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Reply to Ollinger et al.: Remote sensing of leaf nitrogen and emergent ecosystem properties

2013; National Academy of Sciences; Volume: 110; Issue: 27 Linguagem: Inglês

10.1073/pnas.1305930110

1091-6490

Yuri Knyazikhin, P. Lewis, Mathias Disney, Matti Mõttus, Miina Rautiainen, Pauline Stenberg, Robert K. Kaufmann, Alexander Marshak, Mitchell Schull, P. Carmona, V. C. Vanderbilt, Anthony B. Davis, Frédéric Baret, Stéphane Jacquemoud, Alexei Lyapustin, Yan Yang, Ranga B. Myneni,

Plant responses to elevated CO2

Various physical, chemical, and physiological processes, including canopy structure, impact surface reflectance. Remote sensing aims to derive ecosystem properties and their functional relationships, given these impacts. Ollinger et al. (1) do not distinguish between the forward and inverse problems in radiative transfer and, hence, misrepresent our results (2). The authors also suggest our conclusions are based on a subset of data from ref. 3, which is not the case.