Aerosol Parameters During Winter and Summer Seasons and Meteorological Implications
1 Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, India
2 Tansport Planning and Environment Division, CSIR-Central Road Research Institute, New Delhi, India
3 Department of Physics, Indian Institute of Technology (BHU), Varanasi, India
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Published online: 7 July 2020
The MICROTOPS II aerosol optical depth (AOD) and Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua AOD and angstrom exponent (AE) were collected during December 2016 to May 2017. Higher AOD values were recorded during winter (December - February) and summer (March - May) Months. These values were observed by MICROTOPS II (0.35 - 1.279) and MODIS (0.222 - 1.904) during winter season. During summer AOD values were recorded by MICROTOPS II (0.272 – 1.744) and MODIS (0.227 – 1.33). Whereas MODIS AE (0.218 – 1.799) values were found high during winter season indicates about the dominance of fine particulates. During summer months MODIS AE (.001 – 1.648) values are indicating about the mixing of the aerosol particles. The relative humidity values during December and January months were found to be high, while its values were found decreasing during late February due to transition phase. Relative humidity values were recorded low during summer (36 – 86%) months in compare to the winter (50 - 100%) months.
© The Authors, published by EDP Sciences, 2020
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