Enhanced chlorophyll associated with tropical instability waves in the equatorial Pacific
Open accessAbstract
High resolution mooring time series are used to quantify significant chlorophyll anomalies associated with tropical instability waves (TIWs) in the equatorial Pacific. Distinct peaks characterized by very high chlorophyll (up to 3.5 mg m−3) are observed in association with TIW cold cusps. These high‐chlorophyll peaks appear to differ with respect to scale and intensity from those previously observed at subductive fronts. The physical processes responsible for the observed chlorophyll distributions are not mutually exclusive, and include advection, horizontal mixing, enhanced upwelling and concentration of biomass at fronts. Given the potentially large spatial extent of these high chlorophyll bands, their importance as regions of increased productivity and CO2 uptake is discussed.
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Strutton et al. (2001) show that chlorophyll increases because of enhanced upwelling.
“while Strutton et al. (2001) show that chlorophyll increases because of enhanced upwelling.”
From Physical drivers of the nitrate seasonal variability in the Atlantic cold tongue (2020) · cites this paper as Strutton et al. (2001)
Cites
Biological and Chemical Response of the Equatorial Pacific Ocean to the 1997-98 El Niño
Chavez, F. P., Strutton, P. G., Friederich, G. E., Feely, R. A., Feldman, G. C., Foley, D. G., & McPhaden, M. J. (1999) · Science · doi:10.1126/science.286.5447.2126 · Cited by 642 · see citing works
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Sea surface cooling at the Equator by subsurface mixing in tropical instability waves
Moum, J. N., Lien, R.-C., Perlin, A., Nash, J. D., Gregg, M. C., & Wiles, P. J. (2009) · Nature Geoscience · doi:10.1038/ngeo657 · Cited by 137 · see citing works
Biogeochemical impact of tropical instability waves in the equatorial Pacific
Gorgues, T., Menkes, C., Aumont, O., Vialard, J., Dandonneau, Y., & Bopp, L. (2005) · Geophysical Research Letters · doi:10.1029/2005gl024110 · Cited by 52 · see citing works
Physical drivers of the nitrate seasonal variability in the Atlantic cold tongue
Radenac, M.-H., Jouanno, J., Tchamabi, C. C., Awo, M., Bourlès, B., Arnault, S., & Aumont, O. (2020) · Biogeosciences · doi:10.5194/bg-17-529-2020 · Cited by 33 · see citing works
- Authors
- Strutton, P. G., Ryan, J. P., & Chavez, F. P.
- Affiliations
- Monterey Bay Aquarium Research Institute (US)
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2001-05-15
- Volume
- 28
- Issue
- 10
- Pages
- 2005-2008
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1984561690
- Cited by
- 83
- References
- 1
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 2 · 2023: 5 · 2022: 3 · 2021: 3 · 2020: 4 · 2018: 5 · 2017: 5 · 2016: 1 · 2014: 5 · 2013: 1 · 2012: 3
- FWCI
- 2.29
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Geophysical Research Letters (publishedVersion)
- Figshare (submittedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Oceanographic and Atmospheric Processes
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine Biology and Ecology Research
- Keywords
- tropical instability waves, chlorophyll anomalies, equatorial Pacific, upwelling, horizontal mixing, advection, ocean fronts, ocean primary productivity, CO2 uptake
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