Ozone

Data

Overview portfolio

Data archives

In case of problems or questions, do not hesitate to contact the Science Leader.

• BIRA archive : L2 total column and limb profiles, some L3 products.
• CDS (Copernicus Climate Data Store) : some L3 products.
• CDSE (Copernicus Data Space Ecosystem) : TROPOMI L2 products.
• TEMIS : MSR2 L4 total column.
• CEDA archive : RAL L2 nadir profile.
• AERIS portal : IASI L2 nadir profile.

Total ozone column

Level-2 (single sensor, single observation)

Level-3 (multi-sensor, gridded)

Level-4 (multi-sensor, assimilated)

Tropospheric ozone column

A tropospheric column can also be extracted from the L2 or L3 nadir ozone profile products (the lowest layer).

Convective Cloud Differential technique

Limb-Nadir Matching technique

Limb ozone profile

Level-2 (single sensor, single observation)

All data records are provided in a common data format (HARMOZ).

Level-3 (multi-sensor, gridded)

Nadir ozone profile

Level-2 (single sensor, single observation)

Level-3 (multi-sensor, gridded)

Key Documents

Ozone_cci+ Phase 3 (2025-2026)

• User Requirement Document (D1.1 URD) (planned Q3 2025)
• Product Specification Document (D1.2 PSD) (planned Q3 2025)
• Algorithm Development Plan (D2.3 ADP) (planned Q3 2025)
• Product Validation Plan (D2.4 PVP) (planned Q3 2025)

Ozone_cci+ Phase 2 OMI Collection 4 (2024-2025)

• Algorithm Theoretical Basis Document (D2.1 ATBD)
• End to End ECV Uncertainty Budget v7.0 (D2.2 E3UB) (13 May 2025)
• Product Validation and Intercomparison Report (D4.1 PVIR) (planned Q3 2025)
• Product User Guide (D4.2 PUG) (planned Q3 2025)

Ozone_cci+ User Workshop #2 (28-29 May 2024)

• Event page including workshop material
• User Workshop Report v1.0 (D5.3 UWR) (Mar 2025)

Ozone_cci+ Phase 2 (2022-2025)

• User Requirement Document v4.1 (D1.1 URD) (12 May 2025)
• Product Specification Document v6.2 (D1.2 PSD) (17 Mar 2025)
• Algorithm Theoretical Basis Document v2.1 (D2.1 ATBD) (24 Jan 2023)
• Algorithm Theoretical Basis Document v3.2 (D2.1 ATBD) (17 Mar 2025)
• End to End ECV Uncertainty Budget v6.4 (D2.2 E3UB) (17 Mar 2025)
• Algorithm Development Plan v2.1 (D2.3 ADP) (4 Oct 2023)
• Product Validation Plan v3.1 (D2.4 PVP) (17 Mar 2025)
• System Specification Document v4.1 (D3.1 SSD) (17 Mar 2025)
• Climate Research Data Package v1.2 (D3.2 CRDP) (12 May 2025)
• Product Validation and Intercomparison Report v5.2 (D4.1 PVIR) (12 May 2025)
• Product User Guide v2.1 (D4.2 PUG) (17 Mar 2025)
• Climate Assessment Report v1.0 (D5.1 CAR) (16 May 2024)
• Project Scientific Highlights v2.2 (D6.5 PSH) (17 Mar 2025)

Ozone_cci+ User Workshop #1 (16-17 March 2021)

• Full Report
• Event page including workshop material

Ozone_cci+ Phase 1 (2019-2022)

• User Requirement Document v3.1 (D1.1 URD) (Mar 2021)
• Algorithm Development Plan v2.0 (D1.2 ADP) (Oct 2021)
• Product Validation Plan v2.1 (D1.3 PVP) (Dec 2020)
• Algorithm Theoretical Basis Document v2.0 (D2.1 ATBD) (Nov 2021)
• End to End ECV Uncertainty Budget v5.0 (D2.2 E3UB) (Oct 2021)
• System Specification Document v2.0 (D3.1 SSD) (Apr 2022)
• Product Validation and Intercomparison Report v4.0 (D4.1 PVIR) (Jul 2022)
• Product User Guide v1.1 (D4.2 PUG) (Jun 2022)
• Climate Assessment Report (D5.1 CAR) (Mar 2022)
• Project Scientific Highlights v1.2 (D6.4 PSH) (Oct 2020)

Ozone_cci Phase 2 (2014-2017)

• User Requirement Document v3.0 (D1.1 URD) (Apr 2016)
• Product Specification Document (D1.2 PSD) (Dec 2017)
• Comprehensive Error Characterization Report (D1.3 CECR) (Jan 2017)
• Data Access Requirement Document (D1.4 DARD) (May 2016)
• Algorithm Theoretical Basis Document v4.4 (D2.1 ATBD) (Dec 2017)
• System Specification Document v1.0 (D3.1 SSD) (Apr 2015)
• System Verification Report (D3.2 SVR) (Oct 2015)
• Product User Guide (D3.3 PUG) (May 2017)
• Product Validation and Intercomparison Report (D4.1 PVIR) (Jul 2016)
• Climate Assessment Report (D5.1 CAR) (May 2017)

Ozone_cci Phase 1 (2010-2014)

• User Requirement Document (D1.1 URD) (Dec 2011)
• Product Specification Document (D1.2 PSD) (Apr 2012)
• Data Access Requirement Document (D1.3 DARD) (May 2011)
• Product Validation Plan (D2.1 PVP) (Jan 2012)
• Data base task 2 (D2.2 DBT2) (Feb 2012)
• Algorithm Theoretical Basis Document (D2.3 ATBD) (Jun 2014)
• Product Validation and Algorithm Selection Report (D2.5 PVASR) (Jun 2014)
• Input Output Data Definition Document (D2.8 IODD) (May 2013)
• System Prototype Description (D3.1 SPD) (Dec 2013)
• System Verification Report (D3.2 SVR) (May 2013)
• Data base task 3 (D3.3 DBT3) (Nov 2012)
• Product User Guide (D3.4 PUG) (Dec 2013)
• Product Validation and Intercomparison Report (D4.1 PVIR) (Oct 2014)
• Climate Assessment Report (D4.2 CAR) (Feb 2014)
• System Requirement Document (D5.1 SRD) (Sep 2011)
• System Specification Document (D5.2 SSD) (Sep 2012)

Team

The Ozone project team is a close collaboration between eight partners, led by

• Science leader: Daan Hubert (BIRA-IASB)
• Project manager: Nathalie Kalb (BIRA-IASB)

Consortium (as of 2025)

BIRA-IASB

Royal Belgian Institute for Space Aeronomy, Brussels, Belgium
Daan Hubert, Nathalie Kalb (management),
Arno Keppens, Tijl Verhoelst, Jean-Christopher Lambert (validation),
Jonas Vlietinck, Jeroen van Gent, Thomas Danckaert, Michel Van Roozendael (UV-vis total column algorithms)

DLR

German Aerospace Center, Wessling, Germany
Melanie Coldewey-Egbers, Klaus-Peter Heue, Diego Loyola (UV-vis total column and tropospheric column algorithms),
Moritz Menken, Patrick Jöckel, Anja Schmidt (climate assessment),
Axel Lauer (climate asssessment)

RAL

Ruther Rutherford Appleton Laboratory, Harwell, UK
Richard Siddans, Barry Latter, Brian Kerridge, Ka Lok Chan (UV-vis nadir profile algorithms)

ULB

Université Libre de Bruxelles, Brussels, Belgium
Pierre-François Coheur, Catherine Wespes, Daniel Hurtmans (IR nadir profile algorithms)

FMI

Finnish Meteorological Institute, Helsinki, Finland
Viktoria Sofieva, Monika Szelag (tropospheric column and limb profile algorithms, climate assessment)

IUP-UB

Institute of Environmental Physics, University of Bremen, Bremen, Germany
Alexei Rozanov, Carlo Arosio, Kai-Uwe Eichmann (tropospheric column and limb profile algorithms, climate assessment)

