By Zhen-Gang Ji
Mathematical modeling for environmental and water assets management
This hands-on reference illustrates the foundations, uncomplicated techniques, mathematical descriptions, and sensible purposes of modeling floor waters. It discusses hydrodynamics, sediment tactics, poisonous destiny and delivery, and water caliber and eutrophication in rivers, lakes, estuaries, and coastal waters. there was nice growth in mathematical modeling that simulates floor waters numerically. Modeling is turning into a robust instrument, and this reference will get readers up to the mark speedy. virtually equipped to facilitate speedy reference, Hydrodynamics and Water caliber: Modeling Rivers, Lakes, and Estuaries:
- makes a speciality of the way to clear up environmental difficulties in floor waters
- makes use of a pragmatic, application-oriented process: chapters start with an creation of easy suggestions, continue to discussions of actual, chemical, and/or organic methods and their mathematical representations, and finish with real-life case reviews
- Has a significant other CD that features a modeling package deal and digital documents of numerical types, case stories, and version effects, plus different fabrics to assist readers use the versions and instruments
- beneficial properties case reports that convey how one can use types acceptable to environmental and water assets administration
- presents exact details on the way to use the 3-dimensional Environmental Fluid Dynamics Code (EFDC) version supported by means of the EPA
it is a must-have reference for environmental scientists, engineers, geologists, chemists, and executive regulators, in addition to different water caliber execs. it's also an exceptional textual content for graduate scholars in fields that surround hydrodynamics and water quality.Content:
Chapter 1 advent (pages 1–12):
Chapter 2 Hydrodynamics (pages 13–112):
Chapter three Sediment delivery (pages 113–200):
Chapter four Pathogens and Toxics (pages 201–245):
Chapter five Water caliber and Eutrophication (pages 247–416):
Chapter 6 exterior resources and TMDL (pages 417–436):
Chapter 7 Mathematical Modeling and Statistical Analyses (pages 437–472):
Chapter eight Rivers (pages 473–508):
Chapter nine Lakes and Reservoirs (pages 509–565):
Chapter 10 Estuaries and Coastal Waters (pages 567–634):
Read Online or Download Hydrodynamics and Water Quality: Modeling Rivers, Lakes, and Estuaries PDF
Similar hydrology books
Groundwater Hydrology of Springs: Engineering, Theory, Management and Sustainability
Groundwater Hydrology of Water source sequence Water is an important environmental source and person who should be adequately controlled. because the global locations extra emphasis on sustainable water provides, the call for for services in hydrology and water assets maintains to extend. This sequence is meant for pro engineers, who search an organization starting place in hydrology and a capability to use this information to unravel difficulties in water source administration.
Chemical Feed Field Guide for Treatment Plant Operators
This pocket box consultant explains dry, liquid, and fuel chemical feed platforms, calibrations, and dealing with and garage standards for varied different types of chemical compounds utilized in water remedy. convenient feed calculators for gasoline, liquid, and dry chemical substances are incorporated
Water Security: Principles, Perspectives and Practices
The aim of this publication is to present an outline of the newest study, coverage, practitioner, educational and overseas pondering on water security—an factor that, like water governance many years in the past, has built a lot coverage wisdom and momentum with quite a lot of stakeholders. As an idea it truly is open to a number of interpretations, and the authors the following set out a few of the techniques to the subject from various views.
Understanding Mathematical and Statistical Techniques in Hydrology: An Examples-based Approach
Choose up any hydrology textbook and it'll no longer be lengthy earlier than you stumble upon pages directory sequences of equations representing complicated mathematical suggestions. scholars and practitioners of hydrology won't locate this very worthy, as their goal, mostly, is to review and comprehend hydrology, and never to discover themselves faced with fabric that even scholars of arithmetic could locate tough.
Extra info for Hydrodynamics and Water Quality: Modeling Rivers, Lakes, and Estuaries
Example text
1, the governing equations under the Cartesian coordinates in 1D and 2D are described. After the sigma coordinate is introduced, this subsection also gives the 3D governing equations with the Cartesian coordinates in the horizontal and the sigma coordinate in the vertical. Natural waterbodies are all three dimensional. The hydrodynamic and water quality variables in these systems have spatial variations over length, width, and depth. There are instances in which a simplification in the governing equations is permissible.
Blumberg and Mellor, 1987; Hamrick, 1992). By using the hydrostatic approximation, the models have momentum equations only in the horizontal direction; and the vertical momentum equation is simplified to the hydrostatic equation, Eq. 5). This often prevents the application of these models to near field problems, where a high degree of turbulence occurs. For example, a model that does not include vertical momentum equation cannot resolve momentum transfer due to a submerged jet. Except when jet plumes are simulated, the quasi-3D approximation is frequently used in hydrodynamic studies with sufficient computational accuracy.
But, given the lengths of open water found in most rivers, lakes, and estuaries, it is likely that the resulting current velocity will be less than this magnitude. For example, currents in a narrow estuary may be predominantly tidal and the wind has minimum impact on the flow in a long run. On the other hand, if the estuary is wide, wind stresses can generate currents of considerable importance. The wind may modify the circulation and become a major force on occasions, but the wind cannot be responsible for the mean circulation over extended periods of time.