Figure 1


Figure 1: Ku band skewness estimates for the TOPEX altimeter separated by north/south and ascending/descending passes and binned by the parameter

formula

,which is an indicator of significant slope [Srokosz and Longuet-Higgins, 1986]. Theoretical bounds for a wave height with power law p=4 (long-dashed curve) and p=3.5 (short-dashed curve) are also shown. There is some consistency between theory and observation for higher values of rho, but due to distortions in the TOPEX leading edge, significant deviations are observed. Jason-1 waveforms will help in the resolution of the skewness behavior and its relation to theory and the EM bias.