Data

NSW Environment Multi Beam Echo Sounder Gridded Data

data.nsw.gov.au
NSW Department of Climate Change, Energy, the Environment and Water (Owner)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.nsw.gov.au/data/dataset/nsw-environment-multibeam-survey-gridded-bathymetry-and-backscatter-datasets&rft.title=NSW Environment Multi Beam Echo Sounder Gridded Data&rft.identifier=http://data.nsw.gov.au/data/dataset/nsw-environment-multibeam-survey-gridded-bathymetry-and-backscatter-datasets&rft.publisher=data.nsw.gov.au&rft.description=Data Quality StatementAODNGridded 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 (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.&rft.creator=Anonymous&rft.date=2024&rft.coverage=149.4580078125,-37.69077605563387 149.4580078125,-27.807984756239158 154.5556640625,-27.807984756239158 154.5556640625,-37.69077605563387 149.4580078125,-37.69077605563387&rft_rights=Creative Commons Attribution http://www.opendefinition.org/licenses/cc-by&rft_subject=ECOLOGY-Habitat&rft_subject=GEOSCIENCES-Geomorphology&rft_subject=MARINE-Biology&rft_subject=MARINE-Coasts&rft_subject=MARINE-Geology-and-Geophysics&rft_subject=MARINE-Reefs&rft_subject=Marine conservation&rft_subject=Seabed habitats&rft_subject=baseline&rft_subject=bathymetry&rft_subject=monitoring&rft.type=dataset&rft.language=English Access the data

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Brief description

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.

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Data Quality Statement
AODN

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149.45801,-37.69078 149.45801,-27.80798 154.55566,-27.80798 154.55566,-37.69078 149.45801,-37.69078

152.0068359375,-32.749380405937

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