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

CEOS WGISS-27 - 13 mai 2009 - 1

E T H E R Thematic Centre

for Atmospheric Chemistry

Ether team

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Out line

■ Ether overviewBackground

Users

Structure & organization

Products

Web site

■ Europeans activities

■ Conclusion

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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

■ ObjectivesTo assist the scientific community to locate, access and interpret

atmospheric chemistry dataTo provide data processing software and toolsTo insure an efficient scientific expertise on data and softwareTo provide information about the data collectionTo collect and answer to the users’ needs

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Overview – Users

■ UsersThe 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 !

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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

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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

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Overview - Structure & organization

Technical Centre

Data management

Software integration

Software development

Web interface

Users assistance

European laboratories

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Data producer centresNASA, ODIN PDC, NRL, NIES, ESA, ...

French agencies CNES, CNRS

Expertise about data and software

French Scientists

Ether Users

French Scientists

International Users

Ether Users committee

New services proposal

End-Users

Ether Group

Technical Centre

Data management

Software integration

Software development

Web interface

Users assistance

European laboratories

Dat

a an

d so

ftw

are

prov

ider

s

Data producer centresNASA, ODIN PDC, NRL, NIES, ESA, ...

French agencies CNES, CNRS

Expertise about data and software

French Scientists

Ether Users

French Scientists

International Users

Ether Users committee

New services proposal

End-Users

Ether Group

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

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Overview - Products

■ Data sets L1, L2, L3A 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 stratospherewithin a wide temporal range (from the second to the decade)

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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

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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

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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

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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-VORCOREcampaign using MIMOSA software

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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 !

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Overview – Web site

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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)

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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

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Thank you for your attention