The 20th century's automobile-inspired land use changes brought about tremendous transformations in how stormwater moves across the modern urban land-scape. Streets and parking areas in the average urban family's neighborhood now exceed the amount of land devoted to living space. Add parking, office and commercial space, and it's easy to understand how modern cities have experienced a three-fold increase in impervious areas. Traditional wet weather collection systems removed stormwater from urban areas as quickly as possible, often transferring problems downstream. Innovative Urban WetWeather Flow Management Systems does two things: It considers the physical, chemical, and biological characteristics of urban runoff; then describes innovative methods for improving wet weather flow (WWF) management systems. The result of extensive research, Innovative Urban Wet-Weather Flow Manage-ment Systems looks most at how to handle runoff in developments of the 21st century: the confl icting objectives of providing drainage while decreasing stormwater pollutant discharges; the impact of urban WWF on surface and groundwater, such as smaller urban stream channels scoured by high peak flows; sediment transport and the toxic effects of WWF on aquatic organisms; the effectiveness of WWF controls-including design guidelines and source and downstream controls-are an important issue. Innovative Urban Wet-Weather Flow Management Systems looks at how source controls like biofi ltration, created through simple grading, may work in newly developing areas, while critical source areas like an auto service facilities, may need more extensive treatment strategies. Focusing WWF treatment on intensively used areas, such as the 20 percent of streets that handle the bulk of the traffic, and under utilized parking areas is also considered. Developing a more integrated water supply system-collecting, treating, and disposing of wastewater, and handling urban WWF-requires innovative methods, such as a neighborhood-scale system that would recycle treated wastewater and storm water for lawn watering and toilet flushing, or use treated roof runoff for potable purposes.
Now updated with the latest research?the breakthrough way to lose weight, stop pain, and prevent disease Completely updated with the latest research, The Vitamin D Cure tells you all you need to know about this miraculous natural substance—today's best way to heal pain, prevent disease, and improve your mood. We now know that adding vitamin D to your daily regimen can net you unbelievable benefits, from reducing your chances of having certain kinds of cancer to gaining flexibility and youthful exuberance well into your seventies and beyond. And no, a dose of daily sunshine doesn't give you enough! Groundbreaking research reveals the healing power of this simple, readily available supplement. Physicians, researchers, and vitamin D users point to mounting evidence that the simple act of increasing the amount of vitamin D in your body can cure or help treat a remarkable number of diseases and ailments, including unwanted pounds, high blood pressure, back pain, muscle cramps, obesity, cancer, and diabetes. Leading rheumatologist and researcher Dr. James Dowd reveals the causes of vitamin D deficiency and offers a simple five-step program that can prevent or alleviate a host of health troubles in a matter of weeks. Incorporating the latest diet and lifestyle advice, the program helps you harness the power of the "sunshine vitamin" to transform your life. Whether you struggle with arthritis or chronic pain from an old injury or you simply want to lose weight and get back to a body image that reflects your best self, The Vitamin D Cure can be your key to a better, more vibrant you. All-new recipes and meal plans Up-to-date information on how vitamin D helps prevent disease and reduce pain New diet and supplement breakthroughs New information from scientific studies, a wealth of clinical data, and case stories
The latest book in the popular series demonstrates state-of-the-art methods, models, and techniques for water quality management. This book includes a CD-ROM that collects hundreds of hard-to-find literature citations from the gray literature.
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