Seasonal variation of the carbonate system in Florida Bay

Frank J Millero, W. T. Hiscock, F. Huang, M. Roche, Zhong Zhang Jia Zhong Zhang

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The carbonate system has been studied in the Florida Bay from 1997 to 2000. Measurements of pH, total alkalinity (TA) and total inorganic carbon dioxide (TCO2) were made from 20 stations in the bay and used to calculate the partial pressure of carbon dioxide (pCO2) and the saturation states of aragonite (ωArg) and calcite (ωCal). The results were found to correlate with the salinity. The pH was low and the pCO2 was high for the freshwater input from the mangrove fringe due to the photochemical and biological oxidation of organic material. The TA and TCO2 for the freshwater input are higher than seawater due to the low values of pH and ω. The pH was high and the pCO2 was low in November in regions where the chlorophyll is high due to biological production. During the summer when the salinity is the highest the normalized values of TA and TCO2 were lower than average seawater, due to the inorganic precipitation of CaCO3 caused by the resuspension of sediments or the biological loss by macroalgae. A transect across the mangrove fringe near the outflow of Taylor Slough shows that PO4 and TA increases as the freshwater enters the Bay. This is thought to be due to the dissolution of CaCO3 in the low pH waters from the bacterial and photo oxidation of plant material.

Original languageEnglish (US)
Pages (from-to)101-123
Number of pages23
JournalBulletin of Marine Science
Volume68
Issue number1
StatePublished - 2001

Fingerprint

carbonate system
alkalinity
carbonates
seasonal variation
freshwater input
mangrove
carbon dioxide
seawater
salinity
biological production
photooxidation
inorganic carbon
aragonite
partial pressure
resuspension
calcite
chlorophyll
outflow
transect
dissolution

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography

Cite this

Millero, F. J., Hiscock, W. T., Huang, F., Roche, M., & Jia Zhong Zhang, Z. Z. (2001). Seasonal variation of the carbonate system in Florida Bay. Bulletin of Marine Science, 68(1), 101-123.

Seasonal variation of the carbonate system in Florida Bay. / Millero, Frank J; Hiscock, W. T.; Huang, F.; Roche, M.; Jia Zhong Zhang, Zhong Zhang.

In: Bulletin of Marine Science, Vol. 68, No. 1, 2001, p. 101-123.

Research output: Contribution to journalArticle

Millero, FJ, Hiscock, WT, Huang, F, Roche, M & Jia Zhong Zhang, ZZ 2001, 'Seasonal variation of the carbonate system in Florida Bay', Bulletin of Marine Science, vol. 68, no. 1, pp. 101-123.
Millero FJ, Hiscock WT, Huang F, Roche M, Jia Zhong Zhang ZZ. Seasonal variation of the carbonate system in Florida Bay. Bulletin of Marine Science. 2001;68(1):101-123.
Millero, Frank J ; Hiscock, W. T. ; Huang, F. ; Roche, M. ; Jia Zhong Zhang, Zhong Zhang. / Seasonal variation of the carbonate system in Florida Bay. In: Bulletin of Marine Science. 2001 ; Vol. 68, No. 1. pp. 101-123.
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