Arid
DOI10.4209/aaqr.2016.09.0424
Radiative Forcing Estimation of Aerosols at an Urban Site near the Thar Desert Using Ground-Based Remote Sensing Measurements
Verma, Sunita1; Prakash, Divya1,3; Srivastava, Atul Kumar2; Payra, Swagata1
通讯作者Payra, Swagata
来源期刊AEROSOL AND AIR QUALITY RESEARCH
ISSN1680-8584
EISSN2071-1409
出版年2017
卷号17期号:5页码:1294-1304
英文摘要

The focus of present study is to quantify the radiation budget of aerosols over Jaipur (Northwestern, India) from 2011 to 2015. The Aerosol radiative forcing (ARF) has been determined for shortwave spectrum (0.3-3.0 mu m) individually for the top of the atmosphere (TOA), bottom of the atmosphere (BOA) and within the atmosphere (ATM) over study region. Santa Barbara DISORT Atmospheric Radiative Transfer model (SBDART) is used to simulate the aerosols radiative effect.


The inter-annual monthly average of ARF at TOA during 2011-2015 is found between -11.40 to -5.60 W m(-2), while the ARF at BOA is found to be between -32.2 to -22.49 W m(-2). Likewise, the ARF within the atmosphere (ATM) comes between 14.04 to 22.47 W m(-2) over Jaipur.


The SBDART model is run discretely for Dust period (DSP) and non-Dust Period (NDP) during the year 2012 to inspect the change in ARF during extreme events over the Jaipur site. During DSP, the net TOA and BOA forcing are found in the range -20.71 to -16.81 W m(-2) and -45.15 to -39.6 W m(-2), respectively, and net ATM forcing varies in the range 22.7 to 24.4 W m(-2). For the NDP, the corresponding value varies in the range -10.1 to -6.6 W m(-2) and -23.6 to -22.3 W m(-2). The net ATM forcing during NDP is between 12.2 to 17.05 W m(-2). The value of BOA increases more than similar to 67% during DSP than NDP. The more increase (-ve) in surface forcing represents the cooling of the surface during DSP. The results depict that dust over Jaipur in the vicinity of the Thar Desert is scattering in nature with high value (> 0.95) of SSA. The scattering is mostly high during summer and low in winter.


英文关键词Aerosols Dust Radiative forcing AOT SSA
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000403503700016
WOS关键词OPTICAL-PROPERTIES ; HIMALAYAN FOOTHILLS ; CLIMATE-CHANGE ; DUST STORM ; INDIA ; LONG ; VARIABILITY ; REGIONS ; STATION ; SUMMER
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/197071
作者单位1.Birla Inst Technol Mesra, Ctr Excellence Climatol, Jaipur 302017, Rajasthan, India;
2.Indian Inst Trop Meteorol Branch, New Delhi 110060, India;
3.Poornima Univ, Dept Civil Engn, Jaipur 303905, Rajasthan, India
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GB/T 7714
Verma, Sunita,Prakash, Divya,Srivastava, Atul Kumar,et al. Radiative Forcing Estimation of Aerosols at an Urban Site near the Thar Desert Using Ground-Based Remote Sensing Measurements[J],2017,17(5):1294-1304.
APA Verma, Sunita,Prakash, Divya,Srivastava, Atul Kumar,&Payra, Swagata.(2017).Radiative Forcing Estimation of Aerosols at an Urban Site near the Thar Desert Using Ground-Based Remote Sensing Measurements.AEROSOL AND AIR QUALITY RESEARCH,17(5),1294-1304.
MLA Verma, Sunita,et al."Radiative Forcing Estimation of Aerosols at an Urban Site near the Thar Desert Using Ground-Based Remote Sensing Measurements".AEROSOL AND AIR QUALITY RESEARCH 17.5(2017):1294-1304.
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