Arid
DOI10.1063/1.4803319
Aerosols Properties during Dust-storm Episodes over Jaipur, Northwestern India
Payra, Swagata1; Verma, Sunita1; Prakash, Divya1; Kumar, Pramod2; Soni, Manish1; Holben, Brent3
通讯作者Payra, Swagata
会议名称19th International Conference on Nucleation and Atmospheric Aerosols (ICNAA)
会议日期JUN 23-28, 2013
会议地点Fort Collins, CO
英文摘要

Continuous routine aerosol measurements have been carried out at Jaipur (Rajasthan, Northwestern India) since April 2009 with a CIMEL sun photometer integrated in the global Aerosols Robotic Network (AERONET) program. The present study investigates the aerosol properties during dust storm episodes over Jaipur, Northwestern India. A series of high dust storms were identified as indicated by high values of aerosols optical thickness (AOT) with a significant drop in angstrom exponent values (nearly zero and negative). Consequently, a progressive increase in Single Scattering Albedo (SSA(440) (nm) = 0.89, SSA(675) (nm) = 0.95, SSA(870) (nm) = 0.97, SSA(1020 nm) = 0.976) suggests more scattering nature of regional aerosols associated with abundant dust loading. Trajectories back in time showed that the air collected in Jaipur during dust period originated from desert regions in the western part of India. Additionally, a comparative analysis of the mean AOT derived from satellite data and Potential Source Contribution Function (PSCF) analysis helped to understand the source region of these particles.


英文关键词Aerosols optical properties dust number concentration transport
来源出版物NUCLEATION AND ATMOSPHERIC AEROSOLS
ISSN0094-243X
出版年2013
卷号1527
页码515-518
EISBN978-0-7354-1152-4
出版者AMER INST PHYSICS
类型Proceedings Paper
语种英语
国家India;USA
收录类别CPCI-S
WOS记录号WOS:000319766400128
WOS类目Physics, Applied
WOS研究方向Physics
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/301390
作者单位1.Extens Ctr Jaipur, Birla Inst Technol Mesra, Ctr Excellence Climatol, Jaipur 302017, Rajasthan, India;
2.IISC, Cent Atom & Ocean Sci, Bangalore 560012, Karnataka, India;
3.NASA, Goddard Space Flight Ctr, Code 661, Greenbelt, MD 20771 USA
推荐引用方式
GB/T 7714
Payra, Swagata,Verma, Sunita,Prakash, Divya,et al. Aerosols Properties during Dust-storm Episodes over Jaipur, Northwestern India[C]:AMER INST PHYSICS,2013:515-518.
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