Author(s): K. Homorodi; T. Kramer; J. Jozsa
Linked Author(s): János Józsa
Keywords: No Keywords
Abstract: Wind-induced waves are one of the key elements in shallow lake hydro-and sediment dynamics. That is why field measurements are important for the validation of their estimation methods, especially in shallow waters. In the first part of the present paper a method is introduced to improve the interpretation of the measured data, applicable both for pressure and velocity time series. As will be demonstrated, replacing the turbulence-affected tail of the measured spectrum with a fitted power function causes a considerable 8-10% difference in the derived bulk wave parameters. These differences prove that this procedure is worth to be done. In the second part of the paper an appropriate technique to obtain wave features from 3D velocity time series will be described. The applicability of the presented velocity-based estimation method will be proved.
Year: 2009