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RV Investigator Voyage IN2016_V04 SBP120 Sub-bottom Profiler Data

Created 12/10/2024

Updated 12/10/2024

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This record describes sub bottom profiler data collected on RV Investigator voyage IN2016_V04, 'Influence of temperature and nutrient supply on the biogeochemical function and diversity of ocean microbes' which departed Sydney on the 31-Aug-2016 and returned to Brisbane on the 23-Sept-2016.

The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution. The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged for the extent of the voyage.

Data are stored in .raw (79 files 4.98 GB) raw and .seg (80 files 4.96 GB) segy formats at CSIRO. The segy format data has had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping, an attribute calculation for instantaneous amplitude and time variable gain. Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.

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Title RV Investigator Voyage IN2016_V04 SBP120 Sub-bottom Profiler Data
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/b24e86e2-ebe7-4c29-a4dd-367311066be8
Contact Point
Atlantic Oceanographic and Meteorological Laboratory (AOML)
data-requests-hf@csiro.au
Reference Period 24/10/2016
Geospatial Coverage {"type": "Polygon", "coordinates": [[[149.82861328125003, -37.42117404370641], [157.38720703125003, -37.42117404370641], [157.38720703125003, -27.116297716370546], [149.82861328125003, -27.116297716370546], [149.82861328125003, -37.42117404370641]]]}
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