AUTH

Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece
Katerina Garane, Dimitrios Balis (validation)

UCM

Universidad Complutense de Madrid, Madrid, Spain
Marta Abalos (climate assessment)

Consortium partners in earlier phases of O3 CCI

2010-2025

• Royal Netherlands Meteorological Institute, De Bilt, The Netherlands (total column and nadir profile algorithms, climate assessment)

2010-2017

• Chalmers University of Technology, Gothenburg, Sweden (limb profile algorithms)
• Federal Office of Meteorology and Climatology (MeteoSwiss), Payerne, Switzerland (ground-based reference data)
• Karlsruhe Institute of Technology (KIT), IMK-ASF, Karlsruhe, Germany (limb profile algorithms)
• Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Saint-Quentin-en-Yvelines, France (ground-based reference data)
• Royal Meteorological Institute of Belgium (KMI-IRM), Brussels, Belgium (ground-based reference data)
• University of Athens, Athens, Greece (ground-based reference data)
• University of Cambridge, Cambridge, UK (climate assessment)
• University of Saskatchewan, Saskatoon, Canada (limb profile algorithms)

2014-2017

• University of Toronto, Toronto, Canada (limb profile algorithms)

2010-2014

• University of York, Toronto, Canada (limb profile algorithms)

Publications

Ozone team members have contributed to the following peer-reviewed publications and international assessment reports.

2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010

2025

Coldewey-Egbers, M., Loyola, D. G., Latter, B., Siddans, R., Kerridge, B., Hubert, D., van Roozendael, M., and Eisinger, M.: The novel GOME-type Ozone Profile Essential Climate Variable (GOP-ECV) data record covering the past 26 years, Atmos. Meas. Tech. Discuss. [preprint], https://doi.org/10.5194/amt-2024-196, in review, 2025.

Keppens, A., Hubert, D., Granville, J., Nath, O., Lambert, J.-C., Wespes, C., Coheur, P.-F., Clerbaux, C., Boynard, A., Siddans, R., Latter, B., Kerridge, B., Di Pede, S., Veefkind, P., Cuesta, J., Dufour, G., Heue, K.-P., Coldewey-Egbers, M., Loyola, D., Orfanoz-Cheuquelaf, A., Maratt Satheesan, S., Eichmann, K.-U., Rozanov, A., Sofieva, V. F., Ziemke, J. R., Inness, A., Van Malderen, R., and Hoffmann, L.: Harmonisation of sixteen tropospheric ozone satellite data records, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-3746, in review, 2025.

2024

Arosio, C., Sofieva, V., Orfanoz-Cheuquelaf, A., Rozanov, A., Heue, K.-P., Malina, E., Stauffer, R. M., Tarasick, D., Van Malderen, R., Ziemke, J. R., and Weber, M.: Inter-comparison of tropospheric ozone column datasets from combined nadir and limb satellite observations, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-3737, in review, 2024.

Gaudel, A., Bourgeois, I., Li, M., Chang, K.-L., Ziemke, J., Sauvage, B., Stauffer, R. M., Thompson, A. M., Kollonige, D. E., Smith, N., Hubert, D., Keppens, A., Cuesta, J., Heue, K.-P., Veefkind, P., Aikin, K., Peischl, J., Thompson, C. R., Ryerson, T. B., Frost, G. J., McDonald, B. C., and Cooper, O. R.: Tropical tropospheric ozone distribution and trends from in situ and satellite data, Atmos. Chem. Phys., 24, 9975–10000, https://doi.org/10.5194/acp-24-9975-2024, 2024.

Maratt Satheesan, S., Eichmann, K.-U., Burrows, J. P., Weber, M., Stauffer, R., Thompson, A. M., and Kollonige, D.: Improved convective cloud differential (CCD) tropospheric ozone from S5P-TROPOMI satellite data using local cloud fields, Atmos. Meas. Tech., 17, 6459–6484, https://doi.org/10.5194/amt-17-6459-2024, 2024.

Orfanoz-Cheuquelaf, A., Arosio, C., Rozanov, A., Weber, M., Ladstätter-Weißenmayer, A., Burrows, J. P., Thompson, A. M., Stauffer, R. M., and Kollonige, D. E.: Tropospheric ozone column dataset from OMPS-LP/OMPS-NM limb–nadir matching, Atmos. Meas. Tech., 17, 1791–1809, https://doi.org/10.5194/amt-17-1791-2024, 2024.

Pimlott, M. A., Pope, R. J., Kerridge, B. J., Siddans, R., Latter, B. G., Ventress, L. J., Feng, W., and Chipperfield, M. P.: Large Reductions in Satellite-Derived and Modelled European Lower Tropospheric Ozone During and After the COVID-19 Pandemic (2020–2022), EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-2736, in review, 2024.

Pimlott, M. A., Pope, R. J., Kerridge, B. J., Siddans, R., Latter, B. G., Feng, W., and Chipperfield, M. P.: Long-term satellite trends of European lower-tropospheric ozone from 1996–2017, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-3717, in review, 2024.

Pope, R. J., O'Connor, F. M., Dalvi, M., Kerridge, B. J., Siddans, R., Latter, B. G., Barret, B., Le Flochmoen, E., Boynard, A., Chipperfield, M. P., Feng, W., Pimlott, M. A., Dhomse, S. S., Retscher, C., Wespes, C., and Rigby, R.: Investigation of the impact of satellite vertical sensitivity on long-term retrieved lower-tropospheric ozone trends, Atmos. Chem. Phys., 24, 9177–9195, https://doi.org/10.5194/acp-24-9177-2024, 2024.

Pope, R. J., Rap, A., Pimlott, M. A., Barret, B., Le Flochmoen, E., Kerridge, B. J., Siddans, R., Latter, B. G., Ventress, L. J., Boynard, A., Retscher, C., Feng, W., Rigby, R., Dhomse, S. S., Wespes, C., and Chipperfield, M. P.: Quantifying the tropospheric ozone radiative effect and its temporal evolution in the satellite era, Atmos. Chem. Phys., 24, 3613–3626, https://doi.org/10.5194/acp-24-3613-2024, 2024.

Weber, M., Steinbrecht, W., Arosio, C., van der A, R., Frith, S. M., Anderson, J., Ciasto, L. M., Coldewey-Egbers, M., Davis, S., Degenstein, D., Fioletov, V. E., Froidevaux, L., Hubert, D., Loyola, D., Rozanov, A., Sofieva, V., Tourpali, K., Wang, R., Warnock, T. and Wild, J. D.: Stratospheric ozone [in “State of the Climate in 2023”]. Bull. Amer. Meteor. Soc., 105 (8), S99-S100, https://doi.org/10.1175/2024BAMSStateoftheClimate.1, 2024.

2023

Pope, R. J., Kerridge, B. J., Siddans, R., Latter, B. G., Chipperfield, M. P., Feng, W., Pimlott, M. A., Dhomse, S. S., Retscher, C., and Rigby, R.: Investigation of spatial and temporal variability in lower tropospheric ozone from RAL Space UV–Vis satellite products, Atmos. Chem. Phys., 23, 14933–14947, https://doi.org/10.5194/acp-23-14933-2023, 2023.

Sofieva, V. F., Szelag, M., Tamminen, J., Arosio, C., Rozanov, A., Weber, M., Degenstein, D., Bourassa, A., Zawada, D., Kiefer, M., Laeng, A., Walker, K. A., Sheese, P., Hubert, D., van Roozendael, M., Retscher, C., Damadeo, R., and Lumpe, J. D.: Updated merged SAGE-CCI-OMPS+ dataset for the evaluation of ozone trends in the stratosphere, Atmos. Meas. Tech., 16, 1881–1899, https://doi.org/10.5194/amt-16-1881-2023, 2023.

Weber, M., Steinbrecht, W., Arosio, C., van der A, R., Frith, S. M., Anderson, J., Ciasto, L. M., Coldewey-Egbers, M., Davis, S., Degenstein, D., Fioletov, V. E., Froidevaux, L., Loyola, D., Rozanov, A., Sofieva, V., Tourpali, K., Wang, R., Warnock, T. and Wild, J. D.: Stratospheric ozone [in “State of the Climate in 2022”]. Bull. Amer. Meteor. Soc., 104 (9), S94-S96, https://doi.org/10.1175/BAMS-D-23-0090.1, 2023.

