CrimeaPRESS reports:
Intense, potentially dangerous standing waves — seiches — can penetrate into the Round Bay in the south of Sevastopol from other bodies of water. This was shown by a study by scientists from the Marine Hydrophysical Institute of the Russian Academy of Sciences (MGI RAS). Writes about the results Gazeta.RUwith reference to the Ministry of Education and Science of the Russian Federation.
Kruglaya Bay is connected with other bays, together forming a little-studied system. In a new study, scientists from MHI RAS and other institutes for the first time obtained data from direct long-term observations of sea level.
A special ultrasonic sea level meter was installed 35 meters from the shore, on one of the concrete supports of an unused pier at a depth of 1.7 meters. Two months of fluctuation data were analyzed using mathematical modeling. Scientists have found that intense seiche vibrations—standing waves that occur in closed and partially closed bodies of water—can form in Kruglaya Bay.
Due to the connection in the bay system, waves from one bay can penetrate into neighboring ones. They are called “strangers” in the literature. The intensity of “foreign” oscillations can significantly exceed the intensity of the own oscillations of a particular bay and pose a danger to ships and coastal infrastructure. We found that Kruglaya Bay presents a wide range of seiches, including fluctuations determined not only by the parameters of Kruglaya Bay, but also of neighboring bays– junior researcher at the Department of Wave Theory at MHI RAS, Candidate of Physical and Mathematical Sciences Yuri Manilyuk told Gazeta.Ru.
The researchers plan to create a network of sensors for long-term monitoring of long-wave oscillations in all bays of Sevastopol, study wave regimes and assess possible hazards associated with seiches. This will allow you to warn about threats in advance and take the necessary security measures.
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