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024 7 _ |2 DOI
|a 10.1007/s10874-006-9049-3
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|a WOS:000244187300005
037 _ _ |a PreJuSER-49896
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Environmental Sciences
084 _ _ |2 WoS
|a Meteorology & Atmospheric Sciences
100 1 _ |a Schlosser, E.
|b 0
|u FZJ
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245 _ _ |a Intercomparison of Two Hydroxyl Radical Measurement Techniques at the Atmosphere Simulation Chamber SAPHIR
260 _ _ |a Dordrecht [u.a.]
|b Springer Science + Business Media B.V
|c 2007
300 _ _ |a 187 - 205
336 7 _ |a Journal Article
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440 _ 0 |a Journal of Atmospheric Chemistry
|x 0167-7764
|0 3073
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|v 56
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a At the atmosphere simulation chamber SAPHIR in Julich both Laser-Induced Fluorescence Spectroscopy (LIF) and Long-Path Differential Optical Laser Absorption Spectroscopy (DOAS) are operational for the detection of OH radicals at tropospheric levels. The two different spectroscopic techniques were compared within the controlled environment of SAPHIR based on all simultaneous measurements acquired in 2003 ( 13 days). Hydroxyl radicals were scavenged by added CO during four of these days in order to experimentally check the calculated precisions at the detection limit. LIF measurements have a higher precision (sigma = 0.88 x 10(6) cm(-3)) and better time resolution (Delta t = 60 s), but the DOAS method (sigma = 1.24 x 10(6) cm(-3), Delta t = 135 s) is regarded as primary standard for comparisons because of its good accuracy. A high correlation coefficient of r = 0.95 was found for the whole data set highlighting the advantage of using a simulation chamber. The data set consists of two groups. The first one includes 3 days, where the LIF measurements yield ( 1 2) x 10(6) cm(-3) higher OH concentrations than observed by the DOAS instrument. The experimental conditions during these days are characterized by increased NOx concentration and a small dynamic range in OH. Excellent agreement is found within the other group of 6 days. The regression to the combined data of this large group yields unity slope without a significant offset.
536 _ _ |a Atmosphäre und Klima
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653 2 0 |2 Author
|a atmosphere simulation chamber
653 2 0 |2 Author
|a hydroxyl radical
653 2 0 |2 Author
|a instrument intercomparison
700 1 _ |a Bohn, B.
|b 1
|u FZJ
|0 P:(DE-Juel1)2693
700 1 _ |a Brauers, T.
|b 2
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700 1 _ |a Dorn, H. P.
|b 3
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|0 P:(DE-Juel1)16317
700 1 _ |a Fuchs, H.
|b 4
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|0 P:(DE-Juel1)7363
700 1 _ |a Häseler, R.
|b 5
|u FZJ
|0 P:(DE-Juel1)5628
700 1 _ |a Hofzumahaus, A.
|b 6
|u FZJ
|0 P:(DE-Juel1)16326
700 1 _ |a Holland, F.
|b 7
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|0 P:(DE-Juel1)16342
700 1 _ |a Rohrer, F.
|b 8
|u FZJ
|0 P:(DE-Juel1)16347
700 1 _ |a Rupp, L.
|b 9
|u FZJ
|0 P:(DE-Juel1)VDB14753
700 1 _ |a Siese, M.
|b 10
|u FZJ
|0 P:(DE-Juel1)VDB1526
700 1 _ |a Tillmann, R.
|b 11
|u FZJ
|0 P:(DE-Juel1)5344
700 1 _ |a Wahner, A.
|b 12
|u FZJ
|0 P:(DE-Juel1)16324
773 _ _ |a 10.1007/s10874-006-9049-3
|g Vol. 56, p. 187 - 205
|p 187 - 205
|q 56<187 - 205
|0 PERI:(DE-600)1475524-5
|t Journal of atmospheric chemistry
|v 56
|y 2007
|x 0167-7764
856 7 _ |u http://dx.doi.org/10.1007/s10874-006-9049-3
909 C O |o oai:juser.fz-juelich.de:49896
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