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LIDAR Observations of Aerosol Properties Over Tropical Urban Region—A Case Study During a Low-Pressure System Over Bay of Bengal

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3 Author(s)
Sharma, A.R. ; Dept. of Space, Nat. Remote Sensing Centre, Hyderabad, India ; Kharol, S.K. ; Badarinath, K.V.S.

Variations in aerosol properties and ground-reaching solar irradiance over a tropical urban environment in Hyderabad, India, associated with a low-pressure system during December 3-10, 2008, over Bay of Bengal (BoB) were analyzed. Considerable variations in aerosol properties and ground-reaching solar irradiance due to changes in wind velocity and direction associated with the low-pressure system formed over southeast BoB were observed. Terra/Aqua Moderate Resolution Imaging Spectroradiometer AOD550 variations showed trends matching with ground observations. Nighttime Light Detection and Ranging (LIDAR) observations suggested considerable reduction in atmospheric particulate matter (PM) loading under the influence of low-pressure system. Results of the study have implications for monitoring urban air quality as synoptic weather systems are capable of modifying the atmospheric PM loading.

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:6 ,  Issue: 4 )