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Fluxes of water, sediments, and biogeochemical compounds in salt marshes
Fagherazzi, S.; Wiberg, P.L.; Temmerman, S.; Struyf, E.; Zhao, Y.; Raymond, P.A. (2013). Fluxes of water, sediments, and biogeochemical compounds in salt marshes. Ecol. Proces. 2(3): 1-16. http://hdl.handle.net/10.1186/2192-1709-2-3
In: Ecological Processes. Springer: Berlin. ISSN 2192-1709, more
Peer reviewed article  

Available in  Authors 

Keywords
    Fluxes; Organic matter; Salt marshes; Marine

Authors  Top 
  • Fagherazzi, S., more
  • Wiberg, P.L.
  • Temmerman, S., more
  • Struyf, E., more
  • Zhao, Y.
  • Raymond, P.A.

Abstract
    Tidal oscillations systematically flood salt marshes, transporting water, sediments, organic matter, and biogeochemical elements such as silica. Here we present a review of recent studies on these fluxes and their effects on both ecosystem functioning and morphological evolution of salt marshes. We reexamine a simplified model for the computation of water fluxes in salt marshes that captures the asymmetry in discharge between flood and ebb. We discuss the role of storm conditions on sediment fluxes both in tidal channels and on the marsh platform. We present recent methods and field instruments for the measurement of fluxes of organic matter. These methods will provide long-term data sets with fine temporal resolution that will help scientists to close the carbon budget in salt marshes. Finally, the main processes controlling fluxes of biogenic and dissolved silica in salt marshes are explained, with particular emphasis on the uptake by marsh macrophytes and diatoms.

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