Contact Full Name Christoph Ritter email Christoph.Ritter@awi.de Institution Alfred Wegener Institute Info Observatory AWIPEV Atmospheric Observatory Observation Facility Type land platform (fixed) Observation Facility Status Operational Core data No Observation Facility ID RiS ID(s) 2353 Geospatial location Coordinates POINT (11.92293695 78.92323284) Height above mean sea level (m) 13.00 Observed Variable(s) Observed Variable ATMOSPHERE>AEROSOLS>AEROSOL OPTICAL DEPTH/THICKNESS Start Date 2000-01-01T12:00:00Z Sampling procedures Only during clear days in polar night. Optical measurements