Inter-annual variability of the water temperature in the Azov Sea and its regions in the summer season of 1992–2016
The range of inter-annual variability of the sea surface temperature (SST) in the Azov Sea (excluding the Taganrog Bay), as well as changes in its inter-annual course and the trends and repeating patterns it displayed, were studied and analyzed. The data for the research studies were provided by the expeditions carried out by AzNIIRKH (Rostov-on-Don) in the summer season (July–August) of 1992–2016. Two dissimilar periods, before 2005 and after, with differing measures of variability in the sea surface temperature, were established. The SST in the first period was characterized by relatively wide range of variability, by low values of the SST in all regions at the beginning of the research and its subsequent increase in the 1990-s, by prevailing synchronicity of the variability, and by vastly differing repeating patterns (2–7 years). The SST in the second period was characterized by relatively small range of variability, remaing at the level +24 °С or higher, by asynchronicity of the inter-annual variability, especially before 2013, and by a narrow range of repeating patterns (2–5 years). Some of the reasons for such differentiation are described.
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| Format: | Journal Contribution biblioteca |
| Language: | Russian |
| Published: |
2018
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| Subjects: | Sea surface temperature, Oceanographic surveys, Synchronicity, Annual variability, Seasonal variability, |
| Online Access: | http://hdl.handle.net/1834/14692 |
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| Summary: | The range of inter-annual variability of the sea surface temperature (SST) in the Azov Sea (excluding the
Taganrog Bay), as well as changes in its inter-annual course and the trends and repeating patterns it displayed, were studied and analyzed. The data for the research studies were provided by the expeditions carried out by AzNIIRKH (Rostov-on-Don) in the summer season (July–August) of 1992–2016. Two dissimilar periods, before 2005 and after, with differing measures of variability in the sea surface temperature, were established. The SST in the first period was characterized by relatively wide range of variability, by low values of the SST in all regions at the beginning of the research and its subsequent increase in the 1990-s, by prevailing synchronicity of the variability, and by vastly differing repeating patterns (2–7 years). The SST in the second period was characterized by relatively small range of
variability, remaing at the level +24 °С or higher, by asynchronicity of the inter-annual variability, especially before 2013, and by a narrow range of repeating patterns (2–5 years). Some of the reasons for such differentiation are described. |
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