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Observation of optical properties and sources of aerosols at Buddha's birthplace, Lumbini, Nepal: environmental implications
Rupakheti, D (Rupakheti, Dipesh)1,2,3; Kang, SC (Kang, Shichang)2,3,4; Rupakheti, M (Rupakheti, Maheswar)5,6; Cong, ZJ (Cong, Zhiyuan)1,4; Tripathee, L (Tripathee, Lekhendra)3; Panday, AK (Panday, Arnico K.)7; Holben, BN (Holben, Brent N.)8
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
2018-05-01
Volume25Issue:15 特刊 SIPages:14868-14881
DOI10.1007/s11356-018-1713-z
AbstractFor the first time, aerosol optical properties are measured over Lumbini, Nepal, with CIMEL sunphotometer of the Aerosol Robotic Network (AERONET) program. Lumbini is a sacred place as the birthplace of Lord Buddha, and thus a UNESCO world heritage site, located near the northern edge of the central Indo-Gangetic Plains (IGP) and before the Himalayan foothills (and Himalayas) to its north. Average aerosol optical depth (AOD) is found to be 0.64 +/- 0.38 (0.06-3.28) over the sampling period (January 2013-December 2014), with the highest seasonal AOD during the post-monsoon season (0.72 +/- 0.44). More than 80% of the daily averaged AOD values, during the monitoring period, are above 0.3, indicating polluted conditions in the region. The levels of aerosol load observed over Lumbini are comparable to those observed at several heavily polluted sites in the IGP. Based on the relationship between AOD and ngstrom exponent (alpha), anthropogenic, biomass burning, and mixed aerosols are found to be the most prevalent aerosol types. The aerosol volume-size distribution is bi-modal during all four seasons with modes centered at 0.1-0.3 and 3-4 mu m. For both fine and coarse modes, the highest volumetric concentration of similar to 0.08 mu m(-3) mu m(-2) is observed during the post-monsoon and pre-monsoon seasons. As revealed by the single-scattering albedo (SSA), asymmetry parameter (AP), and refractive index (RI) analyses, aerosol loading over Lumbini is dominated by absorbing, urban-industrial, and biomass burning aerosols.
WOS IDWOS:000433495500054
Language英语
Indexed BySCIE
KeywordINDO-GANGETIC BASIN ATMOSPHERIC BROWN CLOUDS 2009 PREMONSOON SEASON 5079 M A.S.L. TIBETAN PLATEAU CARBONACEOUS AEROSOLS SUNPHOTOMETER MEASUREMENTS ABSORPTION PROPERTIES REGIONAL METEOROLOGY CHEMICAL-COMPOSITION
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
Cooperation Status国际
ISSN0944-1344
Department环境变化与地表过程重点实验室
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8654
Collection图书馆
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China;
4.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
5.Inst Adv Sustainabil Studies, Potsdam, Germany;
6.Himalayan Sustainabil Inst HIMSI, Kathmandu, Nepal;
7.[Panday, Arnico K.] Int Ctr Integrated Mt Dev ICIMOD, Lalitpur, Nepal;
8.[Holben, Brent N.] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.
Recommended Citation
GB/T 7714
Rupakheti, D ,Kang, SC ,Rupakheti, M ,et al. Observation of optical properties and sources of aerosols at Buddha's birthplace, Lumbini, Nepal: environmental implications[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2018,25(15 特刊 SI):14868-14881.
APA Rupakheti, D .,Kang, SC .,Rupakheti, M .,Cong, ZJ .,Tripathee, L .,...&Holben, BN .(2018).Observation of optical properties and sources of aerosols at Buddha's birthplace, Lumbini, Nepal: environmental implications.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,25(15 特刊 SI),14868-14881.
MLA Rupakheti, D ,et al."Observation of optical properties and sources of aerosols at Buddha's birthplace, Lumbini, Nepal: environmental implications".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 25.15 特刊 SI(2018):14868-14881.
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