Hauptseite > Publikationsdatenbank > Observations of a distinctive infra-red spectral feature in the atmospheric spectra of polar stratospheric clouds measured by the CRISTA instrument > print

001     32642
005     20240712100917.0
024 7 _ |a 10.1029/2003GL017231
|2 DOI
024 7 _ |a WOS:000185250700002
|2 WOS
024 7 _ |a 2128/20825
|2 Handle
037 _ _ |a PreJuSER-32642
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Geosciences, Multidisciplinary
100 1 _ |a Spang, R.
|b 0
|u FZJ
|0 P:(DE-Juel1)VDB1549
245 _ _ |a Observations of a distinctive infra-red spectral feature in the atmospheric spectra of polar stratospheric clouds measured by the CRISTA instrument
260 _ _ |a Washington, DC
|b American Geophysical Union
|c 2003
300 _ _ |a 1875
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/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
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |a Geophysical Research Letters
|x 0094-8276
|0 2249
|y 16
|v 30
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a [1] Polar stratospheric cloud particles (PSCs) are known to strongly influence the infra-red emission spectrum of the lower stratosphere in cold polar winters. The characteristics of these infra-red features have been examined using limb sounding spectra recorded by the CRISTA experiment in August 1997 when many Antarctic PSCs were observed. A distinctive spectral feature centered at 820 cm(-1) has been identified in many of these spectra, the first time that a particular band has been observed in the spectra of PSCs in the atmosphere. The feature can be attributed to the nu(2) band of the NO3- ion and strongly suggests a condensed nitric acid component to the particles in the form of solid nitric acid trihydrate (NAT) or liquid ternary solution (STS). The spectral signatures belong to a definite sub-set of the PSC observations recorded by CRISTA. The particles are observed at temperatures well above 192 K, allowing for temperature errors, and it is suggested that NAT particles are the most likely source of the spectral signature. In addition, it is shown that PSC events in which no spectral signature is present are only observed below 192 K and display a very similar HNO3- temperature relationship to STS particles.
536 _ _ |a Chemie und Dynamik der Geo-Biosphäre
|c U01
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588 _ _ |a Dataset connected to Web of Science
650 _ 7 |a J
|2 WoSType
700 1 _ |a Remedios, J. J.
|b 1
|0 P:(DE-HGF)0
773 _ _ |a 10.1029/2003GL017231
|g Vol. 30, p. 1875
|p 1875
|q 30<1875
|0 PERI:(DE-600)2021599-X
|t Geophysical research letters
|v 30
|y 2003
|x 0094-8276
856 7 _ |u http://dx.doi.org/10.1029/2003GL017231
856 4 _ |u https://juser.fz-juelich.de/record/32642/files/2003GL017231.pdf
|y OpenAccess
856 4 _ |u https://juser.fz-juelich.de/record/32642/files/2003GL017231.pdf?subformat=pdfa
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909 C O |o oai:juser.fz-juelich.de:32642
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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)
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914 1 _ |y 2003
915 _ _ |a OpenAccess
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915 _ _ |a JCR/ISI refereed
|0 StatID:(DE-HGF)0010
920 1 _ |k ICG-I
|l Stratosphäre
|d 31.12.2006
|g ICG
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981 _ _ |a I:(DE-Juel1)IEK-7-20101013

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