Search Results - "Mammarella, I."

Ozone Fluxes Over a Boreal Lake Exhibit Enhanced Deposition at Nights by Fung, P. L., Rannik, Ü., Mammarella, I., Vesala, T.

“…A few studies on ozone deposition over lake water are available and so far only one using the eddy covariance technique (Wesely et al., 1981,…”
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Plant mediated methane efflux from a boreal peatland complex by Korrensalo, A., Mammarella, I., Alekseychik, P., Vesala, T., Tuittila, E-S.

“…Purpose Aerenchymous plants are an important control for methane efflux from peatlands to the atmosphere, providing a bypass from the anoxic peat and avoiding…”
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A Deep Learning Parameterization for Ozone Dry Deposition Velocities by Silva, S. J., Heald, C. L., Ravela, S., Mammarella, I., Munger, J. W.

“…The loss of ozone to terrestrial and aquatic systems, known as dry deposition, is a highly uncertain process governed by turbulent transport, interfacial…”
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Effect of the 2018 European drought on methane and carbon dioxide exchange of northern mire ecosystems by Rinne, J, Tuovinen, J-P, Klemedtsson, L, Aurela, M, Holst, J, Lohila, A, Weslien, P, Vestin, P, Łakomiec, P, Peichl, M, Tuittila, E-S, Heiskanen, L, Laurila, T, Li, X, Alekseychik, P, Mammarella, I, Ström, L, Crill, P, Nilsson, M B

“…We analysed the effect of the 2018 European drought on greenhouse gas (GHG) exchange of five North European mire ecosystems. The low precipitation and high…”
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Assessing various drought indicators in representing summer drought in boreal forests in Finland by Gao, Y, Markkanen, T, Thum, T, Aurela, M, Lohila, A, Mammarella, I, Kämäräinen, M, Hagemann, S, Aalto, T

“…Droughts can have an impact on forest functioning and production, and even lead to tree mortality. However, drought is an elusive phenomenon that is difficult…”
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Calibration and validation of a semi-empirical flux ecosystem model for coniferous forests in the Boreal region by Minunno, F., Peltoniemi, M., Launiainen, S., Aurela, M., Lindroth, A., Lohila, A., Mammarella, I., Minkkinen, K., Mäkelä, A.

“…•The applicability of a forest flux ecosystem model to the Boreal region was tested.•Eddy-covariance measurements from 10 sites were used to evaluate the…”
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New Evidence for the Importance of Non‐Stomatal Pathways in Ozone Deposition During Extreme Heat and Dry Anomalies by Wong, A. Y. H., Geddes, J. A., Ducker, J. A., Holmes, C. D., Fares, S., Goldstein, A. H., Mammarella, I., Munger, J. W.

“…Dry deposition could partially explain the observed response in ambient ozone to extreme hot and dry episodes. We examine the response of ozone deposition to…”
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Variable Physical Drivers of Near‐Surface Turbulence in a Regulated River by Guseva, S., Aurela, M., Cortés, A., Kivi, R., Lotsari, E., MacIntyre, S., Mammarella, I., Ojala, A., Stepanenko, V., Uotila, P., Vähä, A., Vesala, T., Wallin, M. B., Lorke, A.

“…Inland waters, such as lakes, reservoirs and rivers, are important sources of climate forcing trace gases. A key parameter that regulates the gas exchange…”
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Ozone deposition into a boreal forest over a decade of observations: evaluating deposition partitioning and driving variables by Rannik, Ã, Altimir, N, Mammarella, I, Bäck, J, Rinne, J, Ruuskanen, T. M, Hari, P, Vesala, T, Kulmala, M

“…This study scrutinizes a decade-long series of ozone deposition measurements in a boreal forest in search for the signature and relevance of the different…”
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Field intercomparison of four methane gas analyzers suitable for eddy covariance flux measurements by Peltola, O, Mammarella, I, Haapanala, S, Burba, G, Vesala, T

“…Performances of four methane gas analyzers suitable for eddy covariance measurements are assessed. The assessment and comparison was performed by analyzing…”
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Warming response of peatland CO2 sink is sensitive to seasonality in warming trends by Helbig, M., Živković, T., Alekseychik, P., Aurela, M., El-Madany, T. S., Euskirchen, E. S., Flanagan, L. B., Griffis, T. J., Hanson, P. J., Hattakka, J., Helfter, C., Hirano, T., Humphreys, E. R., Kiely, G., Kolka, R. K., Laurila, T., Leahy, P. G., Lohila, A., Mammarella, I., Nilsson, M. B., Panov, A., Parmentier, F. J. W., Peichl, M., Rinne, J., Roman, D. T., Sonnentag, O., Tuittila, E.-S, Ueyama, M., Vesala, T., Vestin, P., Weldon, S., Weslien, P., Zaehle, S.

