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OMI satellite observed formaldehyde column from 2006 to 2015 over Xishuangbanna, southwest China, and validation using ground based zenith-sky DOAS
Liu, Rui; Feng, Tao; Wang, Shanshan; Deng, Yun; et al
2017
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume613Issue:xPages:168-175
AbstractFormaldehyde (HCHO) provides a proxy to reveal the isoprene and biogenic volatile organic compounds emission which plays important roles in atmospheric chemical process and climate change. The ground-based observation with zenith-sky DOAS is carried out in order to validate the HCHO columns from OMI. It has a good correlation of 0.71678 between the HCHO columns from two sources. Then we use the OMI HCHO columns from January 2006 to December 2015 to indicate the interannual variation and spatial distribution in Xishuangbanna. The HCHO concentration peaks appeared in March or April for each year significantly corresponding to the intensive fire counts at the same time, which illustrate that the high HCHO columns are strongly influenced by the biomass burning in spring. Temperature and precipitation are also the important influence factors in the seasonal variation when there is nearly no biomass burning. The spatial patterns over the past ten years strengthen the deduction from the temporal variation and show the relationship with land cover and land use, elevation and population density. It is concluded that the biogenic activity plays a role in controlling the background level of HCHO in Xishuangbanna, while biomass burning is themain driving force of high HCHO concentration. And forests are greater contributor to HCHO rather than rubber trees which cover over 20% of the land in the region. Moreover, uncertainties from HCHO slant column retrieval and AMFs calculation are discussed in detail.
KeywordOmi Hcho Doas Biomass Burning LAnd Use And LAnd Cover Population
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10676
Collection支撑系统
Recommended Citation
GB/T 7714
Liu, Rui,Feng, Tao,Wang, Shanshan,et al. OMI satellite observed formaldehyde column from 2006 to 2015 over Xishuangbanna, southwest China, and validation using ground based zenith-sky DOAS[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,613(x):168-175.
APA Liu, Rui,Feng, Tao,Wang, Shanshan,Deng, Yun,&et al.(2017).OMI satellite observed formaldehyde column from 2006 to 2015 over Xishuangbanna, southwest China, and validation using ground based zenith-sky DOAS.SCIENCE OF THE TOTAL ENVIRONMENT,613(x),168-175.
MLA Liu, Rui,et al."OMI satellite observed formaldehyde column from 2006 to 2015 over Xishuangbanna, southwest China, and validation using ground based zenith-sky DOAS".SCIENCE OF THE TOTAL ENVIRONMENT 613.x(2017):168-175.
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