2022

Coldewey-Egbers, M., Loyola, D. G., Lerot, C., and Van Roozendael, M.: Global, regional and seasonal analysis of total ozone trends derived from the 1995–2020 GTO-ECV climate data record, Atmos. Chem. Phys., 22, 6861–6878, https://doi.org/10.5194/acp-22-6861-2022, 2022.

Godin-Beekmann, S., Azouz, N., Sofieva, V. F., Hubert, D., Petropavlovskikh, I., Effertz, P., Ancellet, G., Degenstein, D. A., Zawada, D., Froidevaux, L., Frith, S., Wild, J., Davis, S., Steinbrecht, W., Leblanc, T., Querel, R., Tourpali, K., Damadeo, R., Maillard Barras, E., Stübi, R., Vigouroux, C., Arosio, C., Nedoluha, G., Boyd, I., Van Malderen, R., Mahieu, E., Smale, D., and Sussmann, R.: Updated trends of the stratospheric ozone vertical distribution in the 60° S–60° N latitude range based on the LOTUS regression model, Atmos. Chem. Phys., 22, 11657–11673, https://doi.org/10.5194/acp-22-11657-2022, 2022.

Hassler, B. and P. J. Young (Lead Authors), W. T. Ball, R. Damadeo, J. Keeble, E. Maillard Barras, V. Sofieva and G. Zeng, Update on Global Ozone: Past, Present, and Future, Chapter 3 in Scientific Assessment of Ozone Depletion: 2022, GAW Report No. 278, 509 pp., https://csl.noaa.gov/assessments/ozone/2022, WMO, Geneva, 2022.

Keppens, A., Compernolle, S., Hubert, D., Verhoelst, T., Granville, J., and Lambert, J.-C.: Removing Prior Information from Remotely Sensed Atmospheric Profiles by Wiener Deconvolution Based on the Complete Data Fusion Framework, Remote Sens., 14, 2197, https://doi.org/10.3390/rs14092197, 2022.

Mettig, N., Weber, M., Rozanov, A., Burrows, J. P., Veefkind, P., Thompson, A. M., Stauffer, R. M., Leblanc, T., Ancellet, G., Newchurch, M. J., Kuang, S., Kivi, R., Tully, M. B., Van Malderen, R., Piters, A., Kois, B., Stübi, R., and Skrivankova, P.: Combined UV and IR ozone profile retrieval from TROPOMI and CrIS measurements, Atmos. Meas. Tech., 15, 2955-2978, https://doi.org/10.5194/amt-15-2955-2022, 2022.

Sofieva, V. F., Hänninen, R., Sofiev, M., Szeląg, M., Lee, H. S., Tamminen, J., and Retscher, C.: Synergy of Using Nadir and Limb Instruments for Tropospheric Ozone Monitoring (SUNLIT), Atmos. Meas. Tech., 15, 3193–3212, https://doi.org/10.5194/amt-15-3193-2022, 2022.

Weber, M., Arosio, C., Coldewey-Egbers, M., Fioletov, V. E., Frith, S. M., Wild, J. D., Tourpali, K., Burrows, J. P., and Loyola, D.: Global total ozone recovery trends attributed to ozone-depleting substance (ODS) changes derived from five merged ozone datasets, Atmos. Chem. Phys., 22, 6843-6859, https://doi.org/10.5194/acp-22-6843-2022, 2022.

Weber, M., Steinbrecht, W., Arosio, C., van der A, R., Frith, S. M., Anderson, J., Ciasto, L. M., Coldewey-Egbers, M., Davis, S., Degenstein, D., Fioletov, V. E., Froidevaux, L., Hubert, D., Loyola, D., Roth, C., Rozanov, A., Sofieva, V., Tourpali, K., Wang, R., and Wild, J. D.: Stratospheric ozone [in “State of the Climate in 2021”], Bull. Amer. Meteor. Soc., 103 (8), S90-S92, https://doi.org/10.1175/2022BAMSStateoftheClimate.1, August 2022.

2021

Dameris, M., Loyola, D. G., Nützel, M., Coldewey-Egbers, M., Lerot, C., Romahn, F., and van Roozendael, M.: Record low ozone values over the Arctic in boreal spring 2020, Atmos. Chem. Phys., 21, 617–633, https://doi.org/10.5194/acp-21-617-2021, 2021.

Dameris, M., van Roozendael, M., van Weele, M., Coldewey-Egbers, M., Sofieva, V., Lambert, J.-C., Hubert, D., Kalb, N., and Retscher, C., Short report of the ESA Ozone_cci+ User Workshop (16-17 March 2021), SPARC newsletter n°57, 31-35, https://www.aparc-climate.org/publications/newsletter, 2021.

Hubert, D., Heue, K.-P., Lambert, J.-C., Verhoelst, T., Allaart, M., Compernolle, S., Cullis, P. D., Dehn, A., Félix, C., Johnson, B. J., Keppens, A., Kollonige, D. E., Lerot, C., Loyola, D., Maata, M., Mitro, S., Mohamad, M., Piters, A., Romahn, F., Selkirk, H. B., da Silva, F. R., Stauffer, R. M., Thompson, A. M., Veefkind, J. P., Vömel, H., Witte, J. C., and Zehner, C.: TROPOMI tropospheric ozone column data: geophysical assessment and comparison to ozonesondes, GOME-2B and OMI, Atmos. Meas. Tech., 14, 7405–7433, https://doi.org/10.5194/amt-14-7405-2021, 2021.

Mettig, N., Weber, M., Rozanov, A., Arosio, C., Burrows, J. P., Veefkind, P., Thompson, A. M., Querel, R., Leblanc, T., Godin-Beekmann, S., Kivi, R., and Tully, M. B.: Ozone profile retrieval from nadir TROPOMI measurements in the UV range, Atmos. Meas. Tech., 14, 6057–6082, https://doi.org/10.5194/amt-14-6057-2021, 2021.

Orfanoz-Cheuquelaf, A., Rozanov, A., Weber, M., Arosio, C., Ladstätter-Weißenmayer, A., and Burrows, J. P.: Total ozone column from Ozone Mapping and Profiler Suite Nadir Mapper (OMPS-NM) measurements using the broadband weighting function fitting approach (WFFA), Atmos. Meas. Tech., 14, 5771–5789, https://doi.org/10.5194/amt-14-5771-2021, 2021.

Sofieva, V. F., Szeląg, M., Tamminen, J., Kyrölä, E., Degenstein, D., Roth, C., Zawada, D., Rozanov, A., Arosio, C., Burrows, J. P., Weber, M., Laeng, A., Stiller, G. P., von Clarmann, T., Froidevaux, L., Livesey, N., van Roozendael, M., and Retscher, C.: Measurement report: regional trends of stratospheric ozone evaluated using the MErged GRIdded Dataset of Ozone Profiles (MEGRIDOP), Atmos. Chem. Phys., 21, 6707–6720, https://doi.org/10.5194/acp-21-6707-2021, 2021.

Sofieva, V. F., Lee, H. S., Tamminen, J., Lerot, C., Romahn, F., and Loyola, D. G.: A method for random uncertainties validation and probing the natural variability with application to TROPOMI on board Sentinel-5P total ozone measurements, Atmos. Meas. Tech., 14, 2993–3002, https://doi.org/10.5194/amt-14-2993-2021, 2021.

Weber M., Steinbrecht W., Arosio C., van der A R., Frith S. M., Anderson J., Castia L., Coldewey-Egbers M., Davis S., Degenstein D., Fioletov V. E., Froidevaux L., Hubert D., Loyola D., Roth C., Rozanov A., Sofieva V., Tourpali K., Wang R., Wild J. D. : Stratospheric ozone [in “State of the Climate in 2020“]. Bull. Amer. Meteor., 102 (8), S92–S95, https://doi.org/10.1175/BAMS-D-21-0098.1, 2021.

