The report presents basic information about the World Ocean and Russian seas wind waves forecasting system operating at the Hydrometeorological Centre of Russia. The accuracy of the forecasts is compared with those of similar national and foreign prognostic systems.
To analyze the intra-annual variability of the thermal and dynamic characteristics of the ocean, we used the calculations based on the NEMO model, including the assimilation of observational temperature and salinity data by Argo buoys, as well as satellite data on ice cover and sea surface temperature. The features of the geographical and vertical distributions of annual and semi-annual variations in water temperature and globaly averaged spectrum of current velocity are considered. The areas with a prevailing contribution of semi-annual fluctuations are identified. They are in the equatorial zone and in the northwestern Indian Ocean, which is under the influence of the monsoon processes.
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