статья в журнале

En

Doklady Earth Sciences

ISSN:1028334
eSSN:1531-8354

2022

Tolstosheev, A.P.²

Lunev, E.G.²

Motyzhev, S.V.²

10.1134/S1028334X22040079

Abstract: The results of pioneering long-term observations of the surface layer salinity of the Black Sea by means of two drifters deployed in April 2021 are presented. The surface salinity is restored based on data from simultaneous measurements of the speed of sound and the temperature of seawater, which ensures the preservation of the metrological characteristics of the measuring channels under conditions of biological fouling. Analysis of synchronous observations of two buoys indicated that the calculation error of salinity was in the range of ±0.03‰. The variability of the surface layer salinity according to one of the drifters from April 14 to August 2, 2021, was compared with the salinity along the trajectory of the drifter, based on the analysis of the marine forecast service of the Copernicus program. The general trends in salinity changes according to observational and analytical data correspond quite well to each other. At the same time, a number of significant inaccuracies were revealed in the analyses of the marine forecast service in the gyre centers and in the areas of surface fronts. © 2022, Pleiades Publishing, Ltd

drifter, operational marine forecasts, operational observations, speed of sound, surface salinity