[1160] - The subsurface-land surface-atmosphere connection under convective conditions

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Rahman, A. M., Sulis, M., Kollet, S., 2015. The subsurface-land surface-atmosphere connection under convective conditions. Advances in Water Resources, 1 - 42. DOI: 10.1016/j.advwatres.2015.06.003.
Title(s):Main Title: The subsurface-land surface-atmosphere connection under convective conditions
Description(s):Abstract: The dynamics of the free groundwater table influence land surface soil moisture and energy balance components, and is 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 150x150 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.
Identifier(s):DOI: 10.1016/j.advwatres.2015.06.003
Citation Advice:M. Rahman , M. Sulis , S.J. Kollet , The subsurface-land surface- atmosphere connection under convective conditions, Advances in Water Resources (2015), doi: 10.1016/j.advwatres.2015.06.003
Responsible Party
Creator(s):Author: A.S.M. Mostaquimura Rahman
Author: Mauro Sulis
Author: Stefan Kollet
TR32 Topic:Atmosphere
Related Sub-project(s):D7
Subject(s):CRC/TR32 Keywords: Land-Atmosphere Interaction, Atmospheric Modelling
File Details
File Name:manuscript_paper2.pdf
Data Type:Text
File Size:913 kB (0.892 MB)
Date(s):Available: 2014-11-07
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
North:-no map data
Measurement Region:RurCatchment
Measurement Location:--RurCatchment--
Specific Informations - Publication
Article Type:Journal
Source:Advances in Water Resources
Page Range:1 - 42
Metadata Details
Metadata Creator:A.S.M.Mostaquimur Rahman
Metadata Created:2015-06-24
Metadata Last Updated:2015-06-24
Funding Phase:2
Metadata Language:English
Metadata Version:V41
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