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Intercomparison of MODIS albedo retrievals and in situ measurements across the global FLUXNET network

Creator:: Cescatti, Alessandro, Marcolla, Barbara, Vannan, Suresh K. Santhana, Pan, Jerry Yun, Roman, Miguel O., Yang, Xiaoyuan, Ciais, Philippe, Cook, Robert B., Law, Beverly E., Matteucci, Giorgio, Migliavacca, Mirco, Moors, Eddy, Richardson, Andrew D., Seufert, Guenther, and Schaaf, Crystal B.
Abstract:: Surface albedo is a key parameter in the Earth's energy balance since it affects the amount of solar radiation directly absorbed at the planet surface. Its variability in time and space can be globally retrieved through the use of remote sensing products. To evaluate and improve the quality of satellite...
Resource Type:: Article
Full Text:: , Philippe Ciais f, Robert B. Cook c, Beverly E. Law g, Giorgio Matteucci h, Mirco Migliavacca a, Eddy Moors

What eddy-covariance measurements tell us about prior land flux errors in CO₂-flux inversion schemes

Creator:: Chevallier, Frederic, Wang, Tao, Ciais, Philippe, Maignan, Fabienne, Bocquet, Marc, Arain, M. Altaf, Cescatti, Alessandro, Chen, Jiquan, Dolman, A. Johannes, Law, Beverly E., Margolis, Hank A., Montagnani, Leonardo, and Moors, Eddy J.
Abstract:: To guide the future development of CO₂-atmospheric inversion modeling systems, we analyzed the errors arising from prior information about terrestrial ecosystem fluxes. We compared the surface fluxes calculated by a process-based terrestrial ecosystem model with daily averages of CO₂ flux measurements at 156 sites across the world in the FLUXNET...
Resource Type:: Article
Full Text:: Beverly E. Law,8 Hank A. Margolis,9 Leonardo Montagnani,10,11,12 and Eddy J. Moors13 Received 21 October

Performance of Linear and Nonlinear Two-Leaf Light Use Efficiency Models at Different Temporal Scales

Creator:: Wu, Xiaocui, Ju, Weimin, Zhou, Yanlian, He, Mingzhu, Law, Beverly E., Black, T. Andrew, Margolis, Hank A., Cescatti, Alessandro, Gu, Lianhong, Montagnani, Leonardo, Noormets, Asko, Griffis, Timothy J., Pilegaard, Kim, Varlagin, Andrej, Valentini, Riccardo, Blanken, Peter D., Wang, Shaoqiang, Wang, Huimin, Han, Shijie, Yan, Junhua, Li, Yingnian, Zhou, Bingbing, and Liu, Yibo
Abstract:: The reliable simulation of gross primary productivity (GPP) at various spatial and temporal scales is of significance to quantifying the net exchange of carbon between terrestrial ecosystems and the atmosphere. This study aimed to verify the ability of a nonlinear two-leaf model (TL-LUEn), a linear two-leaf model (TL-LUE), and a...
Resource Type:: Article
Full Text:: Light Use Efficiency Models at Different Temporal Scales Wu, X., Ju, W., Zhou, Y., He, M., Law, B. E

Quantifying the effect of forest age in annual net forest carbon balance

Creator:: Besnard, Simon, Carvalhais, Nuno, Arain, M. Altaf, Black, Andrew, de Bruin, Sytze, Buchmann, Nina, Cescatti, Alessandro, Chen, Jiquan, Clevers, Jan G. P. W., Desai, Ankur R., Gough, Christopher M., Havrankova, Katerina, Herold, Martin, Hortnagl, Lukas, Jung, Martin, Knohl, Alexander, Kruijt, Bart, Krupkova, Lenka, Law, Beverly E., Lindroth, Anders, Noormets, Asko, Roupsard, Olivier, Steinbrecher, Rainer, Varlagin, Andrej, Vincke, Caroline, and Reichstein, Markus
Abstract:: Forests dominate carbon (C) exchanges between the terrestrial biosphere and the atmosphere on land. In the long term, the net carbon flux between forests and the atmosphere has been significantly impacted by changes in forest cover area and structure due to ecological disturbances and management activities. Current empirical approaches for...
Resource Type:: Article
Full Text:: , AlexanderKnohl12, Bart Kruijt13, LenkaKrupkova11, Beverly E Law14, Anders Lindroth15, AskoNoormets16,17, Olivier

Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

Creator:: Niu, Shuli, Luo, Yiqi, Fei, Shenfeng, Yuan, Wenping, Schimel, David, Law, Beverly E., Ammann, Christof, Arain, M. Altaf, Arneth, Almut, Aubinet, Marc, Barr, Alan, Beringer, Jason, Bernhofer, Christian, Black, T. Andrew, Buchmann, Nina, Cescatti, Alessandro, Chen, Jiquan, Davis, Kenneth J., Dellwik, Ebba, Desai, Ankur R., Etzold, Sophia, Francois, Louis, Gianelle, Damiano, Gielen, Bert, Goldstein, Allen, Groenendijk, Margriet, Gu, Lianhong, Hanan, Niall, Helfter, Carole, Hirano, Takashi, Hollinger, David Y., Jones, Mike B., Kiely, Gerard, Kolb, Thomas E., Kutsch, Werner L., Lafleur, Peter, Lawrence, David M., Li, Linghao, Lindroth, Anders, Litvak, Marcy, Loustau, Denis, Lund, Magnus, Marek, Michal, Martin, Timothy A., Matteucci, Giorgio, Migliavacca, Mirco, Montagnani, Leonardo, Moors, Eddy, Munger, J. William, Noormets, Asko, Oechel, Walter, Olejnik, Janusz, Paw U, Kyaw Tha, Pilegaard, Kim, Rambal, Serge, Raschi, Antonio, Scott, Russell L., Seufert, Gunther, Spano, Donatella, Stoy, Paul, Sutton, Mark A., Varlagin, Andrej, Vesala, Timo, Weng, Ensheng, Wohlfahrt, Georg, Yang, Bai, Zhang, Zhongda, and Zhou, Xuhui
Abstract:: It is well established that individual organisms can acclimate and adapt to temperature to optimize their functioning. However, thermal optimization of ecosystems, as an assemblage of organisms, has not been examined at broad spatial and temporal scales. Here, we compiled data from 169 globally distributed sites of eddy covariance and...
Resource Type:: Article
Full Text:: Schimel4, Beverly E. Law5, Christof Ammann6, M. Altaf Arain7, Almut Arneth8,9, Marc Aubinet10, Alan Barr11

ScholarsArchive@OSU

Intercomparison of MODIS albedo retrievals and in situ measurements across the global FLUXNET network

What eddy-covariance measurements tell us about prior land flux errors in CO₂-flux inversion schemes

Performance of Linear and Nonlinear Two-Leaf Light Use Efficiency Models at Different Temporal Scales

Quantifying the effect of forest age in annual net forest carbon balance

Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms

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