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2 - Conservation Equations

Published online by Cambridge University Press:  24 February 2022

Arnoldo Valle-Levinson
Arnoldo Valle-Levinson
Affiliation:
University of Florida
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Summary

The basic quantitative tools to study the hydrodynamics, and any suspended and dissolved matter in water, of semi-enclosed basins are the conservation equations. Conservation of momentum and conservation of mass are used for water motion, while conservation of salt and conservation of heat address their distribution in space and time. An equation of state, the Thermodynamic Equation of Seawater, relates temperature (heat content in the water column), salinity, and pressure to water density, which plays a dynamic role in the conservation of momentum. The conservation of suspended or dissolved matter has an advective contribution that depends on water motion, a diffusive contribution, and a source/sink contribution. The source/sink contribution represents the greatest uncertainty in water-related studies.

Keywords

conservation of masssaltheatmomentumTEOS-10
Type
Chapter
Information
Introduction to Estuarine Hydrodynamics , pp. 8 - 26
Publisher: Cambridge University Press
Print publication year: 2022

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References

Additional Sources

IOC, SCOR and IAPSO (2010) The international thermodynamic equation of seawater – 2010: Calculation and use of thermodynamic properties. Intergovernmental Oceanographic Commission, Manuals and Guides No. 56, UNESCO (English), 196 pp.Google Scholar
Pond, S., and Pickard, G.L. (1983) Introductory Dynamical Oceanography. 2nd ed. Amsterdam: Elsevier.Google Scholar

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