1. CEOS WGISS-27 - 13 mai 2009 - 1 E T H E R Thematic Centre for Atmospheric Chemistry Ether team

2. CEOS WGISS-27 - 13 mai 2009 - 2 Out line ■ Ether overview  Background  Users  Structure & organization  Products  Web site ■ Europeans activities ■ Conclusion

3. CEOS WGISS-27 - 13 mai 2009 - 3 Overview – Background Ether is a project developed and funded by the French Space Agency (CNES) and the INSU/CNRS –Ether is operational since November 2000 –Ether received the scientific evaluation approval in 2008 ■ Objectives  To assist the scientific community to locate, access and interpret atmospheric chemistry data  To provide data processing software and tools  To insure an efficient scientific expertise on data and software  To provide information about the data collection  To collect and answer to the users’ needs

4. CEOS WGISS-27 - 13 mai 2009 - 4 Overview – Users ■ Users  The French scientific community involved in atmospheric chemistry studies  International scientists through cooperation agreements with French scientists ■ Products and services  Data sets / Data Base  Software and added-value services  Systematic production  Information  Links to other sites What else ? Please request it through the permanent Ether call for tender !

5. CEOS WGISS-27 - 13 mai 2009 - 5 Overview – Structure & organization ■ Two technical components  The Ether Data Centre performs systematic production, provides data, users assistance, archiving, a first level expertise on data and software, algorithms definition and development  The team is composed of 4 people with a manager  It is located in the University Paris 6  It is equipped with 11 computers; 1 antenna for the IASI data reception through EUMETCAST  The scientific expertise network (several Scientific Expertise Centers) performs conception, validation and expertise on data, models and software and if needed production data  It is located in various French research organisms  For each activity there is a scientist leader  It provides data, models and software to the Ether Data Centre The link between the two entities is assumed by the project manager

6. CEOS WGISS-27 - 13 mai 2009 - 6 Overview - Structure & organization ■ Organizational entities Annual meetings  Exploitation review  Users Committee On line permanent call for tender  Steering Committee ■ Ether’s main actors Daily involved  Ether scientific manager  Data centre manager  Project manager  Users Committee president  Responsible of the atmospheric chemistry program at CNES

7. CEOS WGISS-27 - 13 mai 2009 - 7 Overview - Structure & organization Ether strategy for service development and production  Requests and algorithms are specified by scientists  Development is managed by Ether technical centre  Scientific validation is insured by scientists  Production is realized by Ether technical centre

8. CEOS WGISS-27 - 13 mai 2009 - 8 Overview - Products ■ Data sets L1, L2, L3  A huge variety of measurements  Ground-based  Balloon  Air-borne  Space-borne  Modeled and assimilated constituents fields  Reprobus (chemistry component in the stratospheric area)  Mimosa (Potentiel vorticity)  Chimère (tropospheric data)  Ancillary data (ECMWF MTO data, …)  Data Base  GEISA - Spectroscopic chemistry based on French scientist studies  ECCAD - Emissions of atmospheric Compounds & Compilation of ancillary Data  MOZAIC - Measurements of OZone, water vapour, carbon monoxide and nitrogen oxides by in-service AIrbus airCraft  NDACC/France - Network for Detection of Atmospheric Composition Change web site From the Mesoscale to global scale processes From the troposphere to the stratosphere within a wide temporal range (from the second to the decade)

9. CEOS WGISS-27 - 13 mai 2009 - 9 Overview - Products ■ Software and added-value services  Common software  Data format conversion  Quick look, data visualization software (206 datasets for 20 experiences), …  Specific software  ARLETTY : T, P simulation at every geographic point from 0 to 100 km (using ECMWF data and models)  MOLIERE : French ODIN/SMR retrieval  MIMOSA : Potential vorticity fields production at 7theta levels (from 380 to 900 K)  GIRAFE (reGional ReAl time Fire plumEs) forecast of biomass burning plumes  IASI L3 quick look production … Others are in progress Interactive or off line mode The average data fields are produced, for ozone, temperature and humidity every day and available through Ether site

