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Earth Science | Oceans | Ocean Acoustics | Acoustic Scattering

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    This data set contains Simrad EK500 single beam echosounder data at 38 and 120 kHz and Simrad EA500 single beam echosounder data at 12 kHz from the Southern Surveyor. The EK500 data is primarily for water column characterisation (fish stocks, microplankton distribution) and on occasions for seabed classification (particularly prior to the EM300 swath mapper being installed), while the EA500 data is primarily for bathymetric readings.

  • Categories  

    This data set contains Simrad EK500 single beam echosounder data at 38 and 120 kHz and Simrad EA500 single beam echosounder data at 12 kHz from the Southern Surveyor. The EK500 data is primarily for water column characterisation (fish stocks, microplankton distribution) and on occasions for seabed classification (particularly prior to the EM300 swath mapper being installed), while the EA500 data is primarily for bathymetric readings.

  • This record describes echosounder data collected on RV Investigator voyage IN2015_E01, which departed Hobart on the 29 Jan 2015 and returning to Hobart on the 19 Feb 2015, after successfully testing equipment at 65° south. The Simrad EK60 split beam echosounders 38, 70, 120, 200 and 333 KHz were used to acquire water column and bathymetry data between Hobart and Antarctica. Data are stored in *.raw *.bot and *.idx format at CSIRO Oceans and Atmosphere. There are 906 files totalling 43.1 GB of raw data in this dataset. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2015_T01, which departed Hobart 2015-05-10 and arrived Sydney on 2015-05-13. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope from Hobart to Sydney. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 65 files totaling 2.6 GB of raw data in this dataset. Sound velocity profiles using sea surface temperature were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Processed data are available in XYZ and GSF format. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2015_E06, which consisted of three legs, 5-8 Oct 2015, 9-11 Oct 2015 and 12-16 Oct 2015, in and out of Hobart. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information out to deep water 42-43 S. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 47 files totaling 1.24 GB of raw data in this dataset. 24 sound velocity profiles were applied to this data during data acquisition. Processed data are available in XYZ and GSF format. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2015_T01, which departed Hobart 2015-05-10 and arrived Sydney on 2015-05-13. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope from Hobart to Sydney. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 33 files totaling 3.1 GB of raw data in this dataset. Sound velocity profiles using climatology were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Processed data are available in XYZ and GSF format. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes multibeam echosounder data collected on RV Investigator voyage IN2014_E02. The sea trial voyage included two legs, both from Hobart to Hobart with Leg 1 between 28th of October to the 1st November and Leg 2 from the 1st November to the 6th November. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 159 files totalling 6.39 GB of raw data in this dataset. 69 sound velocity profiles were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products available on request.

  • This record describes echosounder data collected on Southern Surveyor voyage IN2014_E02. The sea trial voyage included two legs, both from Hobart to Hobart with Leg 1 between 28th of October to the 1st November and Leg 2 from the 1st November to the 6th November. The Simrad EK60 split beam echosounders 18, 38, 70, 120, 200 and 333 KHz acquired high resolution water column and bathymetry data throughout the voyage. Data are stored in *.raw *.bot and *.idx format at CSIRO Oceans and Atmosphere. There are 57 files totalling 10.76 GB of raw data in this dataset. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

  • This record describes echosounder data collected on RV Investigator Event voyage IN2014_E03 which departed Hobart on the 10 Nov 2014 and returned to Hobart on the 17 Nov 2014. The Simrad ME70 echosounder was used to acquire water column data in from the East Coast of Tasmania. Data are stored in Simrad *.raw raw format at CSIRO Oceans and Atmosphere. There are 101 files totalling 9.45 GB of raw data in this dataset. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.

  • This record describes echosounder data collected on RV Investigator voyage IN2014_E04 which departed Hobart on the 26 Nov 2014 and returned to Hobart on the 28 Nov 2014. The Simrad ME70 echosounder was used to acquire water column data in Storm Bay and east of Hobart. Data are stored in Simrad *.raw raw format at CSIRO Oceans and Atmosphere. There are 23 files totalling 20 GB of raw data in this dataset. Additional information regarding this dataset is contained in the GSM data acquisition and processing report.