title: Introduction to the special issue on sediment acoustics.
authors.affiliation: Applied Research Laboratories, The University of Texas at Austin, Austin, Texas 78713-8029, USA. chotiros@arlut.utexas.edu
authors.forename: Nicholas P
authors.initials: NP
authors.lastname: Chotiros
authors.forename: Marcia J
authors.initials: MJ
authors.lastname: Isakson