Measurements of air-sea gas transfer during an open ocean algal bloom

Philip D. Nightingale, Peter S. Liss, Peter Schlosser

Research output: Contribution to journalArticle

130 Citations (Scopus)

Abstract

Measurements of air-sea gas transfer were made during the development of a large algal bloom that immediately followed in-situ iron enrichment in the equatorial Pacific Ocean. Gas transfer rates were determined from changes in the ratio of the deliberately released tracers sulphur hexafluoride and helium-3. This first application of the dual tracer technique in the open ocean produced estimates of the gas transfer rate that were similar in magnitude to those obtained previously from measurements in shelf seas. We found no evidence that gas transfer rates declined during the development of the algal bloom. Incorporation of the new open ocean measurements with other published dual tracer data gives a relationship between transfer velocity and wind speed that explains 82% of the total variance in the dataset.

Original languageEnglish (US)
Pages (from-to)2117-2120
Number of pages4
JournalGeophysical Research Letters
Volume27
Issue number14
DOIs
StatePublished - Jul 15 2000
Externally publishedYes

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algae
open ocean
oceans
algal bloom
tracer
air
tracers
gases
gas
shelf sea
sulfur hexafluoride
helium isotopes
helium
Pacific Ocean
shelves
wind velocity
sulfur
iron
sea
ocean

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Measurements of air-sea gas transfer during an open ocean algal bloom. / Nightingale, Philip D.; Liss, Peter S.; Schlosser, Peter.

In: Geophysical Research Letters, Vol. 27, No. 14, 15.07.2000, p. 2117-2120.

Research output: Contribution to journalArticle

Nightingale, Philip D. ; Liss, Peter S. ; Schlosser, Peter. / Measurements of air-sea gas transfer during an open ocean algal bloom. In: Geophysical Research Letters. 2000 ; Vol. 27, No. 14. pp. 2117-2120.
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