DOI: 10.1002/2013GL058626
论文题名: The UV and visible spectra of chlorine peroxide: Constraining the atmospheric photolysis rate
作者: Young I.A.K. ; Jones R.L. ; Pope F.D.
刊名: Geophysical Research Letters
ISSN: 0094-10296
EISSN: 1944-10027
出版年: 2014
卷: 41, 期: 5 起始页码: 1781
结束页码: 1788
语种: 英语
英文关键词: chlorine peroxide
; ClOOCl
; ozone hole
; Photolysis
; stratospheric ozone
Scopus关键词: Chlorine
; Laboratories
; Oxidation
; Ozone layer
; Peroxides
; Ultraviolet spectroscopy
; Uncertainty analysis
; Absorption cross sections
; Chlorine peroxide
; ClOOCl
; Laboratory techniques
; Ozone hole
; Precise measurements
; Stratospheric ozone
; Stratospheric ozone depletion
; Photolysis
; atmospheric chemistry
; chlorine
; ozone
; ozone depletion
; photolysis
; stratosphere
; ultraviolet radiation
; visible spectrum
英文摘要: The photolysis of chlorine peroxide (ClOOCl) is a key chemical step in the depletion of polar stratospheric ozone. As such, precise measurements of the absorption cross sections for ClOOCl are required. In this paper we provide two critical pieces of laboratory data with which to constrain the rate of ozone depletion. First, we provide an optically pure ClOOCl spectrum in the photolytically important UV wavelength region (200-350 nm). Second, we provide the first ever measurement of the ClOOCl spectrum in the visible region (509-536 nm) conclusively demonstrating the photolysis of ClOOCl to be negligible in this spectral region. The visible measurement is important because it can be used to anchor other previously recorded UV spectra and hence reduce the uncertainty in the ClOOCl photolysis rate. The calculated photolysis rate from this study indicates that the current models of stratospheric ozone depletion are correct. Key Points Powerful new laboratory technique for resolving weak and overlapping spectra First measurement of the combined UV and visible spectra of ClOOCl Determination of the ClOOCl photolysis rate ©2014. The Authors. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84895134496&doi=10.1002%2f2013GL058626&partnerID=40&md5=aebd2a34ce323333b93945de4ed29c56
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7560
Appears in Collections: 气候减缓与适应
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作者单位: Centre for Atmospheric Science, Department of Chemistry, University of Cambridge, Cambridge, United Kingdom
Recommended Citation:
Young I.A.K.,Jones R.L.,Pope F.D.. The UV and visible spectra of chlorine peroxide: Constraining the atmospheric photolysis rate[J]. Geophysical Research Letters,2014-01-01,41(5).