“…Peatlands have acted as net CO 2 sinks over millennia, exerting a global climate cooling effect. Rapid warming at northern latitudes, where peatlands are…”
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The fingerprint of the summer 2018 drought in Europe on ground-based atmospheric CO2 measurements by Ramonet, M., Ciais, P., Apadula, F., Bartyzel, J., Bastos, A., Bergamaschi, P., Blanc, P. E., Brunner, D., Caracciolo di Torchiarolo, L., Calzolari, F., Chen, H., Chmura, L., Colomb, A., Conil, S., Cristofanelli, P., Cuevas, E., Curcoll, R., Delmotte, M., di Sarra, A., Emmenegger, L., Forster, G., Frumau, A., Gerbig, C., Gheusi, F., Hammer, S., Haszpra, L., Hatakka, J., Hazan, L., Heliasz, M., Henne, S., Hensen, A., Hermansen, O., Keronen, P., Kivi, R., Komínková, K., Kubistin, D., Laurent, O., Laurila, T., Lavric, J. V., Lehner, I., Lehtinen, K. E. J., Leskinen, A., Leuenberger, M., Levin, I., Lindauer, M., Lopez, M., Myhre, C. Lund, Mammarella, I., Manca, G., Manning, A., Marek, M. V., Marklund, P., Martin, D., Meinhardt, F., Mihalopoulos, N., Mölder, M., Morgui, J. A., Necki, J., O'Doherty, S., O'Dowd, C., Ottosson, M., Philippon, C., Piacentino, S., Pichon, J. M., Plass-Duelmer, C., Resovsky, A., Rivier, L., Rodó, X., Sha, M. K., Scheeren, H. A., Sferlazzo, D., Spain, T. G., Stanley, K. M., Steinbacher, M., Trisolino, P., Vermeulen, A., Vítková, G., Weyrauch, D., Xueref-Remy, I., Yala, K., Yver Kwok, C.

“…During the summer of 2018, a widespread drought developed over Northern and Central Europe. The increase in temperature and the reduction of soil moisture have…”
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Imagery and spatial processes in blindness and visual impairment by Cattaneo, Zaira, Vecchi, Tomaso, Cornoldi, Cesare, Mammarella, Irene, Bonino, Daniela, Ricciardi, Emiliano, Pietrini, Pietro

“…The objective of this review is to examine and evaluate recent findings on cognitive functioning (in particular imagery processes) in individuals with…”
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Lake-atmosphere interactions at Alqueva reservoir: a case study in the summer of 2014 by Potes, M., Salgado, R., Costa, M. J., Morais, M., Bortoli, D., Kostadinov, I., Mammarella, I.

“…The study of lake-atmosphere interactions was the main purpose of a 2014 summer experiment at Alqueva reservoir in Portugal. Near-surface fluxes of momentum,…”
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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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Relationship between aerodynamic roughness length and bulk sedge leaf area index in a mixed‐species boreal mire complex by Alekseychik, P. K., Korrensalo, A., Mammarella, I., Vesala, T., Tuittila, E.‐S.

“…Leaf area index (LAI) is an important parameter in natural ecosystems, representing the seasonal development of vegetation and photosynthetic potential…”
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Methane Fluxes Into Atmosphere from Fennoskandian Lakes by Golubyatnikov, L. L., Mammarella, I.

“…The experimental data on methane fluxes into the atmosphere from Fennoscandian lakes is analyzed. The contribution made by the lake network of this northern…”
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Standardisation of eddy-covariance flux measurements of methane and nitrous oxide by Nemitz, Eiko, Mammarella, Ivan, Ibrom, Andreas, Aurela, Mika, Burba, George G., Dengel, Sigrid, Gielen, Bert, Grelle, Achim, Heinesch, Bernard, Herbst, Mathias, Hörtnagl, Lukas, Klemedtsson, Leif, Lindroth, Anders, Lohila, Annalea, McDermitt, Dayle K., Meier, Philip, Merbold, Lutz, Nelson, David, Nicolini, Giacomo, Nilsson, Mats B., Peltola, Olli, Rinne, Janne, Zahniser, Mark

“…Commercially available fast-response analysers for methane (CH ) and nitrous oxide (N O) have recently become more sensitive, more robust and easier to…”
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Evaluation of the LSA-SAF gross primary production product derived from SEVIRI/MSG data (MGPP) by Martínez, B., Gilabert, M.A., Sánchez-Ruiz, S., Campos-Taberner, M., García-Haro, F.J., Brümmer, C., Carrara, A., Feig, G., Grünwald, T., Mammarella, I., Tagesson, T.

“…The objective of this study is to describe a completely new 10-day gross primary production (GPP) product (MGPP LSA-411) based on data from the geostationary…”
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Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions by Rannik, Ã, Haapanala, S, Shurpali, N. J, Mammarella, I, Lind, S, Hyvönen, N, Peltola, O, Zahniser, M, Martikainen, P. J, Vesala, T

“…Four gas analysers capable of measuring nitrous oxide (N2O) concentration at a response time necessary for eddy covariance flux measurements were operated from…”
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