1. 1 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 GMES-GATO A concerted action to develop a strategy for global atmospheric observations within GMES Coordinator: Geir O. Braathen Norwegian Institute for Air Research

2. 2 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 GMES-GATO Based on the GATO cluster of EU projects

3. 3 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Work Packages and Deliverables WP 1:Integration of global ozone and related observations 2002-08  European ground-based systems Consolidation Document  Report on Present and near-future satellite measurements in a European integrated system for monitoring of stratospheric ozone  Report on Present and near-future of the Integrated System for the investigation of the stratospheric ozone issue from a European point of view

4. 4 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Work Packages and Deliverables WP 2:Database issues  Report on the needs of data providers and data base users  Provisional user manuals for the two databases  Web interface for data base users  Example programs for visualisation of data  Final user manual  Database inventory and summary of user requirements  Recommendations for extensions and improvements of the data centres  Report on limitations of data bases

5. 5 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Work Packages and Deliverables WP 3:Defining a strategy for 2008 onwards (post-ENVISAT era)  List of existing documents and strategies for global atmospheric measurements  Report on “European options for future global atmospheric observations”  Report on ensuring high quality total ozone observations

6. 6 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Work Packages and Deliverables WP 4:A satellite observing system for winter/spring O 3 loss in the NH  Report on end user requirements for near real-time/short term ozone information and compilation of services expected  Report on near real-time services for winter/spring ozone loss and GMES systems  Report on nadir and limb sounders, and their uses for GMES

7. 7 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Work Packages and Deliverables WP 5:Definition of a strategy for atmospheric composition monitoring for subsequent phases of GMES  Report on GMES strategy for atmospheric composition observations  Input to BICEPS X-cutting assessment and FRIP  Will be published as a separate report

8. 8 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 GMES-GATO Strategy Report: Overview  To promote the use of data for scientific and public purposes.  To coordinate integration of satellite and ground-based instruments.  To continue validation of observations.  To further develop and improve satellite data.  To maintain a high quality total ozone record.  To develop and improve databases to serve scientific and wider communities. A strategy for global atmospheric observations Post-2008 ’Best coordinated use of existing measurement networks and satellites’ - Expert authors and international peer review -

9. 9 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Method of GMES-GATO 1. Model development GMES End-Users Provision of funding / rational funding framework Extension of satellite programme beyond ENVISAT Development of non-satellite moni- toring systems for GMES Post-2008 Measurement archiving, access and quality Observation and modelling synergies Verification of compliance with and success of protocols Provision of NRT information for public and scientific use

10. 10 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 GMES-GATO Strategy Report: Outline Synthesis Atmospheric Observations within GMES Geir Braathen (NILU) and James Levine (EORCU) Chapter 1 Montreal Protocol: Stratospheric Ozone Depletion and Surface UV Radiation Neil Harris (EORCU) and Martine De Maziere (BIRA-IASB) Chapter 2 Kyoto Protocol: Climate Change Stefan Reimann (EMPA) and Mihalis Lazaridis (Tech. U. of Crete) Chapter 3 Air Quality Conventions: Local, Regional and Continental Scales Paul Monks (U. Leicester) and Andreas Volz-Thomas (FZJ) Chapter 4 International Conventions on Aviation, Shipping and Coastal Pollution Hans Schlager (DLR) and Jozef Pacyna (NILU) Chapter 5 Volcano Monitoring and Public Safety Don Grainger (U. Oxford) and Hans Graf (MPI-Met/UCAM) Chapter 6 Atmospheric Influence on Earth Surface Observations John Remedios (U. Leicester)

11. 11 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 MontrealKyotoAir Quality Aviation Shipping VolcanosAtm. influence Com- pliance NRT Info Obs/Mod Synergies QA/QC Access Post- ENVISAT Non-sat. Funding General recommendations Continuous atmospheric monitoring Public safety and scientific understanding Data assimilation and modelled forecasts Improved exploitation of measurements from GB, air and sat. OS Coherent QA/QC, effective archving and derivation of new data products Atmospheric monitoring including continued Cal/Val Consolidate networks of ground-based stations: Intergrate existing networks, extend into sparse regions, strategically position and preserve future flexibility Secure separate funding stream for monitoring to ensure long-term cont.

12. 12 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Specific Recommendations Chapter 1 Montreal Protocol: Stratospheric Ozone Depletion and Surface UV Radiation Ex. 1Provide a secure funding stream to ensure the continuity of O 3 measurements in the long-term. Ex. 2Secure long-term stratospheric H 2 O measurements and reduce uncertainties in these measurements. Ex. 3Real time UV index forecasting for the public. Chapter 2 Kyoto Protocol: Climate Change Ex. 1Estimate regional GHG emissions with in situ, column and satellite measurements, combined with state-of-the-art meteorological models. Establish a GHG monitoring capacity in developing regions, such as Africa, Asia and South America, important w.r.t. climate change. Ex. 2Establish a GHG monitoring capacity in developing regions, such as Africa, Asia and South America, important w.r.t. climate change.

13. 13 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Specific Recommendations - Continued Chapter 3 Air Quality Conventions: Local, Regional and Continental Scales Ex. 1 Background sites: integrate existing GAW sites and expand into Southern / Eastern Europe and the former USSR. Ex. 2 Regional master sites: upgrade at least 5-10 EMEP stations to make extensive measurements w.r.t. regional scale O 3 and particulates. Chapter 4 International Conventions on Aviation, Shipping and Coastal Pollution Ex. 1 Use in service aircraft and ships to make regular in situ measurements in the UTLS and PBL. Ex. 2 Integrate existing air- and seaport monitoring stations into existing air quality monitoring networks.

14. 14 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Specific Recommendations - Continued Chapter 5 Volcano Monitoring and Public Safety Ex. 1 Establish the means to provide the aviation community with timely warnings of volcanic ash cloud encounters in remote flight corridors. Ex. 2 Improve predictions of the climatic effects of large volcanic eruptions through increased knowledge of source strengths and locations. Chapter 6 Atmospheric Influence on Earth Surface Observations Ex. 1 Determine the accuracies of ECMWF and fast assimilation scheme O 3 and H 2 O fields for atmospheric correction. Ex. 2 Research the derivation of atmospheric correction information at high spatial scales including atmospheric variability at these scales.

15. 15 Atmospheric Chemistry Applications Workshop, Noordwijk, 20.1.2004 Some lessons learned from GMES-GATO Measurement quality, archiving and access  Improved access to and interoperability of atmospheric databases, e.g. through one-stop facility  Public access to up-to-date atmospheric information  Integrate databases and processing centres Extension of satellite programmes beyond ENVISAT  Improved characterisation of aerosols and clouds  Combined low-orbit and geostationary satellites Development of non-satellite monitoring system after 2008  In-situ measurements in the UTLS and PBL  Consolidate in-service aircraft measurements  Start in-service ship measurements  Upgrade 5-10 EMEP sites to regional masters Provision of funding /rational funding framework  Secure a separate funding stream for monitoring to ensure long-term continuity