Publikationen


profile at ResearcherID


  • Braden-Behrens J, Markwitz C, Knohl A (2019). Eddy covariance measurements of the dual-isotope composition of evapotranspiration. Agricultural and Forest Meteorology, 269-270, 203-219, https://doi.org/10.1016/j.agrformet.2019.01.035.


  • Besnard S, Carvalhais N, Arain MA, Black A, Brede B, Buchmann N, Chen J, Clevers JGPW, Dutrieux LP, Gans F, Herold M, Jung M, Kosugi Y, Knohl A, Law BE, Paul-Limoges E, Lohila A, Merbold L, Roupsard O, Valentini R, Wolf S, Zhang X, Reichstein M (2019). Memory effects of climate and vegetation affecting net ecosystem CO2 fluxes in global forests. Plos One, 14, e0211510, 10.1371/journal.pone.0211510.


  • Besnard S, Carvalhais N, Arain MA, Black A, de Bruin S, Buchmann N, Cescatti A, Chen JQ, Clevers J, Desai AR, Gough CM, Havrankova K, Herold M, Hortnagl L, Jung M, Knohl A, Kruijt B, Krupkova L, Law BE, Lindroth A, Noormets A, Roupsard O, Steinbrecher R, Varlagin A, Vincke C, Reichstein M (2018). Quantifying the effect of forest age in annual net forest carbon balance. Environmental Research Letters, 13, 124018 , 10.1088/1748-9326/aaeaeb


  • Redelstein R, Coner H, Knohl A, Leuschner L (2018) Water sources of plant uptake along a salt marsh flooding gradient. Oecologia (2018) 188:607 . https://doi.org/10.1007/s00442-018-4229-9


  • Tamrakar R, Rayment MB, Moyano F, Mund M, Knohl A (2018). Implications of structural diversity for seasonal and annual carbon dioxide fluxes in two temperate deciduous forests. Agricultural and Forest Meteorology, Volume 263 , https://doi.org/10.1016/j.agrformet.2018.08.027


  • Manoli G, Meijide A, Huth N, Knohl A, Kosugi Y, Burlando P, Ghazoul J, Fatichi S (2018). Ecohydrological changes after tropical forest conversion to oil palm. Environmental Research Letters, 13, 064035; doi.org/10.1088/1748-9326/aac54e


  • Tudoroiu M, Genesio L, Gioli B, Schume H, Knohl A, Brummer C, Miglietta F (2018). Solar dimming above temperate forests and its impact on local climate. Environmental Research Letters, 13, 064014; doi.org/10.1088/1748-9326/aac4e0


  • Guillaume T, Kotowska MM, Hertel D, Knohl A, Krashevska V, Murtilaksono K, Scheu S, Kuzyakov Y (2018). Carbon costs and benefits of Indonesian rainforest conversion to plantations. Nature Communications (2018), 9:2388; doi.org/10.1038/s41467-018-04755-y


  • June T, Meijide A, Stiegler C, Kusuma AP, Knohl A (2018).The influence of surface roughness and turbulence on heat fluxes from an oil palm plantation in Jambi, Indonesia. IOP Conf. Series: Earth and Environmental Science, 149 (2018) 012048; doi.org/10.1088/1755-1315/149/1/012048


  • Meijide A, Badu CS, Moyano F, Tiralla N, Gunawan D, Knohl A (2018). Impact of forest conversion to oil palm and rubber plantations on microclimate and the role of the 2015 ENSO event. Agricultural and Forest Meteorology, 252, 208-219; doi.org/10.1016/j.agrformet.2018.01.013


  • Park SB, Knohl A, Lucas-Moffat AM, Migliavacca M, Gerbig C, Vesala T, Peltola O, Mammarella I, Kolle O, Lavric JV, Prokushkin A, Heimann M (2018). Strong radiative effect induced by clouds and smoke on forest net ecosystem productivity in central Siberia. Agricultural and Forest Meteorology, 250, 376-387; doi.org/10.1016/j.agrformet.2017.09.009


  • von Buttlar J, Zscheischler J, Rammig A, Sippel S, Reichstein M, Knohl A, Jung M, Menzer O, Arain MA, Buchmann N, Cescatti A, Gianelle D, Kiely G, Law BE, Magliulo V, Margolis H, McCaughey H, Merbold L, Migliavacca M, Montagnani L, Oechel W, Pavelka M, Peichl M, Rambal S, Raschi A, Scott RL, Vaccari FP, van Gorsel E, Varlagin A, Wohlfahrt G, Mahecha MD (2018). Impacts of droughts and extreme-temperature events on gross primary production and ecosystem respiration: a systematic assessment across ecosystems and climate zones. Biogeosciences, 15, 1293-1318; doi:10.1038/s41559-017-0275-7


