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1984 Niwot Ridge

air chemistry study to evaluate composition of reactive nitrogen oxides in the remote troposphere.

24 June - 06 November 1984; conducted in two intensive periods from 24 June - 02 September and from 23 October - 06 November

Niwot Ridge, Colorado, 3 km elevation forest research site approximately 60 km northwest of the Denver metropolitan area.

participating institutions: SRI International (SRI), Menlo Park, CA; National Center for Atmospheric Research (NCAR), Boulder, CO; NOAA Earth System Research Laboratory Chemical Sciences Division (ESRL CSD; formerly Aeronomy Laboratory), Boulder, CO.