"Hydrology and the Management of Watersheds, Fourth Edition" is a major revision and restructuring of this popular text. The content and scope have been improved and condensed, covering basic concepts and the fundamental aspects of hydrology and hydrologic processes, as well as methods and applications for managing watersheds. Examples throughout the book emphasize the use of web sites and access to the internet to acquire data, update methods and models, and to apply the latest technology to cope with issues of land and water use and climatic variability and change.
Beyond the university classroom, " Hydrology and the Management of Watersheds" discusses land and water resource issues with implications for professionals in hydrology and watershed management in the United States, North America and beyond
This monograph presents a theoretical analysis of filtering techniques for turbulent flow simulation. Both space and space-time filtering approaches are considered. The basic characteristics of these techniques are described and contrasted with conventional approaches of turbulence modeling. The mathematical nature of the approximation of the nonlinear terms in the filtered equations of motion is investigated, and it is shown that those approximations possess an asymptotic nature. The filtering effect in Fourier space is investigated, and a three-scale filtering approach is also presented. Both the space-time and three-scale filtering approaches are numerously tested in the context of random Burgers' flow. Some familiarity with fluid dynamics, turbulence, numerical methods for the solution of partial differential equations, asymptotic expansions and Fourier transforms is expected from the reader. The monograph is intended for researchers and graduate students interested in turbulent flow simulation, and it will be primarily used as a reference.
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