  • Barnes AD, Allen K, Kreft H, Corre MD, Jochum M, Veldkamp E, Clough Y, Daniel R, Darras K, Denmead LH, Haneda NF, Hertel D, Knohl A, Kotowska MM, Kurniawan S, Meijide A, Rembold K, Prabowo WE, Schneider D, Tscharntke T, Brose U (2017). Direct and cascading impacts of tropical land-use change on multi-trophic biodiversity. Nature Ecology & Evolution, 1, 1511-1519; doi.org/10.5194/bg-15-1293-2018


  • Braden-Behrens J, Yan Y, Knohl A (2017). A new instrument for stable isotope measurements of C-13 and O-18 in CO2 - instrument performance and ecological application of the Delta Ray IRIS analyzer. Atmospheric Measurement Techniques, 10, 4537-4560; 10.5194/amt-10-4537-2017


  • Fernandez-Martinez M, Vicca S, Janssens IA, Ciais P, Obersteiner M, Bartrons M, Sardans J, Verger A, Canadell JG, Chevallier F, Wang X, Bernhofer C, Curtis PS, Gianelle D, Gruwald T, Heinesch B, Ibrom A, Knohl A, Laurila T, Law BE, Limousin JM, Longdoz B, Loustau D, Mammarella I, Matteucci G, Monson RK, Montagnani L, Moors EJ, Munger JW, Papale D, Piao SL, Penuelas J (2017). Atmospheric deposition, CO2, and change in the land carbon sink. Scientific Reports, 7; 10.1038/s41598-017-08755-8


  • Sabajo, C. R., le Maire, G., June, T., Meijide, A., Roupsard, O., and Knohl, A. 2017: Expansion of oil palm and other cash crops causes an increase of the land surface temperature in the Jambi province in Indonesia, Biogeosciences, 14, 4619-4635; doi.org/10.5194/bg-14-4619-2017


  • Knohl A, Cuntz M (2017) Biogeochemistry: Tracing carbon fixation. Nature Clim. Change, 7, 393-394.

  • Haeni M, Zweifel R, Eugster W, Gessler A, Zielis S, Bernhofer C, Carrara A, Grunwald T, Havrankova K, Heinesch B, Herbst M, Ibrom A, Knohl A, Lagergren F, Law BE, Marek M, Matteucci G, McCaughey JH, Minerbi S, Montagnani L, Moors E, Olejnik J, Pavelka M, Pilegaard K, Pita G, Rodrigues A, Sanchez MJS, Schelhaas MJ, Urbaniak M, Valentini R, Varlagin A, Vesala T, Vincke C, Wu J, Buchmann N (2017) Winter respiratory C losses provide explanatory power for net ecosystem productivity. Journal of Geophysical Research-Biogeosciences, 122, 243-260.

  • Musavi T, Migliavacca M, Reichstein M, Kattge J, Wirth C, Black TA, Janssens I, Knohl A, Loustau D, Roupsard O, Varlagin A, Rambal S, Cescatti A, Gianelle D, Kondo H, Tamrakar R, Mahecha MD (2017) Stand age and species richness dampen interannual variation of ecosystem-level photosynthetic capacity. Nature Ecology & Evolution, 1, 0048

  • Nelson DB, Knohl A, Sachse D, Schefuß E, Kahmen A (2017): Sources and abundances of leaf waxes in aerosols in central Europe. Geochimica et Cosmochimica Acta, 198, 299-314

  • Clough Y, Krishna VV, Corre MD, Darras K, Denmead LH, Meijide A, Moser S, Musshoff O, Steinebach S, Veldkamp E, Allen K, Barnes AD, Breidenbach N, Brose U, Buchori D, Daniel R, Finkeldey R, Harahap I, Hertel D, Holtkamp AM, Horandl E, Irawan B, Jaya NS, Jochum M, Klarner B, Knohl A, Kotowska MM, Krashevska V, Kreft H, Kurniawan S, Leuschner C, Maraun M, Melati DN, Opfermann N, Perez-Cruzado C, Prabowo WE, Rembold K, Rizali A, Rubiana R, Schneider D, Tjitrosoedirdjo SS, Tjoa A, Tscharntke T, Scheu S (2016) Land-use choices follow profitability at the expense of ecological functions in Indonesian smallholder landscapes. Nature Communications, 7, 10.1038/ncomms13137

  • Risi C, Ogée J, Bony S, Bariac T, Raz-Yaseef N, Wingate L, Welker J, Knohl A, Kurz-Besson C, Leclerc M, Zhang G, Buchmann N, Santrucek J, Hronkova M, David T, Peylin P, Guglielmoet F (2016) The Water Isotopic Version of the Land-Surface Model ORCHIDEE: Implementation, Evaluation, Sensitivity to Hydrological Parameters. Hydrol Current Res 7:258. doi: 10.4172/2157-7587.1000258

