气候变化领域集成服务门户(CCPortal): On the best locations for ground-based polar stratospheric cloud (PSC) observations

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DOI	10.5194/acp-21-505-2021
	On the best locations for ground-based polar stratospheric cloud (PSC) observations
	Tesche M.; Achtert P.; Pitts M.C.
发表日期	2021
ISSN	1680-7316
起始页码	505
结束页码	516
卷号	21 期号:1
英文摘要	Spaceborne observations of polar stratospheric clouds (PSCs) with the Cloud-Aerosol LIdar with Orthogonal Polarization (CALIOP) aboard the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) satellite provide a comprehensive picture of the occurrence of Arctic and Antarctic PSCs as well as their microphysical properties. However, advances in understanding PSC microphysics also require measurements with ground-based instruments, which are often superior to CALIOP in terms of, for example, time resolution, measured parameters, and signal-to-noise ratio. This advantage is balanced by the location of ground-based PSC observations and their dependence on tropospheric cloudiness. CALIPSO observations during the boreal winters from December 2006 to February 2018 and the austral winters 2012 and 2015 are used to assess the effect of tropospheric cloudiness and other measurement-inhibiting factors on the representativeness of ground-based PSC observations with lidar in the Arctic and Antarctic, respectively. Information on tropospheric and stratospheric clouds from the CALIPSO Cloud Profile product (05kmCPro version 4.10) and the CALIPSO polar stratospheric cloud mask version 2, respectively, is combined on a profile-by-profile basis to identify conditions under which a ground-based lidar is likely to perform useful measurements for the analysis of PSC occurrence. It is found that the location of a ground-based measurement together with the related tropospheric cloudiness can have a profound impact on the derived PSC statistics and that these findings are rarely in agreement with polewide results from CALIOP observations. Considering the current polar research infrastructure, it is concluded that the most suitable sites for the expansion of capabilities for ground-based lidar observations of PSCs are Summit and Villum in the Arctic and Mawson, Troll, and Vostok in the Antarctic. © Author(s) 2021. This work is distributed under the Creative Commons Attribution 4.0 License.
语种	英语
scopus关键词	CALIOP; CALIPSO; cloud cover; cloud microphysics; ground-based measurement; polar stratospheric cloud; signal-to-noise ratio; Antarctica; Arctic
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/247229
作者单位	Leipzig Institute for Meteorology (LIM), Leipzig University, Stephanstrasse 3, Leipzig, 04103, Germany; Meteorological Observatory Hohenpeißenberg, German Weather Service (DWD), Germany; Nasa Langley Research Center, Hampton, VA 23681, United States
推荐引用方式 GB/T 7714	Tesche M.,Achtert P.,Pitts M.C.. On the best locations for ground-based polar stratospheric cloud (PSC) observations[J],2021,21(1).
APA	Tesche M.,Achtert P.,&Pitts M.C..(2021).On the best locations for ground-based polar stratospheric cloud (PSC) observations.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(1).
MLA	Tesche M.,et al."On the best locations for ground-based polar stratospheric cloud (PSC) observations".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.1(2021).