1. The Soil Moisture and Ocean Salinity Mission - Overview on calibration and validation activities - Susanne Mecklenburg SMOS Mission Manager Steven Delwart and Catherine Bouzinac IGARSS, Hawaii, 29 July 2010

3. CNES – Toulouse Satellite Operations ESAC – Villafranca Data Processing Ground Segment & X-Band Acquisition Station, Instrument Operations ESRIN – Frascati User Services & Mission management ESTEC - Noordwijk Post Launch Support Office Kiruna Station Long-term Archive Reprocessing Centre S-Band Acquisition Svalbard Station NRT Acquisition Station Science and Near-Real Time users Responsible agencies in operations phase ESA – responsible for overall coordination and funding of mission and ground segment operations CNES – responsible for running and funding satellite operations from the Mission Operations Centre at CNES Toulouse (with ESA contribution for specific payload operations)

7. Expert Support Laboratories are responsible for “ L1& L2 algorithm development, evolution and validation”. Reconstruction and Calibration – level 1 Observatoire Midi-Pyrenees (F) Universitat Politecnica Catalunya (E) Industrial partner: Deimos (P) Sea Surface Salinity – Level 2 Laboratoire d’Oceanographie et de Climatologie (LOCEAN) (F) Institut de Ciències del Mar CMIMA-CSIC (ICM) (E) Institut français de recherche pour l'exploitation de la mer (IFREMER) (F) Industrial partner: Argans (UK) Soil Moisture – Level 2 Centre d’Etudes Spatiales de la Biosphere (CESBIO) (F) Institut Pierre Simon Laplace (IPSL) (F) Institut National de Recherche Agronomique (INRA) (F) Tor Vergata University (I) Industrial partner: Array (CND) Expert Support Laboratories

8. National Expert Centers are responsible for “ SMOS L3 & L4 algorithm development, evolution and validation” National Expert Centres CATDS (F) Soil Moisture EC - CESBIO - Y. Kerr CATDS (F) Ocean Salinity EC - IFREMER - N. Reul CP-34 (E) Barcelona Expert Centre BEC - ICM-UPC - J. Font “ Collaborating Agencies do not have any formal responsibility in SMOS” Collaborating Agencies Aquarius and SMAP projects - NASA Expert Centres

9. Data sets and reports available on earth.esa.int/campaigns and the SMOS Cal/Val portal Sea Surface Salinity Soil Moisture Cryosphere ESA EO Campaigns Tower-based radiometric measurements in Antarctica, vicarious calibration of brightness temperature over the Dome Concordia area DOMEX 2005 - 2008 Airborne campaign in cooperation with the Australian’s National Airborne Field Experiment (NAFE 05) at the Goulburn River Catchment in November 2005; site extensively monitored and studied for SM CoSMOS 2005 US Salinity Temperature and Roughness Remote Scanner (STARRS) was exploited during airborne campaign over France and Spain in 2001 providing airborne L-band observations over large areas EUROSTARRS 2001 Airborne campaign in April 2008 over the key soil moisture validation sites of SMOS, in Germany and Spain Rehearsal 2008 Airborne campaign in August 2007 to perform dual-pol measurements and assess absolute accuracy of HUT2D, the interferometric radiometer of Helsinki University of Technology, and demonstrate the retrieval of a sea surface salinity gradient off the coast of Helsinki using an interferometric radiometer. Demonstrator 2007 Airborne campaign in the Gulf of Bothnia (Finland) in March 2007 to acquire L-band measurements over sea-ice and test the retrieval of ice types and ice thickness SEA-ICE 2007 Airborne campaign in Norway (North Sea) in 2006 to acquire data under different oceanographic conditions for sea surface salinity retrieval COSMOS 2006 Surface Monitoring of the Soil Reservoir Experiment near Toulouse (campaign not funded by ESA) CESBIO and CNRM fund this activity SMOSREX Foam Rain Oil Slicks and GPS reflexions in 2003, measuring L-Band polarimetric emission under controlled (foam and rain) conditions (campaign not funded by ESA) FROG Ocean salinity airborne campaign in 2001/2003, with L-band radiometer EMIRAD from Technical University of Denmark, several flights with variable wind conditions; discovery of wiggles, investigating azimuthal dependence of the two first Stokes parameters LOSAC 2001 Wind and Salinity Experiment in 2000/2001, at offshore oil drilling platform near Barcelona to provide multi-angular polarimetric brightness temperature under different wind/wave conditions WISE 2000/2001

15. Ocean Salinity Validation Match-up SMOS L2 SSS and in-situ database  ARGO: more than 3300 floats  GDP: Global Drifter Program, surface buoys  Tropical mooring arrays: TAO, PIRATA, RAMA  ARGO Enhanced SSS Floats

17. H-pol ECMWF data assimilation study Integration of SMOS data into ECMWF forecasting model First guess departure: observation – model for 12 hours and all incidence angles Study objectives: - Operational monitoring of global NRT brightness temperatures - Quantification of the impact of SMOS observations on the forecast skill

20. Level 0 – raw data Level 1C – Brightness Temperatures (NRT for operational users, browse product) Soil Moisture - Level 2 – Ocean Salinity Soil Moisture - Level 3 – Sea Surface Salinity Global, single-instrument Soil Moisture - Level 4 - Sea Surface Salinity Global, multi-instrument ESA National efforts Image reconstruction Scientific knowledge & assumptions & uncertainties; models and auxiliary data French and Spanish National Expert Centres Centre Aval de Traitement des Donnees SMOS (CATDS) For Soil Moisture – CESBIO Yann Kerr For Sea Surface Salinity – IFREMER Barcelona Expert Centre at ICM-UPC, J ordi Font Available data products

23. Thank you for your attention!