  • Dislich C, Keyel AC, Salecker J, Kisel Y, Meyer KM, Auliya M, Barnes A, Corre MD, Darras K, Faust H, Hess B, Klasen S, Knohl A, Kreft H, Meijide A, Nurdiansyah F, Otten F, Peer G, Steinebach S, Tarigan S, Tölle M, Tscharntke T, Wiegand K (2016): A review of the ecosystem functions in oil palm plantations, using forests as a reference system. Biological Reviews 91(3) 1469

  • Chen Y, Ryder J, Bastrikov V, McGrath MJ, Naudts K, Otto J, Ottlé C, Peylin P, Polcher J, Valade A, Black A, Elbers JA, Moors E, Foken T, van Gorsel E, Haverd V, Heinesch B, Tiedemann F, Knohl A, Launiainen S, Loustau D, Ogée J, Vessala T, Luyssaert S (2016): Evaluating the performance of land surface model ORCHIDEE-CAN v1.0 on water and energy flux estimation with a single- and multi-layer energy budget scheme Geosci. Model Dev., 9, 2951-2972, doi:10.5194/gmd-9-2951-2016

  • Vicca S, Balzarolo M, Filella I, Granier A, Herbst M, Knohl A, Longdoz B, Mund M, Nagy Z, Pintér K, Rambal S, Verbesselt J, Verger A, Zeileis A, Zhang C, Peñuelas J (2016): Remotely-sensed detection of effects of extreme droughts on gross primary production. Scientific Reports, 6, 28269

  • Chiesi M, Chirici G, Marchetti M, Hasenauer H, Moreno A, Knohl A, Matteucci G, Pilegaard K, Granier A, Longdoz B, Maselli F (2016): Testing the applicability of BIOME-BGC to simulate beech gross primary production in Europe using a new continental weather dataset. Ann. For. Sci.: 1-15. 10.1007/s13595-016-0560-7

  • Drescher J, Rembold K, Allen K, Beckschaefer P, Buchori D, Clough Y, Faust H, Fauzi AM, Gunawan D, Hertel D, Irawan B, Jaya IN, Klarner B, Kleinn C, Knohl A, Kotowska MM, Krashevska V, Krishna V, Leuschner C, Lorenz W, Meijide A, Melati D, Nomura M, Perez-Cruzado C, Qaim M, Siregar IZ, Steinebach S, Tjoa A, Tscharntke T, Wick B, Wiegand K, Kreft H, Scheu S (2016): Ecological and socio-economic functions across tropical land use systems after rainforest conversion. Phil. Trans. R. Soc. B 371: 20150275. http://dx.doi.org/10.1098/rstb.2015.0275

  • Merten J, Röll A, Guillaume T, Meijide A, Tarigan S, Agusta H, Dislich C, Dittrich C, Faust H, Gunawan D, Hein J, Hendrayanto, Knohl A, Kuzyakov Y, Wiegand K, Hölscher D (2016): Water scarcity and oil palm expansion: social views and environmental processes. Ecology and Society 21(2):5. http://dx.doi.org/10.5751/ES-08214-210205

  • Collalti A, Marconi S, Ibrom A, Trotta C, Anav A, D'Andrea E, Matteucci G, Montagnani L, Gielen B, Mammarella I, Grünwald T, Knohl A, Berninger F, Zhao Y, Valentini R, Santini M (2016): Validation of 3D-CMCC Forest Ecosystem Model (v.5.1) against eddy covariance data for 10 European forest sites. Geosci. Model Dev., 9, 479-504, doi:10.5194/gmd-9-479-2016

  • Fan Y, Roupsard O, Bernoux M, Le Maire G, Panferov O, Kotowska MM, Knohl A (2015): A sub-canopy structure for simulating oil palm in the Community Land Model (CLM-Palm): phenology, allocation and yield. Geoscientific Model Development, 8, 3785-3800

  • Herbst M, Mund M, Tamrakar R, Knohl A (2015): Differences in carbon uptake and water use between a managed and an unmanaged beech forest in central Germany. Forest Ecology and Management, 355, 101-108

  • Olchev A, Ibrom A, Panferov O, Gushchina D, Kreilein H, Popov V, Propastin P, June T, Rauf A, Gravenhorst G, Knohl A (2015): Response of CO2 and H2O fluxes in a mountainous tropical rainforest in equatorial Indonesia to El Nino events. Biogeosciences, 12, 6655-6667

