The density of Caspian Sea waters

Frank J. Millero; Peter V. Chetirkin

doi:10.1016/0198-0149(80)90017-5

The density of Caspian Sea waters

Frank J. Millero, Peter V. Chetirkin

Ocean Sciences

Research output: Contribution to journal › Article

23 Scopus citations

Abstract

The densities of surface waters from the Caspian Sea have been determined at 5, 15, 25, and 35°C. The composition of the waters has been related to the chlorinity and relative conductivity. The densities have been used to determine an equation of state for Caspian seawaters at one atmosphere. The densities of Caspian seawaters are ∼560 × 10^-6 g cm^-3 higher than standard seawater at the same salinity due to the higher concentrations of Mg²⁺, Ca²⁺, and SO₄^2-. Calculations of the density of Caspian seawaters at 25°C from density data on the components of the waters agree with the measured values to ±28 × 10^-6 g cm^-3.

Original language	English (US)
Pages (from-to)	265-271
Number of pages	7
Journal	Deep Sea Research Part A, Oceanographic Research Papers
Volume	27
Issue number	3-4
DOIs	https://doi.org/10.1016/0198-0149(80)90017-5
State	Published - Apr 1980

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ASJC Scopus subject areas

Environmental Science(all)
Earth and Planetary Sciences(all)

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Millero, F. J., & Chetirkin, P. V. (1980). The density of Caspian Sea waters. Deep Sea Research Part A, Oceanographic Research Papers, 27(3-4), 265-271. https://doi.org/10.1016/0198-0149(80)90017-5

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AB - The densities of surface waters from the Caspian Sea have been determined at 5, 15, 25, and 35°C. The composition of the waters has been related to the chlorinity and relative conductivity. The densities have been used to determine an equation of state for Caspian seawaters at one atmosphere. The densities of Caspian seawaters are ∼560 × 10-6 g cm-3 higher than standard seawater at the same salinity due to the higher concentrations of Mg2+, Ca2+, and SO42-. Calculations of the density of Caspian seawaters at 25°C from density data on the components of the waters agree with the measured values to ±28 × 10-6 g cm-3.

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10.1016/0198-0149(80)90017-5