Modeling of decadal variations in the Black-Sea ecosystem |
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Authors: | V L Dorofeev |
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Institution: | 1. Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol, Ukraine
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Abstract: | We consider the decadal evolution of the Black-Sea ecosystem on the basis of a three-dimensional coupled model consisting
of the Black-Sea circulation model and a biogeochemical block. The circulation model is based on the widely used POM (Princeton
Ocean Model) model. The calculated hydrophysical fields are interpolated then to levels of the biogeochemical model, which
covers the upper 150-m layer. We demonstrate the close relationship between the interannual variation of hydrophysical fields
and the evolution of the main elements of the ecosystem. The period under consideration (1992–2001) is characterized by the
warming of the Black-Sea upper layer, which can be traced by the trend of a growing surface temperature. It follows from the
results of modeling that the process of warming is also revealed in the subsurface hydrophysical characteristics and the dynamics
of the main elements of the Black-Sea ecosystem. |
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Keywords: | |
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