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50 MHz RASS Temperature profiles: past, present and future

Coulter, Richard DOE/Argonne National Laboratory

The history and usefulness of virtual temperature profiles derived from 50 MHz Radio Acoustic Sounding System (RASS) data has been variable, at best. The reasons for this performance are explored using available data obtained at the SGP central facility between 1997 and the present. A conceptual model of the controlling meteorological and system parameters is presented that agrees fairly well with the data. It appears that it may be possible to enhance the RASS performance significantly with either with the relocation of one or more of the present acoustic sources or the addition of a few new ones.

This poster will be displayed at the ARM Science Team Meeting.