Microwave instruments in the NDACC provide measurements of the vertical profiles of O3, H2O, and ClO in the stratosphere and mesosphere. The vertical profile information is derived from the change in pressure broadening as a function of altitude. These instruments can operate nearly continuously, and provide information on tracer variations on timescales from diurnal to multi-decadal.
Note: Instrument pages are currently under construction. Thank you for your patience.
Parameter: Ozone, Water Vapor
Parameter: ClO, N2O
Parameter: HNO3, N2O, Ozone