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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},
}