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The effects of sand dust storms on greenhouse gases

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Title: The effects of sand dust storms on greenhouse gases
Authors: Guo, Meng Browse this author
Wang, Xiufeng Browse this author →KAKEN DB
Liu, Yang Browse this author
Li, Jing Browse this author
Wang, Hongmei Browse this author
Matsuoka, Nobuhiro Browse this author
Tani, Hiroshi Browse this author →KAKEN DB
Issue Date: 13-Jun-2012
Publisher: Taylor & Francis
Journal Title: International Journal of Remote Sensing
Volume: 33
Issue: 21
Start Page: 6838
End Page: 6853
Publisher DOI: 10.1080/01431161.2012.695094
Abstract: In Asia, sand dust storm (SDS) occurs nearly every year, especially in northern China. However, there is less research about the relationship between SDS and greenhouse gases (GHGs). In this paper, we select 4 times of SDS that occurred in the spring of 2009 and 2010 in Asia. We monitor the areas covered by the SDS using MODerate resolution Imaging Spectroradiometer (MODIS) data, and then we use Greenhouse Gases Observing Satellite (GOSAT) data to check how the SDS affect the concentration of CO2 and CH4. Compare the concentration of CO2 and CH4 on SDS days with the monthly mean values of the SDS happened month. We also compare the concentration of CO2 and CH4 on SDS days with the value before and after the SDS. After analysis, we found that SDSs increase the concentration of CO2 and CH4 in the atmosphere. When the SDS occurred, the concentrations of CO2 and CH4 increased and reached peak values on the last or penultimate days of the storm and then decreased to their normal values. Atmospheric flow is the main reason of CO2 concentration increase, the lack of free radicals (OH) during SDSs and the presence of CH4 sources in southeast China are the main reasons of CH4 increase. We also found that in arid and semi-arid areas, SDSs had little effect on the concentration of these two GHGs.
Rights: This is an electronic version of an article published in International Journal of Remote Sensing, 33(21), 6838-6853, 2012. International Journal of Remote Sensing is available online at:
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 王 秀峰

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