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Volume 13, issue 10
Biogeosciences, 13, 2981–3001, 2016
https://doi.org/10.5194/bg-13-2981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 13, 2981–3001, 2016
https://doi.org/10.5194/bg-13-2981-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 23 May 2016

Research article | 23 May 2016

Methane and sulfate dynamics in sediments from mangrove-dominated tropical coastal lagoons, Yucatán, Mexico

Pei-Chuan Chuang et al.

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Cited articles

Alongi, D. M., Sasekumar, A., Chong, V. C., Pfitzner, J., Trott, L. A., Tirendi, F., Dixon, P., and Brunskill, G. J.: Sediment accumulation and organic material flux in a managed mangrove ecosystem: estimates of land–ocean–atmosphere exchange in peninsular Malaysia, Mar. Geol., 208, 383–402, 2004.
Alongi, D. M., Pfitzner, J., Trott, L. A., Tirendi, F., Dixon, P., and Klumpp, D. W.: Rapid sediment accumulation and microbial mineralization in forests of the mangrove Kandelia candel in the Jiulongjiang Estuary, China, Estuar. Coast. Shelf S., 63, 605–618, 2005.
Barber, T. R., Burke, R. A., and Sackett, W. M.: Difusive flux of methane from warm wetlands, Global Biogeochem. Cy., 2, 411–425, 1988.
Barnes, J., Ramesh, R., Purvaja, R., Nirmal Rajkumar, A., Senthil Kumar, B., Krithika, K., Ravichandran, K., Uher, G., and Upstill-Goddard, R.: Tidal dynamics and rainfall control N2O and CH4 emissions from a pristine mangrove creek, Geophys. Res. Lett., 33, L15405, https://doi.org/10.1029/2006GL026829, 2006.
Bartlett, K. B., Harriss, R. C., and Sebacher, D. I.: Methane flux from coastal salt marshes, J. Geophys. Res.-Atmos., 90, 5710–5720, 1985.
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A transport-reaction model was used to simulate porewater methane and sulfate concentrations. Model results and sediment slurry incubation experiments show high methane production rates supported by non-competitive substrates and ample dissolved and labile organic matter as well as methane from deeper sediment through bubbles dissolution and diffusion. The shallow methane production and accumulation depths in these sediments promote high methane fluxes to the water column and atmosphere.
A transport-reaction model was used to simulate porewater methane and sulfate concentrations....
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