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Pilot Acoustic Tomography Experiment in the Sea of Japan at 1073 km Distance

Grigory Dolgikh; Yuri Morgunov; Aleksander Golov; Vladimir Bezotvetnykh; Evgeny Voytenko; Mikhail Lebedev; Vasilii Razzhivin; Dmitrii Kaplunenko; Aleksandr Tagiltsev; Sergey Shkramada
Journal of Marine Science and Engineering · Vol. 11, Issue 7 · pp. 1325 · 2023

Abstract

This article discusses the results obtained from performing a test acoustic-hydrological experiment in August 2022 at a marine test site from the coast of Sakhalin Island to the Kita-Yamato Bank in the Sea of Japan. A methodology for preliminary studies in the water area is presented. It is designed to study the climatic variability of the temperature regimes of the aquatic environment based on numerical modeling using the RAY computer program and the NEMO ocean hydrodynamic circulation model. One of the main results is the value of the average temperature of the marine environment calculated with high accuracy on the axis of the underwater sound channel in the Sea of Japan on a thousand-kilometer acoustic path when crossing the vortex system. The appearance of the measuring system, technical means, and methods described in the article can be used as the basis for organizing high-precision operational monitoring of thermodynamic processes in extended marine areas.

Bibliographic Information

JournalJournal of Marine Science and Engineering
PublisherMDPI
Publication Date2023-06-29
Publication Year2023
Volume11
Issue7
Pages1325
Document TypeJournal Article
eISSN2077-1312
DOI10.3390/jmse11071325
SubjectMarine science; oceanography; marine engineering; coastal science; marine environment

Access Information

NARA Access CoverageOA / free full text
Journal Homepagehttps://www.mdpi.com/journal/jmse
Publisher PageOpen Publisher Page
This article is openly available from the publisher.