The effect of tropical instability waves on CO2 species distributions along the equator in the eastern equatorial Pacific during the 1992 ENSO event

R. A. Feely, R. Wanninkhof, C. E. Cosca, M. J. McPhaden, R. H. Byrne, Frank J Millero, F. P. Chavez, T. Clayton, D. M. Campbell, P. P. Murphy

Research output: Contribution to journalArticle

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Abstract

Tropical instability waves have been shown to have a major impact on the variability of temperature and nutrients along the equatorial wave guide. In order to assess the impact of these features on carbon species distributions during an ENSO event, sea surface temperature, salinity, sigma‐t, nitrate, CO2 fugacity, total inorganic carbon, total alkalinity, and pH along the equator were measured from 130°W to 100°W during 8–15 May 1992. Concurrent moored measurements of surface currents and temperature were also made at 0°, 110°W. Results indicate that tropical instability waves, with periods of 15 to 20 days and zonal wavelengths of 700–800 km, controlled the observed spatial variability of the CO2 species, nitrate and hydrographic parameters at the equator.

Original languageEnglish (US)
Pages (from-to)277-280
Number of pages4
JournalGeophysical Research Letters
Volume21
Issue number4
DOIs
StatePublished - 1994

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equators
El Nino-Southern Oscillation
nitrate
equatorial wave
nitrates
inorganic carbon
fugacity
alkalinity
sea surface temperature
carbon
temperature
nutrients
salinity
wavelength
nutrient
wavelengths
distribution
effect
parameter

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

The effect of tropical instability waves on CO2 species distributions along the equator in the eastern equatorial Pacific during the 1992 ENSO event. / Feely, R. A.; Wanninkhof, R.; Cosca, C. E.; McPhaden, M. J.; Byrne, R. H.; Millero, Frank J; Chavez, F. P.; Clayton, T.; Campbell, D. M.; Murphy, P. P.

In: Geophysical Research Letters, Vol. 21, No. 4, 1994, p. 277-280.

Research output: Contribution to journalArticle

Feely, RA, Wanninkhof, R, Cosca, CE, McPhaden, MJ, Byrne, RH, Millero, FJ, Chavez, FP, Clayton, T, Campbell, DM & Murphy, PP 1994, 'The effect of tropical instability waves on CO2 species distributions along the equator in the eastern equatorial Pacific during the 1992 ENSO event', Geophysical Research Letters, vol. 21, no. 4, pp. 277-280. https://doi.org/10.1029/93GL03212
Feely, R. A. ; Wanninkhof, R. ; Cosca, C. E. ; McPhaden, M. J. ; Byrne, R. H. ; Millero, Frank J ; Chavez, F. P. ; Clayton, T. ; Campbell, D. M. ; Murphy, P. P. / The effect of tropical instability waves on CO2 species distributions along the equator in the eastern equatorial Pacific during the 1992 ENSO event. In: Geophysical Research Letters. 1994 ; Vol. 21, No. 4. pp. 277-280.
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AU - Cosca, C. E.

AU - McPhaden, M. J.

AU - Byrne, R. H.

AU - Millero, Frank J

AU - Chavez, F. P.

AU - Clayton, T.

AU - Campbell, D. M.

AU - Murphy, P. P.

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