Hella van Asperen¹, Thorsten Warneke¹, Alessandro C De Araujo², Bruce Forsberg³, Leonardo Ramos de Oliveira⁴, Veber Moura⁴, Marta Sá⁴, Thiago de Lima Xavier⁴, Robson Azevedo de Oliveira⁴, Paulo Teixeira⁴, Leila Leal⁵, Arnoud Frumau⁶, Arjan Hensen⁶, Pim van den Bulk⁶, Danielle van Dinther⁶ and Justus Notholt¹, (1)University of Bremen, Institute of Environmental Physics, Bremen, Germany, (2)Brazilian Agricultural Research Corporation (EMBRAPA), Belem, PA, Brazil, (3)Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil, (4)Instituto Nacional de Pesquisas da Amazônia (INPA), Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA), Manaus, Brazil, (5)Embrapa Amazônia Oriental, Belém, Brazil, (6)TNO, Utrecht, Netherlands