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Microwave Backscatter Measurements Made From The Dutch Ocean Research Tower `noordwijk' Compared With Model Predictions.

This paper deals with the verification experiment from the Dutch 'Noordwijk' tower, which took place from November 12 till December 7, 1990. Microwave backscatter measurements were performed with a X-bqd FWCW scatterometer for all linear polarizations (HH, HV, VH and VV). Close to the scatterometer the small-scale waves were measured with the newly developed Reflective Stereo Slope Gauge (RSSG) of the Scripps Institution of Oceanography. A pressure Anemometer (PA) allowed turbulence measurements well within the boundary layer above the water surface. Both RSSG and PA were mounted on a 16 meter protruding boom to minimize flow (and water surface) distortions by the platform. A number of sea surface measuring equipment was installed including buoys and current measuring systems. In this paper the experiment will be described and the backscatter measurements will be compared with two different model predictions. PREFACE