The Eastern North Atlantic (ENA) atmospheric observatory is the newest measurement site established by the Atmospheric Radiation Measurement (ARM) user facility. This observatory is located on Graciosa Island in the Azores archipelago. The Azores are located in the northeastern Atlantic Ocean west of Portugal.
ENA Geographic Location by Facility
Note: C = Central Facility, D = Diagnostic Data Products, F = ARM Aerial Facility, S = Supplemental Facility, and X = External Data/Facility