{"help": "https://data.gov.au/data/en/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "unknown", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "bb12fcbd-343b-4920-b4cd-ee2174d53d86", "isopen": false, "license_id": "cc-by", "license_title": "Creative Commons Attribution 3.0 Australia", "license_url": "http://creativecommons.org/licenses/by/3.0/au/", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-06-24T13:43:23.402794", "metadata_modified": "2025-11-13T16:01:48.219731", "name": "nsw-nsw-environment-multibeam-survey-gridded-bathymetry-and-backscatter-datasets", "notes": "Gridded multi-beam echousounder (MBES) bathymetry and backscatter data acquired using NSW government's (NSW Department of Climate Change Energy Environment and Water) multi-beam echosounder (MBES) systems aboard RV's Bombora, Seascan and Glaucus. Fieldwork surveys were completed as part of the SeabedNSW program funded by NSW government under State-wide Science (2022-30), Coastal Reforms (2015-2022), HabMap Program (2005-2015) or under collaboration with partner agencies or institutions (DPI, Parks Australia, NESP). Surveys are predominantly on the open coast and within NSW state waters (<3NM) in priority areas as determined by the focus of source funding; i.e. Coastal Reforms surveys focused on providing 100% coverage for high priority Secondary Sediment Compartments; marine park mapping focused on Habitat Protection and Sanctuary zones. MBES data were obtained using semi-permanent installations of either a Geoswath 125 KHZ swath bathymetry system (2005-2017) or R2Sonic 2022 (>2017) with Applanix Wavemaster POSMV (>2011) providing positioning, height (RTK) and 3D motion solution; or Edgetech swath system w sidescan (>2021). MBES was collected in GS+ (GeoAcoustics) or Hypack with attitude and positional data acquired in POSView and post processed using POSPac either Single-Base or Precise-Point-Positioning modules for improved vessel Smoothed Best Estimate of Trajectory. Data were cube modeled in Fledermaus/Qimera software (>2010) to IHO 1B standard and cleaned-soundings exported before being gridded using bin-weighted averaging (generally 5 m grid cell size) relative to Australian Height Datum and issued in grid coordinates (UTM WGS84 Zone55 or 56; GDA2020 Zone 55 or 56). General details on vessel setup, mobilisation and processing are provided at https://www.environment.nsw.gov.au/-/media/OEH/Corporate-Site/Documents/Research/Our-science-and-research/seabed-nsw-standard-operating-procedures-multibeam-surveying-190101.pdf with survey specific details in the Survey Report and survey Rigor Statement (provided upon request). Data packages provided via the Australian Oceanographic Data Network (https://portal.aodn.org.au/) include bathymetry and backscatter in multiple formats; while those provided on AusSeabed (https://portal.ga.gov.au/persona/marine) are gridded bathymetry and backscatter data as geotif only. Data are not to be used for navigation purposes.", "num_resources": 2, "num_tags": 11, "organization": {"id": "9f679b02-a5d3-4fdd-a3b0-afbb1a8f8fa6", "name": "nsw-department-of-climate-change-energy-the-environment-and-water-datansw", "title": "NSW Department of Climate Change, Energy, the Environment and Water", "type": "organization", "description": "Ensuring a sustainable NSW through climate change and energy action, water management, environment and heritage conservation and protection.", "image_url": "", "created": "2025-06-24T03:16:40.369953", "is_organization": true, "approval_status": "approved", "state": "active"}, "original_harvest_source": {"site_url": "https://data.nsw.gov.au/data/", "href": "https://data.nsw.gov.au/data/dataset/nsw-nsw-environment-multibeam-survey-gridded-bathymetry-and-backscatter-datasets", "title": "DataNSW"}, "original_name": "nsw-nsw-environment-multibeam-survey-gridded-bathymetry-and-backscatter-datasets", "owner_org": 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