Pilot investigation of the origins and pathways of marine debris found in the northern Australian marine environment

Important Disclaimer CSIRO advises that the information contained in this publication comprises general statements based on scientific research. The reader is advised and needs to be aware that such information may be incomplete or unable to be used in any specific situation. No reliance or actions must therefore be made on that information without seeking prior expert professional, scientific and technical advice. To the extent permitted by law, CSIRO (including its employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this publication (in part or in whole) and any information or material contained in it. Pilot investigation of the origins and pathways of marine debris found in the northern Australian marine environment 3 Contents 1. CONTENTS 4 Pilot investigation of the origins and pathways of marine debris found in the northern Australian marine environment Figure 2 Derelict fishing net density in the Gulf of Carpentaria recorded by the helicopter seagrass survey of Roelofs et al. Figure 3 Map of study region showing geographic names and the 'Far Field' (solid circles) and Near Field (open circles) subsets of points where virtual drifters were released in the model.. Figure 6 Map of the whole study region (upper panel) and northern Australia (lower panel), showing the representation of bottom topography used in the Bluelink model. The depth key pertains to both panels. The position of the 200m isobath (according to the General Bathymetric Chart of the Oceans-Figure 7 Map of the whole study region (upper panel) and northern Australia (lower panel), showing the February (1995-2004) mean of surface layer (0-10m) velocity in BRAN2.1 as speed (see key) and direction (arrow heads). Figure 8 Map of the whole study region (upper panel) and northern Australia (lower panel), showing the May (1995-2004) mean of surface layer (0-10m) velocity in BRAN2.1 as speed (see key) and direction (arrow heads). Figure 9 Map of the whole study region (upper panel) and northern Australia (lower panel), showing the August (1995-2004) mean of surface layer (0-10m) velocity in BRAN2.1 as speed (see key) and direction (arrow heads). Figure 10 Map of the whole study region (upper panel) and northern Australia (lower panel), showing the November (1995-2004) mean of surface layer (0-10m) velocity in BRAN2.1 as speed (see key) and direction (arrow heads). Figure 11 Map of …