Influence of natural and anthropogenic emissions on aerosol optical properties over a tropical urban site - A study using sky radiometer and satellite data

K. V.S. Badarinath, D. Goto, Shailesh Kumar Kharol, D. V. Mahalakshmi, Anu Rani Sharma, T. Nakajima, M. Hashimoto, Toshihiko Takemura

    Research output: Contribution to journalArticle

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    Abstract

    Atmospheric aerosols are important aspects of climate research due to their impact on radiative forcing. In the present study, the aerosol optical depth (AOD), the Ångström exponent (α) and the single scattering albedo (SSA) over the urban region of Hyderabad, India, were examined using Sun/Sky radiometer measurements during January-December, 2008. AOD showed higher values on certain Julian days coinciding with the occurrence of wintertime dust storm events in the Gulf Region and biomass burning due to forest fires over Indian Region. The AOD values during wintertime dust event are about ~55% higher than those on normal days. The SSAs show positive and negative trends in α (R2=0.71) and black carbon (BC) aerosols (R2=0.44), respectively. The aerosol size distribution shows a bimodal pattern with fine (~0.15μm) and coarse (~>7μm) mode during January-December, 2008. The MODIS AOD showed positive correlation with sky radiometer-derived AOD values (R2=0.68).

    Original languageEnglish
    Pages (from-to)111-120
    Number of pages10
    JournalAtmospheric Research
    Volume100
    Issue number1
    DOIs
    Publication statusPublished - Apr 1 2011

    Fingerprint

    urban site
    optical property
    radiometer
    satellite data
    aerosol
    optical depth
    urban region
    dust storm
    radiative forcing
    black carbon
    biomass burning
    forest fire
    MODIS
    albedo
    scattering
    particle size
    dust
    climate

    All Science Journal Classification (ASJC) codes

    • Atmospheric Science

    Cite this

    Influence of natural and anthropogenic emissions on aerosol optical properties over a tropical urban site - A study using sky radiometer and satellite data. / Badarinath, K. V.S.; Goto, D.; Kharol, Shailesh Kumar; Mahalakshmi, D. V.; Sharma, Anu Rani; Nakajima, T.; Hashimoto, M.; Takemura, Toshihiko.

    In: Atmospheric Research, Vol. 100, No. 1, 01.04.2011, p. 111-120.

    Research output: Contribution to journalArticle

    Badarinath, K. V.S. ; Goto, D. ; Kharol, Shailesh Kumar ; Mahalakshmi, D. V. ; Sharma, Anu Rani ; Nakajima, T. ; Hashimoto, M. ; Takemura, Toshihiko. / Influence of natural and anthropogenic emissions on aerosol optical properties over a tropical urban site - A study using sky radiometer and satellite data. In: Atmospheric Research. 2011 ; Vol. 100, No. 1. pp. 111-120.
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