Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019JD031293 |
Aerosol Properties Over Tibetan Plateau From a Decade of AERONET Measurements: Baseline, Types, and Influencing Factors | |
Pokharel, Manisha1; 39;ao2 | |
2019-12-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2019 |
卷号 | 124期号:23页码:13357-13374 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA; India |
英文摘要 | In this study, a decade long measurement of aerosol optical properties at two AERONET stations (Nam Co during 2006-2016 and QOMS during 2009-2017) in the Tibetan Plateau (TP), a region sensitive to climate change and human perturbation, is presented. The baseline value of aerosol optical depth (AOD) was 0.029 and 0.027 at Nam Co and QOMS, respectively, which are comparable to or even lower than those at some Arctic and remote ocean locations. The seasonality of AOD values were the order of spring > summer > winter > autumn. Based on AOD and Angstrom exponent (alpha), major aerosol types over the TP were further identified as continental background, biomass burning, and dust. Although continental background aerosol was the main feature in remote areas of TP, biomass burning plumes frequently occurred, especially during spring (March-April). In one of such biomass burning event in April 2014, MODIS observations demonstrated that intensive open fires occurred in South Asia, covering the foothills of Himalayas and Indo-Gangetic Plain. The air mass back trajectories and CALIOP observations further revealed that biomass burning plume could be uplifted to higher altitudes and reach the Himalayas. Moreover, an occasional dust event detected in April 2008 over the TP demonstrated that the dust from Taklamakan Desert may impact the main body of TP episodically, although the local dust from the inside of TP cannot be excluded and warrants further study. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000505626200055 |
WOS关键词 | ATMOSPHERIC BROWN CLOUDS ; HIGH-ALTITUDE SITE ; OPTICAL-PROPERTIES ; CARBONACEOUS AEROSOLS ; CHEMICAL-COMPOSITION ; NAM CO ; 3RD POLE ; DEPTH ; DUST ; HIMALAYAS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/225937 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, State Environm Protect Key Lab Satellite Remote S, Beijing, Peoples R China; 4.Southwest Univ, Sch Geog Sci, Chongqing Jinfo Mt Field Sci Observat, Chongqing, Peoples R China; 5.Southwest Univ, Sch Geog Sci, Res Stn Kaster Ecosyst, Chongqing, Peoples R China; 6.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou, Peoples R China; 7.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China; 8.NASA, Goddard Space Flight Ctr, Greenbelt, MD USA; 9.Chinese Acad Sci, Key Lab Middle Atmosphere & Global Environm Obser, Inst Atmospher Phys, Beijing, Peoples R China; 10.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing, Peoples R China; 11.Banaras Hindu Univ, Inst Environm & Sustainable Dev, Varanasi, Uttar Pradesh, India; 12.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Pokharel, Manisha,39;ao. Aerosol Properties Over Tibetan Plateau From a Decade of AERONET Measurements: Baseline, Types, and Influencing Factors[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2019,124(23):13357-13374. |
APA | Pokharel, Manisha,&39;ao.(2019).Aerosol Properties Over Tibetan Plateau From a Decade of AERONET Measurements: Baseline, Types, and Influencing Factors.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,124(23),13357-13374. |
MLA | Pokharel, Manisha,et al."Aerosol Properties Over Tibetan Plateau From a Decade of AERONET Measurements: Baseline, Types, and Influencing Factors".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124.23(2019):13357-13374. |
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