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Orals SSS7.5

SSS7.5

Understanding biological and geological sources of soil CO2 and the principles of gas transport through the soil matrix to understand soil CO2 effluxes
Convener: Jorge Curiel Yuste  | Co-Conveners: Enrique Perez Sanchez-Canete , Martin Maier , Michael Bahn 
Orals
 / Thu, 16 Apr, 08:30–10:15  / Room B2
Posters
 / Attendance Thu, 16 Apr, 17:30–19:00  / Blue Posters

Thursday, 16 April 2015
Room B2
Chairperson: Jorge Curiel Yuste
08:30–08:45
EGU2015-8010
In-situ diffusivity measurements using solid-state CO2 sensors
Nick Nickerson, Willow Sereda-Meichel, Chance Creelman, Gordon McArthur, and David Risk
08:45–09:00
EGU2015-15927
Importance of Non-Diffusive Transport for Soil CO2 Efflux in a Temperate Mountain Grassland
Marilyn Roland, Sara Vicca, Michael Bahn, Thomas Ladreiter-Knauss, Michael Schmitt, and Ivan A. Janssens
09:00–09:15
EGU2015-6908
Biological and geological carbon sources in a steppe ecosystem in the SE of Spain
Ana Rey, Luca Belelli-Marchesini, Giuseppe Etiope, and Dario Papale
09:15–09:30
EGU2015-1227
Measuring and modelling the intra-day variability of the 13CO2 & 12CO2 vertical soil profile production in a Scots pine forest
Bernard LONGDOZ, Stéphanie GOFFIN, Florian PARENT, Caroline PLAIN, Daniel EPRON, Christophe WYLOCK, Benoit HAUT, Marc AUBINET, and Martin MAIER
09:30–09:45
EGU2015-1965
2 D patterns of soil gas diffusivity , soil respiration, and methane oxidation in a soil profile
Martin Maier, Helmer Schack-Kirchner, and Friederike Lang
09:45–10:00
EGU2015-5674
A multi-layer, closed-loop system for continuous measurement of CO2 concentrations and its isotopic signature in forest soils as a basis for CO2 efflux calculation and for revealing its controls
Hubert Jochheim and Stephan Wirth
10:00–10:15
EGU2015-6488
Environmental forcing does not lead to variation in carbon isotope content of forest soil respiration
David Bowling, Jocelyn Egan, Steven Hall, and David Risk