The construction of three-dimensional hydrodynamic models in the professional software product NEXUS-Desktop (Landmark) (ARM speciality)”, written by a team of authors, is a unique and in-depth study in the field of hydrodynamic modeling, which will become an indispensable assistant for specialists working in the field of geosciences, ecology and engineering. This work not only illuminates theoretical aspects, but also offers practical solutions, making it an important resource for students, graduate students, and professionals. The book discusses in detail the methods of creating three-dimensional hydrodynamic models using the NEXUS-Desktop software developed by Landmark. Readers will be able to learn about the principles of working with this software product, its capabilities and features, as well as how to effectively apply it to solve real problems. The book covers a wide range of topics, including the basics of hydrodynamics, mathematical models, as well as practical examples, which allows the reader not only to master the theory, but also to apply the knowledge gained in practice. This book will be of particular interest to those engaged in the study of water resources, ecology, as well as the design and management of water systems. It is suitable for both undergraduate and graduate students, as well as for experienced professionals who want to expand their knowledge and skills in the field of hydrodynamic modeling. If you work in the field of ecology, hydrology or engineering, then this publication will be a valuable source of information and practical recommendations for you. The topics raised in the book cover not only the technical aspects of modelling, but also broader issues such as the impact of human activities on water resources and ecosystems. The authors emphasize the importance of accurate modelling for informed decision-making in the field of environmental protection and sustainable water management .. This makes the book relevant not only for professionals, but also for anyone interested in environmental issues and sustainable development. The style of the authors is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate complex concepts and apply them in practice. The team of authors includes experts in the field of hydrodynamics and programming, which ensures high quality of the material and its relevance. In addition, the book presents examples of successful application of NEXUS-Desktop in various projects, which allows the reader to see the practical value of the material being studied. If you are looking for literature on hydrodynamic modeling, then "Building three-dimensional hydrodynamic models in a professional software product NEXUS-Desktop (Landmark). It will be a great experience for you........................................... This book will not only enrich your knowledge, but also help you become more competent in your field. Read, study and apply the acquired knowledge to solve real problems facing you in your professional activities . Do not miss the opportunity to immerse yourself in the world of hydrodynamic modeling and discover new horizons with this fascinating and useful book!