This resource contains multibeam bathymetry data collected as part of the Darwin and Bynoe Harbour Habitat Mapping Project undertaken by Geoscience Australia (GA), the Australian Institute of Marine Science (AIMS) and the Northern Territory Government (Department of Environment and Natural Resources). The data were acquired during the period from 3 to 27 May 2016 on the RV Solander (survey SOL6432/GA04452). This project was made possible through offset funds provided by INPEX-led Ichthys LNG Project to Northern Territory Government Department of Environment and Natural Resources, and co-investment from Geoscience Australia and Australian Institute of Marine Science. The intent of this four year (2014-2018) project is to improve knowledge of the marine environments in the Darwin and Bynoe Harbour regions by collating and collecting baseline data that enable the creation of thematic habitat maps that underpin marine resource management decisions. The specific objectives of the survey were to: 1. Obtain high-resolution geophysical (multibeam bathymetry) data for Bynoe Harbour; 2. Characterise seabed substrates (multibeam acoustic backscatter properties, seabed sediment grainsize, sediment chemistry) for Bynoe Harbour; and 3. Collect tidal data for the survey area. Data acquired during the survey included: multibeam sonar bathymetry and acoustic backscatter; physical samples of seabed sediments, seabed still images and video footage of grab sample locations, and oceanographic information including tidal data and water column sound velocity profiles. This V1 dataset contains two 2m resolution 32-bit geotiff of the SOL6432 survey area produced from the processed Kongsberg EM2040C bathymetry data. A detailed account of the survey is provided in: Siwabessy, P.J.W., Smit, N., Atkinson, I., Dando, N., Harries, S., Howard, F.J.F., Li, J., Nicholas W.A., Picard, K., Radke, L.C., Tran, M., Williams, D. and Whiteway, T. 2016. Bynoe Harbour Marine Survey 2016: GA4452/SOL6432 – Post-survey report. Record 2017/04. Geoscience Australia, Canberra. http://dx.doi.org/10.11636/Record.2017.004. This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.

This resource includes bathymetry data for Arafura Marine Park (Arafura Sea) collected by Geoscience Australia (GA) and the Australian Institute of Marine Science during the period 2 – 15 November 2020 on the RV Solander. The survey was undertaken as a collaborative project funded through the National Environmental Science Program Marine Biodiversity Hub, with co-investment by GA and AIMS. The purpose of the project was to build baseline information for benthic habitats in Arafura Marine Park that will support ongoing environmental monitoring within the North Marine Park Network as part of the 10-year management plan (2018-2028). Data acquisition for the project included multibeam bathymetry and backscatter for two areas (Money Shoal and Pillar Bank), seabed samples and underwater imagery of benthic communities and demersal fish. This bathymetry dataset contains a 6 m resolution 32-bit geotiff of the survey areas produced from the processed EM2040C Dual Head system using CARIS HIPS and SIPS software. A detailed report on the survey is provided in: Picard, K. Stowar, M., Roberts, N., Siwabessy, J., Abdul Wahab, M.A., Galaiduk, R., Miller, K., Nichol, S. 2021. Arafura Marine Park Post Survey Report. Report to the National Environmental Science Program, Marine Biodiversity Hub.

This resource includes bathymetry data acquired during the Ashmore Reef Marine Park survey using Kongsberg EM302 and EM710 multibeam sonar systems. The Ashmore Reef Marine Park bathymetry survey (GA4870/FK210409), also known as the Australian Mesophotic Coral Examination survey, was led by AIMS aboard the Schmidt Ocean Institute's research vessel Falkor, from the 09th of April to the 26th of April 2021. The primary objective of the expedition was to map Mesophotic Coral Ecosystems (MCE’s), monitor anthropogenic and natural stressors to MCE’s and use an ROV and AUV to capture high definition video and collect samples. The data collected from the expedition will develop baseline knowledge to inform conservation efforts and improve management of the Ashmore Reef Marine Park. This V1 dataset contains one 16m resolution 32-bit floating point geotiff file of the Ashmore Reef Marine Park bathymetry, derived from the processed EM302 and EM710 bathymetry data, using CARIS HIPS and SIPS software. This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.

This resource includes bathymetry data acquired during the HMAS Canberra bathymetry survey (GA-4880). Data was acquired by Deakin University on the 3rd of November 2020 onboard the M/V Yolla using a Kongsberg EM2040c sonar system. The objective of this survey was to map the HMAS Canberra wreck. The HMAS Canberra wreck is in Bass Strait between Port Lonsdale and Barwon Heads, Victoria, Australia. This dataset contains a 0.5 m resolution 32-bit geotiff of the HMAS Canberra shipwreck survey area produced from the processed EM2040c bathymetry data of the survey area using CARIS HIPS and SIPS software. This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.

