Continuous measurements of atmospheric mercury at Amsterdam Island (L1)

L1 time series of Tekran ambient air mercury vapor analyzer (model 2537A/B) from 2012 to now, mercury speciation unit (model 1130) and particulate mercury unit (model 1135) from 2012 to 2015, performed at the Amsterdam (AMS) island district station (Pointe Benedicte atmospheric research station).

**Amsterdam Island** is a small island (55km2) located in the southern Indian Ocean (37◦48 S, 77◦34 E), 3400km and 5000km downwind from the nearest lands, Madagascar and South Africa, respectively. Instrumentation dedicated to the study of atmospheric mercury is located at the Pointe Benedicte station, at the northwest end of the island, 70m above sea level and 2km west of the scientific base (30 residents at most).