ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - GREENHOUSE GASES EFFECTS ppsx

... computations of the effects of increasing greenhouse gases from 1850–1990 and extrapolated to 2050 AD; solid curve—model predictions of changes caused by both greenhouse gases and aerosols ... subsidence and detrainment of air and the evaporation of precipitation. Precipitation is calculated in terms of the water and ice content of the cloud; cooling of t...

Ngày tải lên: 10/08/2014, 20:20

... mil- lion females and 19 per million males, and 5 excess lung cancers per million females and 17 per million males. PLANT EFFECTS The effects upon the plant surfaces of the contact of vegeta- tion ... (1995), EPA-402-K-93–007. Health Aspects of Indoor Air, New York Academy of Medicine (1981), 57, No. 10. Health Effects of Acid Precipitation, Report of NIEHS Confere...

Ngày tải lên: 10/08/2014, 20:20

... methods for control of selenium and its compounds. However, based on the properties and on the methods of recovery and purification of selenium wet scrubbers and high- voltage electrostatic ... Agency, EPA-450/ 4-8 6-0 01, April 1986. 9. Homolya, J.B. and E. Robinson, “Natural and antropogenic emis- sion sources,” Chapter A-2 in the Audio Deposition Phenomena and...

Ngày tải lên: 10/08/2014, 20:20

... overview of the effects of air pollutants and their causes. From a practical standpoint, the most important factor in the control of indoor air pollution is the quality of the ven- tilation of occupied ... THC, benzene, and other gases associ- ated with the environmental and process industries. Bendix Environmental and Process Instrument Division, Box 831, Lewisbu...

Ngày tải lên: 01/04/2014, 11:44

... was a summary of the causes and effects of acidic deposition and a comparison of the costs and effectiveness of alternative emission control scenarios. Since adverse effects of acid rain on ... England, and the mid-Atlantic Highlands. Other lines of evidence, including surveys and the appli- cation of fish response models, also support this conclusion. In fut...

Ngày tải lên: 10/08/2014, 20:20

... 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...

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

... to apply his law of the minimum as rigidly as some have interpreted it, and we can best envision nutrient limitation from the standpoint of the balance and interac- tions of the whole nutrient ... north end of the lake and the southern end of the lake showed differ- ent periods of high productivity. This variability in productivity may be influenced by sewage discharge...

Ngày tải lên: 10/08/2014, 20:20

... condensation of low-vapor-pressure oxidation products of organic gases. The first step in organic-aerosol production is the formation of the low-vapor-pressure compound in the gas phase as a result of ... deposition, global- scale effects on stratospheric ozone, the sources and fates of toxic chemicals in the atmosphere, and urban and regional haze issues and the pr...

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,...

Ngày tải lên: 10/08/2014, 20:20