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Air-sea gas transfer in a shallow, flowing and coastal environment estimated by dissolved inorganic carbon and dissolved oxygen analyses

DRS at CSIR-National Institute of Oceanography

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Title Air-sea gas transfer in a shallow, flowing and coastal environment estimated by dissolved inorganic carbon and dissolved oxygen analyses
 
Creator Abe, O.
Watanabe, A.
Sarma, V.V.S.S.
Matsu, Y.
Yamano, H.
Yoshida, N.
Saino, T.
 
Subject gas transfer
dissolved inorganic carbon
dissolved oxygen
Coral reef
 
Description We estimated gas exchange rates in Kabira Reef at Ishigaki Island, southwest Japan, using a mass balance calculation with dual ‘biological’ tracers: dissolved inorganic carbon (DIC) and dissolved oxygen (DO). The nighttime results allowed us to obtain reasonable gas transfer velocity kw values, all of which exceeded those obtained in wind-dominant studies. The difference is likely due to the contribution of turbulence generated by the interaction between the current and bottom topography. The k sub(w) obtained during high tides is consistent with that reported by Raymond and Cole (2001), whereas k sub(w) during low tides is significantly higher, which seems to be caused by enhanced friction with the bottom of the reef and/or bubble-induced gas transfer by wave breaking at the reef crest
 
Date 2010-05-10T10:26:12Z
2010-05-10T10:26:12Z
2010
 
Type Journal Article
 
Identifier Journal of Oceanography, vol.66(3); 363-372
http://drs.nio.org/drs/handle/2264/3599
 
Language en
 
Rights An edited version of this paper was published by the Oceanographic Society of Japan. Copyright [2010] The Oceanographic Society of Japan
 
Publisher The Oceanographic Society of Japan