Papers (peer reviewed)
For legal reasons the biomet papers are password protected.
Brilli F., Hörtnagl L., Hammerle A., Haslwanter A., Hansel A., Loreto F., Wohlfahrt G. (2011) Leaf and ecosystem response to soil water availability in mountain grasslands. Agricultural and Forest Meteorology 151, 1731-1740.
Wohlfahrt G., Irschick C., Thalinger B., Hörtnagl L., Obojes N., Hammerle A. (2010) Insights from independent evapotranspiration estimates for closing the energy balance: a grassland case study. Vadose Zone Journal 9, 1025-1033.
Yi C., Ricciuto D., Li R., Wolbeck J., Xu X., Aires L., Albertson J.D., Amiro B., Ammann C., Arain M.A., de Araujo A.C., Aubinet M., Aurela M., Baldocchi D.D., Barcza Z., Barr A., Berbigier P., Beringer J., Bernhofer C.,
Black A.T., Bolstad P.V., Bosveld F., Broadmeadow M.S.J., Buchmann N., Burns S.P., Cellier P., Chen J., Chen J., Ciais P., Clement R., Cook B. D., Curtis P.S., Dail B., Davis K.J., Dellwik E., Delpierre N., Desai A.R., Dolman H., Dore S., Dragoni D., Drake B.G., Dufrene E., Dunn A., Elbers J., Eugster W., Falk M., Feigenwinter C., Flanagan L.B., Foken T., Frank J., Fuhrer J., Gianelle D., Goldstein A., Goulden M., Granier A., Grünwald T., Gu L., Hammerle A., Han S., Hanan N.P., Haszpra L., Heinesch B., Helfter C., Hendriks D., Hollinger D.Y., Hutley L.B., Ibrom A., Jacobs C., Johansson T., Jongen M., Katul G., Kiely G., Klumpp K., Knohl A., Kolb T., Kutsch W.L., Lafleur P., Laurila T., Law B.E., Leuning R., Lindroth A., Liu H., Loubet B., Manca G., Marek M., Margolis H., Martin T.A., Massman W.J., Matamala R., Matteucci G., McCaughey H., Merbold L., Meyers T., Migliavacca M., Miglietta F., Misson L., Mölder M., Moncrieff J., Monson R.K., Montagnani L, Montes-Helu M., Moors E., Moureaux C., Mukelabai M.M., Munger J.W., Myklebust M., Nagy Z., Nilsson M., Noormets A., Oechel W., Oren R., Pallardy
S.G., Papale D., Paw U K.T., Pereira J.S., Pilegaard K., Pinter K., Pio C., Pita G., Powell T. L., Rambal S., Randerson J.T., von Randow C., Rebmann C., Reichstein M., Richardson A.D., Rinne J., Rossi F., Roulet N., Ryel R.J., Sagerfors J., Saigusa N. , Sanz M.J., Mugnozza G.-S., Schmid H.P., Seufert G., Siqueria M., Soussana J.-F., Starr G., Stoy P., Sutton M., Tenhunen J., Tuba Z., Tuovinen J.-P., Valentini R., Vesala T., Vogel C.S., Wang S., Wang W., Welp L.R., Wen X., Wharton S., Wilkinson M., Williams C.A., Wofsy S.C., Wohlfahrt G., Yamamoto S., Yu G., Zampedri R., Zhang X., Zhao B., Zhao X. (2010) Climate control of terrestrial carbon exchange across biomes and continents. Environmental Research Letters, in press.
Hörtnagl L., Clement R., Graus M., Hammerle A., Hansel A., Wohlfahrt G. (2010) Dealing with disjunct concentration measurements in eddy covariance applications: a comparison of available approaches. Atmospheric Environment 44, 2024-2032.
Wohlfahrt G., Pilloni S., Hörtnagl L., Hammerle A. (2010) Estimating carbon
dioxide fluxes from temperate mountain grasslands using broad-band
vegetation indices. Biogeosciences 7, 683-694.
Wohlfahrt G., Hörtnagl L., Hammerle A., Graus M., Hansel A. (2009) Measuring eddy covariance fluxes of ozone with a slow-response analyser. Atmospheric Environment, 43, 4570 - 4576.
Wohlfahrt G., Haslwanter A., Hörtnagl L., Jasoni R L., Fenstermaker L. F., Arnone J. A. III, Hammerle A. (2009) On the consequences of the energy imbalance for calculating surface conductance to water vapour. Agricultural and Forest Meteorology, 149, 1556 - 1559.
