Category: Papers

168 Posts

New paper

Xia J., Niu S., Luo Y., Ciais P., Janssens I., Chen J., Ammann C., Arain a., Blanken P.D., Cescatti A., Bonal D., Buchmann N., Curtis P.S., Chen S., Dong J., Flanagan L.B., Frankenberg C., Georgiadis T., Gough C.M., Hui D., Kiely G., Li J., Lund M., Magliulo V., Marcolla B., Merbold L., Montagnani L., Moors E., Olesen J.E., Piao S., Raschi A., Roupsard O., Suyker A.E., Urbaniak M., Vaccari F., Varlagin A., Vesala T., Wilkinson M., Weng E., Wohlfahrt G., Yan L. (2015) Joint Control of Terrestrial Gross Primary Productivity by Plant Phenology and Physiology. Proceedings of the National Academy of Sciences, doi: 10.1073/pnas.1413090112.

New papers in BG Special Issue and ACPD

With the frame of the recently completed Biogeosciences Special Issue „Towards the full GHG balance of the biosphere“  (http://www.biogeosciences.net/special_issue128.html), Georg contributed to the corresponding preface:

Merbold L., Wohlfahrt G., Butterbach-Bahl K., Pilegaard K., DelSontro T., Stoy P., Zona D. (2015) Preface: Towards a full greenhouse gas balance of the biosphere. Biogeosciences 12, 453-456, doi: 10.5194/bg-12-453-2015.

Another paper by Lukas and Georg has been published in the Special Issue already in December 2014:

Hörtnagl L., Wohlfahrt G. (2014) Methane and nitrous oxide exchange over a managed hay meadow. Biogeosciences 11, 7219-7236, doi: 10.5194/bg-11-7219-2014.

Another paper was published today in ACPD:

Wohlfahrt G., Amelynck C., Ammann C., Arneth A., Bamberger I., Goldstein A. H., Gu L., Guenther A., Hansel A., Heinesch B., Holst T., Hörtnagl L., Karl T., Laffineur Q., Neftel A., McKinney K., Munger J. W., Pallardy S. G., Schade G. W., Seco R., Schoon N. (2015) An ecosystem-scale perspective of the net land methanol flux: synthesis of micrometeorological flux measurements. Atmospheric Chemistry and Physics Discussions 15, 2577-2613, doi: 10.5194/acpd-15-2577-2015.

New paper and visitor

Mallick K., Jarvis A., Wohlfahrt G., Kiely G., Hirano T., Miyata A., Yamamoto S., Hoffmann L. (2015) Components of near-surface energy balance derived from satellite soundings – Part 1: Net available energy. Biogeosciences 12,433-451, doi: 10.5194/bg-12-433-2015.

 

Today Genki Katata, presently visiting scientist at KIT Garmisch-Partenkirchen, visited us to discuss about modelling grassland carbon and energy fluxes. The picture shows Genki (second on left) and part of the Biomet group enjoing lunch after an exhausting discussion about Bayesian calibration, parameter equifinality and other complicated stuff.

IMG_0475

New study site and paper published

Today Kathi and Georg made the long drive to Lunz am See to set up an eddy covariance flux tower within the CarbEx project. Since the platform has been removed during winter, the flux tower as set up at the shore of the lake close to the Water Cluster Lunz in the meantime, before it will be moved to the platform in spring. The aim of the project is to link hydrological extremes to the carbon cycle of Lunzer See and the eddy flux measurements yield the lake-atmosphere CO2 flux.

IMG_0421

The methane/nitrous oxide flux paper has been finally published in BG: Hörtnagl L., Wohlfahrt G. (2014) Methane and nitrous oxide exchange over a managed hay meadow. Biogeosciences 11, 7219-7236. link

Fellowships, visitors and publication news

LFU_Doc_VerleihungKatharina (fourth from left) and Felix (leftmost) were officially awarded their PhD fellowships by the University of Innsbruck (picture courtesy of university press office).

 

 

 

Paul Stoy visited us (pictures showing him at our field site Neustift and together with Albin and Katharina at the Grawa waterfall in Stubai Valley) to give a presentation on “Interpreting processes by observing patterns: Data-intensive strategies for understanding the role of ecosystems in the climate system”.

PaulStoy_IIPaulStoy

 

 

 

 

 

 

 

New paper: Barthel M.,Sturm P., Hammerle A., Buchmann N., Gentsch L., Siegwolf R., Knohl A. (2014) Soil H2 18O labelling reveals the effect of drought on C18OO fluxes to the atmosphere. Journal of Experimental Botany 65, 5783-5793. doi: 10.1093/jxb/eru312.

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