Articles | Volume 17, issue 13
https://doi.org/10.5194/bg-17-3427-2020
https://doi.org/10.5194/bg-17-3427-2020
Research article
 | 
06 Jul 2020
Research article |  | 06 Jul 2020

A decade of methane measurements at the Boknis Eck Time Series Station in Eckernförde Bay (southwestern Baltic Sea)

Xiao Ma, Mingshuang Sun, Sinikka T. Lennartz, and Hermann W. Bange

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Cited articles

Ahmerkamp, S., Winter, C., Janssen, F., Kuypers, M. M., and Holtappels, M.: The impact of bedform migration on benthic oxygen fluxes, J. Geophys. Res.-Biogeo, 120, 2229–2242, https://doi.org/10.1002/2015JG003106, 2015. 
Bange, H. W. and Malien, F.: Boknis Eck Time-series Database, Kiel Datamanagement Team, available at: https://www.bokniseck.de//database-access, last access: 23 March 2020. 
Bange, H. W., Bartell, U. H., Rapsomanikis, S., and Andreae, M. O.: Methane in the Baltic and North Seas and a reassessment of the marine emissions of methane, Global Biogeochem. Cy., 8, 465–480, https://doi.org/10.1029/94GB02181, 1994. 
Bange, H. W., Bergmann, K., Hansen, H. P., Kock, A., Koppe, R., Malien, F., and Ostrau, C.: Dissolved methane during hypoxic events at the Boknis Eck Time Series Station (Eckernförde Bay, SW Baltic Sea), Biogeosciences, 7, 1279–1284, https://doi.org/10.5194/bg-7-1279-2010, 2010. 
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/10.11029/12006GL026829, 2006. 
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Short summary
Monthly measurements of dissolved methane (CH4), a potent greenhouse gas, were conducted at Boknis Eck (BE), a time-series station in the southwestern Baltic Sea, from June 2006. In general CH4 concentrations increased with depth. High concentrations in the upper layer were linked to saline water inflow. Eckernförde Bay emitted CH4 to the atmosphere throughout the monitoring period. No significant trend was detected in CH4 concentrations or emissions during 2006–2017.
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