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Photodissociation of methyl chloride and methyl bromide in the atmosphereMethyl chloride (CH3Cl) and methyl bromide (CH3Br) have been suggested to be significant sources of the stratospheric halogens. The breakup of these compounds in the stratosphere by photodissociation or reaction with OH releases halogen atoms which catalytically destroy ozone. Experimental results are presented for ultraviolet photoabsorption cross sections of CH3Cl and CH3Br. Calculations are presented of loss rates for the methyl halides due to photodissociation and reaction with OH and of mixing ratios of these species in the stratosphere.
Document ID
19760046051
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Robbins, D. E.
(NASA Johnson Space Center Houston, Tex., United States)
Date Acquired
August 8, 2013
Publication Date
April 1, 1976
Publication Information
Publication: Geophysical Research Letters
Volume: 3
Subject Category
Environment Pollution
Accession Number
76A29017
Distribution Limits
Public
Copyright
Other

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