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@ARTICLE{Rahman:203400,
author = {Rahman, M. and Sulis, M. and Kollet, Stefan},
title = {{T}he subsurface–land surface–atmosphere connection
under convective conditions},
journal = {Advances in water resources},
volume = {83},
issn = {0309-1708},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2015-05343},
pages = {240 - 249},
year = {2015},
abstract = {The dynamics of the free groundwater table influence land
surface soil moisture and energy balance components, and are
therefore also linked to atmospheric processes. In this
study, the sensitivity of the atmosphere to groundwater
table dynamics induced heterogeneity in land surface
processes is examined under convective conditions. A fully
coupled subsurface–land surface–atmosphere model is
applied over a 150 km × 150 km study area located in
Western Germany and ensemble simulations are performed over
two convective precipitation events considering two separate
model configurations based on groundwater table dynamics.
Ensembles are generated by varying the model atmospheric
initial conditions following the prescribed ensemble
generation method by the German Weather Service in order to
account for the intrinsic, internal atmospheric variability.
The results demonstrate that especially under strong
convective conditions, groundwater table dynamics affect
atmospheric boundary layer height, convective available
potential energy, and precipitation via the coupling with
land surface soil moisture and energy fluxes. Thus, this
study suggests that systematic uncertainties may be
introduced to atmospheric simulations if groundwater table
dynamics are neglected in the model.},
cin = {IBG-3},
ddc = {550},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {255 - Terrestrial Systems: From Observation to Prediction
(POF3-255)},
pid = {G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000360192200021},
doi = {10.1016/j.advwatres.2015.06.003},
url = {https://juser.fz-juelich.de/record/203400},
}