2020

Coldewey-Egbers, M., Loyola, D. G., Labow, G., and Frith, S. M.: Comparison of GTO-ECV and adjusted MERRA-2 total ozone columns from the last 2 decades and assessment of interannual variability, Atmos. Meas. Tech., 13, 1633–1654, https://doi.org/10.5194/amt-13-1633-2020, 2020.

Loyola, D. G., Xu, J., Heue, K.-P., and Zimmer, W.: Applying FP_ILM to the retrieval of geometry-dependent effective Lambertian equivalent reflectivity (GE_LER) daily maps from UVN satellite measurements, Atmos. Meas. Tech., 13, 985–999, https://doi.org/10.5194/amt-13-985-2020, 2020.

Paschou, P., Koukouli, M.-E., Balis, D., Lerot, C., and M. Van Roozendael: The effect of considering polar vortex dynamics in the validation of satellite total ozone observations. Atmospheric Research, 238, 104870, https://doi.org/https://doi.org/10.1016/j.atmosres.2020.104870, 2020.

Sofiev, M., Kouznetsov, R., Hänninen, R., and Sofieva, V. F.: Technical note: Intermittent reduction of the stratospheric ozone over northern Europe caused by a storm in the Atlantic Ocean, Atmos. Chem. Phys., 20, 1839–1847, https://doi.org/10.5194/acp-20-1839-2020, 2020.

Szeląg, M. E., Sofieva, V. F., Degenstein, D., Roth, C., Davis, S., and Froidevaux, L.: Seasonal stratospheric ozone trends over 2000–2018 derived from several merged data sets, Atmos. Chem. Phys., 20, 7035–7047, https://doi.org/10.5194/acp-20-7035-2020, 2020.

Weber, M., W. Steinbrecht, C. Arosio, R. van der A, S. M. Frith, J. Anderson, M. Coldewey-Egbers, S. Davis, D. Degenstein, V. E. Fioletov, L. Froidevaux, D. Hubert, C. S. Long, D. Loyola, A. Rozanov, C. Roth, V. Sofieva, K. Tourpali, R. Wang, and J. D. Wild: Stratospheric ozone [in “State of the Climate in 2019"]. Bull. Amer. Meteor., 101 (8), S78–S81, https://doi.org/10.1175/BAMS-D-20-0104.1, 2020.

2019

Arosio, C., Rozanov, A., Malinina, E., Weber, M., and Burrows, J. P.: Merging of ozone profiles from SCIAMACHY, OMPS and SAGE II observations to study stratospheric ozone changes, Atmos. Meas. Tech., 12, 2423–2444, https://doi.org/10.5194/amt-12-2423-2019, 2019.

Galytska, E., Rozanov, A., Chipperfield, M. P., Dhomse, Sandip. S., Weber, M., Arosio, C., Feng, W., and Burrows, J. P.: Dynamically controlled ozone decline in the tropical mid-stratosphere observed by SCIAMACHY, Atmos. Chem. Phys., 19, 767-783, https://doi.org/10.5194/acp-19-767-2019, 2019.

Garane, K., Koukouli, M.-E., Verhoelst, T., Lerot, C., Heue, K.-P., Fioletov, V., Balis, D., Bais, A., Bazureau, A., Dehn, A., Goutail, F., Granville, J., Griffin, D., Hubert, D., Keppens, A., Lambert, J.-C., Loyola, D., McLinden, C., Pazmino, A., Pommereau, J.-P., Redondas, A., Romahn, F., Valks, P., Van Roozendael, M., Xu, J., Zehner, C., Zerefos, C., and Zimmer, W.: TROPOMI/S5P total ozone column data: global ground-based validation and consistency with other satellite missions, Atmos. Meas. Tech., 12, 5263–5287, https://doi.org/10.5194/amt-12-5263-2019, 2019.

Inness, A., Flemming, J., Heue, K.-P., Lerot, C., Loyola, D., Ribas, R., Valks, P., van Roozendael, M., Xu, J., and Zimmer, W.: Monitoring and assimilation tests with TROPOMI data in the CAMS system: near-real-time total column ozone, Atmos. Chem. Phys., 19, 3939–3962, https://doi.org/10.5194/acp-19-3939-2019, 2019.

Keppens, A., Compernolle, S., Verhoelst, T., Hubert, D., and Lambert, J.-C.: Harmonization and comparison of vertically resolved atmospheric state observations: methods, effects, and uncertainty budget, Atmos. Meas. Tech., 12, 4379–4391, https://doi.org/10.5194/amt-12-4379-2019, 2019.

SPARC/IO3C/GAW, 2019: SPARC/IO3C/GAW Report on Long-term Ozone Trends and Uncertainties in the Stratosphere. I. Petropavlovskikh, S. Godin-Beekmann, D. Hubert, R. Damadeo, B. Hassler, V. Sofieva (Eds.), SPARC Report No. 9, GAW Report No. 241, WCRP-17/2018, https://doi.org/10.17874/f899e57a20b, available at www.sparc-climate.org/publications/sparc-reports.

van Peet, J. C. A. and van der A, R. J.: Deriving tropospheric ozone from assimilated profiles, Atmos. Chem. Phys., 19, 8297-8309, https://doi.org/10.5194/acp-19-8297-2019, 2019.

Weber, M., Steinbrecht, W., Arosio, C., van der A, R., Frith, S. M., Anderson, J., Coldewey-Egbers, M., Davis, S., Degenstein, D., Fioletov, V. E., Froidevaux, L., Hubert, D., Long, C. S., Loyola, D., Rozanov, A., Roth, C., Sofieva, V., Tourpali, K., Wang, R. and Wild, J. D.: Stratospheric ozone [in “State of the Climate in 2018”]. Bull. Amer. Meteor. Soc., S54-56, Vol. 100, No. 9, https://doi.org/10.1175/BAMSD-20-0104.1, 2019.

Wespes, C., Hurtmans, D., Chabrillat, S., Ronsmans, G., Clerbaux, C., and Coheur, P.-F.: Is the recovery of stratospheric O3 speeding up in the Southern Hemisphere? An evaluation from the first IASI decadal record (2008–2017), Atmos. Chem. Phys., 19, 14031–14056, https://doi.org/10.5194/acp-19-14031-2019, 2019.

2018

Arosio, C., Rozanov, A., Malinina, E., Eichmann, K.-U., von Clarmann, T., and Burrows, J. P.: Retrieval of ozone profiles from OMPS limb scattering observations, Atmos. Meas. Tech., 11, 2135-2149, https://doi.org/10.5194/amt-11-2135-2018, 2018. 

Ball, W. T., Alsing, J., Mortlock, D. J., Staehelin, J., Haigh, J. D., Peter, T., Tummon, F., Stübi, R., Stenke, A., Anderson, J., Bourassa, A., Davis, S. M., Degenstein, D., Frith, S., Froidevaux, L., Roth, C., Sofieva, V., Wang, R., Wild, J., Yu, P., Ziemke, J. R., and Rozanov, E. V.: Evidence for a continuous decline in lower stratospheric ozone offsetting ozone layer recovery, Atmos. Chem. Phys., 18, 1379-1394, https://doi.org/10.5194/acp-18-1379-2018, 2018.

Braesicke, P. and J. Neu (Lead Authors), V. Fioletov, S. Godin-Beekmann, D. Hubert, I. Petropavlovskikh, M. Shiotani, and B.-M. Sinnhuber, Update on Global Ozone: Past, Present, and Future, Chapter 3 in Scientific Assessment of Ozone Depletion: 2018, Global Ozone Research and Monitoring Project–Report No. 58, WMO, Geneva, Switzerland, https://csl.noaa.gov/assessments/ozone/2018, 2018.

