Dynamics of a turbulent rotating jet emerging from a vortex well to the flow surface

A.E. Shchodro1, A.N. Sorokin2, Yu.E. Shishkin1, 2 1Institute of Natural and Technical Systems, RF, Sevastopol, Gogol St., 14 2Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33  E-mail: ashodro@ya.ru DOI: 10.33075/2220-5861-2025-3-39-49 UDC 532.54                              EDN: https://elibrary.ru/jnjala Abstract: The dynamics of sediment uplift and dispersion were evaluated … Read more

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Problems of sewage treatment plants and their solutions

Y.V. Sizova, E.E. Borisova, D.P. Kruglov GBOU HE Nizhny Novgorod University of Engineering and Economics Nizhny Novgorod region, Knyaginino, Oktyabrskaya St., 22a E-mail: sizova_yuliya@bk.ru DOI: 10.33075/2220-5861-2025-1-07-20 UDC  551.324.63 551.583               EDN: https://elibrary.ru/jkwfex Abstract: Wastewater treatment is necessary to protect the environment, human health and to prevent serious environmental, sanitary and economic problems. … Read more

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Variability of the Atlantic Ocean surface heat balance

E.A. Bazyura1, 2, M.V. Biliunas3 1Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 2Sevastopol State University, RF, Sevastopol, Universitetskaya St., 33. E-mail: eisal@mail.ru 3FSBEI of HE “Kerch Marine Technological University,” RF, Kerch, Ordzhonikidze St., 82. E-mail: biliunas_mv@mail.ru DOI: 10.33075/2220-5861-2025-3-24-32 UDC 502.3, 551.504.54                     … Read more

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On the causes of interannual variability of the wind field and ocean surface temperature in the area of the Canary upwelling

A.B. Polonsky1, T.V. Voznaya1, 2 1Institute of Natural and Technical Systems, RF, Sevastopol, Gogol St., 14  E-mail: apolonsky5@mail.ru 2Sevastopol State University, Sevastopol, Universitetskaya St., 33 DOI: 10.33075/2220-5861-2025-3-14-23 UDC 551.465.6:588.16                              EDN: https://elibrary.ru/cjqhqx Abstract: The purpose of this work is to check how … Read more

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Potential population recruitment of the mussel Mytilus galloprovincialis and temperature anomalies of surface water off the coast of Crimea in different phases El Nino – Southern oscillation

I.I. Kazankova Institute of Natural and Technical Systems, RF, Sevastopol, Gogol St., 14 E-mail: ikazani@bk.ru    DOI: 10.33075/2220-5861-2025-2-18-28 UDC 574.24:504.064.36                     EDN: https://elibrary.ru/czjmkv Abstract:      The paper focuses on the study of interannual variability of the potential recruitment of the Black Sea mussel Mytilus galloprovincialis population … Read more

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Distribution of dissolved oil products in the waters of Abramova Bay (Crimea) based on observation data and numerical modeling

P.D. Lomakin, Yu. N. Ryabtsev, A.I. Chepyzhenko Marine Hydrophysical Institute of RAS, RF, Sevastopol, Kapitanskaya St., 2 E-mail: p_lomakin@mail.ru DOI: 10.33075/2220-5861-2025-2-09-17 UDC 504+551. 465                              EDN: https://elibrary.ru/czjmkv Abstract:      Based on expeditionary research data, dissolved oil products were discovered in the Abramova Bay in … Read more

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Relationship between radiographic density of cell walls and cell parameters of larch annual rings

P.P. Silkin, N.V. Ekimova Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 E-mail: ppsilk@rambler.ru DOI: 10.33075/2220-5861-2025-1-31-40 UDC 630*561.24:57.087                                                 EDN: https://elibrary.ru/blrmsc Abstract: Dendroclimatology is one of the modern methods of paleoclimate reconstruction with high time resolution equal to one year. To date, to solve the problems of dendroclimatology, along with the chronologies of … Read more

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El-Nino – Southern Oscillation in winter 2024–2025 and the La Nina 2025–2026 forecast

A.S. Lubkov, E.N. Voskresenskaya Institute of Natural and Technical Systems (INTS), RF, Sevastopol, Lenin St., 28 E-mail: andrey-ls2015@yandex.ru DOI: 10. 33075/2220-5861-2025-1-21-30 UDC 551.583                                                                  EDN: https://elibrary.ru/bjfsuz Abstract: The current state of El Nino – Southern Oscillation (ENSO) in the autumn and winter of 2024–2025 is considered in the paper. A forecast obtained using the neural … Read more

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How weather noise affects the model estimates of the surface mass balance of a mountain glacier

О.О. Rybak 1, 2, 3, Е.А. Rybak2, I.А. Коrneva2, 4, T.N. Postnikova1, 5, А.V. Shevchenko3, S.I. Shagin3 1Institute of Water Problems or RAS, Moscow, Gubkin St., 3 2Institute of Natural and Technical Systems, Sevastopol, Lenin St., 28. 3Кh.M. Berbekov Kabardino-Balkarian State University, Nalchik, Chernyshevsky St., 173 4Institute of Geography of RAS, Moscow, Staromonetny per., 29, … Read more

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Impact of alternating electromagnetic field on morphology and pigment composition of marine microalgae and cyanobacteria

N.A. Andreeva1, M.N. Penkov1, E.V. Shupova2 1Institute of Natural and Technical Systems, RF, Sevastopol, Lenin St., 28 2Sevastopol State University, RF, Sevastopol, University St., 33 DOI: 10.33075/2220-5861-2024-4-28-37 UDC 577.35. 582.273+561.232                                EDN: https://elibrary.ru/gkgvdp Abstract:      The effect of an alternating … Read more

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