Comparison of Aerosol Optical Properties over the Semi-arid Region of Loess Plateau between Dusty and Non-dusty Periods in Winter and Spring |
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Authors: | CHEN Yong-hang BAI Hong-tao PAN Hu ZHANG Ping GONG Xin ZHANG Ruan |
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Institution: | [1]College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China [2]Key Laboratory for Semi-arid Climate Change, Ministry of Education, Lanzhou University, Lanzhou 730000, China [3]Disaster Reduction and Preparedness Center of Jiangxi Provi.ce , Nanchang 330046, China |
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Abstract: | Some field experiments of aerosols had been carried out over the arid and semi-arid regions in China over the past 30 years,but there were little learning of the semi- arid region of Loess Plateau. Using Version 2.0 Level 2.0 dataset from the AERONET (Aerosol Robotic Network) Lanzhon_city site,the aerosol optical properties during dusty and non-dusty periods in winter and sprig when air pollrtion frequently occured most frequently were demonstrated. A comparison of the same parameters between Lanzhou and Beijing for spring was also analyzed. Some new information was gained concerning aerosol optical properties over the semi-arid region of Loess Plateau. The results show that the aerosol properties measured during dusty and non-dusty periods are significantly different at Lanzhon,particularly in spring,and also different from those at Beijing. |
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Keywords: | Lanzhou _ city aerosol optical properties dusty and non-dusty |
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