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Almost one year of TROPOMI/S5P total ozone column data: global ground-based validation
Title: Almost one year of TROPOMI/S5P total ozone column data: global ground-based validation
Authors: Garane, KaterinaBalis, DimitrisKoukouli, Maria-ElissavetBais, Alkiviadis F.Fioletov, VitaliPazmino, AndreaLambert, Jean-ChristopherVerhoelst, TijlGranville, JoseBazureau, ArianeGoutail, FlorencePommereau, Jean-PierreMcLinden, ChrisHeue, Klaus-PeterLoyola, DiegoXu, JianZimmer, WalterRomahn, FabianLerot, ChristopheRoozendael, Michel VanRedondas, Alberto ORCID RESEARCHERID Autor AEMETZerefos, Christos S.
Keywords: Ozone column; Brewer measurements; Tropospheric Monitoring Instrument
Issue Date: 2018
Citation: ATMOS 2018
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Abstract: In this work we present the validation results of almost one year of TROPOMI Near Real Time (NRTI) and OFFLine (OFFL) data against ground-based quality-assured Brewer and Dobson total ozone column (TOC) measurements deposited in the World Ozone and Ultraviolet Radiation Data Center (WOUDC). Additionally, comparisons to Brewer measurements from the European Brewer Network (EUBREWNET) and the Canadian Network are performed, as well as to twilight zenith-sky measurements obtained with ZSL-DOAS (Zenith Scattered Light Differential Optical Absorption Spectroscopy) instruments, that form part of the SAOZ network (Système d'Analyse par Observation Zénitale) of the Network for the Detection of Atmospheric Composition Change (NDACC). Through the comparison of the TROPOMI measurements to the total ozone ground-based measurements from stations that are distributed globally, as the background truth, the dependence of the new instrument on latitude, cloud properties, solar zenith and viewing angles, among others, is examined. Validation results show that the mean bias and the standard deviation of the percentage difference between TROPOMI and QA ground TOC meet the product requirements.
Description: Póster presentado en: ATMOS 2018, celebrado en Salzburgo (Austria) del 26 al 29 de noviembre de 2018.
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