Long term studies on characteristics of black carbon aerosols over a tropical urban station Pune, India

被引：60

作者：

Safai, P. D. ^{[1
]}

Raju, M. P. ^{[1
]}

Budhavant, K. B. ^{[1
]}

Rao, P. S. P. ^{[1
]}

Devara, P. C. S. ^{[1
]}

机构：

[1] Indian Inst Trop Meteorol, Pune, Maharashtra, India

来源：

ATMOSPHERIC RESEARCH | 2013年 / 132卷

关键词：

Black carbon; Temporal variations; Optical properties; Meteorological parameters; Aerosol chemical composition; LIGHT-ABSORPTION; AIR-POLLUTION; SEASONAL-VARIATIONS; MASS CONCENTRATION; ELEMENTAL CARBON; OCEAN EXPERIMENT; SULFUR-DIOXIDE; ORGANIC-CARBON; SOOT AEROSOL; EMISSIONS;

D O I：

10.1016/j.atmosres.2013.05.002

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

Continuous monitoring of surface black carbon (BC) was carried out using an Aethalometer in Pune, an inland urban tropical location in SW India. BC data for the period of 6 years (2005-2010) was studied and compared with that reported from different Indian locations. The mean BC concentration for the 6 year period was 3.58 +/- 1.55 mu g/m(3) with maximum concentration occurring during winter and minimum during monsoon season in each year. Various characteristics of temporal variation of BC aerosols are discussed. Mean annual mass fraction of BC to TSP was 2.9%. The similarity of diurnal variation as well as significantly good correlation of BC with PM1.0 showed that BC lies mainly in the fine size. Also, a good correlation with other anthropogenically originated chemical components of aerosol like NO3-, NH4+ and nonsea salt fractions of SO42- and K+ indicated the presence of common source like fossil-fuel/biomass burning. Effects of meteorological parameters such as temperature, wind speed, rainfall and mixing ratio on BC are discussed. In addition, some of the optical properties of aerosols e.g. aerosol optical depths (ADD), single scattering albedo (SSA), and Angstrom Coefficient are correlated with surface BC concentrations. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：173 / 184

页数：12

共 104 条

[21] Analysis of Diurnal and Seasonal Variation of Submicron Outdoor Aerosol Mass and Size Distribution in a Northern Indian City and Its Correlation to Black Carbon [J].