Boynard, A., Hurtmans, D., Garane, K., Goutail, F., Hadji-Lazaro, J., Koukouli, M. E., Wespes, C., Vigouroux, C., Keppens, A., Pommereau, J.-P., Pazmino, A., Balis, D., Loyola, D., Valks, P., Sussmann, R., Smale, D., Coheur, P.-F., and Clerbaux, C.: Validation of the IASI FORLI/EUMETSAT ozone products using satellite (GOME-2), ground-based (Brewer–Dobson, SAOZ, FTIR) and ozonesonde measurements, Atmos. Meas. Tech., 11, 5125-5152, https://doi.org/10.5194/amt-11-5125-2018, 2018.

Garane, K., Lerot, C., Coldewey-Egbers, M., Verhoelst, T., Koukouli, M. E., Zyrichidou, I., Balis, D. S., Danckaert, T., Goutail, F., Granville, J., Hubert, D., Keppens, A., Lambert, J.-C., Loyola, D., Pommereau, J.-P., Van Roozendael, M., and Zehner, C.: Quality assessment of the Ozone_cci Climate Research Data Package (release 2017) – Part 1: Ground-based validation of total ozone column data products, Atmos. Meas. Tech., 11, 1385-1402, https://doi.org/10.5194/amt-11-1385-2018, 2018.

Gaudel, A, et al.: Ozone Assessment Report: Present-day distribution and trends of tropospheric ozone relevant to climate and global atmospheric chemistry model evaluation. Elem Sci An th, 6: 39, https://doi.org/10.1525/elementa.291, 2018.

Keppens, A., Lambert, J.-C., Granville, J., Hubert, D., Verhoelst, T., Compernolle, S., Latter, B., Kerridge, B., Siddans, R., Boynard, A., Hadji-Lazaro, J., Clerbaux, C., Wespes, C., Hurtmans, D. R., Coheur, P.-F., van Peet, J. C. A., van der A, R. J., Garane, K., Koukouli, M. E., Balis, D. S., Delcloo, A., Kivi, R., Stübi, R., Godin-Beekmann, S., Van Roozendael, M., and Zehner, C.: Quality assessment of the Ozone_cci Climate Research Data Package (release 2017) – Part 2: Ground-based validation of nadir ozone profile data products, Atmos. Meas. Tech., 11, 3769-3800, https://doi.org/10.5194/amt-11-3769-2018, 2018.

van Peet, J. C. A., van der A, R. J., Kelder, H. M., and Levelt, P. F.: Simultaneous assimilation of ozone profiles from multiple UV-VIS satellite instruments, Atmos. Chem. Phys., 18, 1685-1704, https://doi.org/10.5194/acp-18-1685-2018, 2018.

Weber, M., Coldewey-Egbers, M., Fioletov, V. E., Frith, S. M., Wild, J. D., Burrows, J. P., Long, C. S., and Loyola, D.: Total ozone trends from 1979 to 2016 derived from five merged observational datasets – the emergence into ozone recovery, Atmos. Chem. Phys., 18, 2097-2117, https://doi.org/10.5194/acp-18-2097-2018, 2018.

Weber, M., Steinbrecht, W., van der A, R., Frith, S. M., Anderson, J., Coldewey-Egbers, M., Davis, S., Degenstein, D., Fioletov, V. E., Froidevaux, L., Hubert, D., de Laat, J., Long, C. S., Loyola, D., Sofieva, V., Tourpali, K., Roth, C., Wang, R., and Wild, J. D.: Stratospheric ozone [in "State of the Climate in 2017"], Bull. Amer. Meteor. Soc., 99, S51-S54, https://doi.org/10.1175/2018BAMSStateoftheClimate.1, 2018.

2017

Chipperfield, M. P., Bekki, S., Dhomse, S., Harris, N. R. P., Hassler, B., Hossaini, R., Steinbrecht, W., Thiéblemont, R. and Weber, M.: Detecting recovery of the stratospheric ozone layer, Nature, 549, 211–218, https://doi.org/10.1038/nature23681, 2017.

de Laat, A. T. J., van Weele, M., and van der A, R. J., Onset of stratospheric ozone recovery in the Antarctic ozone hole in assimilated daily total ozone columns. Journal of Geophysical Research: Atmospheres, 122, 11,880–11,899. https://doi.org/10.1002/2016JD025723, 2017

Lauer, A., V. Eyring, M. Righi, M. Buchwitz, P. Defourny, M. Evaldsson, P. Friedlingstein, R. de Jeu, G. de Leeuw, A. Loew, C. J. Merchant, B. Müller; T. Popp, M. Reuter, S. Sandven, D. Senftleben, M. Stengel, M. Van Roozendael, S. Wenzel, U. Willén, Benchmarking CMIP5 models with a subset of ESA CCI Phase 2 data using the ESMValTool, Remote Sens. Environ., http://doi.org/10.1016/j.rse.2017.01.007, 2017.

Merchant, C. J., Paul, F., Popp, T., Ablain, M., Bontemps, S., Defourny, P., Hollmann, R., Lavergne, T., Laeng, A., de Leeuw, G., Mittaz, J., Poulsen, C., Povey, A. C., Reuter, M., Sathyendranath, S., Sandven, S., Sofieva, V. F., and Wagner, W.: Uncertainty information in climate data records from Earth observation, Earth Syst. Sci. Data, 9, 511-527, https://doi.org/10.5194/essd-9-511-2017, 2017.

Sofieva, V. F., Kyrölä, E., Laine, M., Tamminen, J., Degenstein, D., Bourassa, A., Roth, C., Zawada, D., Weber, M., Rozanov, A., Rahpoe, N., Stiller, G., Laeng, A., von Clarmann, T., Walker, K. A., Sheese, P., Hubert, D., van Roozendael, M., Zehner, C., Damadeo, R., Zawodny, J., Kramarova, N., and Bhartia, P. K.: Merged SAGE II, Ozone_cci and OMPS ozone profile dataset and evaluation of ozone trends in the stratosphere, Atmos. Chem. Phys., 17, 12533-12552, https://doi.org/10.5194/acp-17-12533-2017, 2017. 

Weber, M., W. Steinbrecht, S. M. Frith, O. Tweedy, M. Coldewey-Egbers, S. Davis, D. Degenstein, Y. E. Fioletov, L. Froidevaux, J. de Laat, C. S. Long, D. Loyola, C. Roth, and J. D. Wild, Stratospheric ozone [in "State of the Climate in 2016"], Bull. Amer. Meteor. Soc., 98, S49-S51, https://doi.org/10.1175/2017BAMSStateoftheClimate.1, 2017.

2016

Boynard, A., Hurtmans, D., Koukouli, M. E., Goutail, F., Bureau, J., Safieddine, S., Lerot, C., Hadji-Lazaro, J., Wespes, C., Pommereau, J.-P., Pazmino, A., Zyrichidou, I., Balis, D., Barbe, A., Mikhailenko, S. N., Loyola, D., Valks, P., Van Roozendael, M., Coheur, P.-F., and Clerbaux, C.: Seven years of IASI ozone retrievals from FORLI: validation with independent total column and vertical profile measurements, Atmos. Meas. Tech., 9, 4327-4353, https://doi.org/10.5194/amt-9-4327-2016, 2016.

Dragani, R.: A comparative analysis of UV nadir-backscatter and infrared limb-emission ozone data assimilation, Atmos. Chem. Phys., 16, 8539-8557, https://doi.org/10.5194/acp-16-8539-2016, 2016.

Heue, K.-P., Coldewey-Egbers, M., Delcloo, A., Lerot, C., Loyola, D., Valks, P., and van Roozendael, M.: Trends of tropical tropospheric ozone from 20 years of European satellite measurements and perspectives for the Sentinel-5 Precursor, Atmos. Meas. Tech., 9, 5037-5051, https://doi.org/10.5194/amt-9-5037-2016, 2016.

