The book "Measurements of characteristics of marine internal waves", written by a team of authors, is a unique and in-depth study devoted to one of the most mysterious and poorly studied topics in the field of oceanography and hydrodynamics. Internal waves that occur in layers of water with different densities play a key role in the dynamics of oceans and seas, and their study opens new horizons for understanding the complex processes occurring in the aquatic environment. This work will be of particular interest to students, graduate students, and specialists in marine science, hydrology, and ecology. It will also attract the attention of researchers involved in climate change and its impact on marine ecosystems. The book is suitable for both those who are just beginning their journey in the study of oceanography, and for experienced scientists who want to deepen their knowledge of internal waves and methods of measuring them. The book discusses the various methods used to study the characteristics of marine internal waves, including modern technologies and tools such as remote sensing, acoustic measurements, and numerical models. The authors share their research and practical experience, which makes the material not only theoretically sound, but also practically applicable. Readers will be able to learn about the latest developments in this field, as well as how these techniques can be used to monitor and predict changes in marine ecosystems. Topics raised in the book range from the physics of internal waves to their effects on marine life and climate.[citation needed] Internal waves can have a significant impact on the distribution of heat and nutrients in the ocean, which in turn affects ecosystems and fisheries. The book emphasizes the importance of these processes and their connection with global climate change, which makes it relevant and important for the modern scientific community. The style of the authors is clear and accessible, which allows readers to easily assimilate complex concepts and ideas. Unlike many scientific papers, this book is not overloaded with complex terminology, which makes it understandable even for those who are not specialists in this field. The team of authors includes both experienced scientists and young researchers, which gives the work freshness and diversity of views. If you are interested in topics related to oceanography, ecosystems, climate change or just want to learn more about mysterious internal waves, this book will be a real find for you. It will not only expand your knowledge, but also inspire further research and discoveries in this fascinating field. In conclusion, “Measurement methods for the characteristics of marine internal waves” is not just a scientific work, but a real encyclopedia of knowledge that will help you better understand the complex processes occurring in the seas and oceans. This book will be an indispensable source of information for all who seek to deepen their knowledge of internal waves and their role in the global ecosystem. Do not miss the opportunity to discover the world of marine internal waves and their amazing characteristics!