Studying California's smog
نویسندگان
چکیده
منابع مشابه
Experimental Techniques for Studying Surface Chemistry in Smog Chambers
Chemical reactions occurring on the walls of environmental chambers provide a large fraction of the radical species which initiate gas phase smog chemistry, but the nature and magnitude of these processes have not received focused attention. For example, the empirical models used in conjunction with the UNC and Riverside smog chambers contain different reaction schemes and product distributions...
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The use of computational steering for smog prediction is described. This application is representative for many underlying issues found in steering high performance applications: high computing times, large data sets, and many di erent input parameters. After a short description of the smog prediction model, its visualization and steering are described. The amount of computation needed to solve...
متن کاملDesign and characterization of a smog chamber for studying gas-phase chemical mechanisms and aerosol formation
We describe here characterization of a new stateof-the-art smog chamber facility for studying atmospheric gas-phase and aerosol chemistry. The chamber consists of a 30 m3 fluorinated ethylene propylene (FEP) Teflon film reactor housed in a temperature-controlled enclosure equipped with black lamps as the light source. Temperature can be set in the range from −10 to 40 C at accuracy of ±1 C as m...
متن کاملThe Standardization of Smog
Of the plants commonly found in Los Angeles County whose responses to smog 2 have been under extensive observation, Poa annua (annual bluegrass) was selected as one worthy of intensive study. It was early reported as one of the most sensitive of the plants observed in the field (11). Because it has a regular habit of growth, can be easily and quiekly grown in small containers, and because the b...
متن کاملEffects of photochemical smog
Photochemical smog IS a complex m1xture of chemiCals, some harmless. others h1ghly react1ve and poten11ally dangerous for plants, an1mats and humans. The main consmuents of photochemical smog are ozone (0.,) and nitrogen diox1de (N0 2). Although ozone is widely cons1dered the chTef indicator of photochemical smog, Ollrogen diox1de IS an important pollutant in 11s own right, alfecllng human and ...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2008
ISSN: 0096-3941
DOI: 10.1029/2008eo200004