This record describes multibeam echosounder data collected on the Marine National Facility RV Investigator voyage IN2015_V01. This is the first research voyage for the RV Investigator departing Hobart on the 21 March and returning to Hobart on the 30 March, 2015. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information when in water less than 1000 m. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 19 files totaling 3.48 GB of raw data in this dataset. 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 multibeam echosounder data collected on RV Investigator voyage IN2015_E04, which departed Hobart 2015-04-25 and returned on 2015-04-28. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope offshore from Storm Bay. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 32 files totaling 0.8 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_E03, which departed Hobart 2015-04-16 and returned on 2015-04-23. The Kongsberg EM7122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope offshore from Maria Island. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 20 files totaling 0.8 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 not yet 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_E03, which departed Hobart 2015-04-16 and returned on 2015-04-23. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope offshore from Maria Island. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 26 files totaling 1.23 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 not yet 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_E02, which departed Hobart 2015-04-07 and returned on 2015-04-14. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the south coast within the Huon MPA. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 39 files totaling 3.3 GB of raw data in this dataset. The acquisition PC failed mid voyage and no data was acquired within the seamounts region within the MPA. 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_E04, which departed Hobart 2015-04-25 and returned on 2015-04-28. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the east coast slope offshore from Storm Bay. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 21 files totaling 1.8 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 not yet 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_E01, which departed Hobart on the 29 Jan 2015 and returned to Hobart on the 19 Feb 2015, after successfully testing equipment at 65° south. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information in from Hobart to Antarctic waters. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 389 files totalling 11.4 GB of raw data in this dataset. 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 multibeam echosounder data collected on RV Investigator voyage IN2015_V03, which departed Brisbane on the 3rd June 2015 and arrived Sydney on 18th June 2015. The Kongsberg EM122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information in the Tasman Sea. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 368 files totalling 18.2 GB of raw data in this dataset. 31 sound velocity profiles 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_V03, which departed Brisbane on the 3rd June 2015 and arrived Sydney on 18th June 2015. The Kongsberg EM710 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information in Tasman Sea. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 168 files totaling 18.4 GB of raw data in this dataset. 31 sound velocity profiles 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_E02, which departed Hobart 2015-04-07 and returned on 2015-04-14. The Kongsberg EM7122 multibeam echosounder was used to acquire seafloor bathymetry and backscatter information along the south coast area within the Huon MPA. Ping rate varied according to depth. Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 133 files totaling 3.49 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.