By Julian Heicklen (Auth.)
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1-18. Absorption cross section of the 0 2 continuum from 1800 to 2400 A. Data: # , Wilkinson and Milliken (1957); X, Ditchburn and Young (1962); A, Hudson, Carter, and Stein [from Hudson and Carter (1968)]; + , Shardanand (1969); O, Ogawa (1971). Positions of the calculated band origins of the Schumann-Runge absorption bands from v" = 0 and 1 are also indicated by vertical lines. From Ogawa (1971), with permission of the American Institute of Physics. O3 Absorption The radiation between 2200 and 3200 A is absorbed by 0 3 (which has its peak concentration at 25 km) as shown in Fig.
From Ackerman (1971) with permission of Reidel Publ. Co. , every absorption results in reaction (7a) for wavelengths <3100 Â ] . At higher wavelengths, the quantum efficiency for 0( X D) drops, becoming zero at 3340 Â (Jones and Wayne, 1970; Castellano and Schumacher, 1972). At 3130 Â the 0( 1 D) yield depends on the temperature, it being ~ 0 . 28 at 293°K (Kuis et al, 1974). This temperature dependence can be correlated with the rotational energy in the 0 3 molecule. Even though the quantum efficiency of 0 (*D) production drops to zero at 3340 A, electronically excited 0 2 is produced, and at 3340 A its quantum efficiency of production is one or close to it.
Purcell, J. , and Watanabe, K. (1952). / . Geophys. Res. " Jones, I. T. , and Wayne, R. P. (1970). Proc. Roy. Soc. A319, 273, "The Photolysis of Ozone by Ultraviolet Radiation. IV. " Kaiser, T. R. (1953). Phil. Mag. Suppl. " 48 I. STRUCTURE OF THE ATMOSPHERE Kaiser, T. R. (1955). J. Atmos. Terrest. Phys. Suppl. " Kockarts, G. (1971). In "Mesospheric Models and Related Experiments" (G. ), p. 160. , Kasprzak, W. , and Nier, A. O. (1968). J. Geophys. Res. , and Heicklen, J. (1974). J. Geophys. Res.
Atmospheric Chemistry by Julian Heicklen (Auth.)