  • Wingate L, Ogée J, Cremonese E, Filippa G, Mizunuma T, Migliavacca M, Moisy C, Wilkinson M, Moureaux C, Wohlfahrt G, Hammerle A, Hörtnagl L, Gimeno C, Porcar-Castell A, Galvagno M, Nakaji T, Morison J, Kolle O, Knohl A, Kutsch W, Kolari P, Nikinmaa E, Ibrom A, Gielen B, Eugster W, Balzarolo M, Papale D, Klumpp K, Köstner B, Grünwald T, Joffre R, Ourcival JM, Hellstrom M, Lindroth A, George C, Longdoz B, Genty B, Levula J, Heinesch B, Sprintsin M, Yakir D, Manise T, Guyon D, Ahrends H, Plaza-Aguilar A, Guan JH, Grace J (2015): Interpreting canopy development and physiology using a European phenology camera network at flux sites, Biogeosciences, 12, 5995-6015, doi:10.5194/bg-12-5995-2015

  • Röll A, Niu F,Meijide A, Hardanto A, Hendrayanto, Knohl A, Hölscher D (2015): Transpiration in an oil palm landscape: effects of palm age, Biogeosciences, 12, 5619-5633, doi:10.5194/bg-12-5619-2015, 2015.

  • Barthel M, Sturm P, Hammerle A, Buchmann N, Gentsch L, Siegwolf R, Knohl A (2014): Soil H218O labelling reveals the effect of drought on C18OO fluxes to the atmosphere, Journal of Experimental Botany, doi:10.1093/jxb/eru312

  • Luyssaert S, Jammet M, Stoy PC, Estel S, Pongratz J, Ceschia E, Churkina G, Don A, Erb KH, Ferlicoq M, Gielen B, Grünwald T, Houghton RA, Klumpp K., Knohl A, Kolb T, Kuemmerle T, Laurila T, Lohila A, Loustau D, McGrath MJ, Meyfroidt P, Moors EJ, Naudts K, Novick K, Otto J, Pilegaard K, Pio, CA, Rambal S, Rebmann C, Ryder J, Suyker, AE, Varlagin A, Wattenbach M, Dolman AJ (2014): Land management and land-cover change have impacts of similar magnitude on surface temperature. Nature Climate Change 4:389-393.

  • Gentsch L, Hammerle A, Sturm P, Ogee J, Wingate L, Siegwolf R, Plüss P, Baur T, Buchmann N, Knohl A (2014): Carbon isotope discrimination during branch photosynthesis of Fagus sylvatica: a Bayesian modelling approach. Plant, Cell & Environment. doi: 10.1111/pce.12262

  • Otto J, Berveiller D., Bréon F-M, Delpierre N, Geppert G, Granier A, Jans W, Knohl, A, Kuusk A, Longdoz B, Moors E, Mund M, Pinty B, Schelhaas M-J, Luyssaert S (2014): Forest summer albedo is sensitive to species and thinning: how should we account for this in Earth system models? Biogeosciences, 11, 2411-2427, doi:10.5194/bg-11-2411-2014

  • Burri S, Sturm P, Baur T, Barthel M, Knohl A, Buchmann N (2014): The effect of physical back-diffusion of 13CO2 tracer on the coupling between photosynthesis and soil CO2 efflux in grassland Isotopes in Environmental and Health Studies, DOI: 10.1080/10256016.2014.893237

  • Gentsch L, Sturm P, Hammerle A, Siegwolf R, Wingate L, Ogee J, Baur T, Pluss P, Barthel M, Buchmann N, Knohl A (2014): Carbon isotope discrimination during branch photosynthesis of Fagus sylvatica: field measurements using laser spectrometry Journal of Experimental Botany 2014 65 (6): 1481-1496, doi: 10.1093/jxb/eru024

  • Burri S, Sturm P, Prechsl UE, Knohl A, Buchmann N (2014): The impact of extreme summer drought on the short-term carbon coupling of photosynthesis to soil CO2 efflux in a temperate grassland Biogeosciences, 11, 961-975, doi:10.5194/bg-11-961-2014

  • Grünwald T, Knohl A, Bernhofer C (2013): Energie- und Stoffflüsse über verschiedenen Landnutzungen Promet, 38:1/2

  • Shim JH, Powers HH, Meyer CW, Knohl A, Dawson TE, Riley WJ, Pockman WT, McDowell N (2013): Hydrologic control of the oxygen isotope ratio of ecosystem respiration in a semi-arid woodland Biogeosciences, 10, 4937-4956, doi:10.5194/bg-10-4937-2013

  • Tölle MH, Moseley C, Panferov O, Busch G, Knohl A (2013): Water supply patterns in two agricultural areas of Central Germany under climate change conditions Biogeosciences, 10, 2959-2972

  • Tiralla N, Panferov O, Knohl A (2013): Allometric relationships of frequently used shade tree species in cacao agroforestry systems in Sulawesi, Indonesia Agroforestry Systems, 81/1, DOI 10.1007/s10457-013-9602-4

