Investigation of permanent aerosol source regions over Asia using multi-year MODIS observations

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题名:	Investigation of permanent aerosol source regions over Asia using multi-year MODIS observations
作者:	劉振榮;Gerelmaa, Dashnyam;Liu, Gin-Rong;Kuo, Tsung-Hua;Lin, Tang-Huang
贡献者:	太空及遙測研究中心
关键词:	aerosol source regions;aerosols;dust and pollution;EI;MODIS;multi-year aerosol variation;SCIE;Scopus;TSCI
日期:	2016-01-01
上传时间:	2026-04-21 14:37:25 (UTC+8)
出版者:	National Taiwan Ocean University;台灣: 國立臺灣海洋大學
摘要:	摘要： This work examines the permanent aerosol source regions over Asia by analyzing 7-years data of aerosol optical thick-ness (AOT) product from MODerate Imaging Spectroradi-ometer (MODIS) onboard Aqua and Terra satellites. The analysis is carried out by taking the average AOT map during the years 2002-2008 over the region in different seasons, in which the permanent source regions will appear pronounced whereas the locations influenced by transport or any emissions that last for shorter time period will be smoothened. The results show four such main permanent source regions. Ang-strom Exponent (AE) aerosol product is used to infer about the possible type and size of aerosols over the source regions. The average AOT trends over the source regions in different seasons during 2002-2008 are examined and the results are discussed based on the corresponding variations of meteoro-logical parameters derived from National Center for Envi-ronmental Prediction - National Center for Atmospheric Re-search (NCEP-NCAR) reanalysis data. In addition, the trends in AOT variation during the period 2002-2008 over certain selected stations over the area are also discussed. 出版者：台灣: 國立臺灣海洋大學出版日期： 2016-04-01 出處： Journal of Marine Science and Technology, 2016-04, Vol.24 (2), p.269-281 資源來源：華藝CEPS中文電子期刊服務識別號： ISSN: 1023-2796 識別號： DOI: 10.6119/JMST-015-0226-4
显示于类别:	[太空及遙測研究中心] 期刊論文

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