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Microwave Activities in Toulouse

Microwave Activities in Toulouse. Erwan Motte Laboratoire d'Aérologie, Observatoire Midi-Pyrénées CNRS, Toulouse, France. Background. Former Team from Bordeaux Spaceborne measurements (ODIN) Ground based Ozone and Water vapour MOLIERE radiative transfer and inversion code

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Microwave Activities in Toulouse

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  1. Microwave Activities in Toulouse Erwan Motte Laboratoire d'Aérologie, Observatoire Midi-Pyrénées CNRS, Toulouse, France

  2. Background • Former Team from Bordeaux • Spaceborne measurements (ODIN) • Ground based Ozone and Water vapour • MOLIERE radiative transfer and inversion code • Moved to Toulouse • Chemistry / transport models • Tropospheric in situ measurements (Ozone, Aerosols,…) • Involved In MOZAIC, AMMA… • Clouds and Wind Radars • 2 Remote sites for measurement: Lannemezan & Pic du Midi

  3. The Radiometer

  4. Mobile Water Vapour stratospheric Radiometer • Features • Easily transportable • Trec around 200-250 K • 800 MHz AOS Spectrometer • LN2 calibration required • Recent activities • Prototype modified • Lots of problems solved • Tests at Pic Du Midi • To be done • Retrieval tuning • Validation / intercomparisons • New spectrometer

  5. Future water vapour projects • Instrument for the Reunion Island NDACC Site • Microwave and mechanical design being completed • First tests scheduled in 2007 • Dual Instrument in Antarctica • To be installed in Concordia station (Dome C) • alt 3200m • Extremely dry place • Tropospheric MW profiler • Channels in the 20 GHz – 60 GHz band • Liquid / Vapour / temperature profiling • Ground to 10 km altitude / 500m resolution • Commercially available (Radiometrics or RPG) • Beginning of operation 2008 • Stratospheric MW Radiometer • Copy of the Reunion island instrument • To be installed in 2009

  6. Collaborations • ONERA (France, tropospheric profiler, microwaves lab, material characterisation setups) • CNES (French space institute, microwaves lab) • IPEV (French polar institute) • ENEA (Italia, Radiosounding data over antarctica) • IAP-MW Bern • Chalmers University

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