Residual circulation, mixing, and dispersion

Parker Maccready, Neil Banas

Research output: Chapter in Book/Report/Conference proceedingChapter

9 Citations (Scopus)

Abstract

This chapter covers tidally-averaged circulation, salinity structure, and dispersion in estuaries. It begins with a discussion of volume and salt conservation for full estuarine systems. This leads to a focus on volume and salt fluxes through a cross-section near the estuary mouth. Techniques for calculating various parts of these fluxes are reviewed, leading to the classical "exchange" and "tidal" parts of the up-estuary salt flux. A simple description of the physics leading to the exchange flow is given, with some discussion of the many factors ignored in its derivation. The tidal salt flux term is then discussed, somewhat more informally with comments on along-channel dispersion. Along the way we use specific examples from observations and numerical simulations. There is a bias toward our own work in U.S. Pacific Northwest estuaries, but hopefully we have indicated some sense of the scope of work globally. Estuarine residual flow and dispersion have also been reviewed extensively by other authors. In particular we recommend the excellent textbook by Fischer et al. (1979), as well as the textbooks by Dyer (1997), and Lewis (1997), and review articles by Geyer and Signell (1992), Chant (2010), Monismith (2010), and MacCready and Geyer (2010).
LanguageEnglish
Title of host publicationTreatise on Estuarine and Coastal Science
Number of pages32
Volume2
Edition1
Publication statusPublished - 2012

Fingerprint

estuary
salt
textbook
residual flow
physics
cross section
salinity
simulation

Keywords

  • circulation
  • tidally-averaged
  • subtidal
  • stratification
  • salt flux
  • headlands
  • exchange flow
  • eddies
  • dispersion

Cite this

Maccready, P., & Banas, N. (2012). Residual circulation, mixing, and dispersion. In Treatise on Estuarine and Coastal Science (1 ed., Vol. 2). [2.05]
Maccready, Parker ; Banas, Neil. / Residual circulation, mixing, and dispersion. Treatise on Estuarine and Coastal Science. Vol. 2 1. ed. 2012.
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Maccready, P & Banas, N 2012, Residual circulation, mixing, and dispersion. in Treatise on Estuarine and Coastal Science. 1 edn, vol. 2, 2.05.

Residual circulation, mixing, and dispersion. / Maccready, Parker; Banas, Neil.

Treatise on Estuarine and Coastal Science. Vol. 2 1. ed. 2012. 2.05.

Research output: Chapter in Book/Report/Conference proceedingChapter

TY - CHAP

T1 - Residual circulation, mixing, and dispersion

AU - Maccready, Parker

AU - Banas, Neil

PY - 2012

Y1 - 2012

N2 - This chapter covers tidally-averaged circulation, salinity structure, and dispersion in estuaries. It begins with a discussion of volume and salt conservation for full estuarine systems. This leads to a focus on volume and salt fluxes through a cross-section near the estuary mouth. Techniques for calculating various parts of these fluxes are reviewed, leading to the classical "exchange" and "tidal" parts of the up-estuary salt flux. A simple description of the physics leading to the exchange flow is given, with some discussion of the many factors ignored in its derivation. The tidal salt flux term is then discussed, somewhat more informally with comments on along-channel dispersion. Along the way we use specific examples from observations and numerical simulations. There is a bias toward our own work in U.S. Pacific Northwest estuaries, but hopefully we have indicated some sense of the scope of work globally. Estuarine residual flow and dispersion have also been reviewed extensively by other authors. In particular we recommend the excellent textbook by Fischer et al. (1979), as well as the textbooks by Dyer (1997), and Lewis (1997), and review articles by Geyer and Signell (1992), Chant (2010), Monismith (2010), and MacCready and Geyer (2010).

AB - This chapter covers tidally-averaged circulation, salinity structure, and dispersion in estuaries. It begins with a discussion of volume and salt conservation for full estuarine systems. This leads to a focus on volume and salt fluxes through a cross-section near the estuary mouth. Techniques for calculating various parts of these fluxes are reviewed, leading to the classical "exchange" and "tidal" parts of the up-estuary salt flux. A simple description of the physics leading to the exchange flow is given, with some discussion of the many factors ignored in its derivation. The tidal salt flux term is then discussed, somewhat more informally with comments on along-channel dispersion. Along the way we use specific examples from observations and numerical simulations. There is a bias toward our own work in U.S. Pacific Northwest estuaries, but hopefully we have indicated some sense of the scope of work globally. Estuarine residual flow and dispersion have also been reviewed extensively by other authors. In particular we recommend the excellent textbook by Fischer et al. (1979), as well as the textbooks by Dyer (1997), and Lewis (1997), and review articles by Geyer and Signell (1992), Chant (2010), Monismith (2010), and MacCready and Geyer (2010).

KW - circulation

KW - tidally-averaged

KW - subtidal

KW - stratification

KW - salt flux

KW - headlands

KW - exchange flow

KW - eddies

KW - dispersion

M3 - Chapter

SN - 0123747112

VL - 2

BT - Treatise on Estuarine and Coastal Science

ER -

Maccready P, Banas N. Residual circulation, mixing, and dispersion. In Treatise on Estuarine and Coastal Science. 1 ed. Vol. 2. 2012. 2.05