[1593] - Impact of surface-heterogeneity on atmosphere and land-surface interactions

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Liu, S., Shao, Y., Kunoth, A., Simmer, C., 2017. Impact of surface-heterogeneity on atmosphere and land-surface interactions. Environmental Modelling & Software, 88, 35 - 47.
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Title(s):Main Title: Impact of surface-heterogeneity on atmosphere and land-surface interactions
Description(s):Abstract: Land-surface heterogeneity occurs on many scales, but its inclusion remains an unsolved problem in land-surface and atmospheric boundary-layer schemes for weather and climate models. We investigate the propagation of land-surface heterogeneity in a convective boundary layer using an atmosphere and land-surface coupled large-eddy model. Simulations are made for land surfaces of different heterogeneity scales and a uniform land surface. A multi-scale analysis is carried out and it is found that while domain-and-time averaged fluxes and state variables are not sensitive to land-surface heterogeneity, atmospheric patterns are. Close to the surface, atmospheric patterns are dominated by land-surface forced patterns; away from the surface, “eigen” patterns dominate and forced patterns reemerge for large averaging times. While small-scale land-surface features are more rapidly destroyed by turbulence, large-scale features can persist over hundreds of meters.
Citation Advice:Liu, S., Y. Shao, A. Kunoth, and C. Simmer, 2017: Impact of surface-heterogeneity on atmosphere and land surface interactions. Environmental Modelling and Software, doi:10.1016/j.envsoft.2016.11.006, 88, 35–47.
Responsible Party
Creator(s):Author: Shaofeng Liu
Author: Yaping Shao
Author: Angela Kunoth
Author: Clemens Simmer
TR32 Topic:Atmosphere
Related Sub-project(s):D6
Subject(s):CRC/TR32 Keywords: Atmosphere–Land Interaction, Heterogeneous Surface, LES
File Details
File Name:Liu_et_al.EMS.2017.pdf
Data Type:Text
File Size:4152 kB (4.055 MB)
Date(s):Created: 2017-02-10
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.
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:Ellebach
Measurement Location:Merken
Specific Informations - Publication
Article Type:Journal
Source:Environmental Modelling & Software
Page Range:35 - 47
Metadata Details
Metadata Creator:Shaofeng Liu
Metadata Created:2017-02-10
Metadata Last Updated:2017-02-10
Funding Phase:3
Metadata Language:English
Metadata Version:V41
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Metadata Downloads:0
Dataset Downloads:2
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