Diagnostic modeling of residence times in estuaries

Anabela Oliveira, Antonio Baptista

Research output: Contribution to journalArticle

61 Citations (Scopus)

Abstract

The variability of estuarine residence times is elucidated through accurate, diagnostic numerical tracking of a large number of particles, complemented with statistical analysis. Residence times are shown to have strong spatial and temporal variability, which is accentuated by exchanges between the estuary and the coastal ocean due to chaotic stirring at the mouth. The concept of a single residence time per estuary, while convenient from both ecological and engineering viewpoints, is therefore shown to be an oversimplification. Maps of residence times and cumulative histograms are examined as alternatives. The former are attractive only for once-through tracers, while the latter appear useful over a broader range of tracer characteristics.

Original languageEnglish (US)
Pages (from-to)1935-1946
Number of pages12
JournalWater Resources Research
Volume33
Issue number8
StatePublished - Aug 1997

Fingerprint

Estuaries
tracer techniques
residence time
estuaries
estuary
modeling
mouth
Statistical methods
engineering
statistical analysis
oceans
tracer
histogram
ocean

ASJC Scopus subject areas

  • Aquatic Science
  • Environmental Science(all)
  • Environmental Chemistry
  • Water Science and Technology

Cite this

Diagnostic modeling of residence times in estuaries. / Oliveira, Anabela; Baptista, Antonio.

In: Water Resources Research, Vol. 33, No. 8, 08.1997, p. 1935-1946.

Research output: Contribution to journalArticle

Oliveira, Anabela ; Baptista, Antonio. / Diagnostic modeling of residence times in estuaries. In: Water Resources Research. 1997 ; Vol. 33, No. 8. pp. 1935-1946.
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