The book "Methods and means of measuring the speed of sound in the sea", created by the team of authors, is a unique and comprehensive study in the field of marine acoustics, which will definitely interest both specialists and enthusiastic fans of the science of the depths of the sea. This book is a true guide to the complex and exciting field of measuring the speed of sound in sea water, revealing to the reader the intricacies of modern methods and technologies used to obtain accurate data in the underwater world. What makes “Methods and means of measuring the speed of sound at sea” so attractive and important for readers? First of all, it plunges into the depths of marine science, Speaking of , how scientists and engineers solve the problem of determining the speed of sound in various conditions - from tropical coral reefs to cold Arctic waters The author’s team, including leading experts in the field of acoustics, hydrology and marine engineering, shares not only theoretical knowledge, but also practical recommendations based on the latest research and innovative technologies. This book will be an excellent assistant for students, graduate students and young scientists who are just beginning their journey in the field of marine acoustics, as well as for professionals working in the field of underwater research, navigation and maritime safety. It is ideal for those interested in measuring and analyzing acoustic signals in the marine environment, as well as specialists engaged in the development of new methods and tools for underwater research. For readers passionate about marine biology, hydrography or ecology, the book will open new horizons for understanding ocean processes and help understand how sound waves can be used to study marine ecosystems. The topics raised in this book cover a wide range of issues, from the physics of sound and its distribution in sea water to modern methods of measuring the speed of sound using acoustic sensors, sonar and special software complexes. Particular attention is paid to practical aspects: measurement techniques, equipment features, as well as the accuracy and reliability of the data received. All this makes the book not only a theoretical manual, but also a practical guide that can be used in field conditions and laboratory studies. The style of the authors is clear and accessible, which makes even complex technical topics understandable to a wide range of readers. The team of authors uses extensive experience and modern scientific approaches to convey to the audience the importance of accurate measurements of the speed of sound at sea for various applications - from navigation and underwater communication to monitoring the marine environment and finding underwater objects. In the book you can find many illustrations, graphs and diagrams that help to better assimilate the material and present complex processes in a visual form. If you are already familiar with such works as "Acoustics of marine environments" or "Theory and practice of measuring sound in the ocean", then "Methods and means of measuring the speed of sound in the sea" will be a logical continuation and expansion of knowledge for you. This book is not just a collection of technical data, but a lively and fascinating story about how science helps to understand and explore one of the most mysterious and important elements of the marine environment - sound. Overall , "Methods and means of measuring the speed of sound at sea" is a valuable publication for those, who wants to better understand the mechanisms of sound propagation in the ocean , learn how to apply modern measurement methods and evaluate the importance of acoustic data for solving urgent problems of marine science and technology . This book deserves the attention of all who are interested in marine acoustics, hydrography and ecology, because it is precisely accurate measurements of the speed of sound that help make underwater research more accurate, safe and effective.