Hubert, D., Lambert, J.-C., Verhoelst, T., Granville, J., Keppens, A., Baray, J.-L., Bourassa, A. E., Cortesi, U., Degenstein, D. A., Froidevaux, L., Godin-Beekmann, S., Hoppel, K. W., Johnson, B. J., Kyrölä, E., Leblanc, T., Lichtenberg, G., Marchand, M., McElroy, C. T., Murtagh, D., Nakane, H., Portafaix, T., Querel, R., Russell III, J. M., Salvador, J., Smit, H. G. J., Stebel, K., Steinbrecht, W., Strawbridge, K. B., Stübi, R., Swart, D. P. J., Taha, G., Tarasick, D. W., Thompson, A. M., Urban, J., van Gijsel, J. A. E., Van Malderen, R., von der Gathen, P., Walker, K. A., Wolfram, E., and Zawodny, J. M.: Ground-based assessment of the bias and long-term stability of 14 limb and occultation ozone profile data records, Atmos. Meas. Tech., 9, 2497-2534, https://doi.org/10.5194/amt-9-2497-2016, 2016.

Kauppi, A., Tuinder, O. N. E., Tukiainen, S., Sofieva, V., and Tamminen, J.: Comparison of GOME-2/Metop-A ozone profiles with GOMOS, OSIRIS and MLS measurements, Atmos. Meas. Tech., 9, 249-261, https://doi.org/10.5194/amt-9-249-2016, 2016.

Koukouli, M. E., Zara, M., Lerot, C., Fragkos, K., Balis, D., van Roozendael, M., Allart, M. A. F., and van der A, R. J.: The impact of the ozone effective temperature on satellite validation using the Dobson spectrophotometer network, Atmos. Meas. Tech., 9, 2055-2065, https://doi.org/10.5194/amt-9-2055-2016, 2016.

Meul, S., M. Dameris, U. Langematz, J. Abalichin, A. Kerschbaumer, A. Kubin, and S. Oberländer-Hayn, Impact of rising greenhouse gas concentrations on future tropical ozone and UV exposure, Geophys. Res. Lett., 43, 2919-2927, https://doi.org/10.1002/2016GL067997, 2016.

Safieddine, S., Boynard, A., Hao, N., Huang, F., Wang, L., Ji, D., Barret, B., Ghude, S. D., Coheur, P.-F., Hurtmans, D., and Clerbaux, C.: Tropospheric ozone variability during the East Asian summer monsoon as observed by satellite (IASI), aircraft (MOZAIC) and ground stations, Atmos. Chem. Phys., 16, 10489–10500, https://doi.org/10.5194/acp-16-10489-2016, 2016.

Weber, M., W. Steinbrecht, C. Roth, M. Coldewey-Egbers, D. Degenstein, Y. E. Fioletov, S. M. Frith, L. Froidevaux, J. de Laat, C. S. Long, D. Loyola, and J. D. Wild: Stratospheric ozone [in “State of the Climate in 2015”]. Bull. Amer. Meteor. Soc., 97 (8), S49-S51, https://doi.org/10.1175/2016BAMSStateoftheClimate.1, 2016.

Wespes, C., Hurtmans, D., Emmons, L. K., Safieddine, S., Clerbaux, C., Edwards, D. P., and Coheur, P.-F.: Ozone variability in the troposphere and the stratosphere from the first 6 years of IASI observations (2008–2013), Atmos. Chem. Phys., 16, 5721-5743, https://doi.org/10.5194/acp-16-5721-2016, 2016.

2015

Coldewey-Egbers, M., Loyola, D. G., Koukouli, M., Balis, D., Lambert, J.-C., Verhoelst, T., Granville, J., van Roozendael, M., Lerot, C., Spurr, R., Frith, S. M., and Zehner, C.: The GOME-type Total Ozone Essential Climate Variable (GTO-ECV) data record from the ESA Climate Change Initiative, Atmos. Meas. Tech., 8, 3923-3940, https://doi.org/10.5194/amt-8-3923-2015, 2015.

Keppens, A., Lambert, J.-C., Granville, J., Miles, G., Siddans, R., van Peet, J. C. A., van der A, R. J., Hubert, D., Verhoelst, T., Delcloo, A., Godin-Beekmann, S., Kivi, R., Stübi, R., and Zehner, C.: Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2, Atmos. Meas. Tech., 8, 2093-2120, https://doi.org/10.5194/amt-8-2093-2015, 2015.

Koukouli, M., D. Balis, I. Zyrichidou, C. Lerot, M. Van Roozendael,  J-C. Lambert, J. Granville, J-P. Pommereau, F. Goutail, G. Labow, S. Frith, D. Loyola, R. Spurr, and C. Zehner, Evaluating a new homogeneous total ozone climate data record from GOME/ERS-2, SCIAMACHY/Envisat, and GOME-2/MetOp-A, J. Geophys. Res. Atmos., 120(23), 12,212–296,312, https://doi.org/10.1002/2015JD023699, 2015.

Laeng, A.; Hubert, D.; Verhoelst, T.; von Clarmann, T.; Dinelli, B.M.; Dudhia, A.; Raspollini, P.; Stiller, G.; Grabowski, U.; Keppens, A.; Kiefer, M. ; Sofieva, V.; Froidevaux, L.; Walker, K.; Lambert, J.-C.; Zehner, C., The ozone climate change initiative: Comparison of four Level-2 processors for the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS), Remote Sens. Environ., https://doi.org/10.1016/j.rse.2014.12.013, 2015.

Miles, G. M., Siddans, R., Kerridge, B. J., Latter, B. G., and Richards, N. A. D.: Tropospheric ozone and ozone profiles retrieved from GOME-2 and their validation, Atmos. Meas. Tech., 8, 385-398, https://doi.org/10.5194/amt-8-385-2015, 2015.

Rahpoe, N., Weber, M., Rozanov, A. V., Weigel, K., Bovensmann, H., Burrows, J. P., Laeng, A., Stiller, G., von Clarmann, T., Kyrölä, E., Sofieva, V. F., Tamminen, J., Walker, K., Degenstein, D., Bourassa, A. E., Hargreaves, R., Bernath, P., Urban, J., and Murtagh, D. P., Relative drifts and biases between six ozone limb satellite measurements from the last decade, Atmos. Meas. Tech., 8, 4369-4381, https://doi.org/10.5194/amt-8-4369-2015, 2015.

Sheese, P. E., Boone, C. D., and Walker, K. A.: Detecting physically unrealistic outliers in ACE-FTS atmospheric measurements, Atmos. Meas. Tech., 8, 741–750, https://doi.org/10.5194/amt-8-741-2015, 2015.

van der A, R. J., Allaart, M. A. F., and Eskes, H. J.: Extended and refined multi sensor reanalysis of total ozone for the period 1970–2012, Atmos. Meas. Tech., 8, 3021–3035, https://doi.org/10.5194/amt-8-3021-2015, 2015.

Verhoelst, T., Granville, J., Hendrick, F., Köhler, U., Lerot, C., Pommereau, J.-P., Redondas, A., Van Roozendael, M., and Lambert, J.-C.: Metrology of ground-based satellite validation: co-location mismatch and smoothing issues of total ozone comparisons, Atmos. Meas. Tech., 8, 5039–5062, https://doi.org/10.5194/amt-8-5039-2015, 2015.

Weber, M., W. Steinbrecht, C. Roth, M. Coldewey-Egbers, R. J. van der A, D. Degenstein, V. E. Fioletov, S. M. Frith, L. Froidevaux, C. S. Long, D. Loyola, and J. D. Wild: Stratospheric ozone [in “State of the Climate in 2014”]. Bull. Amer. Meteor. Soc., 96 (7), S44-S46, https://doi.org/10.1175/2015BAMSStateoftheClimate.1, 2015.

Zhang, Y., Y. Liu, C. Liu, and V. F. Sofieva: Satellite measurements of the Madden–Julian oscillation in wintertime stratospheric ozone over the Tibetan Plateau and East Asia, Adv. Atmos. Sci., 32(11), 1481–1492, https://doi.org/10.1007/s00376-015-5005-y, 2015.

2014

Adams, C., A. E. Bourassa, V. Sofieva, L. Froidevaux, C. A. McLinden, D. Hubert, J. -C. Lambert, C. E. Sioris, and D. A. Degenstein, Assessment of Odin-OSIRIS ozone measurements from 2001 to the present using MLS, GOMOS, and ozone sondes, Atmos. Meas. Tech., 7, 49-64, https://doi.org/10.5194/amt-7-49-2014, 2014.

