Analysis to differentiate marine chlorine to industrial chlorine in the equatorial region of French Guiana

Marine Chlorine deposition data in French Guiana’s east coast and wind speeds influences has been studied here. In 2001 and 2002 an INERIS’s studies has shown that monitoring hydrogen chloride emitted by the rocket would be appropriate. Thus, with the help of the French Guiana Space Center, two measurement campaigns (2004-2008) have been implemented by the Regional Observatory Air (ROA). The purpose was to determine the impact of space activities in and around the city of Sinnamary. The ROA has made measurements of chlorine concentration during and outside periods of shooting to assess the chlorine from the rocket boosters of natural background chlorine due to its proximity with the Atlantic Ocean. A method is proposed here to differentiate natural from anthropogenic emissions from chlorine. The use of certain meteorological parameter (wind, humidity, temperature, etc…) will first be discussed for the transportation of chlorine. Then, we will try to classify chlorine dispersion according to the seasons and areas. Finally a comparison with a previous study in Brazil will be made.