THE STRUCTURE OF INTRA-ANNUAL VARIABILITY OF HYDROPHYSICAL FIELDS OF THE OCEAN IN THE GLOBAL VERSION OF THE NEMO MODEL WITH A DATA ASSIMILATION SYSTEM
Okeanologičeskie issledovaniâ(2019)
Abstract
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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