  • Stoy PC, Mauder M, Foken T, Marcolla B, Boegh E, Ibrom A, Arain MA, Arneth A, Aurela M, Bernhofer C, Cescatti A, Dellwik E, Duce P, Gianelle D, van Gorsel E, Kiely G, Knohl A, Margolis H, McCaughey H, Merbold L, Montagnani L, Papale D, Reichstein M, Saunders M, Serrano-Ortiz P, Sottocornola M, Spano D, Vaccari F, Varlagin A (2013): A data-driven analysis of energy balance closure across FLUXNET research sites: The role of landscape scale heterogeneity Agricultural and Forest Meteorology, 171-172, 137-152

  • Bahn M, Buchmann N, Knohl A, (2012): Stable Isotopes and Biogeochemical Cycles in Terrestrial Ecosystems Biogeosciences, 9, 3979-3981

  • Propastin P, Ibrom A, Knohl A, Erasmi S (2012): Effects of canopy photosynthesis saturation on the estimation of gross primary productivity from MODIS data in a tropical forest Remote Sensing of Environment, 121 (2012) 252-260

  • Aemisegger F, Sturm P, Graf P, Sodemann H, Pfahl S, Knohl A, Wernli H (2012): Measuring variations of δ18O and δ2H in atmospheric water vapour using two commercial laser-based spectrometers: an instrument characterisation study Atmos. Meas. Tech., 5, 1491-1511, doi:10.5194/amt-5-1491-2012

  • Sturm P. Eugster W, Knohl A (2012): Eddy covariance measurements of CO2 isotopologues with a quantum cascade laser absorption spectrometer Agricultural and Forest Meteorology, 152 (2012), 73-82

  • Barthel M, Hammerle A, Sturm P, Gentsch L, Baur T, Knohl A (2011): The diel imprint of leaf metabolism on the d13C signal of soil respiration under control and drought conditions New Phytologist, DOI: 10.1111/j.1469-8137.2011.03848.x

  • Knohl A, Veldkamp E (2011): Indirect feedbacks to rising CO2 Nature, 475(7355), 177-178.

  • Barthel M, Sturm P, Knohl A (2011): Soil matrix tracer contamination and canopy re-cycling did not impair 13CO2 plant-soil pulse labeling experiments Isotopes in Environmental and Health Studies, 47(3): 1-13.

  • Djomo AN, Knohl A, Gravenhorst G (2011): Estimations of total ecosystem carbon pools distribution and carbon biomass current annual increment of a moist tropical forest Forest Ecology and Management, 261, 1448-1459.

  • Kammer A, Tuzson B, Emmenegger L, Knohl A, Mohn J, Hagedorn F (2011): Application of a quantum cascade laser-based spectrometer in a closed chamber system for real-time delta C-13 and delta O-18 measurements of soil-respired CO2. Agricultural and Forest Meteorology 151(1), 39-48.

  • Wang T, Ciais P, Piao SL, Ottl C, Brender P, Maignan F, Arain A, Cescatti A, Gianelle D, Gough C, Gu L, Lafleur P, Laurila T, Marcolla B, Margolis H, Montagnani L, Moors E, Saigusa N, Vesala T, Wohlfahrt G, Koven C, Black A, Dellwik E, Don A, Hollinger D, Knohl A, Monson R, Munger J, Suyker A, Varlagin A, and Verma S (2011): Controls on winter ecosystem respiration in temperate and boreal ecosystems Biogeosciences , 8, 2009-2025, doi:10.5194/bg-8-2009-2011

  • Brüggemann N, Gessler A, Kayler Z, Keel SG, Badeck F, Barthel M, Boeckx P, Buchmann N, Brugnoli E, Esperschütz J, Gavrichkova O, Ghashghaie J, Gomez-Casanovas N, Keitel C, Knohl A, Kuptz D, Palacio S, Salmon Y, Uchida Y, Bahn M (2011): Carbon allocation and carbon isotope fluxes in the plant-soil-atmosphere continuum: a review. Biogeosciences, 8: 3457-3489.

  • Ryu Y, Baldocchi DD, Kobayashi H, van Ingen C, Li J, Black TA, Beringer J, van Gorsel E, Knohl A, Law EB, Roupsard O (2011): Integration of MODIS land and atmosphere products with a coupled-process model to estimate gross primary productivity and evapotranspiration from 1 km to global scales. Global Biogeochemical Cycles, 25: 1-24.

  • Zeeman MJ, Tu KP, Knohl A (2011): Continuous operation of spectroscopy instruments for stable isotope analysis. Eos, Transactions American Geophysical Union, 92: 211-211.

  • Yi CX, Ricciuto D, Li R et al. (2010): Climate control of terrestrial carbon exchange across biomes and continents. Environmental Research Letters, 5 (3).

