The book "Theory and calculations of bottom density currents in the sea", written by a team of authors, is a unique and in-depth study devoted to one of the most complex and topical topics in the field of marine hydrodynamics. This publication will become an indispensable assistant for students, graduate students, scientists and practitioners interested in the dynamics of marine currents and their impact on ecosystems and marine technologies. The book discusses the main theoretical aspects related to the formation and development of bottom density currents, as well as methods for their calculation. The authors share their knowledge of the physical processes that underlie these currents, and describe their impact on the marine environment. Readers will be able to learn how density gradients caused by various factors, such as temperature and water salinity, lead to the formation of powerful underwater streams that can have a significant impact on marine life. The book will be especially interesting for those who are engaged in the study of oceanography, marine ecology or work in the field of marine technology. It is suitable for both students and professionals seeking to deepen their knowledge in this specific area. If you are passionate about studying marine processes, want to understand how they affect climate and ecosystems, or are looking for practical solutions for problems related to the design of underwater structures, this publication will be a real find for you. One of the key themes of the book is the importance of understanding bottom currents to predict changes in the marine environment. The authors emphasize that these currents play a significant role in the distribution of nutrients, as well as in the migration of marine organisms. In the context of climate change and anthropogenic impacts on the oceans, knowledge of the behavior and characteristics of density currents becomes especially relevant. The book offers readers not only theoretical knowledge, but also practical examples of calculations, which makes it useful for real-world applications. The style of the authors is distinguished by clarity and accessibility of presentation, which allows even complex scientific concepts to be presented in an understandable and fascinating form. The team of authors includes experienced scientists and practitioners, which ensures high quality of the material and the relevance of the data presented. Their previous work has also received recognition in the scientific community, and this publication will not be an exception. If you are looking for literature that will help you to better understand the dynamics of sea currents and their impact on the environment, "Theory and calculations of bottom density currents in the sea" will be your reliable companion in this fascinating journey. Readers interested in topics such as oceanography, hydrodynamics and ecology will find in this book a lot of useful information and inspiration for further research. Do not miss the opportunity to expand your knowledge and look at the world of sea currents from a new perspective. This book is your key to understanding the complex processes that occur under the surface of the ocean, and to understanding their significance for our planet.