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Book Chapter

The application of compensation point concepts in scaling of fluxes

MPS-Authors
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Conrad,  R       
Department of Biogeochemistry, Alumni, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

External Resource

https://doi.org/10.1016/S0167-5117(98)80031-1
(Publisher version)

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Citation

Conrad, R., & Dentener, F. (1999). The application of compensation point concepts in scaling of fluxes. In A. F. Bouman (Ed.), Approaches to Scaling of Trace Gas Fluxes in Ecosystems (pp. 205-216). Elsevier.


Cite as: https://hdl.handle.net/21.11116/0000-000F-CBA8-F
Abstract
Publisher Summary
This chapter discusses the use of compensation points in understanding measured atmosphere–biosphere exchange fluxes and describes the fluxes in models. The chapter considers compensation points for terrestrial systems. The fluxes of H2, OCS, N2O, and CH4 can be evaluated easily. These gases have long atmospheric lifetimes and constant ambient concentrations. Therefore, it is sufficient to evaluate the magnitude, temporal, and spatial variations of the compensation points and exchange velocities to estimate fluxes to and from the atmosphere. Application of compensation points in models is useful when the compensation concentrations are in the same range as the atmospheric concentrations and the spatial scale of the soil and vegetation properties governing compensation concentrations is similar to the spatial scale of the atmospheric model. The compensation point is described as a function of soil and vegetation parameters and meteorological variables provided by the model.