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We’ll again be active at this year’s EGU meeting – here are our contributions:


Bringing light into the darkness of soil carbonyl sulfide fluxes. Florian Kitz, Felix M. Spielmann, Albin Hammerle, Katharina Gerdel, Olaf Kolle, Mirco Migliavacca, Gerardo Moreno, Andreas Ibrom, Steffen M. Noe, and Georg Wohlfahrt. Mon, 09 Apr, 16:30–16:45, Room 2.20

Methane emissions from alpine lakes – the ALCH4 project. Katharina Scholz, Franco Miglietta, Ruben Sommaruga, Giustino Tonon, and Georg Wohlfahrt. Mon, 09 Apr, 17:30–19:00, Hall A, A.321



Emerging constraints of photosynthesis and respiration at ecosystem to global scales. Convener: Georg Wohlfahrt | Co-Conveners: Mirco Migliavacca, Markus Reichstein, Karolina Sakowska. Posters Attendance Tue, 10 Apr, 15:30–17:00 / Hall A

Flux partitioning plus – joint constraints by carbon dioxide and carbonyl sulfide increase inferred gross primary productivity estimates. Felix M. Spielmann, Florian Kitz, Albin Hammerle, Katharina Gerdel, Olaf Kolle, Mirco Migliavacca, Gerardo Moreno, Andreas Ibrom, Giorgio Alberti, Alessandro Peressotti, Gemini Delle Vedove, and Georg Wohlfahrt. Tue, 10 Apr, 15:30–17:00, Hall A, A.410



Ecosystem-scale carbon monoxide exchange and partitioning across major biomes. Albin Hammerle, Felix Spielmann, Florian Kitz, Katharina Gerdel, Andreas Ibrom, Mirco Migliavacca, Steffen Noe, Dan Yakir, Giorgio Alberti, and Georg Wohlfahrt. Wed, 11 Apr, 15:30–17:00, Hall A, A.267



Unraveling an apparent winter CO2 uptake at a larch forest by coupling different eddy covariance systems. Marta Galvagno, George Burba, Edoardo Cremonese, Tarek El-Madany, Gianluca Filippa, Mirco Migliavacca, Umberto Morra di Cella, and Georg Wohlfahrt. Thu, 12 Apr, 17:30–19:00, Hall X5, X5.129

Eddy covariance carbon dioxide flux measurements above a small lake – micrometeorological land of plenty or nightmare? Katharina Scholz, Albin Hammerle, Gabriel Katul, and Georg Wohlfahrt. Thu, 12 Apr, 17:30–19:00, Hall X5, X5.115

The Flux Footprint Prediction – Online Tool. Natascha Kljun, Enrico Tomelleri, Claudio D’Onofrio, Tarek El-Madany, and Georg Wohlfahrt. Thu, 12 Apr, 17:30–19:00, Hall X5, X5.128

On the calculation of daytime CO2 fluxes measured by automated closed transparent chambers. Peng Zhao, Albin Hammerle, and Georg Wohlfahrt. Thu, 12 Apr, 17:30–19:00, Hall X5, X5.131

Gross primary productivity during a heat wave – putting sun-induced fluorescence to the test. Katharina Gerdel, Georg Wohlfahrt, Mirco Migliavacca, Eyal Rotenberg, Fyodor Tatrinov, Jonathan Müller, Albin Hammerle, Tommaso Julitta, Felix M. Spielmann, and Dan Yakir. Thu, 12 Apr, 15:46–15:48, PICO spot 4

New Tools for a Comprehensive Time- and Space-Synchronized Flux, Weather, Soil and Optical Sensor Network. George Burba, Tom Avenson, Andreas Burkart, John Gamon, Kaiyu Guan, Tommaso Julitta, Gilberto Pastorello, and Karolina Sakowska. Thu, 12 Apr, 17:30–19:00, Hall X1, X1.59



Photosynthesis across leaf-canopy-field scales and radiative forcing of a chlorophyll deficient soybean mutant. Karolina Sakowska, Giorgio Alberti, Gemini Delle Vedove, Lorenzo Genesio, Radosław Juszczak, Onno Muller, Alessandro Peressotti, Andrea Pitacco, Piero Toscano, and Franco Miglietta. Fri, 13 Apr, 17:30–19:00, Hall X5, X5.428

Hyperspectral and SIF measurements starting at Neustift

Today Karolina and others mounted the WhiteRef loaned from FEM (foreground) and our SIF system (background) to start jointly measuring hyperspectral reflectance and passive (sun-induced) fluorescence at Neustift within the frame of her Marie Sklodowska-Curie project COSIF. These measurements will be accompanied within COS/CO2 eddy covariance flux measurements and active chlorophyll fluorescence by means of a moniPAM.


New paper

Hörtnagl L., Barthel M., Buchmann N., Eugster W., Butterbach-Bahl K., Diaz-Pines E., Zeeman M., Klumpp K., Kiese R., Bahn M., Hammerle A., Lu H., Ladreiter-Knauss T., Burri S., Merbold L. (2018) Greenhouse gas fluxes over managed grasslands in central Europe. Global Change Biology 24, 1843-1872, doi: 10.1111/gcb.14079.

New paper

Castelli M., Anderson M., Yun Y., Wohlfahrt G., Bertoldi G., Niedrist G., Hammerle A., Zhao P., Zebisch M., Notarnicola C. (2018) Two-source energy balance modeling of evapotranspiration in Alpine grasslands. Remote Sensing of Environment 209, 327-342, doi: 10.1016/j.rse.2018.02.062.

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