Download or read book Mixing Heights Wind Speeds and Potential for Urban Air Pollution Throughout the Contiguous United States written by George C. Holzworth and published by . This book was released on 1972 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mixing-layer height and the average wind speed within the mixing layer were calculated twice for each day of a 5-year record of upper air observations at 62 National Weather Service stations int he contiguous United States. The times of day of these calculations are morning and mid-afternoon. A rough allowance was made for effects of the urban "heat island" on the morning mixing heights. The morning and afternoon times coincide approximately with those of maximum and secondary minimum concentrations of slow-reacting pollutants in cities. These calculations illustrate the typical large diurnal variation in atmospheric dispersion. Twenty charts present seasonal and annual, and morning and afternoon mean mixing heights and wind speeds. A model of some general dispersion features over urban areas is described in which the normalized pollutant concentration averaged over a city is a function of mixing height, wind speed, and city size (distance the wind travels across the city). Frequency values of mixing height by wind speed are used with the model to calculate average normalized concentration frequencies for each weather station. Thirty charts present isopleth analyses of seasonal and annual, and morning and afternoon normalized pollutant concentrations that were exceeded 10, 25, and 50 percent of the time for specified city sizes. The occurrence of episodes during which upper limits on mixing height and wind speed were not exceeded were determined from the daily morning and afternoon values of these parameters. Isopleths of the total number of episode-days for episodes lasting at least 2 days and at least 5 days with various limiting mixing-height and wind-speed values are presented in 20 charts.

Download or read book Mixing Heights Wind Speeds and Potential for Urban Air Pollution Throughout the Contiguous United States written by George C. Holzworth and published by . This book was released on 1972 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mixing Heights Wind Speeds and Potential for Urban Air Pollution Throughout Contiguous United States Errata written by and published by . This book was released on 1972 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Urban Air Pollution Modelling written by Michael M. Benarie and published by Springer. This book was released on 2015-12-26 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the methods, models and formulae used for estimating air pollution concentrations in urban areas. From the ForewordThe visible effects of pollution in most cities in the developed countries have been reduced dramatically in the past thirty years. This has been achieved to a large extent by the replacement of most of the low-level sources, which burnt raw coal, by more modern appliances using gas, electricity or low-sulphur oil. The killer smog of 1952 could not be repeated unless there were to be a massive return to old-fashioned heating methods, due, for example, to excessive environmental constraints being applied to the more modern energy sources. It is important, therefore, to judge the impact of a new source in terms of its effect on the pattern of existing sources. One should also consider the environmental consequences of rejecting the new installation and examine the alternatives--that its product may either be denied to the community at large, produced elsewhere or produced using existing facilities. These facilities are probably less efficient and may therefore produce more pollution per unit of product than the new plant would. An objective, quantitative, urban-air-pollution model is clearly an essential component in such a decision-making process. Dr. Benarie has produced a distillation of existing modelling techniques which will, I hope, become the launching pad for many future models. As each city is unique, it will need its own tailor-made model, drawing on the best and the most appropriate techniques developed previously. Agreement with observations is the only real test of validity, because the physics and chemistry are so complicated that theoretical arguments are reduced to the role of assisting in the best formulation of the problem. Numerical precision must always rely on measurement. This is the approach that Dr. Benarie has adopted.--David J. Moore, Central Electricity Research Laboratires, Leatherhead, Surrey, UK.

Download or read book Draft Environmental Impact Statement for Central Rock Mine written by United States. Strategic Petroleum Reserve Office and published by . This book was released on 1976 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Land Development and the Natural Environment written by Dale L. Keyes and published by . This book was released on 1976 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proposed Master Plan Update Development Actions Seattle Tacoma Sea Tac International Airport King County written by and published by . This book was released on 1996 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Fundamentals of Air Pollution written by Richard W. Boubel and published by Elsevier. This book was released on 2013-10-22 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of the premier air pollution textbook is completely updated and revised to include all components of the 1990 Clean Air Act Amendments. Fundamentals of Air Pollution, Third Edition covers the spectrum of topics pertinent to the study of air pollution: elements, sources, effects, measurement, monitoring, meteorology, and regulatory and engineering control. In addition, the textbook features new chapters on atmospheric emissions from hazardous waste sites, air pathways from hazardous waste sites, and the long-term effects of air pollution on the earth. It also presents updated information on acidic development, long-distance transport, atmospheric chemistry, and mathematical modeling. With extensive references, suggested reading lists, questions, and new figures and tables, this text will serve as an invaluable resource for students and practitioners alike. * This new edition features coverage of: Regulatory requirements of the Clean Air Act Amendments of 1990 New developments in the modelling of air quality Air pollution control Air pollution engineering/atmospheric chemistry

Download or read book Special Urban Air Pollution Problems Denver and Houston written by United States. Congress. House. Committee on Science and Technology. Subcommittee on the Environment and the Atmosphere and published by . This book was released on 1973 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Intermountain Power Project Environmental Statement written by United States. Bureau of Land Management and published by . This book was released on 1979 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Broadwell Basin Specified Hazardous Waste Facility San Bernardino County written by and published by . This book was released on 1993 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Holcomb Generating and Transmission Facility written by and published by . This book was released on 1980 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Indianapolis International Airport Master Plan Development written by and published by . This book was released on 1992 with total page 812 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dictionary Catalog of the Department Library written by United States. Department of the Interior. Library and published by . This book was released on 1969 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Colorado Airspace Initiative Modifications to the National Airspace System Existing Military Operations Areas MOA and Military Training Routes MTR CO NM KS NE WY written by and published by . This book was released on 1997 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Air Pollution Control Engineering written by Noel de Nevers and published by Waveland Press. This book was released on 2010-05-07 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air pollution control can be approached from a number of different engineering disciplines environmental, chemical, civil, and mechanical. To that end, Noel de Nevers has written an engaging overview of the subject. While based on the fundamentals of chemical engineering, the treatment is accessible to readers with only one year of college chemistry. In addition to discussions of individual air pollutants and the theory and practice of air pollution control devices, de Nevers devotes about half the book to topics that influence device selection and design, such as atmospheric models and U.S. air pollution law. The generous number of end-of-chapter problems are designed to develop more complex thinking about the concepts presented and integrate them with readers personal experienceincreasing the likelihood of deeper understanding.

Download or read book Air Pollution written by David H.F. Liu and published by CRC Press. This book was released on 2018-04-24 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Whether considered a threat to the health of humans in particular or of the ecosystem in general, the problem of air pollution affects us all. In addition to the 189 chemicals listed in the air toxins category of the 1990 Clean Air Act Amendments, smog, acid rain, ozone depletion, and global warming all arise from air pollution. You can debate the prime causes óacid rain, excessive lumbering or changes in the weather ó but the diminishing rainforest and the spreading desert speak for themselves. Air Pollution addresses the sources and results of these problems, and how they influence the environment. It surveys all aspects of management, including dispersion modeling, emission measurements, air quality and continuous emission monitoring, remote sensing, and stack sampling. In addition, the book explores methods of reduction and control, with particular attention to gaseous emission controls and odor control. This stellar resource addresses the prevention of pollution created by existing technology, and the design of future zero-emissions technology. A useful guide for engineers, students or anyone working for environmental protection, Air Pollution provides a solid foundation and presents a sound environmental philosophy. Béla G. Lipták speaks on Post-Oil Energy Technology on the AT&T Tech Channel.