A NEW APPROACH TO MF RADAR INTERFEROMETRY FOR ESTIMATING MEAN WINDS AND MOMENTUM FLUX

New techniques are applied to measured Doppler velocity and angle of a rrival to estimate horizontal wind vectors, variances; and momentum fl uxes, from MF radar data. The approach used to estimate mean winds was first introduced as ''time domain interferometry'' (TDI) by Vandepeer and Reid [1995]. In the present paper, the algorithm is refined and u sed with data from the Urbana MF radar, which employs a single vertica l antenna beam, to obtain a monthly mean wind climatology which is com pared with the results from conventional spaced antenna full correlati on analysis. The comparison validates the scattering model used in the development of the TDI technique and highlights instrumental and proc essing biases that differ between the two techniques. An extension of the TDI method that can provide estimates of the Reynolds stress tenso r associated with propagating gravity waves is also proposed, and some preliminary results are presented.