Comparison of CALIPSO and ground-based lidar profiles over Chung-Li, Taiwan

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題名:	Comparison of CALIPSO and ground-based lidar profiles over Chung-Li, Taiwan
作者:	Chiang,CW;Das,SK;Shih,YF;Liao,HS;Nee,JB
貢獻者:	物理學系
關鍵詞:	TO-BACKSCATTER RATIO;SUN-PHOTOMETER;AEROSOLS;CLOUDS;CIRRUS;121-DEGREES-E;25-DEGREES-N;TROPOPAUSE;VISIBILITY;SPACEBORNE
日期:	2011
上傳時間:	2012-06-11 10:48:11 (UTC+8)
出版者:	國立中央大學
摘要:	We report the first inter-comparison of vertical profiles of aerosols and clouds derived from space (CALIPSO) and ground based lidar over Chung-Li, Taiwan. Results show that inter-comparison is closer in case of aerosols than clouds. The strength/shortcoming of the comparison has been also discussed. An iterative calculation to retrieve extinction-to-backscatter ratio (lidar ratio) by using sun-photometer and CALIPSO data is also documented. By using the mentioned method, a mean lidar ratio of 23.5 +/- 8.2 sr was found. The derived lidar ratios are lower than former studies. The possible reasons for the difference have been discussed in this paper. The discussed methodology will be helpful to reduce the uncertainty of optical parameters derived from lidar data especially near the surface where the atmosphere is inhomogeneous. (C) 2010 Elsevier Ltd. All rights reserved.
關聯:	JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
顯示於類別:	[物理學系] 期刊論文

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