1. Enhanced propagation modeling of directional aviation noise: A hybrid parabolic equation-fast field program method Open Access Author: Rosenbaum, Joyce E. Title: Enhanced propagation modeling of directional aviation noise: A hybrid parabolic equation-fast field program method Graduate Program: Acoustics Keywords: acoustic propagationaviation noiseparabolic equation methodfast field program File: Download JoyceRosenbaum-Dissertation_FINAL.pdf Committee Members: Anthony A Atchley, Dissertation Advisor/Co-AdvisorAnthony A Atchley, Committee Chair/Co-ChairVictor Ward Sparrow, Committee Chair/Co-ChairDavid Carl Swanson, Committee MemberKenneth Steven Brentner, Committee Member