气候变化领域集成服务门户(CCPortal): Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N

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DOI	10.5194/acp-21-989-2021
	Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N
	Schneider J.; Weigel R.; Klimach T.; Dragoneas A.; Appel O.; Hünig A.; Molleker S.; Köllner F.; Clemen H.-C.; Eppers O.; Hoppe P.; Hoor P.; Mahnke C.; Krämer M.; Rolf C.; Grooß J.-U.; Zahn A.; Obersteiner F.; Ravegnani F.; Ulanovsky A.; Schlager H.; Scheibe M.; Diskin G.S.; Digangi J.P.; Nowak J.B.; Zöger M.; Borrmann S.
发表日期	2021
ISSN	1680-7316
起始页码	989
结束页码	1013
卷号	21 期号:2
英文摘要	We analyse aerosol particle composition measurements from five research missions between 2014 and 2018 to assess the meridional extent of particles containing meteoric material in the upper troposphere and lower stratosphere (UTLS). Measurements from the Jungfraujoch mountaintop site and a low-altitude aircraft mission show that meteoric material is also present within middle- and lower-tropospheric aerosol but within only a very small proportion of particles. For both the UTLS campaigns and the lower- and mid-troposphere observations, the measurements were conducted with single-particle laser ablation mass spectrometers with bipolar-ion detection, which enabled us to measure the chemical composition of particles in a diameter range of approximately 150 nm to 3 μm. The five UTLS aircraft missions cover a latitude range from 15 to 68 40 %) abundance fractions for particles from 300-350 up to 900 nm in diameter, suggesting sedimentation is the primary loss mechanism. In the tropical lower stratosphere, only a small fraction (< 10 %) of the analysed particles contained meteoric material. In contrast, in the extratropics the observed fraction of meteoric particles reached 20 %-40 % directly above the tropopause. At potential temperature levels of more than 40 K above the thermal tropopause, particles containing meteoric material were observed in much higher relative abundances than near the tropopause, and, at these altitudes, they occurred at a similar abundance fraction across all latitudes and seasons measured. Above 440 K, the observed fraction of meteoric particles is above 60 % at latitudes between 20 and 42
语种	英语
来源期刊	Atmospheric Chemistry and Physics
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/168812
作者单位	Particle Chemistry Department, Max Planck Institute for Chemistry, Mainz, 55128, Germany; Institute for Atmospheric Physics, Johannes Gutenberg University Mainz, Mainz, 55128, Germany; Institute of Energy and Climate Research, Forschungszentrum Jülich, Jülich, 52425, Germany; Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, 76344, Germany; Institute of Atmospheric Sciences and Climate, ISAC-CNR, Bologna, 40129, Italy; Central Aerological Observatory, Dolgoprudny, Moscow region, 141700, Russian Federation; Institute of Atmospheric Physics, German Aerospace Center (DLR) Oberpfaffenhofen, Wessling, 82234, Germany; NASA Langley Research Center, MS 483, Hampton, VA 23681, United States; Flight Experiments, German Aerospace Center (DLR) Oberpfaffenhofen, Wessling, 82234, Germany
推荐引用方式 GB/T 7714	Schneider J.,Weigel R.,Klimach T.,et al. Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N[J],2021,21(2).
APA	Schneider J..,Weigel R..,Klimach T..,Dragoneas A..,Appel O..,...&Borrmann S..(2021).Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N.Atmospheric Chemistry and Physics,21(2).
MLA	Schneider J.,et al."Aircraft-based observation of meteoric material in lower-stratospheric aerosol particles between 15 and 68° N".Atmospheric Chemistry and Physics 21.2(2021).