Ground-Based Mie-Scattering Lider Measurements of Aerosol Extinction Profiles during ABC-EAREX 2005 : Comparisons of Instruments and Inversion Algorithms

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概要

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• An intercomparison study of ground-based Mie-scattering lidar systems was held at Gosan, Korea during ABC-EAREX 2005 in order to ensure the correctness and accuracy of the lidar retrieval algorithms as well as the aerosol extinction profiles. We compared the vertical profiles of the range-corrected raw lidar signals as well as the aerosol extinction coefficients determined from different types of Mie-scattering lidar systems. Three different aerosol loading cases were selected; in these cases, the mean deviations of the range-corrected raw lidar signals were estimated to be 4.5%, 8.0%, and 7.3%. An intercomparison of the instruments by an identical data-handling procedure (Fernald approach) demonstrated that the aerosol extinction profiles for the three selected cases were in agreement within a bias difference of 0.0051 km^<-1>. The mean deviation of the signals for the aerosol layer between 0.6 and 3.0 km was 3.0%. The systems were intercompared for two lidar inversion algorithms by using simultaneous lidar measurement data sets as input; these input data sets showed agreement with their aerosol extinction profiles within a bias difference of 0.0086 km^<-1> and a mean deviation of 11.6%.

• 社団法人日本気象学会の論文
• 2008-04-25

著者

• YOON Soon-Chang

  School of Earth and Environmental Sciences, Seoul National University

• KIM Sang-Woo

  School of Earth and Environmental Sciences, Seoul National University

• Kim Sang-woo

  School Of Earth And Environmental Sciences Seoul National University

• Yoon Soon-chang

  School Of Earth And Environmental Sciences Seoul National University

• Sugimoto Nobuo

  Atmospheric Environment Division National Institute For Environmental Studies

• KIM Man-Hae

  School of Earth and Environmental Sciences, Seoul National University

• SHIMIZU Atsushi

  Asian Environment Research Group, National Institute for Environmental Studies

• Kim Man-hae

  School Of Earth And Environmental Sciences Seoul National University

• Shimizu Atsushi

  Asian Environment Research Group National Institute For Environmental Studies

• Kim Sang-Woo

  School of Advanced Materials and System Engineering, Kumoh National Institute of Technology, Gumi, Gyeongbuk 730-701, Korea

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