{"help": "https://data.gov.au/data/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author_email": null, "contact_point": "data-requests-hf@csiro.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "935139f4-3aaf-4b0c-8976-220d159ecb69", "isopen": false, "language": "eng", "license_id": "notspecified", "license_title": "notspecified", "maintainer": null, "maintainer_email": null, "metadata_created": "2025-06-24T23:09:41.458724", "metadata_modified": "2025-06-24T23:09:41.458730", "name": "rv-investigator-voyage-in2019_v02-em710-multibeam-echosounder-data", "notes": "This record describes multibeam echosounder data collected on RV Investigator voyage IN2019_V02, titled 'SOTS: Southern Ocean Time Series automated moorings for climate and carbon cycle studies southwest of Tasmania; Subantarctic Biogeochemistry of Carbon and Iron, Southern Ocean Time Series site', which departed Hobart on the 14 March 2019 and returned to Hobart on the 5 April 2019. \nThe Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information around Southeast Tasmania.\nThe EM710 provides a 0.5\u00b0 by 1\u00b0 transmit and receive angular resolution respectively. The echosounder's nominal frequency range is from 70 to 100 kHz.\nData are stored in *.all raw format for bathymetry and backscatter at CSIRO. There are 98 files totalling 4.92 GB of raw data in this dataset.\nSound velocity profiles were applied to this data during data acquisition. Bathymetry data contained in *.all format is corrected for motion and position.\nTide corrections were not applied to the processed data. Processed data had outliers removed. Processed line data are available in *.gsf and ascii format, and processed bathymetry and backscatter grids in geotiff format.\nAdditional information regarding this dataset, including further information on processing streams, is contained in the GSM data acquisition and processing report. 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