelich.de/record/861108},
}