TY JOUR TI Investigation of the Upper Mixed Layer Variability in the Barents and Kara Seas KW Barents Sea KW Kara Sea KW upper mixed layer thickness KW vertical mixing KW linear trend KW interannual variability JO PHYSICAL OCEANOGRAPHY AU Bukatov, A.A. AU Pavlenko, E.A. AU Solovey, N.M. PY 2025 IS 41 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”