ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - HYDROLOGYTHE PURPOSES OF HYDROLOGICAL STUDIES docx

... and snowmelt inputs into fast, medium, slow and very slow components of run-off. This subdivision of the total run-off depends on the present status of each section of the soil mois- ture and ... HYDROLOGY THE PURPOSES OF HYDROLOGICAL STUDIES Hydrology is concerned with all phases of the transport of water between the atmosphere, the land surface and sub- su...

Ngày tải lên: 10/08/2014, 20:20

... primarily of bacteria, protozoa, and fungi, coats the surface of filter media. The activity in biological film is aerobic, with move- ment of oxygen, food and end-products in and out of it as ... Municipal Wastewater, Encyclopedia of Environmen- tal Science and Engineering, Vol. 1, edited by J. R. Pfafflin and E.N. Ziegler, Gordon and Breach, New York. 2. Gates,...

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... achievement of the highest and best use of land and resources is more profitable to man- kind than unplanned development. 6) The police power of the state, the ultimate sov- ereignty of the people, and ... Bureau of Sport Fisheries and Wildlife, and the Bureau of Land Management of the United States Department of the Interior, the Corps of Engineers of the Uni...

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... Zeigler and J.R. Pfafflin (1983) Effects of chemical pol- lutants on human ecology, The Encyclopedia of Environmental Science and Engineering, 2nd Ed, Gordon and Breach, New York. Kling, J.W. and ... pollutants, The Encyclopedia of Environmental Science and Engineering, 2nd Ed., Gordon and Breach, New York. Fiske, D.W., H.F. Hunt, L. Luborsky, M. Orne, M.B...

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... suspended and bed sediment loads, unsteady and a wide variation of flood flows, meandering and braid- ing, large changes in stream channel cross-sections, obstruc- tions to flow, and other factors ... where tan u is the coefficient of friction and u is the angle of repose of the material. Equating Eq. (86) and (87) for the condition of impend- ing motion and solving...

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... (schematic) as function of time of day, over city and country. 50 40 30 20 0 5 10 15 20 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of time of day, on clear ... The first term on the right-hand side represents the rate of formation of particles of volume v due to coagulation, and the second term that rate of loss of partic...

Ngày tải lên: 01/04/2014, 11:44

... R.A. (1872), Air and Rain: The Beginnings of a Chemical Climatol- ogy. Longmans, Green, and Co., London, England. Stensland, G.J. and R.G. Semonin (1982), Another interpretation of the pH trend ... acidification and that the acid rain is pri- marily the result of long-range transport of pollutants from the heavily industrialized areas of northern Europe. The rain and...

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... The first term on the right-hand side represents the rate of formation of particles of volume v due to coagulation, and the second term that rate of loss of particles of volume v by coagulation ... light-scattering properties of an individual particle are a function of its size, shape and refractive index. The intensity of scattered light is a function of the scat...

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... competition. (HbCO) (HbO) 210 PC O PO 22  (HbCO) and (HbO 2 ) are the concentrations of carboxyhemo- globin and oxyhemoglobin, and PCO and PO 2 are the partial pressures of carbon monoxide and oxygen. Inspiration of air containing ... presence of different con- centrations of ambient carbon monoxide and the effect of various levels of activity on the rate of u...

Ngày tải lên: 10/08/2014, 20:20

... of time of day, over city and country. 50 40 30 20 05101520 Time of day 100-T, (%) FIGURE 7 Concentrations of air pollution (100-T%), as function of time of day, on clear day (solid line) and ... (m) A - EXTREMELY UNSTABLE B - MODERATELY UNSTABLE C - SLIGHTLY UNSTABLE D - NEUTRAL E - SLIGHTLY STABLE F - MODERATELY STABLE A B C D E F A - EXTREMELY...

Ngày tải lên: 10/08/2014, 20:20