Search Results - "KNOHL, A"

Transpiration in an oil palm landscape: effects of palm age by Röll, A, Niu, F, Meijide, A, Hardanto, A, Hendrayanto, Knohl, A, Hölscher, D

“…Oil palm (Elaeis guineensis Jacq.) plantations cover large and continuously increasing areas of humid tropical lowlands. Landscapes dominated by oil palms…”
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Carbon allocation and carbon isotope fluxes in the plant-soil-atmosphere continuum: a review by Brüggemann, N., Gessler, A., Kayler, Z., Keel, S. G., 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.

“…The terrestrial carbon (C) cycle has received increasing interest over the past few decades, however, there is still a lack of understanding of the fate of…”
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Effects of canopy photosynthesis saturation on the estimation of gross primary productivity from MODIS data in a tropical forest by Propastin, P., Ibrom, A., Knohl, A., Erasmi, S.

“…The Moderate Resolution Imaging Spectroradiometer (MODIS) gross primary production (GPP) product (GPPMOD17A2) was evaluated against GPP from the eddy…”
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Temporal and among-site variability of inherent water use efficiency at the ecosystem level by Beer, C, Ciais, P, Reichstein, M, Baldocchi, D, Law, B.E, Papale, D, Soussana, J.F, Ammann, C, Buchmann, N, Frank, D, Gianelle, D, Janssens, I.A, Knohl, A, Köstner, B, Moors, E, Roupsard, O

“…Half‐hourly measurements of the net exchanges of carbon dioxide and water vapor between terrestrial ecosystems and the atmosphere provide estimates of gross…”
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The impact of extreme summer drought on the short-term carbon coupling of photosynthesis to soil CO2 efflux in a temperate grassland by Burri, S, Sturm, P, Prechsl, U E, Knohl, A, Buchmann, N

“…Along with predicted climate change, increased risks for summer drought are projected for Central Europe. However, large knowledge gaps exist in terms of how…”
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Water vapor δ2H and δ18O measurements using off-axis integrated cavity output spectroscopy by P. Sturm, A. Knohl

“…We present a detailed assessment of a commercially available water vapor isotope analyzer (WVIA, Los Gatos Research, Inc.) for simultaneous in-situ…”
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influence of climate and fructification on the inter-annual variability of stem growth and net primary productivity in an old-growth, mixed beech forest by Mund, M, Kutsch, W.L, Wirth, C, Kahl, T, Knohl, A, Skomarkova, M.V, Schulze, E.D

“…The periodic production of large seed crops by trees (masting) and its interaction with stem growth has long been the objective of tree physiology research…”
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Atmospheric deposition, CO2, and change in the land carbon sink by Fernández-Martínez, M., Vicca, S., Janssens, I. A., Ciais, P., Obersteiner, M., Bartrons, M., Sardans, J., Verger, A., Canadell, J. G., Chevallier, F., Wang, X., Bernhofer, C., Curtis, P. S., Gianelle, D., Grünwald, T., Heinesch, B., Ibrom, A., Knohl, A., Laurila, T., Law, B. E., Limousin, J. M., Longdoz, B., Loustau, D., Mammarella, I., Matteucci, G., Monson, R. K., Montagnani, L., Moors, E. J., Munger, J. W., Papale, D., Piao, S. L., Peñuelas, J.

“…Concentrations of atmospheric carbon dioxide (CO 2 ) have continued to increase whereas atmospheric deposition of sulphur and nitrogen has declined in Europe…”
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A sub-canopy structure for simulating oil palm in the Community Land Model (CLM-Palm): phenology, allocation and yield by Fan, Y, Roupsard, O, Bernoux, M, Le Maire, G, Panferov, O, Kotowska, M. M, Knohl, A

