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024 7 _ |a 10.1029/2010GL044056
|2 DOI
024 7 _ |a WOS:000281138100001
|2 WOS
024 7 _ |a 2128/20846
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037 _ _ |a PreJuSER-12593
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Geosciences, Multidisciplinary
100 1 _ |a Pommrich, R.
|0 P:(DE-Juel1)VDB86534
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|u FZJ
245 _ _ |a What causes the irregular cycle of the atmospheric tape recorder signal in HCN?
260 _ _ |a Washington, DC
|b American Geophysical Union
|c 2010
300 _ _ |a L16805
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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440 _ 0 |a Geophysical Research Letters
|x 0094-8276
|0 2249
|v 37
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Variations in the mixing ratio of long-lived trace gases entering the stratosphere in the tropics are carried upward with the rising air with the signal being observable throughout the tropical lower stratosphere. This phenomenon, referred to as "atmospheric tape recorder" has previously been observed for water vapor, CO2, and CO which exhibit an annual cycle. Recently, based on Microwave Limb Sounder (MLS) and the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) satellite measurements, the tape recorder signal has been observed for hydrogen cyanide (HCN) but with an approximately two-year period. Here we report on a model simulation of the HCN tape recorder for the time period 2002-2008 using the Chemical Lagrangian Model of the Stratosphere (CLaMS). The model can reproduce the observed pattern of the HCN tape recorder signal if time-resolved emissions from fires in Indonesia are used as lower boundary condition. This finding indicates that inter-annual variations in biomass burning in Indonesia, which are strongly influenced by El Nino events, control the HCN tape recorder signal. A longer time series of tropical HCN data will probably exhibit an irregular cycle rather than a regular biannual cycle. Citation: Pommrich, R., R. Muller, J.-U. Grooss, G. Gunther, P. Konopka, M. Riese, A. Heil, M. Schultz, H.-C. Pumphrey, and K. A. Walker (2010), What causes the irregular cycle of the atmospheric tape recorder signal in HCN?, Geophys. Res. Lett., 37, L16805, doi:10.1029/2010GL044056.
536 _ _ |a Atmosphäre und Klima
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700 1 _ |a Müller, R.
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700 1 _ |a Grooß, J.-U.
|0 P:(DE-Juel1)129122
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700 1 _ |a Günther, G.
|0 P:(DE-Juel1)129123
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700 1 _ |a Konopka, P.
|0 P:(DE-Juel1)129130
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700 1 _ |a Riese, M.
|0 P:(DE-Juel1)129145
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700 1 _ |a Heil, A.
|0 P:(DE-Juel1)7292
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700 1 _ |a Schultz, M.
|0 P:(DE-Juel1)6952
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700 1 _ |a Pumphrey, H.-C.
|0 P:(DE-HGF)0
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700 1 _ |a Walker, K.A.
|0 P:(DE-HGF)0
|b 9
773 _ _ |a 10.1029/2010GL044056
|g Vol. 37, p. L16805
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|t Geophysical research letters
|v 37
|y 2010
|x 0094-8276
856 7 _ |u http://dx.doi.org/10.1029/2010GL044056
856 4 _ |u https://juser.fz-juelich.de/record/12593/files/PDF_Pommrich.et.al2010.pdf
|y OpenAccess
856 4 _ |u https://juser.fz-juelich.de/record/12593/files/PDF_Pommrich.et.al2010.pdf?subformat=pdfa
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