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

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Presentation transcript:

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 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

The Radiometer

Mobile Water Vapour stratospheric Radiometer Features –Easily transportable –Trec around 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

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

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