Haslwanter A., Hammerle A., Wohlfahrt G. (2009) Open- vs. closed-path eddy covariance measurements of the net ecosystem carbon dioxide and water vapour exchange: a long-term perspective. Agricultural and Forest Meteorology, 149, 291 – 302.
Fritsche J., Wohlfahrt G., Ammann Ch., Zeeman M.J., Hammerle A., Obrist D., Alewell Ch. (2008) Summertime elemental mercury exchange of temperate grasslands on an ecosystem‑scale. Atmospheric Chemistry and Physics, 8, 7709–7722.
Wohlfahrt G., Hammerle A., Haslwanter A., Bahn M., Tappeiner U., Cernusca A. (2008) Disentangling leaf area and environmental effects on the response of the net ecosystem CO2 exchange to diffuse radiation. Geophysical Research Letters 35, L16805, doi:10.1029/2008GL035090.
Hammerle A., Haslwanter A., Tappeiner U., Cernusca A. and Wohlfahrt G. (2008) Leaf area controls on energy partitioning of a temperate mountain grassland. Biogeosciences, 5, 421-431, 2008.
Wieser G., Hammerle A., Wohlfahrt G. (2008) The water balance of grassland ecosystems in the Austrian Alps. Arctic, Antarctic and Alpine Research, 40, No. 2, 439–445, 2008.
Wohlfahrt, G., A. Hammerle, A. Haslwanter, M. Bahn, U. Tappeiner, and A. Cernusca (2008), Seasonal and inter-annual variability of the net ecosystem CO2 exchange of a temperate mountain grassland: Effects of weather and management, J. Geophys. Res., 113, D08110, doi:10.1029/2007JD009286.
Hammerle A., Haslwanter A., Schmitt M., Bahn M., Tappeiner U., Cernusca A., Wohlfahrt G. (2007) Eddy covariance measurements of carbon dioxide, latent and sensible energy fluxes above a meadow on a mountain slope. Boundary-Layer Meteorology, 122, 397–416 (DOI 10.1007/s10546-006-9109-x)
Presentations
NEW! Wohlfahrt G., Hammerle A., Hörtnagl L., Bamberger I., Hansel A., Brilli F., Bahn M., Schmitt M., Tasser E., Wieser G., Tenhnen J., Tappeiner U., Cernusca A., Themeßl M., Peichl M. et al. (2011) Carbon, water and energy exchange in Alpine ecosystems. PhenoALP meeting, 12-14 October 2011, Aosta Valley, Italy.
NEW! Wohlfahrt G., Hammerle A., Bamberger I., Hansel A., Haslwanter A., Hörtnagl L. (2011) Breathing of the Biosphere: A decade of biosphere-atmosphere trace gas exchange research at the LTSER study site Meadow Neustift. 12.Österreichischer Klimatag, 21-22 September 2011, Vienna, Austria.
Wohlfahrt G., Hörtnagl L., Hammerle A., Haslwanter A., Hansel A., Loreto F., Brilli Federico (2011) Leaf and ecosystem response of mountain grassland gas exchange to drought. EGU2011-1317, European Geophysical Union 2011 General Assembly, 4-8 May 2011, Vienna, Austria.
Hammerle A. From CO2 and energy fluxes to isotopes: controls and modelling. Invited oral presentation, 10 November 2010, University of Göttingen, Germany.
Hammerle A. Learn how to DREAM: Schritt für Schritt durch die Parameteroptimierung in DREAM. Invited oral presentation, 25 October 2010, University of Innsbruck, Austria.
Wohlfahrt G., Hammerle A., Hörtnagl L., Irschick I., Haslwanter A. (2010) Trace gas fluxes from/to grassland: A decade of micrometeorological research at a hay meadow in the Stubai Valley/Austria. Invited oral presentation, 11 October 2010, ETH Zürich, Switzerland.
Wohlfahrt G., Irschick C., Thalinger B., Hörtnagl L., Obojes N., Hammerle A. (2010) Multiple constraints on grassland evapotranspiration: implications for closing the energy balance. EGU2010-4210, European Geophysical Union 2009 General Assembly, 2–7 May 2010, Vienna, Austria.
Wohlfahrt G., Pilloni S., Hörtnagl L., Hammerle A. (2010) Estimating carbon dioxide fluxes from temperate mountain grasslands using broad-band vegetation indices. COST action ES0903, 28-30 April 2010, Viote del Monte Bondone, Italy.
Wohlfahrt G., Hörtnagl L., Haslwanter A., Hammerle A. (2010) Effects of management on the net ecosystem CO2 exchange of grasslands. SINKS project 7, Expert workshop, 4-5 March 2010, Kolding, Denmark.
