[981] - Inclusion of CO2 fluxes in a coupled mesoscale land surface and atmospheric model

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Citation
Übel, M., 2013. Inclusion of CO2 fluxes in a coupled mesoscale land surface and atmospheric model. PhD Report, Meteorological Institute, University Bonn, Bonn, Germany. Accessed from https://www.tr32db.uni-koeln.de/data.php?dataID=981 at 2019-08-20.
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Identification
Title(s):Main Title: Inclusion of CO2 fluxes in a coupled mesoscale land surface and atmospheric model
Alternative Title: 5th report
Description(s):Abstract: An essential part of a successful weather prediction with numerical models is an accurate simulation of the interaction of the land surface with the lower atmosphere. We use the model system TerrSysMP that couples the atmospheric model COSMO with the Community Land Model (CLM). TerrSysMP comprehensively simulates the exchange processes between the soil, the vegetation and the atmosphere in terms of water, carbon dioxide (CO2), heat and momentum fluxes. Field measurements on the regional scale indicate distinct spatio-temporal heterogeneities in the atmospheric CO2 concentration. This variability is caused by different plant types (e.g. agriculture, forest, grassland) that produce different net CO2 fluxes and by atmospheric transport. The net CO2 flux consists of the photosynthesis rate as an atmospheric sink as well as plant and soil respiration as sources for the atmospheric CO2 concentration. Additional to these natural fluxes, anthropogenic emissions influence the atmospheric CO2 concentration. The focus of this semi-annual report is on soil respiration. After some including words on soil respiration in Section 2, the parameterization of heterotrophic soil respiration with the Rothamsted Carbon Model (RothC) will be explained in Section 3. Section 4 shows results of sensitivity tests with the RothC model included in TerrSysMP and in the outlook (Section 5) the treatment of autotrophic respiration in CLM and a possible extention of the soil respiration parameterization with the carbon transport model SOILCO2 will be described.
Responsible Party
Creator(s):Author: Markus Übel
Publisher:CRC/TR32 Database (TR32DB)
Topic
TR32 Topic:Atmosphere
Subject(s):CRC/TR32 Keywords: PhD Report
File Details
File Name:Report4_Uebel_2013.pdf
Data Type:Text
File Size:3588 kB (3.504 MB)
Date(s):Created: 2013-12-06
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
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
Geographic
North:-no map data
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Measurement Region:None
Measurement Location:--None--
Specific Informations - Report
Report Date:6th of December, 2013
Report Type:PhD Report
Report City:Bonn, Germany
Report Institution:Meteorological Institute, University Bonn
Metadata Details
Metadata Creator:Anastasia Bauer
Metadata Created:2014-07-23
Metadata Last Updated:2014-07-23
Subproject:C4
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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Dataset Downloads:3
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