10. CEOS WGISS-27 - 13 mai 2009 - 10 Overview - Products ■Data Origin  IASI, ODIN,OSIRIS, UARS, Balloon, ECMWF, NDACC/FR, REPROBUS, MIMOSA ■Data Nature  Texts files in various formats, archives, images, … ■Data and software access  Free or controlled (according to the international agreements) ■Data access  By catalogue criteria  By path ■Retrieval mode  Manual HTTP, FTP, uploading ■Standards and norms  AMES, NetCdf (Climate and Forecast), Hierarchical Data Format Earth Observation System, SFDU, PDS, SPF, NDSCAMES, HDSEOS, ASCII ■Emission Frequency  Daily, monthly, by campaign … Data and software Characteristics Compound image with CO data and Pressure data calculated with MOCAGE model

11. CEOS WGISS-27 - 13 mai 2009 - 11 Overview - Products ■Number of users  95 nationals (13 laboratories),  25 internationals (Sweden, Finland, Canada, USA, Japan) ■ Number of data sets  250 satellites, measures campaigns, data and model ■Data volume already save  18 To currently (evolution 7 To/year) ■Number of data request or services used  1000/year ■Number users access  4000/year ■Volume of the data processed or retrieval  400 Go/month Some figures

12. CEOS WGISS-27 - 13 mai 2009 - 12 Overview - Products ■ Systematic production  Potential vorticity and temperature fields : daily analysis and forecasts production (Mimosa model, North and South Hemisphere and Tropic)  50 atmospheric constituent fields (O3, ClO, NO2, N2O, BrO,…) : daily analysis production (REPROBUS model)  Level 2 ODIN/SMR data production (Moliere software)  External production of assimilated fields (ADOMOCA software)  MOZAIC data carried out by the “Laboratoire d’Aérologie” Example of Real-time forecasts production of PV fields for STRATEOLE-VORCORE campaign using MIMOSA software

13. CEOS WGISS-27 - 13 mai 2009 - 13 Overview – Communication ■ Information  On missions and experiments  On instruments  On data assimilation and models  On data formats  On data references ■ Communication  Lettre Ether  Workshops, posters in scientific conferences  Outreach (development of an educational tool in progress) ■ http://ether.ipsl.jussieu.fr  All data, software, added-value services and information are available on-line through a web interface Just… Enter Ether !

14. CEOS WGISS-27 - 13 mai 2009 - 14 Overview – Web site

15. CEOS WGISS-27 - 13 mai 2009 - 15 Europeans activities ■GEOMON (Global Earth Observation and Monitoring of the atmosphere)  Ether produces outreach web pages, it provides also data profiles extracted from MIMOSA and REPROBUS fields ■IAGOS (Integration of in-situ Aircraft measurements into a Global Observing System)  Adaptation of the MOZAIC data base ■GEMS/MACC (Monitoring Atmospheric Composition And Climate)  Ether provides IASI data and processing facilities to the French team (C. Clerbaux LATMOS) responsible of the production of IASI CO data  Access and scientific expertise (from the LATMOS and the LA ECCAD and scientific data IAGOS) Ether is involved in 3 Europeans projects ( GMES Atmospheric Service )

16. CEOS WGISS-27 - 13 mai 2009 - 16 Conclusion ■ Summary  Ether was built in a logic of evolution  Ether collects a great quantity of very diversified data  This large variety allows the inter-comparison and validation of the data  Ether maintain the data processing up to date  Ether define common tools for the common needs of the users  Thanks to the permanent call for tender, the Ether centre is in constant evolution always more close to the needs for its users ■ Perspectives  To define the standards necessary to the inter-working of the thematic centre in the concern for conservation of the data  To take part in the definition of the format of compression of the chemistry atmospheric data  To continue the adaptation to the evolutions in particular for the access to the bulky data

17. CEOS WGISS-27 - 13 mai 2009 - 17 Thank you for your attention