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-2019: Participation to the ESA Living Planet Symposium scientific committee, 13-17 May 2019
-2019-2006: Co-convener of the EGU session on soil moisture remote sensing HS6.4, 9-12 April 2019, every year since 2006
-2018: Organizing committee of the ECMWF Annual Seminar 2018 on Earth System assimilation, 10-13 September 2018-2018: Co-convener of the EGU session on soil moisture remote sensing HS6.4, April 2018
-2018: Organising committee of the ECMWF Workshop on observations and analysis of sea-surface temperature and sea ice for NWP and Climate Applications, 22-25 January 2018
-2017: Organising committee of ECMWF/ESA workshop on using low frequency passive microwave measurements in research and operational applications, 4-6 December 2017
-2017: Convener of the 'Remote sensing of Soil Moisture" session (HS6.4) at the EGU conference.-2016: Organizing committee of the ECMWF Annual Seminar 2016 on Earth system modelling for seamless prediction: On which processes should we focus to further improve atmospheric predictive skill?
-2016: Scientific Committee of the Living Planet Symposium, Prague, Czech Republic, 9-13 May 2016-2016: Co-convener of the EGU session on soil moisture remote sensing HS6.4/SSS7.10, April 2016
-2015: Scientific Committee of the ESA GEWEX conference on Earth Observation for Water Cycle Science 20th-23rd October 2015 ESA-ESRIN, Italy - 2015: Convener of the 'Remote sensing of Soil Moisture" session (HS6.4) at the EGU conference.
-2014: Co-Organizer of the H-SAF/HEPEX workshops on coupled hydrology, 3-7 November 2014, ECMWF, UK
- 2014: Co-convener of the 'Data-assimilation in land surface and hydrological models" session at the 7th International Scientific Conference on the Global Water and Energy Cycle.- 2014: Co-convener of the 'Remote sensing of Soil Moisture" session (HS6.7) at the EGU conference.
- 2014: Co-convener of the 'ESA's SMOS and NASA's SMAP missions: providing global observations of soil moisture and ocean salinity and beyond’ " session (HS6.2) at the EGU conference.
- 2013: Participation to the ESA Living Planet Symposium scientific committee
- 2013: Co-convener of the 'Remote sensing of Soil Moisture" session (HS6.2) at the EGU conference.
- 2012: Co-convener of the 'Remote sensing of Soil Moisture" session (HS6.2) at the EGU conference.
- 2011: Convener of the 'Remote sensing of Soil Moisture" session (HS6.2) at the EGU conference.
- 2010: co-convener of the 'Remote sensing of Soil Moisture" session (HS10.6) at the EGU conference.
-2009 : Co-Organizer of the ECMWF/GLASS Workshop on Land Surface Modelling, Data Assimilation and the implications for predictability, 9-12 November 2009, ECMWF, UK
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- 2008: convener of the " Soil moisture estimation using field instrumentation, remote sensing and modelling" (session hs11.5, hydrological sciences) session at EGU
- 2006: convener of an EGU session: "Multi scale soil moisture estimation using field instrumentation, remote sensing and modeling" (session hs11, hydrological sciences, co-listed with atmospheric sciences, geophysical instrumentation, soil system sciences).
- 2005: Convener of an EGU (European Geophysical Union) session: ``Estimation of soil moisture at the regional and global scale using field experiments, remote sensing and land surface modelling'' (session hs2, hydrological sciences, co-listed with atmospheric sciences and climate, and co-sponsored by iLEAPS).
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-2019: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2019
- 2018: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2018
-2017: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2017
- 2016: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2016
- 2014: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2014
- 2013: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2013
every year since 2009
- - 2013: Member of the scientific committe of the European Space Agency Living Planet Symposium, 9-13 September 2013
- 2013: Member of the organising committe of the ESA Satellite Soil Moisture validation and applications workshop, ESRIN, 1-3 July 2013
- 2012: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2012- 2011: Scientific committee member of the SMOS sciences workshop, Arles, 2011
- 2011: Scientific Committee member and reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2011- 2010: Session chair at the ESA living Planet Symposium, 28-June-2 July, Bergen, Norway, 2010- 2010: Reviewer for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2010- 2009: Member of the technical Program Committee for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 2008
- 2008: Member of the technical Program Committee for the IEEE International Geoscience and Remote Sensing Symposium (IGARSS), and session chair (session TUP.D: Surface roughness and soil properties).
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