Impact of an artificial surfactant release on air-sea gas fluxes during Deep Ocean Gas Exchange Experiment II

M. E. Salter, R. C. Upstill-Goddard, P. D. Nightingale, S. D. Archer, B. Blomquist, D. T. Ho, B. Huebert, Peter Schlosser, M. Yang

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

During the 2007 UK SOLAS Deep Ocean Gas Exchange Experiment in the northeast Atlantic Ocean, we conducted the first ever study of the effect of a deliberately released surfactant (oleyl alcohol) on gas transfer velocities (kw) in the open ocean. Exchange rates were estimated with the 3He/SF6 dual tracer technique and from measured sea-to-air DMS fluxes and surface water concentrations. A total of seven kw estimates derived from 3He/SF6 were made, two of which were deemed to be influenced by the surfactant. These exhibited suppression from ∼5% to 55% at intermediate wind speeds (U10) in the range 7.2-10.7 m s-1. Similarly, kw determined from DMS data (kDMS) was also depressed by the surfactant; suppression ranged from ∼39% at 5.0 m s-1 to ∼24% at 10.8 m s-1. Surfactant thus has the potential to measurably suppress gas exchange rates even at moderate to high wind speeds.

Original languageEnglish (US)
Article numberC11016
JournalJournal of Geophysical Research: Oceans
Volume116
Issue number11
DOIs
StatePublished - Jan 1 2011
Externally publishedYes

Fingerprint

gas exchange
Surface-Active Agents
surfactants
surfactant
oceans
Gases
gases
Fluxes
air
dimethylsulfide
ocean
Air
exchange rate
gas
wind speed
experiment
wind velocity
Experiments
retarding
Atlantic Ocean

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

Cite this

Salter, M. E., Upstill-Goddard, R. C., Nightingale, P. D., Archer, S. D., Blomquist, B., Ho, D. T., ... Yang, M. (2011). Impact of an artificial surfactant release on air-sea gas fluxes during Deep Ocean Gas Exchange Experiment II. Journal of Geophysical Research: Oceans, 116(11), [C11016]. https://doi.org/10.1029/2011JC007023

Impact of an artificial surfactant release on air-sea gas fluxes during Deep Ocean Gas Exchange Experiment II. / Salter, M. E.; Upstill-Goddard, R. C.; Nightingale, P. D.; Archer, S. D.; Blomquist, B.; Ho, D. T.; Huebert, B.; Schlosser, Peter; Yang, M.

In: Journal of Geophysical Research: Oceans, Vol. 116, No. 11, C11016, 01.01.2011.

Research output: Contribution to journalArticle

Salter, ME, Upstill-Goddard, RC, Nightingale, PD, Archer, SD, Blomquist, B, Ho, DT, Huebert, B, Schlosser, P & Yang, M 2011, 'Impact of an artificial surfactant release on air-sea gas fluxes during Deep Ocean Gas Exchange Experiment II', Journal of Geophysical Research: Oceans, vol. 116, no. 11, C11016. https://doi.org/10.1029/2011JC007023
Salter, M. E. ; Upstill-Goddard, R. C. ; Nightingale, P. D. ; Archer, S. D. ; Blomquist, B. ; Ho, D. T. ; Huebert, B. ; Schlosser, Peter ; Yang, M. / Impact of an artificial surfactant release on air-sea gas fluxes during Deep Ocean Gas Exchange Experiment II. In: Journal of Geophysical Research: Oceans. 2011 ; Vol. 116, No. 11.
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