Retrieval of aerosol size distribution from extinction measurements and verification with observations at a tropical station |
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Authors: | P Sikka R Vijayakumar AMary Selvam BhVR Murty |
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Institution: | Indian Institute of Tropical Meteorology, Pune-411005, India |
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Abstract: | Aerosol size distributions were retrieved by computing aerosol extinction parameters using extensive measurements of direct solar radiation made in the 0.4 and 0.6 μm wavelengths at Pune with Volz type sunphotometer during winter (November–February), pre-monsoon (March–May), monsoon (June–August) and post-monsoon (September–October) of 1980–1981. The computer aerosol size distributions are compared with the direct measurements made using Anderson eight-stage cascade impactor. There is agreement between the retrieved and measured size distributions. The retrieval method is simple and useful for intensive aerosol measurement programmes. |
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