Climatology of aerosol radiative properties in the free troposphere

NCU Institutional Repository > 地球科學學院 > 大氣物理研究所 > 期刊論文 > Item 987654321/50352

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/50352

题名:	Climatology of aerosol radiative properties in the free troposphere
作者:	Andrew,E;Ogren,JA;Bonasoni,P;Marinoni,A;Cuevas,E;Rodriguez,S;Sun,JY;Jaffe,DA;Fischer,EV;Baltensperger,U;Weingartner,E;Coen,MC;Sharma,S;Macdonald,AM;Leaitch,WR;Lin,NH;Laj,P;Arsov,T;Kalapov,I;Jefferson,A;Sheridan,P
贡献者:	大氣物理研究所
关键词:	LONG-RANGE TRANSPORT;HIGH-ALPINE SITE;SUBTROPICAL NORTHEAST ATLANTIC;FILTER-BASED MEASUREMENTS;VISIBLE-LIGHT ABSORPTION;SINGLE SCATTERING ALBEDO;SOUTHERN GREAT-PLAINS;5079 M A.S.L.;OPTICAL-PROPERTIES;SIZE DISTRIBUTION
日期:	2011
上传时间:	2012-03-27 17:29:57 (UTC+8)
出版者:	國立中央大學
摘要:	High altitude mountaintop observatories provide the opportunity to study aerosol properties in the free troposphere without the added expense and difficulty of making airborne measurements. Climatologies for free tropospheric aerosol radiative properties in cloud-free air, including light scattering, light absorption, light extinction, single scattering albedo, Angstrom exponent, hemispheric backscatter fraction and radiative forcing efficiency, from twelve high altitude (2.2-5.1 km) measurement platforms are presented at low relative humidity and at standard temperature and pressure. These climatologies utilize data from ten mountaintop observatories in the 20-50 degrees N latitude band: Mauna Loa, USA; Lulin Mountain, Taiwan: Nepal Climate Observatory Pyramid; Izana, Spain; Mount Waliguan, China; Beo Moussala, Bulgaria; Mount Bachelor, USA: Monte Cimone, Italy; Jungfraujoch, Switzerland; Whistler Mountain, Canada. Results are also included from two multi-year, in-situ aerosol vertical profiling programs: Southern Great Plains, USA and Bondville, USA. The amount of light absorption and scattering observed at these high altitude sites either peaks in the spring or it has a broad spring to summer enhancement. The seasonal variation of the aerosol single scattering albedo, backscatter fraction and Angstrom exponent changes from site to site but the timing can be related to aerosol sources and transport processes known to impact the individual sites. The seasonal variation of in-situ aerosol light extinction from these high altitude measurements is in excellent agreement with extinction values derived from CALIPSO lidar measurements. Analysis of the systematic variability among in-situ aerosol properties shows that these relationships can be used to infer aerosol types. In particular, the relationship between single scattering albedo and Angstrom exponent can indicate the presence of dust aerosol. Radiative forcing efficiency (RFE = aerosol forcing/aerosol optical depth) is used to
關聯:	ATMOSPHERIC RESEARCH
显示于类别:	[大氣物理研究所 ] 期刊論文

文件中的档案:

档案	描述	大小	格式	浏览次数
index.html		0Kb	HTML	966	检视/开启

在NCUIR中所有的数据项都受到原著作权保护.

社群 sharing

数据加载中.....