  • Mund M, Kutsch WL, Wirth C, Kahl T, Knohl A, Skomarkova MV, Schulze ED (2010): The influence of climate and fructification on the inter-annual variability of stem growth and net primary productivity in an old-growth, mixed beech forest Tree Physiology, 30(6), 689-704

  • Sturm P, Knohl A (2010): Water vapor d2H and d18O measurements using off-axis integrated cavity output spectroscopy Atmospheric Measurement Techniques 3, 67-77

  • Ruehr NK, Knohl A, Buchmann N (2010): Environmental variables controlling soil respiration on diurnal, seasonal and annual time-scales in a mixed mountain forest in Switzerland. Biogeochemistry 98 (1-3), 153-170

  • Vaganov EA, Schulze ED, Skomarkova MV, Knohl A, Brand WA, Roscher C (2009): Intra-annual variability of anatomical structure and delta C-13 values within tree rings of spruce and pine in alpine, temperate and boreal Europe. Oecologia 161 (4), 729-745

  • Knohl A, Schulze ED, Wirth C (2009): Biosphere-atmosphere exchange of old-growth forests: processes and pattern. In: Wirth C, Gleixner G, Heimann M (Editors), Old-growth forests: Function, fate and value. Ecological Studies, Springer New York, Berlin, Heidelberg

  • Schulze ED, Hessenmueller D, Knohl A, Luyssaert S (2009): Temperate and boreal old growth forests: how does their growth dynamics and biodiversity differ from young stands and managed forests? In: Wirth C, Gleixner G, Heimann M (Editors), Old-growth forests: Function, fate and value. Ecological Studies, Springer New York, Berlin, Heidelberg

  • Beer C, Ciais P, Reichstein M, Baldocchi D, Law BE Papale D, Soussana J-F, Ammann C, Buchmann N, Frank D, Gianelle D, Janssens IA, Knohl A, Koestner B, Moors E, Roupsard O, Verbeeck H, Vesala T, Williams CA, Wohlfahrt G (2009): Temporal and among-site variability of inherent water use efficiency at the ecosystem level. Global Biogeochem. Cycles Vol. 23, No. 2, GB2018

  • Cernusak LA, Tcherkez G, Keitel C, Cornwell WK, Santiago LS, Knohl A, Barbour MM, Williams DG, Reich PB, Ellsworth DS, Dawson TE, Griffiths HG, Farquhar GD, Wright IJ (2009): Viewpoint: Why are non-photosynthetic tissues generally C-13 enriched compared with leaves in C-3 plants? Review and synthesis of current hypotheses. Functional Plant Biology 36 (3), 199-213

  • Luyssaert S, Schulze ED, Borner A, Knohl A, Hessenmoller D, Law BE, Ciais P, Grace J (2008): Old-growth forests as global carbons sinks. Nature 455 (7210), 213-215

  • Kutsch WL, Kolle O, Rebmann C, Knohl A, Ziegler W, Schulze ED (2008): Advection and resulting CO2 exchange uncertainty in a tall forest in central Germany. Ecological Applications 18, 1391-1405.

  • Knohl A, Baldocchi DD (2008): Effects of diffuse radiation on canopy gas exchange processes in a forest ecosystem. Journal of Geophysical Research - Biogeosciences 113:G02023, doi:10.1029/2007JG000663

  • Gockede M, Foken T, Aubinet M, Aurela M, Banza J, Bernhofer C, Bonnefond JM, Brunet Y, Carrara A, Clement R, Dellwik E, Elbers J, Eugster W, Fuhrer J, Granier A, Grunwald T, Heinesch B, Janssens IA, Knohl A, Koeble R, Laurila T, Longdoz B, Manca G, Marek M, Markkanen T, Mateus J, Matteucci G, Mauder M, Migliavacca M, Minerbi S, Moncrieff J, Montagnani L, Moors E, Ourcival J-M, Papale D, Pereira J, Pilegaard K, Pita G, Rambal S, Rebmann C, Rodrigues A, Rotenberg E, Sanz MJ, Sedlak P, Seufert G, Siebicke L, Soussana JF, Valentini R, Vesala T, Verbeeck H, and Yakir D (2008): Quality control of CarboEurope flux data - Part 1: Coupling footprint analyses with flux data quality assessment to evaluate sites in forest ecosystems. Biogeosciences 5, 433-450

  • Knohl A, Soee ARB, Kutsch WL, Gockede M, Buchmann N (2008): Representative estimates of soil and ecosystem respiration in an old beech forest. Plant and Soil doi: 10.1007/s11104-007-9467-2

  • Granier A, Reichstein M, Breda N, Janssens IA, Falge E, Ciais P, Grunwald T, Aubinet M, Berbigier P, Bernhofer C, Buchmann N, Facini O, Grassi G, Heinesch B, Ilvesniemi H, Keronen P, Knohl A, Kostner B, Lagergren F, Lindroth A, Longdoz B, Loustau D, Mateus J, Montagnani L, Nys C, Moors E, Papale D, Peiffer M, Pilegaard K, Pita G, Pumpanen J, Rambal S, Rebmann C, Rodrigues A, Seufert G, Tenhunen J, Vesala T, Wang Q (2007): Evidence for soil water control on carbon and water dynamics in European forests during the extremely dry year: 2003. Agricultural and Forest Meteorology 143:123-145

