Combined airborne radio-instruments for ocean and land studies (CAROLS)

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Zribi, Mehrez | Pardé, Mickaël | Hauser, Danièle | Fanise, Pascal | Leroy, P. | Dechambre, Monique | Weill, Alain | Boutin, Jacqueline | Reverdin, Gilles | Calvet, Jean-Christophe | Wigneron, Jean-Pierre | Skou, Niels | Søbjærg, Sten S. | Reul, Nicolas | Ruis, Antonio

Edité par CCSD ; IEEE Press -

. International audience. The CAROLS, L band radiometer, is built and designed as a copy of EMIRAD II radiometer of DTU team. It is a Correlation radiometer with direct sampling and fully polarimetric (i.e 4 Stockes). It will be used in conjunction with other airborne instruments (in particular the C-Band scatterometer (STORM) and IEEC GPS system, Infrared CIMEL radiometer, one visible camera), in coordination with in situ field campaigns for SMOS CAL/VAL. The instruments are implemented on board the French research airplane ATR42. A validation campaign with four flights was made over south west of France, Hourtin Lake and Bay of Biscay (Atlantic Ocean) in September 2007. In order to qualify the radiometer data, different types of aircraft movements were realized: circle flights, wing and nose wags. Simultaneously to flights, different ground measurements were made over continental surfaces and ocean. First results show a good quality of data over ocean surfaces. For continental surfaces, important Radio-Frequency Interferences (RFI) were observed over a large part of the studied region.

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