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Oral Programme AS2.1

AS2.1

Air-Land Interactions (General Session) (co-sponsored by iLEAPS)
Convener: Thomas Foken  | Co-Convener: Andreas Ibrom 
Oral Programme
 / Thu, 07 Apr, 10:30–12:00  / 13:30–17:00  / Room 12
 / Fri, 08 Apr, 08:30–10:00  / Room 19
Poster Programme
 / Attendance Fri, 08 Apr, 10:30–12:00  / Display Fri, 08 Apr, 08:00–17:00  / Halls X/Y

Thursday, 07 Apr 2011
Room 12
Chairperson: Foken
10:30–10:45
EGU2011-9984
Field Intercomparison of Gas Analysers and Ultrasonic Anemometers for Eddy Covariance Measurements
Nicola Arriga, Gerardo Fratini, Antonio Forgione, Alessio Boschi, Carlo Trotta, and Dario Papale
10:45–11:00
EGU2011-9172
Instrumental and methodological limitations of CO2 isotopologue eddy covariance measurements
Patrick Sturm, Werner Eugster, and Alexander Knohl
11:00–11:15
EGU2011-4908
An improved procedure for determining random errors of eddy covariance measurements for data assimilation
Wittaya Kessomkiat, Harrie-Jan Hendricks Franssen, Alexander Graf, and Harry Vereecken
11:15–11:30
EGU2011-10008
Tower-based and airborne sampler for disjunct eddy covariance measurements of biogenic VOC
Romain Baghi, Claire Delon, Pierre Durand, Corinne Jambert, Christian Jarnot, Jean-Michel Martin, Romain Mathon, Dominique Serça, and Nicolas Striebig
11:30–11:45
EGU2011-9385
Estimating a Lagrangian Length Scale using CO2 Measurements in Two Plant Canopies
Shannon Brown, Jon Warland, Ralf Staebler, Eduardo Santos, Claudia Wagner-Riddle, and Paul Bartlett
11:45–12:00
EGU2011-3953
Quantification of Evaporation from a Small Water Storage Reservoir: An Inter-comparison of the Scintillometry and Eddy Covariance Methods
Ryan McGloin, Hamish McGowan, David McJannet, Freeman Cook, and Stewart Burn
LUNCH BREAK
13:30–13:45
EGU2011-10347
The impact of covariance measures on the energy balance closure
Eva Falge, Andrei Serafimovich, and Peter Werle
13:45–14:00
EGU2011-3066
Energy balance closure at global-distributed eddy covariance research sites: the role of landscape-level heterogeneity
Paul Stoy and Matthias Mauder
14:00–14:15
EGU2011-4506
Average length extension and its effects on the eddy-covariance measurements during the LITFASS-2003 experiment
Doojdao Charuchittipan, Matthias Mauder, Jens-Peter Leps, Frank Beyrich, and Thomas Foken
14:15–14:30
EGU2011-10475
Analysis of diabatic flow modification in the internal boundary layer
Rogier Floors, Sven-Erik Gryning, Alfredo Peña, and Ekaterina Batchvarova
14:30–14:45
EGU2011-11162
Bias in flux partitioning due to the choice of the driving temperature
Gitta Lasslop, Markus Reichstein, Mirco Migliavacca, and Alessandro Cescatti
14:45–15:00
EGU2011-6384
Uncertainty analysis of analytical flux footprint models
Anneke van de Boer, Alexander Graf, Arnold F. Moene, and Dirk Schüttemeyer
COFFEE BREAK
15:30–15:45
EGU2011-11160
Influence of low-level jets on the nocturnal budget of turbulence kinetic energy in a forest canopy
Pavel Sedlak, Henrique F. Duarte, and Monique Y. Leclerc
15:45–16:00
EGU2011-5237 | presentation | presentation
Vertical Variations of Mixing Lengths During CASES99
Jielun Sun
16:00–16:15
EGU2011-2935
Flow Pattern and Pollutant Removal Behavior for Idealized 2D Urban Street Canyons in Different Thermal Stratifications using Large-Eddy Simulation
Wai Chi Cheng and Chun-Ho Liu
16:15–16:30
EGU2011-11730 | presentation | presentation
Large eddy simulation of drainage flows
Craig Smith and Fernando Porte-Agel
16:30–16:45
EGU2011-6401 | presentation | presentation
An empirical expression to relate aerodynamic and surface temperatures for use within single-source energy balance models.
Gilles Boulet, Albert Olioso, Jonas Chirouze, Eric Ceschia, Vincent Rivalland, Ghani Chehbouni, and Jean-Pierre Lagouarde
16:45–17:00
EGU2011-2527
The simulation of the opposing fluxes of latent heat and CO2 over various land-use types - coupling a gas exchange model to a mesoscale atmospheric model
Mark Reyers, Andreas Krüger, Christiane Werner, Joaquim G. Pinto, Stefan Zacharias, and Michael Kerschgens

Friday, 08 Apr 2011
Room 19
Chairperson: Foken
08:30–08:45
EGU2011-7015
Aircraft-based methane flux estimates for an agriculturally dominated valley in Switzerland
Rebecca Hiller, Bruno Neininger, Dominik Brunner, Nina Buchmann, and Werner Eugster
08:45–09:00
EGU2011-11426
In-situ comparison of evapotranspiration estimates at the Rietholzbach catchment
Irene Lehner and Sonia I. Seneviratne
09:00–09:15
EGU2011-11914
Eddy-covariance measurements of methane fluxes from a Swedish lake
Erik Sahlée, Anna Rutgersson, Eva Podgrajsek, and David Bastviken
09:15–09:30
EGU2011-2645
Cooperative control of katabatic flows within canopies with terrain slope, canopy structure, and thermal velocity
Chuixiang Yi and Hongbin Chen
09:30–09:45
EGU2011-840
Land surface-atmosphere energy exchanges during pre-monsoon thunderstorm activity over barren and agriculture field sites at two tropical stations
Bhishma Tyagi, Achanta Naga Venkata Satyanarayana, Manabottam Mandal, Manoj Kumar, and Nc Mahanti
09:45–10:00
EGU2011-530
Vertical and Lateral Carbon Flux in a Larrea/Cardón Ecosystem near La Paz, BCS, Mexico
Thomas Bell and Walter Oechel