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DFG project G:(GEPRIS)139819005

Links between local scale and catchment scale measurements and modelling of gas exchange processes over land surfaces

Coordinator	Dr. Alexander Graf ; Professor Dr. Clemens Simmer
Grant period	2009 - 2016
Funding body	Deutsche Forschungsgemeinschaft
	DFG
Identifier	G:(GEPRIS)139819005

Note: Gas exchange between the land surface and the atmosphere is becoming an increasingly important component in modelling the state and the future of the climate system for enhanced climate and weather prediction. Due to the vast inhomogeneity of the land surface and the different scale-dependent characteristics of atmospheric motions there exists a scale gap in addressing these processes in current measurement and modelling methods: No clear concept exists to bridge from the local scale where exchange processes happen close to and at the land surface, to the scales which are suitable to describe and model these transports in the atmospheric environment e.g. by eddy-covariance methods and common boundary layer models, respectively. This project will approach this problem by an integrated methodology combining a set of different local measurement techniques with boundary layer scale estimates ranging from traditional techniques up to modern remote sensing tools and a suite of modelling approaches encompassing the whole atmospheric boundary layer. A flux chamber concept especially adapted to closing the scale gap from the measurement aspect will be designed and applied.

Deutsche Forschungsgemeinschaft (DFG)

Recent Publications

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Journal Article Lothon, M. (Corresponding Author) ; Lohou, F. ; Pino, D. ; et al
The BLLAST field experiment: Boundary-Layer Late Afternoon and Sunset Turbulence
Atmospheric chemistry and physics 14(20), 10931 - 10960 (2014) [10.5194/acp-14-10931-2014]2014 Files Fulltext by OpenAccess repository BibTeX | EndNote: XML, Text | RIS

Journal Article van de Boer, A. (Corresponding Author) ; Moene, A. F. ; Graf, A.FZJ* ; Simmer, C. ; Holtslag, A. A. M.
Estimation of the refractive index structure parameter from single-level daytime routine weather data
Applied optics 53(26), 5944-5960 (2014) [10.1364/AO.53.005944]2014 Files BibTeX | EndNote: XML, Text | RIS

Journal Article van de Boer, A. (Corresponding Author) ; Moene, A. F. ; Graf, A.FZJ* ; Schüttemeyer, D. ; Simmer, C.
Detection of Entrainment Influences on Surface-Layer Measurements and Extension of Monin–Obukhov Similarity Theory
Boundary layer meteorology 152(1), 19 - 44 (2014) [10.1007/s10546-014-9920-8]2014 Files BibTeX | EndNote: XML, Text | RIS

Journal Article Graf, A. (Corresponding author)FZJ* ; Boer, A. ; Moene, A. ; Vereecken, H.FZJ*
Intercomparison of Methods for the Simultaneous Estimation of Zero-Plane Displacement and Aerodynamic Roughness Length from Single-Level Eddy-Covariance Data
Boundary layer meteorology 151(2), 373 - 387 (2014) [10.1007/s10546-013-9905-z]2014 Files BibTeX | EndNote: XML, Text | RIS

Journal Article Langensiepen, M. (Corresponding author) ; Kupisch, M. ; Graf, A.FZJ* ; Schmidt, M.FZJ* ; Ewert, F.
Improving the stem heat balance method for determining sap-flow in wheat
Agricultural and forest meteorology 186, 34 - 42 (2014) [10.1016/j.agrformet.2013.11.007]2014 Files BibTeX | EndNote: XML, Text | RIS

Poster (Other) Graf, A. (Corresponding author)FZJ* ; van de Boer, A. ; Schüttemeyer, D. ; Moene, A. ; Vereecken, H.FZJ*
Intercomparison of methods for the estimation of displacement height and roughness length from single-level eddy covariance data
2013EGU General Assembly 2013, ViennaVienna, Austria, 7 Apr 2013 - 12 Apr 20132013-04-072013-04-12 Fulltext BibTeX | EndNote: XML, Text | RIS

Journal Article Graf, A. (Corresponding author)FZJ* ; Werner, J. ; Langensiepen, M. ; van de Boer, A. ; Schmidt, M.FZJ* ; Kupisch, M. ; Vereecken, H.FZJ*
Validation of a minimum microclimate disturbance chamber for net ecosystem flux measurements
Agricultural and forest meteorology 174-175, 1 - 14 (2013) [10.1016/j.agrformet.2013.02.001]2013 Files Fulltext BibTeX | EndNote: XML, Text | RIS

Journal Article van de Boer, A. (Corresponding author) ; Moene, A. F. ; Schüttemeyer, D. ; Graf, A.FZJ*
Sensitivity and uncertainty of analytical footprint models according to a combined natural tracer and ensemble approach
Agricultural and forest meteorology 169, 1 - 11 (2013) [10.1016/j.agrformet.2012.09.016]2013 Files Fulltext BibTeX | EndNote: XML, Text | RIS

Conference Presentation (Other) Graf, A. (Corresponding author)FZJ* ; van de Boer, A. ; Werner, J. ; Langensiepen, M. ; Schmidt, M.FZJ* ; Schüttemeyer, D. ; Vereecken, H.FZJ*
A tunnel-shaped flow-through chamber for minimum disturbance net ecosystem flux measurements
201230th Conference on Agricultural and Forest Meteorology/First Conference on Atmospheric Biogeosciences, BostonBoston, U.S.A., 29 May 2012 - 1 Jun 20122012-05-292012-06-01 Fulltext BibTeX | EndNote: XML, Text | RIS

All known publications ...
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Record created 2021-09-20, last modified 2024-09-25

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