Heard Island and McDonald Islands Acoustic Plumes: Split-beam Echo sounder and Deep Tow Camera Observations of Gas Seeps on the Central Kerguelen Plateau

Erica A Spain1, Sally Joan Watson2, Millard F Coffin3, Joanne M Whittaker3, Jodi M Fox2 and Prof. Andrew R Bowie3, (1)University of Tasmania, Hobart, TAS, Australia, (2)University of Tasmania, Hobart, Australia, (3)University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia