نتایج جستجو برای: bio aerosol

تعداد نتایج: 88426  

2007
C. E. Corrigan G. C. Roberts M. V. Ramana V. Ramanathan

2012

First established in 1999, the Asian Aerosol Conferences (AACs) have grown rapidly in terms of international participation and the range of topics being discussed, and these now cover virtually every aspect of aerosol science and technology and air quality research. Most selected papers in this special issue were presented at the A total of 550 participants from 21 countries and representing ac...

2017
Wei Wang Zengxin Pan Feiyue Mao Wei Gong Longjiao Shen

The Visible Infrared Imaging Radiometer Suite (VIIRS) is a next-generation polar-orbiting operational environmental sensor with a capability for global aerosol observations. Identifying land aerosol types is important because aerosol types are a basic input in retrieving aerosol optical properties for VIIRS. The VIIRS algorithm can automatically select the optimal land aerosol model by minimizi...

2015
H. M. Allen

Inorganic aerosol composition was measured in the southeastern United States, a region that exhibits high aerosol mass loading during the summer, as part of the 2013 Southern Oxidant and Aerosol Study (SOAS) campaign. Measurements using a Monitor for AeRosols and GAses (MARGA) revealed two periods of high aerosol nitrate (NO3 ) concentrations during the campaign. These periods of high nitrate w...

2013
ZHANG Yuhuan LI Zhengqiang LI Donghui

The Chinese environmental satellites HJ1 A and B can play a significant role in the aerosol retrieval due to their high spatial and temporal resolution. The current Aerosol Optical Depth (AOD) retrieval methods from HJ1-CCD are almost based on the LUT (Look-Up Table), by selecting the best fitting result to determine the AOD. However, aerosol model selection has an important impact on the retri...

2012
David M. Giles Anne M. Thompson Rachel T. Pinker

Title of Dissertation: A STUDY OF REMOTELY SENSED AEROSOL PROPERTIES FROM GROUNDBASED SUN AND SKY SCANNING RADIOMETERS David M. Giles, Doctor of Philosophy, 2012 Directed By: Professor Russell R. Dickerson and Professor Anne M. Thompson, Department of Atmospheric and Oceanic Science Aerosol particles impact human health by degrading air quality and affect climate by heating or cooling the atmos...

Journal: :فیزیک زمین و فضا 0
مسعود خوش سیما پژوهشکدۀ سامانه های ماهواره ای، پژوهشگاه فضایی ایران سیده سمانه ثابت قدم گروه فیزیک فضا، مؤسسۀ ژئوفیزیک دانشگاه تهران عباسعلی علی اکبری بیدختی گروه فیزیک فضا، موسسه ژئوفیزیک دانشگاه تهران

suspended aerosols in the atmosphere have strong impact on the global climate. they influence the earth’s radiation budget by scattering or absorbing both incoming and outgoing radiation. aerosols in troposphere are caused by natural sources, such as dust, sea-spray and volcanoes and also by anthropogenic sources, such as combustion of fossil fuels and biomass burning activities and from gas-to...

2015
Y. H. Lee P. J. Adams D. T. Shindell

The TwO-Moment Aerosol Sectional (TOMAS) microphysics model has been integrated into the state-ofthe-art general circulation model, GISS ModelE2. This paper provides a detailed description of the ModelE2-TOMAS model and evaluates the model against various observations including aerosol precursor gas concentrations, aerosol mass and number concentrations, and aerosol optical depths. Additionally...

Journal: :international journal of environmental research 2009
p. chiou w. tang c.j. lin h.w. chu

speciated samples of pm2.5 were collected at the hamshire and orange sites in golden triangle of texas by us epa (environmental protection agency) from july of 2003 to august of 2005. a total of 269 samples for the hamshire site and 293 samples for the orange site with 52 species were measured; however, 22 species were excluded because of too many below-detectionlimit data. among the 22 species...

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