001     38202
005     20240712100900.0
024 7 _ |a 10.1029/2003JD004365
|2 DOI
024 7 _ |a WOS:000221611200002
|2 WOS
024 7 _ |a 0022-1406
|2 ISSN
024 7 _ |a 0148-0227
|2 ISSN
024 7 _ |a 2128/20572
|2 Handle
037 _ _ |a PreJuSER-38202
041 _ _ |a eng
082 _ _ |a 550
082 _ _ |a 550
084 _ _ |2 WoS
|a Meteorology & Atmospheric Sciences
100 1 _ |a Khosrawi, F.
|0 P:(DE-Juel1)VDB744
|b 0
|u FZJ
245 _ _ |a Monthly averaged ozone and nitrous oxide from the Improved Limb Atmospheric Spectrometer (ILAS) in the Northern and Southern Hemisphere polar regions
260 _ _ |a Washington, DC
|b Union
|c 2004
|a Washington, DC
|b Union
300 _ _ |a D10301
336 7 _ |a Journal Article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
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440 _ 0 |a Journal of Geophysical Research
|x 0022-1406
|0 3369
|v 109
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Northern and southern hemispheric averaged ozone (O-3) and nitrous oxide (N2O) measured by the Improved Limb Atmospheric Spectrometer (ILAS) were used to examine photochemical and dynamical changes in high-latitude O-3 distributions. Using correlations of O-3 versus N2O, the ILAS data are organized monthly in both hemispheres by partitioning these data into equal bins of altitude or potential temperature. The resulting families of curves help to differentiate O-3 changes due to photochemistry from those due to transport. Our study extends the work of Proffitt et al. [2003] for the Northern Hemisphere to the Southern Hemisphere. Further, our study confirms and extends their results for the Northern Hemisphere by applying their analysis to a significantly greater altitude range. As in the Northern Hemisphere, the families of curves for the altitude, and potential temperature bins in the Southern Hemisphere are separated and generally do not cross. In both hemispheres a better separation is found for the potential temperature binning. In the Southern Hemisphere November and December data, preserved photochemical O-3 loss is evident in the lower stratosphere. Further, summer ozone loss is evident in the Southern Hemisphere from January to March. In the Arctic, ongoing photochemical O-3 loss is evident in the Northern Hemisphere spring data. While at higher altitudes the correlation between N2O and O-3 is generally positive ( increasing N2O with increasing O-3), at lower levels the correlation is negative. This change of correlation from positive to negative can be interpreted in terms of photochemical and dynamical processes. Strong descent causes a steepening of the positively correlated curves, while the curves change their slope from positive to negative if photochemical destruction of O-3 is present and descent is weak. The level of slope change is also photochemically influenced and therefore changes with season. Data sets such as the one derived here may be useful for testing atmospheric models and for identifying future changes in stratospheric ozone.
536 _ _ |a Chemie und Dynamik der Geo-Biosphäre
|c U01
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|0 G:(DE-Juel1)FUEK257
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
653 2 0 |2 Author
|a stratospheric ozone
653 2 0 |2 Author
|a ozone-tracer correlations
653 2 0 |2 Author
|a ILAS
700 1 _ |a Müller, R.
|0 P:(DE-Juel1)129138
|b 1
|u FZJ
700 1 _ |a Proffitt, M. H.
|0 P:(DE-HGF)0
|b 2
700 1 _ |a Nakajima, H.
|0 P:(DE-HGF)0
|b 3
773 _ _ |0 PERI:(DE-600)2016800-7
|a 10.1029/2003JD004365
|g Vol. 109, p. D10301
|p D10301
|q 109|t Journal of geophysical research / Atmospheres
|v 109
|x 0022-1406
|y 2004
856 7 _ |u http://dx.doi.org/10.1029/2003JD004365
856 4 _ |u https://juser.fz-juelich.de/record/38202/files/2003JD004365.pdf
|y OpenAccess
856 4 _ |u https://juser.fz-juelich.de/record/38202/files/2003JD004365.pdf?subformat=pdfa
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|y OpenAccess
909 C O |o oai:juser.fz-juelich.de:38202
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913 1 _ |k U01
|v Chemie und Dynamik der Geo-Biosphäre
|l Chemie und Dynamik der Geo-Biosphäre
|b Environment (Umwelt)
|0 G:(DE-Juel1)FUEK257
|x 0
914 1 _ |y 2004
915 _ _ |a OpenAccess
|0 StatID:(DE-HGF)0510
|2 StatID
915 _ _ |a JCR/ISI refereed
|0 StatID:(DE-HGF)0010
920 1 _ |k ICG-I
|l Stratosphäre
|d 31.12.2006
|g ICG
|0 I:(DE-Juel1)VDB47
|x 0
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981 _ _ |a I:(DE-Juel1)IEK-7-20101013


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