1. Metadata Worksop 7-8 September 2010 in Nijmegen Current and future developments around the IAGOS metadata Damien Boulanger & Valérie Thouret Laboratoire d’Aérologie (CNRS)

2. Metadata Worksop 7-8 September 2010 in Nijmegen2 Presentation of IAGOS IAGOS-ERI is one of the new European Research Infrastructures on the ESFRI 2006, french and german Roadmaps IAGOS-ERI is in Preparatory Phase (EU FP7) In-situ observations of atmospheric reactive and greenhouse gases Fleet of initially 10-20 longrange in-service aircraft of internationally operating airlines Based on MOZAIC program (1994-2010) Data along flight tracks: –In-situ concentrations in raw, averaged, and profile data formats –tropopause height, air mass backward trajectories calculted with a Lagrangian model using ECMWF meteorological analyses

3. Metadata Worksop 7-8 September 2010 in Nijmegen3 > 31000 flights since 1994 Data base opened to worlwide scientists > 150 peer-reviewed papers using MOZAIC data 2010: still two A340s from Lufthansa in operation for IAGOS MOZAIC 1994-2010 Measurements of Ozone, Water Vapour, Carbon Monoxide and Nitrogen Oxides by Airbus In-service Aircraft http://mozaic.aero.obs-mip.fr/web/ Tropospheric ozone budget (0-12 km) : - UV filter and GHG at the tropopause - Oxyding capacity of the troposphere - Pollutant in the boundary layer Support from the European Commission, french and german institutes, Airbus, and airlines (Lufthansa, Air France, Austrian, Sabena, Air Namibia) MOZAIC (1994-2010)

4. Metadata Worksop 7-8 September 2010 in Nijmegen H 2 O, O 3 H 2 O, O 3, CO, NO y H 2 O, O 3, CO, CO 2 NO y, NO x, aerosol, cloud particles Scientific publications 1993200120122005 MOZAIC IAGOS CARIBIC www.iagos.org In-service Aircraft for a Global Observing System European Research Infrastructure

5. Metadata Worksop 7-8 September 2010 in Nijmegen5 Overview of IAGOS metadata Time, geographic location, altitude Name of parameter measured (O3, CO, H2O, NO, NOx, NOy ) Metrology –Description of the measurement technique –Calibration / correction (history) –Software for QA/QC –Description of flags –Statistics for periods of service Coordinates of : –the PIs per parameter –the coordinator –the database computer scientist –the webmaster Data protocol References to relevant publications

6. Metadata Worksop 7-8 September 2010 in Nijmegen6 Semantic & schemas GCMD (Global Change Master Directory) science keywords used for registered terms Example for CO : –Domain : earth science –Category : atmosphere –Name : carbon monoxide Metadata present in IAGOS database No output format FGDC (Federal Geographic Data Committee ) XML schemas used in the past

7. Metadata Worksop 7-8 September 2010 in Nijmegen7 Needs & perspectives Need of competence Utilisation of INSPIRE ? WMO Information System used for operational transmission First application : data portal for IAGOS & ICOS