Encyclopedia of Environmental Science and Engineering, Volume I and II

116 AQUATIC PRIMARY PRODUCTION retention time of over 600 years the increase in fertility will be cumulative. Castle Lake, locat ...

AQUATIC PRIMARY PRODUCTION 117 Guerrero, R. D. (1983), Talapia farming the Philipines; Practices, problems and prospects. Presen ...

118 ATMOSPHERIC CHEMISTRY INTRODUCTION Atmospheric chemistry is a broadly based area of scientific endeavor. It is directed at d ...

ATMOSPHERIC CHEMISTRY 119 One of the principal goals of air-pollution research is to obtain and use our detailed knowledge of em ...

120 ATMOSPHERIC CHEMISTRY Hence, there is considerable room for continued research. Atmospheric chemistry is involved in several ...

ATMOSPHERIC CHEMISTRY 121 TABLE 3 Recommended ambient air-quality limits for selected gases throughout the world. Country CO (pp ...

122 ATMOSPHERIC CHEMISTRY URBAN PHOTOCHEMICAL OXIDANTS The photochemical-oxidant problems exist in a number of urban areas, but ...

ATMOSPHERIC CHEMISTRY 123 20 15 10 5 0 50 100 150 Time (min) O atom rate O 3 rate Experimentally determined rate Propene loss ra ...

124 ATMOSPHERIC CHEMISTRY in the free troposphere. Talukdar^ et al. (1995) have found that photolysis of PAN can compete with th ...

ATMOSPHERIC CHEMISTRY 125 sources for OH and HO 2 radicals depends on the concentra- tions of the different species present, the ...

126 ATMOSPHERIC CHEMISTRY This concept of changing the VOC mixture is the basis for the use of reformulated or alternative fuels ...

ATMOSPHERIC CHEMISTRY 127 the NOx -limited region, there is inadequate NO x present to be oxidized by all of the peroxy radicals ...

128 ATMOSPHERIC CHEMISTRY have shown significant SOA formation from the irradiation of simulated auto exhaust. Griffin et al. (1 ...

CHEMISTRY OF ATMOSPHERIC ACID FORMATION Acid deposition has long been recognized to be a serious problem in Scandinavian countri ...

130 ATMOSPHERIC CHEMISTRY Calvert and Stockwell (1983) have shown that the gas- phase oxidation of sulfur dioxide is primarily b ...

ATMOSPHERIC CHEMISTRY 131 catalyzed SO 2 oxidation paths as a function of pH. In the case of the H 2 O 2 - catalyzed oxidation o ...

132 ATMOSPHERIC CHEMISTRY Stratospheric Ozone Balance In the stratosphere, there is sufficient high-energy ultraviolet radiation ...

ATMOSPHERIC CHEMISTRY 133 to freeze consumption of CFCs at 1986 levels, effective in September 1988, and requirements to reduce ...

134 ATMOSPHERIC CHEMISTRY FIGURE 10 Rendering of the containment provided by the circumpolar jet that isolates the region of hig ...

ATMOSPHERIC CHEMISTRY 135 with ozone to form ClO. This ClO may react with itself to form the dimer, (ClO) 2 : ClO  ClO  M → (C ...