Actinometric measurements and theoretical calculations of j(O3)the rate of photolysis of ozone to O(¹D)


Journal Article

A new experimental technique measures j(O3‐O(¹D))the rate of solar photolysis of ozone to singlet oxygen atoms: O3 + hν → O2 + O(¹D). A flow actinometer carries dilute O3 in N2O into direct sunlight where the O(¹D) formed reacts with N2O to form NO which chemiluminescence detectswith a time resolution on the order of one minute. Measurements indicate a photolysis rate of 1.2 (± .2) × 10−5 s−1 for a cloudless sky45° zenith angle0.345 cm ozone column and zero albedo. Ground level results (elevation 1.8 km) compare with theoretical calculations based on the UV actinic flux as a function of ozone column and solar zenith angle. Copyright 1979 by the American Geophysical Union.

Full Text

Duke Authors

Cited Authors

  • Dickerson, RR; Stedman, DH; Chameides, WL; Crutzen, PJ; Fishman, J

Published Date

  • January 1, 1979

Published In

Volume / Issue

  • 6 / 11

Start / End Page

  • 833 - 836

Electronic International Standard Serial Number (EISSN)

  • 1944-8007

International Standard Serial Number (ISSN)

  • 0094-8276

Digital Object Identifier (DOI)

  • 10.1029/GL006i011p00833

Citation Source

  • Scopus