We are involved in several international projects that encompasses collaboration with many partner institutes and scientists. They are divided here into international (EU, ESA, etc.) and national (German) projects.

International projects:

  • European Metrology Research Programme (EMRP)/Researcher Excellence Grant (REG), ENV59 Traceability for atmospheric total columne ozone (ATMOZ), 2014-2017.
  • ESA Climate Change Initiative (CCI): Ozone_CCI Phase 2 (Ozone_cci ), 2013-2016.
  • EU, First European Comprehensive Solar Irradiance Data Exploitation, (SOLID, coordinator: Werner Schmutz, PMOD-WRC, Davos), 2012-2015
  • ESA Climate Change Initiative (CCI): Ozone_CCI, (Ozone_cci), 2011-2013.
  • ESA Contract, ESRIN/RFQ/3-13173/10/I-LG, SCIAMACHY Long Term Validation (SCILOV-10), 2011-2013.
  • ESA Contract RFQ/3-12160/07/I-LG, Harmonisation of GOME, SCIAMACHY, GOME-2 Ozone and Nitrogen Dioxide Cross-sections (HARMONICS), 2008-2010
  • ESA Contract ENVI-CL-EOPG-SW-04-0017, SCIAMACHY Long Term Validation (SCILOV), 2005-2009.
  • International Space Science Institute Team (ISSI-Team) "Spectral Interpretation and Modelling of Solar Spectral Irradiance Measurements", 2007-2009.
  • EU, Stratosphere-Climate Links with emphasis on the UTLS (SCOUT-O3, Coordinator: Prof. John Pyle, Univ. Cambridge), 2004-2009.
  • ECMWF, Chemical and dynamical influences on decadal ozone change (SPDECDIO), 2003-2011 (link: ECMWF Special projects)
  • European Union EVK2-CT-2001-00133, Chemical and Dynamical Influences on Decadal Ozone Change (CANDIDOZ, PI Prof. Esko Kyrö, FMI, Finland), 2002-2005.
  • European Space Agency Contract ESRIN 16402/02/I-LG, GOME Total Ozone Column Retrieval Development (GOTOCORD), 2002-2004 (project web page)
  • EUMETSAT Contract EUM/CO/01/901/DK, GOME-2 Error Assessment Study (Coordinator: Dr. Brian Kerridge, RAL, UK), 2001-2004 (Final Report: PDF, 17.4Mb, Executive Summary:PDF, 0.7Mb, Final Report Extension Phase: PDF, 6.7Mb, Executive Summary Extension Phase: PDF, 0.7Mb)
  • Ozone Profile Retrieval from Broadband Nadir UV/VIS satellite spectra: How accurate is the tropospheric profile?, Part of Task Group 1: Development of Algorithms in EUROTRAC-2 Project TROPOSAT - The Use and Usability of Satellite Data for Tropospheric Research, 2000-2002
  • European Union EVK2-2000-00545, Quantification and Interpretation of Long- Term UV-Visible Observations of the Stratosphere (QUILT, PI Dr. W. Arlander, NILU, Norway), 2000-2003
  • ESA Category 1 Data Usage Project Nr. 1008, GOME Satellite Observations in Near-Real-Time during the Arctic Winter/Spring Seasons 2000/01-2001/02, 2000-2002
  • ESA-Earth Observation Project 666 (ESA-EO 666), Validation of SCIAMACHY and GOMOS with SAGE III (PI Dr. William Chu, NASA Langley Research Center USA), 2000-2002
  • ESA-Earth Observation Project 651 (ESA-EO 651), Validation of ENVISAT Trace Gas Data Products by Comparison with GOME/ERS-2 and other Satellite Sensors, 2000-2002
  • European Union EVK2-1999-00311, Improved Understanding of Stratospheric Ozone Loss by Measurements and Modelling Contributing to THESEO 2000 and SOLVE, (THESEO-EUROSOLVE,PI Dr. Geir Braathen, NILU, Norway), 1999-2000
  • ESA-ERS AO3 377 (ESA-ERS Announcement of Opportunity 3 Project), Ozone Vertical Profile Retrieval from GOME/ERS2: Optimization, Validation, and new Scientific Data Products, 1999-2001
  • ESA-ERS AO3 344 GOME real-time Total Column Ozone and Ozone Profiles with Neural Networks (PI Anton Kaifel, ZSW Stuttgart), 1999-2001
  • EU ENV4-CT97-0418, GOME Data Interpretation, Validation and Application (GODIVA, PI Dr. A. Goede, SRON, The Netherlands), 1997-2000

