In situ study devices
Each of these 3 m x 3 m microcosms is composed of an aluminium frame to which a flexible tarpaulin is secured and hangs down 2.5 metres into the water. This tarpaulin marks out a volume of water which remains exposed to the influence of the prevailing sea and weather conditions (waves, surface agitation, rain, wind, sunshine, etc.). These environmental conditions are permanently recorded by a weather station.
● monitor the fate and weathering of floating oil or chemicals
● assess the efficiency of dispersants according to the degree of weathering of the pollutant or the application mode
● assess the efficiency of demulsifiers, sorbents or flow agents.