Ellison, W. and Balana, A. and Delbos, G. and Lamkaouchi, K. and Eymard, L. and Guillou, C. and Prigent, C. (1998) New permittivity measurements of seawater. Radio Science, 33 (3). pp. 639-648.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....


We have measured the permittivity of representative samples of natural seawater, synthetic seawater, and aqueous NaCl solutions over the frequency range 3-20 GHz, in 0.1-GHz steps and over the temperature range -2°-30°C in 1° steps. Additional measurements have been made at spot frequencies (23.8, 36.5, and 89 GHz) and at selected temperatures between -2° and 30°C. The data from these measurements have allowed us to deduce an interpolation function for ε(v, t, S) in the ranges 2 ≤ v ≤ 20 GHz, -2° ≤ t ≤ 30°C, and 20‰ ≤ S ≤ 40‰ with a precision of 1. If the frequency range is extended up to 40 GHz, the precision of the interpolation function is about 3. The data have also allowed us to compare the permittivities of natural seawater, synthetic seawater, and aqueous NaCl solution with the same salinities. Natural and synthetic seawater have the same permittivities within a 1 experimental error estimate. An aqueous NaCl solution has a significantly different permittivity (up to about 6 difference, depending upon the frequency and temperature).

Item Type: Article
Uncontrolled Keywords: Interpolation; Mathematical models; Radiometers; Remote sensing; Seawater; Sodium chloride; Solutions; Computational mechanics; Interpolation; Permittivity; Permittivity measurement, Radiative transfer models; Synthetic seawater, Permittivity measurement; Seawater, Aqueous NaCl solutions; Experimental errors; Frequency ranges; Interpolation function; Natural and synthetic seawaters; Representative sample; Synthetic seawater; Temperature range
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47
URI: http://eprints.umi.ac.ma/id/eprint/2992

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