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Respiration patterns in the deep ocean
Andersson, J.H.; Wijsman, J.W.M.; Herman, P.M.J.; Middelburg, J.J.; Soetaert, K.; Heip, C.H.R. (2004). Respiration patterns in the deep ocean. Geophys. Res. Lett. 31(3): L03304 (1-4). https://dx.doi.org/10.1029/2003GL018756
In: Geophysical Research Letters. American Geophysical Union: Washington. ISSN 0094-8276; e-ISSN 1944-8007, meer
Peer reviewed article  
Beschikbaar in  Auteurs | Dataset 
Trefwoorden
    Aquatic sciences > Marine sciences > Earth sciences > Oceanography
    Water bodies > Oceans
    Marien/Kust
Auteurs  Top | Dataset 
  • Andersson, J.H., meer
  • Wijsman, J.W.M., meer
  • Herman, P.M.J., meer
  • Middelburg, J.J., meer
  • Soetaert, K., meer
  • Heip, C.H.R., meer
Abstract
    The biological pump affects atmospheric CO2 levels and fuels most heterotrophic activity in the deep ocean. The efficiency of this pump depends on the rate of carbon fixation, export out of the euphotic zone and the depth of respiration. Here we study the depth dependence of respiration patterns, hence particulate carbon flux, using a compiled data set of sediment oxygen consumption rates. We show that the depth relationship can best be described by a double exponential model. For the upper part of the ocean, our resulting equation is similar to previous flux-depth relationships but predicted fluxes are significantly larger in deeper waters. This implies a more efficient biological pump. Total oceanic respiration below the shelf break (200 m) is estimated to be 827 Tmol O2 yr−1.
Dataset
  • Andersson J.H., Wijsman, J., Soetaert K. 1999: Database with Sediment Community Oxygen Consumption (SCOC) data from the literature. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1206, meer
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