id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-350919-by4zwniq	Chowdhuri, Indrajit	Significant decrease of lightning activities during COVID-19 lockdown period over Kolkata megacity in India	2020-07-28		.txt	text/plain	2698	99	53	A higher amount of pre-monsoon lightning flash is reported over the Kolkata megacity area than the monsoon period (Chaudhuri and Middey, 2013) . The main objectives of this study are therefore to analyze the trend of ambient air pollutants (PM 10 , NO 2 , SO 2 , O 3 and aerosol) during the lockdown and pre-lockdown periods.	cache/cord-350919-by4zwniq.txt	txt/cord-350919-by4zwniq.txt