“…In order to quantify the effects of forests to oil palm conversion occurring in the tropics on land–atmosphere carbon, water and energy fluxes, we develop a…”
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Reduction of ecosystem productivity and respiration during the European summer 2003 climate anomaly: a joint flux tower, remote sensing and modelling analysis by REICHSTEIN, M, CIAIS, P, PAPALE, D, VALENTINI, R, RUNNING, S, VIOVY, N, CRAMER, W, GRANIER, A, OGÉE, J, ALLARD, V, AUBINET, M, BERNHOFER, Chr, BUCHMANN, N, CARRARA, A, GRÜNWALD, T, HEIMANN, M, HEINESCH, B, KNOHL, A, KUTSCH, W, LOUSTAU, D, MANCA, G, MATTEUCCI, G, MIGLIETTA, F, OURCIVAL, J.M, PILEGAARD, K, PUMPANEN, J, RAMBAL, S, SCHAPHOFF, S, SEUFERT, G, SOUSSANA, J.-F, SANZ, M.-J, VESALA, T, ZHAO, M

“…The European CARBOEUROPE/FLUXNET monitoring sites, spatial remote sensing observations via the EOS-MODIS sensor and ecosystem modelling provide independent and…”
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Solar dimming above temperate forests and its impact on local climate by Tudoroiu, M, Genesio, L, Gioli, B, Schume, H, Knohl, A, Brümmer, C, Miglietta, F

“…Vegetation has a substantial impact on the local climate. Land cover changes through afforestation or deforestation can amplify or mitigate climate warming by…”
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Response of CO2 and H2O fluxes in a mountainous tropical rainforest in equatorial Indonesia to El Niño events by Olchev, A, Ibrom, A, Panferov, O, Gushchina, D, Kreilein, H, Popov, V, Propastin, P, June, T, Rauf, A, Gravenhorst, G, Knohl, A

“…The possible impact of El Niño–Southern Oscillation (ENSO) events on the main components of CO2 and H2O fluxes between the tropical rainforest and the…”
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Forest and agricultural land-use-dependent CO₂ exchange in Thuringia, Germany by Anthoni, P.M, Knohl, A, Rebmann, C, Freibauer, A, Mund, M, Ziegler, W, Kolle, O, Schulze, E.D

“…Eddy covariance was used to measure the net CO2 exchange (NEE) over ecosystems differing in land use (forest and agriculture) in Thuringia, Germany…”
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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 by SKOMARKOVA, M. V, VAGANOV, E. A, MUND, M, KNOHL, A, LINKE, P, BOERNER, A, SCHULZE, E.-D

“…We investigated the variability of tree-ring width, wood density and ^sup 13^C/^sup 12^C in beech tree rings (Fagus sylvatica L.), and analyzed the influence…”
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Forest summer albedo is sensitive to species and thinning: how should we account for this in Earth system models? by 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

“…Although forest management is one of the instruments proposed to mitigate climate change, the relationship between forest management and canopy albedo has been…”
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Validation of 3D-CMCC Forest Ecosystem Model (v.5.1) against eddy covariance data for 10 European forest sites by 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

“…This study evaluates the performances of the new version (v.5.1) of 3D-CMCC Forest Ecosystem Model (FEM) in simulating gross primary productivity (GPP),…”
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Seasonal variation of photosynthetic model parameters and leaf area index from global Fluxnet eddy covariance data by Groenendijk, M., Dolman, A. J., Ammann, C., Arneth, A., Cescatti, A., Dragoni, D., Gash, J. H. C., Gianelle, D., Gioli, B., Kiely, G., Knohl, A., Law, B. E., Lund, M., Marcolla, B., van der Molen, M. K., Montagnani, L., Moors, E., Richardson, A. D., Roupsard, O., Verbeeck, H., Wohlfahrt, G.

“…Global vegetation models require the photosynthetic parameters, maximum carboxylation capacity (Vcm), and quantum yield (α) to parameterize their plant…”
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Preface "Stable Isotopes and Biogeochemical Cycles in Terrestrial Ecosystems by Bahn, M, Buchmann, N, Knohl, A

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Water supply patterns over Germany under climate change conditions by Tölle, M. H, Moseley, C, Panferov, O, Busch, G, Knohl, A

“…A large ensemble of 24 bias-corrected and uncorrected regional climate model (RCM) simulations is used to investigate climate change impacts on water supply…”
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Controls on winter ecosystem respiration in temperate and boreal ecosystems by Wang, T., Ciais, P., Piao, S. L., Ottlé, 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., Verma, S.

“…Winter CO2 fluxes represent an important component of the annual carbon budget in northern ecosystems. Understanding winter respiration processes and their…”
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