Articles written in Journal of Earth System Science
Volume 117 Issue S1 July 2008 pp 407-411
The spectral AOD measurements have been made for the first time over Patiala during multiplatform field campaign ICARB–2006 using a Multi-Wavelength Radiometer (MWR) along with the suspended particulate matter measurements with a high volume sampler. Spectral AOD has higher values in May in comparison to March and April. The monthly mean AOD values at 500 nm are 0.26 ± 0.08, 0.36 ± 0.19 and 0.58 ± 0.20 for the months of March, April and May respectively. The mean AOD is more during afternoon in comparison to forenoon at all wavelengths. The atmospheric turbidity is higher in May and is attributed to dust transported by southerly winds prevailing during this month. The ˚Angström parameter 𝛼 varies between zero and 0.68 while 𝛽 ranges from 0.1 to 0.9. The columnar water vapour content ranges from 0.12 to 2.92 cm, having a mean value of 1.06 ± 0.648 cm. The mean total suspended particulate matter is 334.41 ± 97.56 𝜇 gm/m3, an indication of high aerosol loading over Patiala during the campaign period.
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