  • Owen KE, Tenhunen J, Reichstein M, Wang Q, Falge E, Geyer R, Xiao XM, Stoy P, Ammann C, Arain A, Aubinet M, Aurela M, Bernhofer C, Chojnicki BH, Granier A, Gruenwald T, Hadley J, Heinesch B, Hollinger D, Knohl A, Kutsch W, Lohila A, Meyers T, Moors E, Moureaux C, Pilegaard K, Saigusa N, Verma S, Vesala T, Vogel C (2007): Linking flux network measurements to continental scale simulations: ecosystem carbon dioxide exchange capacity under non-water-stressed conditions. Global Change Biology 13:734-760

  • Reichstein M, Ciais P, Papale D, Valentini R, Running S, Viovy N, Cramer W, Granier A, Ogee J, Allard V, Aubinet M, Bernhofer C, Buchmann N, Carrara A, Grunwald T, Heimann M, Heinesch B, Knohl A, Kutsch W, Loustau D, Manca G, Matteucci G, Miglietta F, Ourcival JM, Pilegaard K, Pumpanen J, Rambal S, Schaphoff S, Seufert G, Soussana JF, Sanz MJ, Vesala T, Zhao M (2007): Reduction of ecosystem productivity and respiration during the European summer 2003 climate anomaly: a joint flux tower, remote sensing and modelling analysis. Global Change Biology 13:634-651

  • Reichstein M, Papale D, Valentini R, Aubinet M, Bernhofer C, Knohl A, Laurila T, Lindroth A, Moors E, Pilegaard K, Seufert G (2007): Determinants of terrestrial ecosystem carbon balance inferred from European eddy covariance flux sites. Geophysical Research Letters 34

  • Funk JL, Giardina CP, Knohl A, Lerdau MT (2006): Influence of nutrient availability, stand age, and canopy structure on isoprene flux in a Eucalyptus saligna experimental forest. Journal of Geophysical Research-Biogeosciences 111

  • Gottlicher S, Knohl A, Wanek W, Buchmann N, Richter A (2006): Short-term changes in carbon isotope composition of soluble carbohydrates and starch: from canopy leaves to the root system. Rapid Communications in Mass Spectrometry 20:653-660

  • Reithmaier LM, Gockede M, Markkanen T, Knohl A, Churkina G, Rebmann C, Buchmann N, Foken T (2006): Use of remotely sensed land use classification for a better evaluation of micrometeorological flux measurement sites. Theoretical and Applied Climatology 84:219-233

  • Skomarkova MV, Vaganov EA, Mund M, Knohl A, Linke P, Boerner A, Schulze ED (2006): Inter-annual and seasonal variability of radial growth, wood density and carbon isotope ratios in tree rings of beech (Fagus sylvatica) growing in Germany and Italy. Trees-Structure and Function 20:571-586

  • Baldocchi DD, Black TA, Curtis PS, Falge E, Fuentes JD, Granier A, Gu L, Knohl A, Pilegaard K, Schmid HP, Valentini R, Wilson K, Wofsy S, Xu L, Yamamoto S (2005): Predicting the onset of net carbon uptake by deciduous forests with soil temperature and climate data: a synthesis of FLUXNET data. International Journal of Biometeorology 49:377-387

  • Ciais P, Reichstein M, Viovy N, Granier A, Ogee J, Allard V, Aubinet M, Buchmann N, Bernhofer C, Carrara A, Chevallier F, De Noblet N, Friend AD, Friedlingstein P, Grunwald T, Heinesch B, Keronen P, Knohl A, Krinner G, Loustau D, Manca G, Matteucci G, Miglietta F, Ourcival JM, Papale D, Pilegaard K, Rambal S, Seufert G, Soussana JF, Sanz MJ, Schulze ED, Vesala T, Valentini R (2005): Europe-wide reduction in primary productivity caused by the heat and drought in 2003. Nature 437:529-533

  • Hemming D, Yakir D, Ambus P, Aurela M, Besson C, Black K, Buchmann N, Burlett R, Cescatti A, Clement R, Gross P, Granier A, Grunwald T, Havrankova K, Janous D, Janssens IA, Knohl A, Ostner BK, Kowalski A, Laurila T, Mata C, Marcolla B, Matteucci G, Moncrieff J, Moors EJ, Osborne B, Pereira JS, Pihlatie M, Pilegaard K, Ponti F, Rosova Z, Rossi F, Scartazza A, Vesala T (2005): Pan-European delta C-13 values of air and organic matter from forest ecosystems. Global Change Biology 11:1065-1093