This resource includes bathymetry data acquired during the Southern Gulf of Carpentaria bathymetry survey using Simrad EM300 and Reson Seabat 8101 multibeam sonar systems. Southern Gulf of Carpentaria bathymetry survey (GA0276) was led by Dr. Peter Harris (Geoscience Australia) aboard the Marine National Facility's research vessel Southern Surveyor, from the 23rd of March to the 13th of April 2005. The primary objective of the expedition was to map submerged reefs to ascertain their geomorphic nature and document the benthic communities and fauna. This dataset contains four 4m to 7m resolution 32-bit floating point geotiff files of the bathymetry in five study areas and transits, derived from the processed EM300 and Reson 8101 bathymetry data, using CARIS HIPS and SIPS software. A detailed report on the survey is provided in: Harris, P et al. 2006. Submerged coral reefs and benthic habitats of the southern Gulf of Carpentaria: Post-Survey Report - GA Survey 276, RV Southern Surveyor (https://pid.geoscience.gov.au/dataset/ga/65073). This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.

The Banks Strait bathymetry survey was acquired for the Australian Hydrographic Office (AHO) onboard the M/V Offshore Solution and SMB Indigo during the period 20 January – 17 July 2021. The survey was contracted as part of the HydroScheme Industry Partnership Program (HIPP). The survey area encompasses Banks Strait located between the Northern Tasmanian coast and the Furneaux Group (including Cape Barren, Clarke and Flinders Islands). Bathymetry data was acquired using a Kongsberg EM2040-04 MKII and EM 2040P multibeam sonar and processed using QPS Qimera V2.0.1. The dataset was then exported to GeoTIFF using CARIS HIPS and SIPS software. This dataset contains a 30m-resolution 32-bit floating point GeoTIFF file. This dataset is not to be used for navigational purposes.

<b>This record was superseded on 11/11/2022 with approval from Director, National Seabed Mapping as it has been superseded by eCat 147191</b> Seabed mapping data collected using a Kongsberg 2040C multibeam sonar system aboard research vessel MVYolla including bathymetry (2 metre resolution), backscatter (1metre resolution), watercolumn and preliminary hard bottom classification. Seabed mapping in Apollo Marine Park with 114 square kilometres of continuous seabed mapping conducted by Deakin University in partnership with iXblue for Parks Australia.

The GMRT-AusSeabed project aims to address the cost associated with processing, merging and reformatting of bathymetric data in marine modelling and management. This will be achieved by adopting and expanding the Global Multi-Resolution Topography Synthesis (GMRT) tool and becoming a local platform node focused on Australia’s region of marine responsibility. The GMRT is operated by Lamont Doherty Earth Observatory and funded by the US National Science Foundation. The implementation of GMRT for Australia is supported by funding from the Australian Research Data Commons (ARDC). One of the main deliverables for the project is a user needs analysis, which will inform the design of the platform. This report presents a summary of the outcomes of the engagement with the ocean and coastal modelling community to ensure the solutions are fit-for-purpose. The initial project plan included a proposal for in-person workshop with the modelling community to establish user requirements, however COVID-19 restrictions were in place during the project and this was not possible. Instead, requirements were gathered from the community via an online survey. An overview of the survey questions and responses is presented in Section 2, while Section 3 provides some further analysis of the results and recommendations for the design of the new platform.

This resource includes bathymetry data acquired during the Shellharbour Tharawal marine survey collected by the NSW government (Department of Planning and Environment – DPE) during the period 25 May – 30 November 2017 onboard the RV Bombora using DPE’s R2Sonic 2022 multibeam sonar. The Shellharbour bathymetry survey was led by Dr. Bradley Morris (DPE Coasts and Marine) as part of SeabedNSW program funded by NSW Coastal Reforms package. The purpose of the project was to 1) provide a baseline dataset and 2) map the spatial distribution of seabed types. The data will provide a better understanding of nearshore sediment distribution/transport mechanisms for improved assessment of threats/risks associated with erosion events (i.e. East Coast Lows) and changing sea levels. This dataset contains a 32-bit floating point geotiff file of backscatter (5m gridded) for the study area, derived from the processed R2Sonic 2022 multibeam data, using Hypack, R2Sonic GUI, POSView, POSPac, Qimera and FMGT software. A detailed report on the survey is provided in: i) AusSeabed Survey Report and ii) NSW DPE Scientific Rigor Statement NSWENV_20171130_Shellharbour_MB_ScientificRigour.pdf. This dataset is not to be used for navigational purposes. This dataset is published with the permission of the Senior Team Leader and the department’s Hydrosurveyor, Coasts and Marine Science, NSW Dept. Planning and Environment.

This resource includes bathymetry data acquired during the Recherche Archipelago 2003 bathymetry survey collected using a Reson SeaBat 8125 multibeam sonar system by Curtin University of Technology (CUT) on the charter vessel Firebird during the period 29th October – 6th November 2003. The survey was undertaken as a collaborative project between CUT and the University of Western Australia (UWA) under the Coastal Water Habitat Mapping (CWHM) Project within Coastal Cooperative Research Centre Program. The purpose of the project was to build baseline information for benthic habitats within the study area. This V1 dataset contains a 2m resolution 32-bit floating point geotiff file of the Recherche Archipelago bathymetry, derived from the processed Reson SeaBat 8125 bathymetry data, using CARIS HIPS and SIPS software. This dataset is not to be used for navigational purposes. This dataset is published with the permission of the CEO, Geoscience Australia.