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Interactions Between Macro‐ and Microorganisms in Marine Sediments Volume 60 by Carla M. Koretsky; Christof Meile; Philippe Van Cappellen is a Earth and Planetary Sciences article available to read on EtoBox.

What is Interactions Between Macro‐ and Microorganisms in Marine Sediments Volume 60 about?

The construction and ventilation of macrofaunal burrows can fundamentally alter biogeochemical processes in marine sediments. Burrowing benthic organisms produce lateral heterogeneity, intensify the cycling of redox-sensitive elements, and create ecological niches for microbial life. To quantify the increased solute transport, termed bioirdgation, resulting from macrofaunal activities, a variety of models, such as the Aller tube model and the one-dimensional nonlocal exchange model, have been developed. These models have been successful at reproducing some of the effects of burrow ventilation at early diagenetic scales. This chapter reviews the progress made in using existing and emerging reactive transport models to quantify the effects of bioirdgation and identifies current challenges to developing improved models. In particular, multidimensional models that account for reactive transport processes at the burrow-sediment interface, and the hydraulics associated with burrow ventilation, hold great promise for a more accurate representation of the role of benthic macrofauna in modem and ancient marine environments. ## Macro-and Microorganisms in Marine Sediments Coastal and Estuari

Who reads Interactions Between Macro‐ and Microorganisms in Marine Sediments Volume 60?

Author

Carla M. Koretsky; Christof Meile; Philippe Van Cappellen

Publisher

American Geophysical Union

Published

2005

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)