  • Knohl A, Buchmann N (2005): Partitioning the net CO2 flux of a deciduous forest into respiration and assimilation using stable carbon isotopes. Global Biogeochemical Cycles 19:Art. No. GB4008

  • Knohl A, Werner RA, Brand WA, Buchmann N (2005): Short-term variations in d13C of ecosystem respiration reveals link between assimilation and respiration in a deciduous forest. Oecologia 142:70-82

  • Rebmann C, Gockede M, Foken T, Aubinet M, Aurela M, Berbigier P, Bernhofer C, Buchmann N, Carrara A, Cescatti A, Ceulemans R, Clement R, Elbers JA, Granier A, Grunwald T, Guyon D, Havrankova K, Heinesch B, Knohl A, Laurila T, Longdoz B, Marcolla B, Markkanen T, Miglietta F, Moncrieff J, Montagnani L, Moors E, Nardino M, Ourcival JM, Rambal S, Rannik U, Rotenberg E, Sedlak P, Unterhuber G, Vesala T, Yakir D (2005): Quality analysis applied on eddy covariance measurements at complex forest sites using footprint modelling. Theoretical and Applied Climatology 80:121-141

  • Reichstein M, Falge E, Baldocchi D, Papale D, Aubinet M, Berbigier P, Bernhofer C, Buchmann N, Gilmanov T, Granier A, Grunwald T, Havrankova K, Ilvesniemi H, Janous D, Knohl A, Laurila T, Lohila A, Loustau D, Matteucci G, Meyers T, Miglietta F, Ourcival JM, Pumpanen J, Rambal S, Rotenberg E, Sanz M, Tenhunen J, Seufert G, Vaccari F, Vesala T, Yakir D, Valentini R (2005): On the separation of net ecosystem exchange into assimilation and ecosystem respiration: review and improved algorithm. Global Change Biology 11:1424-1439

  • Anthoni PM, Knohl A, Rebmann C, Freibauer A, Mund M, Ziegler W, Kolle O, Schulze ED (2004): Forest and agricultural land-use-dependent CO2 exchange in Thuringia, Germany. Global Change Biology 10:2005-2019

  • Knohl A, Werner RA, Geilmann H, Brand WA (2004): Kel-FTM discs improve storage time of canopy air samples in 10-mL vials for CO2-delta C-13 analysis. Rapid Communications in Mass Spectrometry 18:1663-1665

  • Knohl A, Schulze E-D, Kolle O, Buchmann N (2003): Large carbon uptake by an unmanaged 250-year-old deciduous forest in Central Germany. Agricultural and Forest Meteorology 118:151-167

  • Nichol CJ, Lloyd J, Shibistova O, Arneth A, Roeser C, Knohl A, Matsubara S, Grace J (2002): Remote sensing of photosynthetic-light-use efficiency of a Siberian boreal forest. Tellus Series B-Chemical and Physical Meteorology 54B:677-687

  • Shibistova O, Lloyd J, Evgrafova S, Savushkina N, Zrazhewskaya G, Arneth A, Knohl A, Kolle O, Schulze E-D (2002): Seasonal and spatial variability in soil CO2 efflux rates for a central Siberian Pinus Sylvestris forest. Tellus Series B-Chemical and Physical Meteorology 54B:552-567

  • Shibistova O, Lloyd J, Zrazhewskaya G, Arneth A, Kolle O, Knohl A, Astrakhantceva N, Shijneva I, Schmerler J (2002): Annual ecosystem respiration budget for a Pinus sylvestris stand in central Siberia. Tellus Series B-Chemical and Physical Meteorology 54B:568-589

  • Knohl A, Kolle O, Minayeva TY, Milyukova IM, Vygodskaya NN, Foken T, Schulze ED (2002): Carbon dioxide exchange of a Russian boreal forest after disturbance by wind throw. Global Change Biology 8:231-246

  • Schulze E-D, Lloyd J, Kelliher FM, Wirth C, Rebmann C, Luehker B, Mund M, Knohl A, Milyukova I, Schulze W, Ziegler W, Varlagin A, Sogachov A, Valentini R, Dore S, Grigoriev S, Kolle O, Tchebakova N, Vygodskaya NN (1999): Productivity of forests in the Eurosibirian boreal region and their potential to act as a carbon sink - A synthesis. Global Change Biology 5:703-722



Thesis


  • Knohl A (2003)

    Carbon dioxide exchange and isotopic signature (13C) of an unmanaged 250-year-old deciduous forest.

    Berichte des Forschungszentrum Waldoekosysteme der Universitaet Goettingen, Reihe A, Band 188
    Goettingen, PhD thesis

  • Knohl A (1999)
    Kohlendioxid-, Wasserdampf- und Waermeaustausch eines durch Windwurf gestoerten Waldoekosystems in der west-russischen Taiga

    Universitaet Bayreuth, Diplomarbeit, Bayreuth