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Atmospheric CO2 flux from mangrove surrounding waters
Borges, A.V.; Djendi, S.; Lacroix, G.; Théate, J.-M.; Delille, B.; Frankignoulle, M. (2003). Atmospheric CO2 flux from mangrove surrounding waters. Geophys. Res. Lett. 30(11): 1-4. http://dx.doi.org/10.1029/2003GL017143
In: Geophysical Research Letters. American Geophysical Union: Washington. ISSN 0094-8276; e-ISSN 1944-8007, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 66875 [ OMA ]

Keyword
    Marine

Authors  Top 
  • Borges, A.V., more
  • Djendi, S.
  • Lacroix, G., more
  • Théate, J.-M.
  • Delille, B., more
  • Frankignoulle, M., more

Abstract
    [1] The partial pressure of CO2 (pCO(2)) was measured at daily and weekly time scales in the waters surrounding mangrove forests in Papua New Guinea, the Bahamas and India. The pCO(2) values range from 380 to 4800 muatm. These data, together with previously published data, suggest that overall oversaturation of CO2 with respect to atmospheric equilibrium in surface waters is a general feature of mangrove forests, though the entire ecosystems (sediment, water and vegetation) are probably sinks for atmospheric CO2. The computed CO2 fluxes converge to about +50 mmolC m(-2) day(-1). If this conservative value is extrapolated for worldwide mangrove ecosystems, the global emission of CO2 to the atmosphere is about 50 10(6) tC year(-1). Based on this tentative estimate, mangrove waters appear to be regionally a significant source of CO2 to the atmosphere and should be more thoroughly investigated, especially at seasonal time scale.

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