German projects:

  • BMBF, Long-term trends in solar spectral irradiances from satellite observations during solar cycles 23 and 24 (SCIASOL), Priority Program "The Role of the Middle Atmosphere in Climate (ROMIC)", 2014-2017.
  • DLR Bonn/BMWi, Wissenschaftliche Vorbereitung der operationellen Datenauswertung und Entwicklung neuer Datenprodukte für GMES Sentinel 5 Precursor, 2013-2015
  • DFG, SHARP - Stratospheric Change and its Role for Climate Prediction: How is the evolution of stratospheric ozone affected by climate change, and how strong is the feedback? (SHARP-OFC), 2009-2015 (Link)
  • DFG, SHARP - Stratospheric Change and its Role for Climate Prediction: How is stratospheric water vapour affected by climate change, and which processes are responsible? (SHARP-WV), 2009-2015 (Link)
  • BMWi, Langzeit-Validierung von SCIAMACHY und MIPAS an Bord von ENVISAT (ENVIVAL-LIFE), 2008-2013
  • DFG WE 3647/1-1, Special Programme CAWSES (Climate and Weather of the Sun-Earth System), Investigation of solar UV irradiance variation on hourly to decadal time scales and its impact on middle atmospheric ozone and ozone climate interaction (SOLOZON II), 2005-2009
  • GSF Project 07ATF42, Vertical Ozone Distributions and Stratospheric Columns of NO2, OClO, and BrO from GOME and SCIAMACHY nadir satellite data: Data Product Optimization and Scientific Studies of the Lower Stratospheric Dynamics and Chemistry (GOMSTRAT), National Atmospheric Research Programme AFO2000, National Research Center for Environment and Health GSF and BMBF, 2001-2004 (Final Report: PDF, 2.8Mb)
  • BMBF FKZ 01SF9994, Validierung von ENVISAT Spurengas-verteilungen durch Vergleich mit GOME/ERS-2 und anderen Satelliteninstrumenten und Prozeßstudie zur Tag-Nacht-Variation und Dämmerungschemie von Stick- und Halogenoxiden in der unteren und mittleren Stratosphäre. Institute of Environmental Physics, University Bremen within BMBF project of HGF-Networking-Fonds-Project „Generierung und Validierung von Datenprodukten aus ENVISAT Messungen sowie deren Nutzung zur Erforschung der oberen Troposphäre und Stratosphäre“, 2001-2004 (Abschlussbericht Uni Bremen, PDF, 4.4Mb).
  • DLR 50EE0025, Deutsche Agentur für Raumfahrtangelegenheit and BMBF, Validation of Sciamachy In-Flight Measured Irradiances, Radiances, and selected Tracegas Products by Comparison with Measurements from Independent Satellites (VIRTIS), 2000-2004 (Abschlussbericht, PDF, 3.5Mb)
  • DLR Project 50EE9905, Real-Time Retrieval of Ozone from GOME Data, Sponsor: Deutsche Agentur für Raumfahrtangelegenheit and BMBF, 1999-2002
  • DLR PTUSF 01LO9607/1, Interpretation of Ozone Vertical Profiles and their Variation in the Northern Hemisphere Using GOME Satellite Data, National Ozone Research Programme (OFP), Sponsor: BMBF and DLR PT Umweltsystemforschung, 1997-1999
  • DLR PTUSF 01LU9704/2, Solar UVB Surface Flux from GOME Satellite Data, National Ozone Research Programme (OFP), Sponsor: BMBF and DLR PT Umweltsystemforschung, 1998-2001
  • DARA 50EE94400: Scientific Data Products and Process Studies from GOME, Deutsche Agentur für Raumfahrtangelegenheit (DARA), Sponsor: BMBF and ESA/ERS AO2, 1995-1998

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