ABSTRACT

RH50 Relative height (RH) to the ground elevation at which 50% of the accumulated full-waveform energy occurs

RH75 Relative height (RH) to the ground elevation at which 75% of the accumulated full-waveform energy occurs

Acronyms and Defin tions ...................................................................................................................47 3.1 Introduction .............................................................................................................................. 48

3.4 Research Approaches/Methods .............................................................................................. 54 Nonparametric Methods

3.6 Summary .....................................................................................................................................61 3.7 Conclusions and Future Directions ........................................................................................63 Acknowledgment ...................................................................................................................................63 References ...............................................................................................................................................63