Address 4 place Jussieu Campus Pierre et Marie Curie, Barre 44-45, 4è étage CC237 75005 PARIS France TROPECOS members from iEES Marie ARNAUDResearch Scientist, IRD (Paris) Philippe BIRONResearch engineer, Sorbonne Université (Paris) Axel FELBACQAssistant engineer, CNRS Lea HanemannPhD student, Sorbonne Université, Paris Dominique LAMYAssociate Professor Sorbonne Université (Paris) Cornelia RUMPELCNRS research director (Paris)