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Atmosphere 2018, 9(11), 454; https://doi.org/10.3390/atmos9110454

Advanced Ultraviolet Radiation and Ozone Retrieval for Applications (AURORA): A Project Overview

1
Istituto di Fisica Applicata Nello Carrara del Consiglio Nazionale delle Ricerche (IFAC-CNR), I-50019 Sesto Fiorentino, Italy
2
Epsilon International SA, Marousi GR-15125, Greece
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Science and Technology B.V., Delft 2616 LR, The Netherlands
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Finnish Meteorological Institute, 70211 Kuopio, Finland
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Finnish Meteorological Institute, 00101 Helsinki, Finland
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Royal Netherlands Meteorological Institute, Debilt 3731 GA, The Netherlands
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Flyby, S.r.l., I-57128 Livorno, Italy
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European Centre for Medium-range Weather Forecasts (ECMWF), Reading RG2 9AX, UK
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Royal Belgian Institute for Space Aeronomy (BIRA-IASB), B-1180 Brussels, Belgium
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Datacraft, Rotterdam 3025 AE, The Netherlands
*
Author to whom correspondence should be addressed.
Received: 31 July 2018 / Revised: 5 November 2018 / Accepted: 6 November 2018 / Published: 18 November 2018
(This article belongs to the Special Issue Atmospheric Composition Modeling)
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Abstract

With the launch of the Sentinel-5 Precursor (S-5P, lifted-off on 13 October 2017), Sentinel-4 (S-4) and Sentinel-5 (S-5)(from 2021 and 2023 onwards, respectively) operational missions of the ESA/EU Copernicus program, a massive amount of atmospheric composition data with unprecedented quality will become available from geostationary (GEO) and low Earth orbit (LEO) observations. Enhanced observational capabilities are expected to foster deeper insight than ever before on key issues relevant for air quality, stratospheric ozone, solar radiation, and climate. A major potential strength of the Sentinel observations lies in the exploitation of complementary information that originates from simultaneous and independent satellite measurements of the same air mass. The core purpose of the AURORA (Advanced Ultraviolet Radiation and Ozone Retrieval for Applications) project is to investigate this exploitation from a novel approach for merging data acquired in different spectral regions from on board the GEO and LEO platforms. A data processing chain is implemented and tested on synthetic observations. A new data algorithm combines the ultraviolet, visible and thermal infrared ozone products into S-4 and S-5(P) fused profiles. These fused products are then ingested into state-of-the-art data assimilation systems to obtain a unique ozone profile in analyses and forecasts mode. A comparative evaluation and validation of fused products assimilation versus the assimilation of the operational products will seek to demonstrate the improvements achieved by the proposed approach. This contribution provides a first general overview of the project, and discusses both the challenges of developing a technological infrastructure for implementing the AURORA concept, and the potential for applications of AURORA derived products, such as tropospheric ozone and UV surface radiation, in sectors such as air quality monitoring and health. View Full-Text
Keywords: Copernicus program; atmospheric Sentinels; ozone profile; ultraviolet surface radiation; data synergy; fusion; assimilation; applications Copernicus program; atmospheric Sentinels; ozone profile; ultraviolet surface radiation; data synergy; fusion; assimilation; applications
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Cortesi, U.; Ceccherini, S.; Del Bianco, S.; Gai, M.; Tirelli, C.; Zoppetti, N.; Barbara, F.; Bonazountas, M.; Argyridis, A.; Bós, A.; Loenen, E.; Arola, A.; Kujanpää, J.; Lipponen, A.; Wandji Nyamsi, W.; van der A, R.; van Peet, J.; Tuinder, O.; Farruggia, V.; Masini, A.; Simeone, E.; Dragani, R.; Keppens, A.; Lambert, J.-C.; van Roozendael, M.; Lerot, C.; Yu, H.; Verberne, K. Advanced Ultraviolet Radiation and Ozone Retrieval for Applications (AURORA): A Project Overview. Atmosphere 2018, 9, 454.

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