Ryabchenko V.A., Dvornikov A.Yu., Gorchakov V.A., Liberman Yu.M.
A system of real-time forecast of hydro-physical fields (HPFs) in limited regions of the Barents Sea is discussed. The system based on the Princeton Ocean Model (POM) uses the nested grid approach, a crude and fine grid being applied respectively to the whole Barents Sea and its separated region. The model is driven by prognostic meteorological fields and climatic HPFs prescribed at open sea boundaries. The sys-tem was applied to forecasting HPFs on the expedition polygon of 21 cruise of the RV “Academic Sergey Vavilov” in June 2005. The comparison of model HPFs with expedition data and model results obtained under observed meteorological forcing shows, that the differences between model solution and expedition data are mainly due to errors in prescribing HPFs at the open boundaries rather than errors in meteorolog-ical forecast.