Impact of Long-range Transport Dust on Aerosol Optical Properties over a Semi-arid Region in Southern Peninsular India

Author(s)	L. Siva Sankara Reddy, K. Narasimhulu, K. Raja Obul Reddy, G. Balakrishnaiah, K. Rama Gopal
Country	India
Abstract	The present paper investigates the results of a case study on the impact of an long range transport dust on the optical properties of aerosols at a semi-arid region in southern peninsular India using remote sensing techniques. Vertically resolved feature mask images from Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) on available days are utilized to monitor the smoke/dust vertical distributions during dust transport day. CALIPSO observations of the vertical profile of aerosols are in qualitative agreement with the values of MERRA-2 dust aerosol optical depth and Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol optical depths. CALIPSO derived Aerosol extinction coefficient suggested dominance of dust particle loading during dusty days compared to normal days. In addition, a long range transport of a widespread dust plume is observed over northwestern regions as evidenced by the MODIS imagery. The observed features are also explained on the basis of the results from the back trajectories.
Keywords	CALIPSO, MODIS, DUST
Field	Physical Science
Published In	Volume 2, Issue 6, November-December 2020
Published On	2020-11-04

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International Journal For Multidisciplinary Research