id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-269423-p73bszlq	Zhao, Fei	Ozone profile retrievals from TROPOMI: Implication for the variation of tropospheric ozone during the outbreak of COVID-19 in China	2020-10-13		.txt	text/plain	5475	337	58	This paper presents ozone profiles and tropospheric ozone columns from ultraviolet radiances detected by TROPOospheric Monitoring Instrument (TROPOMI) onboard Sentinel 5 Precursor (S5P) satellite based on the principle of optimal estimation method. The purpose of this paper is to describe the inversion algorithm of TROPOMI ozone profile and validate the results using various in-situ measurements as well as satellite data, which is further used to evaluate the variation of tropospheric ozone in different regions in China. This paper proceeds as follows: section 2 introduces the retrieval algorithm and TROPOMI L1b data, description of the forward model, retrieval scheme and examination of different slit function impacts on the reduction of fitting residuals and radiometric calibration and evaluate the effect of soft calibration by comparison of spectral fitting residuals with and without correction at all latitudes.	./cache/cord-269423-p73bszlq.txt	./txt/cord-269423-p73bszlq.txt