Aschmann, J., Burrows, J. P., Gebhardt, C., Rozanov, A., Hommel, R., Weber, M., and Thompson, A. M., On the hiatus in the acceleration of tropical upwelling since the beginning of the 21st century, Atmos. Chem. Phys., 14, 12803-12814, https://doi.org/10.5194/acp-14-12803-2014, 2014.

Chiou, E. W., Bhartia, P. K., McPeters, R. D., Loyola, D. G., Coldewey-Egbers, M., Fioletov, V. E., Van Roozendael, M., Spurr, R., Lerot, C., and Frith, S. M.: Comparison of profile total ozone from SBUV (v8.6) with GOME-type and ground-based total ozone for a 16-year period (1996 to 2011), Atmos. Meas. Tech., 7, 1681-1692, https://doi.org/10.5194/amt-7-1681-2014, 2014.

Coldewey-Egbers, M., Loyola R., D. G., Braesicke, P., Dameris, M., Van Roozendael, M., Lerot, C., and Zimmer, W., A new health check of the ozone layer at global and regional scales. Geophysical Research Letters, Vol.41, pp. 4363-4372, https://doi.org/10.1002/2014GL060212, 2014.

Ebojie, F., von Savigny, C., Ladstätter-Weißenmayer, A., Rozanov, A., Weber, M., Eichmann, K., Bötel, S., Rahpoe, N., Bovensmann, H., and Burrows, J. P., Tropospheric column amount of ozone retrieved from SCIAMACHY limb-nadir-matching observations, Atmos. Meas. Tech., 7, 2073-2096, https://doi.org/10.5194/amt-7-2073-2014, 2014.

Eckert, E., T. von Clarmann, M. Kiefer, G. P. Stiller, S. Lossow, N. Glatthor, D. A. Degenstein, L. Froidevaux, S. Godin-Beekmann, T. Leblanc, S. McDermid, M. Pastel, W. Steinbrecht, D. P. J. Swart, K. A. Walker, and P. F. Bernath, Drift-corrected trends and periodic variations in MIPAS IMK/IAA ozone measurements, Atmos. Chem. Phys., 14, 2571-2589, https://doi.org/10.5194/acp-14-2571-2014, 2014.

Gebhardt, C., Rozanov, A., Hommel, R., Weber, M., Bovensmann, H., Burrows, J. P., Degenstein, D., Froidevaux, L., and Thompson, A. M., Stratospheric ozone trends and variability as seen by SCIAMACHY during the last decade, Atmos. Chem. Phys., 14, 831-846, https://doi.org/10.5194/acp-14-831-2014, 2014.

Laeng, A., Grabowski, U., von Clarmann, T., Stiller, G., Glatthor, N., Höpfner, M., Kellmann, S., Kiefer, M., Linden, A., Lossow, S., Sofieva, V., Petropavlovskikh, I., Hubert, D., Bathgate, T., Bernath, P., Boone, C. D., Clerbaux, C., Coheur, P., Damadeo, R., Degenstein, D., Frith, S., Froidevaux, L., Gille, J., Hoppel, K., McHugh, M., Kasai, Y., Lumpe, J., Rahpoe, N., Toon, G., Sano, T., Suzuki, M., Tamminen, J., Urban, J., Walker, K., Weber, M., and Zawodny, J., Validation of MIPAS IMK/IAA V5R_O3_224 ozone profiles, Atmos. Meas. Tech., 7, 3971-3987, https://doi.org/10.5194/amt-7-3971-2014, 2014.

Lerot, C., M. Van Roozendael, R. Spurr, D. Loyola, M. Coldewey-Egbers, S. Kochenova, J. van Gent, M. Koukouli, D. Balis, J.-C. Lambert, J. Granville, C. Zehner, Homogenized total ozone data records from the European sensors GOME/ERS-2, SCIAMACHY/Envisat and GOME-2/Metop-A, J. Geophys. Res., 119, 1–20, https://doi.org/10.1002/2013JD020831, 2014.

Pawson, S., and W. Steinbrecht (Lead Authors), A.J. Charlton-Perez, M. Fujiwara, A.Yu. Karpechko, I. Petropavlovskikh, J. Urban, and M. Weber, Update on global ozone: Past, present, and future, Chapter 2 in Scientific Assessment of Ozone Depletion: 2014, Global Ozone Research and Monitoring Project – Report No. 55, World Meteorological Organization, Geneva, Switzerland, https://csl.noaa.gov/assessments/ozone/2014, 2014.

Safieddine, S., Boynard, A., Coheur, P.-F., Hurtmans, D., Pfister, G., Quennehen, B., Thomas, J. L., Raut, J.-C., Law, K. S., Klimont, Z., Hadji-Lazaro, J., George, M., and Clerbaux, C.: Summertime tropospheric ozone assessment over the Mediterranean region using the thermal infrared IASI/MetOp sounder and the WRF-Chem model, Atmos. Chem. Phys., 14, 10119-10131, https://doi.org/10.5194/acp-14-10119-2014, 2014.

Sioris, C. E., McLinden, C. A., Fioletov, V. E., Adams, C., Zawodny, J. M., Bourassa, A. E., Roth, C. Z., and Degenstein, D. A.: Trend and variability in ozone in the tropical lower stratosphere over 2.5 solar cycles observed by SAGE II and OSIRIS, Atmos. Chem. Phys., 14, 3479–3496, https://doi.org/10.5194/acp-14-3479-2014, 2014.

Sofieva, V. F., Tamminen, J., Kyrölä, E., Mielonen, T., Veefkind, P., Hassler, B., and Bodeker, G.E.: A novel tropopause-related climatology of ozone profiles, Atmos. Chem. Phys., 14, 283-299, https://doi.org/10.5194/acp-14-283-2014, 2014.

Sofieva, V. F., Kalakoski, N., Päivärinta, S.-M., Tamminen, J., Laine, M., and Froidevaux, L.: On sampling uncertainty of satellite ozone profile measurements, Atmos. Meas. Tech., 7, 1891-1900, https://doi.org/10.5194/amt-7-1891-2014, 2014.

Sofieva, V. F., Tamminen, J., Kyrölä, E., Laeng, A., von Clarmann, T., Dalaudier, F., Hauchecorne, A., Bertaux, J.-L., Barrot, G., Blanot, L., Fussen, D. and Vanhellemont, F.: Validation of GOMOS ozone precision estimates in the stratosphere, Atmos. Meas. Tech., 7(7), 2147-2158, https://doi.org/10.5194/amt-7-2147-2014, 2014.

Valks, P., Hao, N., Gimeno Garcia, S., Loyola, D., Dameris, M., Jöckel, P., and Delcloo, A., Tropical tropospheric ozone column retrieval for GOME-2, Atmos. Meas. Tech., 7, 2513-2530, https://doi.org/10.5194/amt-7-2513-2014, 2014.

van Peet, J. C. A., van der A, R. J., Tuinder, O. N. E., Wolfram, E., Salvador, J., Levelt, P. F., and Kelder, H. M.: Ozone ProfilE Retrieval Algorithm (OPERA) for nadir-looking satellite instruments in the UV–VIS, Atmos. Meas. Tech., 7, 859-876, https://doi.org/10.5194/amt-7-859-2014, 2014.

Weber, M., W. Steinbrecht, R. van der A, M. Coldewey-Egbers, V. E. Fioletov, S. M. Frith, C. S. Long, D. Loyola, and J. D. Wild : [Global climate] Stratospheric ozone [in “State of the Climate in 2013”]. Bull. Amer. Meteor. Soc., 95 (7), S38-S40, https://doi.org/10.1175/2014BAMSStateoftheClimate.1, 2014.

2013

Adams, C., Bourassa, A. E., Bathgate, A. F., McLinden, C. A., Lloyd, N. D., Roth, C. Z., Llewellyn, E. J., Zawodny, J. M., Flittner, D. E., Manney, G. L., Daffer, W. H., and Degenstein, D. A.: Characterization of Odin-OSIRIS ozone profiles with the SAGE II dataset, Atmos. Meas. Tech., 6, 1447–1459, https://doi.org/10.5194/amt-6-1447-2013, 2013.

