Models for Describing the Diffusion of Oxygen and Other Mobile Constituents Across the Mud-Water Interface

Equations describing the diffusion of oxygen across the mud-water interface were derived for several model systems. The major innovation in some of these models over those found in the literature consists of allowing reductant to diffuse through the mud toward the mud-water interface. In comparison...

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Bibliographic Details
Published in:The Journal of ecology 1968-03, Vol.56 (1), p.77-87
Main Author: Bouldin, David R.
Format: Article
Language:English
Subjects:
Diffusion coefficient
Humus
Modeling
Mud
Musical intervals
Oxygen
Oxygen consumption
Parametric models
Plant roots
Reactants
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Summary:Equations describing the diffusion of oxygen across the mud-water interface were derived for several model systems. The major innovation in some of these models over those found in the literature consists of allowing reductant to diffuse through the mud toward the mud-water interface. In comparison with steady-state models where the reductant is treated as immobile, this innovation leads to considerable increases in estimated oxygen flux under some conditions. The various models are compared for specific values of pertinent parameters. The models may be applied to other mobile constituents in the mud-water system.
ISSN:0022-0477
1365-2745
DOI:10.2307/2258068