Description: The National Submarine Canyon dataset contains 753 submarine canyons along the Australian continental margin and external territories, mapped from a range of bathymetry datasets. The layer has attributes describing the canyon's geophysical characteristics. For more information, please see Huang, Z., S. L. Nichol, et al. (2014). "Classification of submarine canyons of the Australian continental margin." Marine Geology 357: 362-383.