Dameris, M. and P. Jöckel, Numerical modeling of climate-chemistry connections: Recent developments and future challenges, Atmosphere, 4, 132-156, https://doi.org/10.3390/atmos4020132, 2013.

Kyrölä, E., M. Laine, V. Sofieva, J. Tamminen, S.-M. Päivärinta, S. Tukiainen, J. Zawodny, and L. Thomason, Combined SAGE II-GOMOS ozone profile data set 1984–2011 and trend analysis of the vertical distribution of ozone, Atmos. Chem. Phys., 13, 10645-10658, https://doi.org/10.5194/acp-13-10645-2013, 2013.

Rahpoe, N., von Savigny, C., Weber, M., Rozanov, A.V., Bovensmann, H., and Burrows, J. P.: Error budget analysis of SCIAMACHY limb ozone profile retrievals using the SCIATRAN model, Atmos. Meas. Tech., 6, 2825-2837, https://doi.org/10.5194/amt-6-2825-2013, 2013.

Richards, N. A. D., Arnold, S. R., Chipperfield, M. P., Miles, G., Rap, A., Siddans, R., Monks, S. A., and Hollaway, M. J.: The Mediterranean summertime ozone maximum: global emission sensitivities and radiative impacts, Atmos. Chem. Phys., 13, 2331–2345, https://doi.org/10.5194/acp-13-2331-2013, 2013.

Safieddine, S., C. Clerbaux, M. George, J. Hadji-Lazaro, D. Hurtmans, P.-F. Coheur, C. Wespes, D. Loyola, P. Valks, and N. Hao, Tropospheric ozone and nitrogen dioxide measurements in urban and rural regions as seen by IASI and GOME-2, J. Geophys. Res. Atmos., 118, 10,555–10,566, https://doi.org/10.1002/jgrd.50669, 2013.

Sonkaew, T., C. von Savigny, K.-U. Eichmann, M. Weber, A. Rozanov, H. Bovensmann, and J. P. Burrows, Chemical ozone loss in Arctic and Antarctic polar winter/spring season derived from SCIAMACHY limb measurements 2002-2009, Atmos. Chem. Phys., 13, https://doi.org/10.5194/acp-13-1809-2013, 1809-1835, 2013.

Sofieva, V. F., Rahpoe, N., Tamminen, J., Kyrölä, E., Kalakoski, N., Weber, M., Rozanov, A., von Savigny, C., Laeng, A., von Clarmann, T., Stiller, G., Lossow, S., Degenstein, D., Bourassa, A., Adams, C., Roth, C., Lloyd, N., Bernath, P., Hargreaves, R. J., Urban, J., Murtagh, D., Hauchecorne, A., Dalaudier, F., van Roozendael, M., Kalb, N., and Zehner, C.: Harmonized dataset of ozone profiles from satellite limb and occultation measurements, Earth Syst. Sci. Data, 5, 349-363, https://doi.org/10.5194/essd-5-349-2013, 2013.

Spurr, R., C. Lerot, V. Natraj, M. Van Roozendael, D. Loyola, Linearization of the Principal Component Analysis Method for Radiative Transfer Acceleration: Application to Retrieval Algorithms and Sensitivity Studies, Journal of Quantitative Spectroscopy & Radiative Transfer, 125, 1–17, https://doi.org/10.1016/j.jqsrt.2013.04.002, 2013.

2012

Braesicke, P., O. See Hai and A. Abu Samah, Properties of strong off-shore Borneo vortices: a composite analysis of flow pattern and composition as captured by ERA-Interim, Atmosph. Sci. Lett., 13, 128-132, https://doi.org/10.1002/asl.372, 2012.

Cai, D., M. Dameris, H. Garny, and T. Runde, Implications of all season Arctic sea-ice anomalies on the stratosphere, Atmos. Chem. Phys., 12, 11819-11831, https://doi.org/10.5194/acp-12-11819-2012, 2012.

Dameris, M., Loyola D., Recent and future evolution of the stratospheric ozone layer, in Atmospheric Physics: Background - Methods - Trends, U. Schumann (Ed), Springer, ISBN 978-3642301827, pp. 747-762, https://doi.org/10.1007/978-3-642-30183-4_45, 2012.

Dameris, M. and M.P. Baldwin, Impact of climate change on the stratospheric ozone layer, Chapter 8 in Stratospheric Ozone Depletion and Climate Change, Ed. Rolf Müller, Publisher: RSC Publishing, ISBN: 978-84973-318-2, https://doi.org/10.1039/9781849733182-00214, pp. 214-252, 2012.

Dameris, M. and D. Loyola, Recent and future evolution of the stratospheric ozone layer, Chapter 45 in Atmospheric Physics, Background-Methods-Trends, Ed. U. Schumann, Springer Heidelberg New York Dordrecht London, ISBN 978-3-642-30182-7, https://doi.org/10.1007/978-3-642-30183-4, pp.747-761, 2012.

Loyola, D.G., Coldewey-Egbers, M. Multi-sensor data merging with stacked neural networks for the creation of satellite long-term climate data records. EURASIP J. Adv. Signal Process. 2012, 91, https://doi.org/10.1186/1687-6180-2012-91, 2012.

Mieruch, S., M. Weber, C. von Savigny, A. Rozanov, H. Bovensmann, J. P. Burrows, P. F. Bernath, C. D. Boone, L. Froidevaux, L. L. Gordley, M. G. Mlynczak, J. M. Russell III, L. W. Thomason, K. A. Walker, and J. M. Zawodny, Global and long-term comparison of SCIAMACHY limb ozone profiles with correlative satellite data (2002-2008), Atmos. Meas. Tech., 5, 771-788, https://doi.org/10.5194/amt-5-771-2012, 2012.

Miyazaki, K., Eskes, H. J., Sudo, K., Takigawa, M., van Weele, M., and Boersma, K. F.: Simultaneous assimilation of satellite NO2, O3, CO, and HNO3 data for the analysis of tropospheric chemical composition and emissions, Atmos. Chem. Phys., 12, 9545–9579, https://doi.org/10.5194/acp-12-9545-2012, 2012.

Van Roozendael, M., R. Spurr, D. Loyola, C. Lerot, D. Balis, J-C. Lambert, W. Zimmer, J. van Gent, J. van Geffen, M. Koukouli, J. Granville, A. Doicu, C. Fayt, C. Zehner, Sixteen years of GOME/ERS2 total ozone data: the new direct-fitting GOME Data Processor (GDP) Version 5: I. Algorithm Description, J. Geophys. Res., 117, D3, https://doi.org/10.1029/2011JD016471, 2012.

2011

Dameris, M., Loyola D., Chemistry-Climate Connections – Interaction of Physical, Dynamical, and Chemical Processes in Earth Atmosphere, in Climate Change - Geophysical Foundations and Ecological Effects, J. Blanco, H. Kheradmand (Eds), In Tech, ISBN 978-953-307-419-1, pp. 1-26, https://doi.org/10.5772/24210, 2011.

de Laat, A.T.J. and M. van Weele, The 2010 Antarctic ozone hole: Observed reduction in ozone destruction by minor sudden stratospheric warmings, Scientific Reports, 1, 38, 1-8, https://doi.org/10.1038/srep00038, 2011.

2010

Mijling, B., Tuinder, O. N. E., van Oss, R. F., and van der A, R. J.: Improving ozone profile retrieval from spaceborne UV backscatter spectrometers using convergence behaviour diagnostics, Atmos. Meas. Tech., 3, 1555–1568, https://doi.org/10.5194/amt-3-1555-2010, 2010.

News and events

Second Ozone_cci User Workshop

Contacts

The following people can be contacted within the Ozone project.

• Science Leader: Daan Hubert – daan.hubert@aeronomie.be
• Project Manager: Nathalie Kalb – nathalie.kalb@aeronomie.be
• ESA Technical Officer: Michael Eisinger – Michael.Eisinger@esa.int

For general and technical support, please email ozone_CCI@aeronomie.be