Hammerle A., Haslwanter A., Hörtnagl L., Wohlfahrt G. (2009) The net ecosystem CO2, H2O and energy exchange of mountain grasslands: methodology, controls and modelling. Invited oral presentation, 07 December 2009, ETH Zürich, Switzerland
Wohlfahrt G., Hörtnagl L., Hammerle A. (2009) Grünland – Senke oder Quelle für Kohlendioxid: empirische Befunde und Modellanalysen. 4. Klimaseminar, LFZ Raumberg-Gumpenstein. 10 September 2009, Raumberg-Gumpenstein, Austria.
Wohlfahrt G., Irschick C., Haslwanter A., Hammerle A. (2009) Regional variability of CO2, H2O and energy fluxes: a grassland case study in Tyrol/Austria. Transregional Collaborative Research Centre 32 International workshop, 8-10 June 2009, Aachen, Germany.
Wohlfahrt G., Hoertnagl L., Bamberger I., Schnitzhofer R., Dunkel J., Hammerle A., Graus M., Hansel A. (2009) Stress induced BVOC exchange from grassland.
VOCBAS science meeting, 14-17 January 2009, Taagepera, Estonia.
Hammerle A., Williams M., Wohlfahrt G. (2008) Carbon storage potential of a temperate mountain grassland as affected by management:
a combined experimental and modelling analysis. Invited oral presentation, 26 September, Edinburgh, UK.
Hammerle A., Wohlfahrt G. (2008) On using broad‑band vegetation indices to infer the net ecosystem CO2 exchange or Is the saturation problem a problem for CO2 fluxes ? SpecNet Europe Meeting, 30 June‑2 July 2008, Trento, Italy.
Hammerle, A., Bahn, M., Tappeiner, U., Cernusca, A. Wohlfahrt, G. (2008) Carbon storage potential of a temperate mountain grassland as affected by management: a combined experimental and modeling analysis. EGU2008-A-01149, European Geophysical Union 2008 General Assembly, 13–18 April 2008, Vienna, Austria.
Haslwanter, A.; Hammerle, A.; Wohlfahrt, G. (2008) Open- vs. closed-path eddy covariance measurements
of the net ecosystem carbon dioxide and water vapour
exchange: a long-term perspective. EGU2008-A-01151, European Geophysical Union 2008 General Assembly, 13–18 April 2008, Vienna, Austria.
Wohlfahrt G., Hammerle A., Haslwanter A., Bahn M., Tappeiner U., Cernusca A. (2008) Die Auswirkungen von Wetter und Bewirtschaftung auf die saisonale und inter-anuelle Variabilität des Nettoökosystemkohlendioxidaustschs einer Mähwiese. 10.Österreichischer Klimatag, 13-14 March 2008, Vienna, Austria.
Hammerle, A.; Haslwanter, A.; Tappeiner, U.; Cernusca, A.; Wohlfahrt, G. (2007) Energy Partitioning of a Mountain Meadow: Controls, seasonal and inter-annual Variability. EGU2007-A-01942, European Geophysical Union 2007 General Assembly, 15–20 April 2007, Vienna, Austria.
Wohlfahrt, G.; Hammerle, A.; Haslwanter, A.; Bahn, M.; Tappeiner, U.; Cernusca, A. (2007) Carbon Balance Tradeoffs for Mountain Grasslands: Influence of Cutting Frequency and Growing Season Length on the Net Ecosystem CO2 Exchange. EGU2007-A-01268, European Geophysical Union 2007 General Assembly, 15–20 April 2007, Vienna, Austria.
Wohlfahrt G., Hammerle A., Haslwanter A., Bahn M., Tappeiner U., Cernusca A. (2006) Opposing influence of land use and altitude on the net ecosystem CO2 exchange of two mountain grasslands. 91st Ecological Society of America Annual Meeting, 6-11 August 2006, Memphis, USA.
Wohlfahrt G., Hammerle A., Haslwanter A., Bahn M., Cernusca A., Tappeiner U. (2006) Die Kohlendioxid-Senken/Quellenstärke Alpiner Graslandökosysteme und deren Beeinflussung durch Bewirtschaftungsmaßnahmen. 9.Österreichischer Klimatag, 16-17 March 2006, Vienna, Austria.
Irschick C., Hammerle A., Carli E., Eliskases C., Frischmann S., Fritsch U., Gobiet A., Haas H., Kapelari S., Norz J., Themeßl M., Zebisch M., Wohlfahrt G. (2011) GrassClim - Interactive Effects of changes in climate and management on yield and CO2 source/sink strength of grassland ecosystems in the Alps. AGU fall meeting, 5‑9 December 2011, San Francisco, CA/USA.
