Data

IN2018_T02 Brisbane to Hobart Transit Bathymetry 10m - 210m Multi-resolution AusSeabed products

Commonwealth Scientific and Industrial Research Organisation
Hallegraeff, Gustaaf ; Boyd, Matt ; Vandenbossche, Phil ; Navidad, Cisco ; Taylor, Charlie ; Plunkett, Tom
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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=info:doi10.25919/r69s-ry93&rft.title=IN2018_T02 Brisbane to Hobart Transit Bathymetry 10m - 210m Multi-resolution AusSeabed products&rft.identifier=10.25919/r69s-ry93&rft.publisher=Commonwealth Scientific and Industrial Research Organisation (CSIRO)&rft.description=This layer group describes multibeam echosounder data collected on RV Investigator voyage In2018_T02 titled Harmful Algal Blooms and their long-term sediment record in East Coast Tasmanian waters. The voyage took place between May 13 and May 21, 2018, departing from Brisbane (QLD) and arriving in Hobart (TAS). The overall objective of this transit voyage was aimed at addressing the following research topics: 1. Harmful Algal Blooms and their long-term sediment record in East Coast Tasmanian waters 2. Spatial and temporal variability in the distribution and abundance of seabirds 3. Remote-ROAM: mobile modelling sea trials This dataset is published with the permission of CSIRO. Not to be used for navigational purposes. The dataset contains bathymetry grids of 10m to 210m resolution of the transit from Brisbane to Hobart produced from the processed EM122 and EM710 bathymetry data.Multibeam data was logged from the EMs in Kongsberg’s proprietary *.all format and was converted to be processed within Caris HIPS and SIPS version 10.3.3 on the CARIS4 PC. Once the raw files were converted into HIPS and SIPS using the appropriate vessel file, either EM122 or EM710, the data were merged and then analysed for noise. The data was then gridded at the highest resolution possible and further inspected for outliers. The data was then gridded at multiple resolutions in python Caris batch script using a Depth filter Vs Resolution guideline derived from AusSeabed Multibeam guidelines v2 and further inspected for outliers. Final raster products are available in L3 folder of this collection. Final processed data were also exported per line as GSF and ASCII format and available in the L2 folder of this collection.&rft.creator=Hallegraeff, Gustaaf &rft.creator=Boyd, Matt &rft.creator=Vandenbossche, Phil &rft.creator=Navidad, Cisco &rft.creator=Taylor, Charlie &rft.creator=Plunkett, Tom &rft.date=2023&rft.edition=v2&rft.coverage=northlimit=-27.0000; southlimit=-43.3000; westlimit=147.2000; eastLimit=154.0000; uplimit=-4937.288086; downlimit=-11.329478; projection=WGS84&rft_rights=All Rights (including copyright) CSIRO 2022.&rft_rights=Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/&rft_subject=AusSeabed&rft_subject=MNF&rft_subject=CSIRO&rft_subject=Marine geoscience&rft_subject=Geology&rft_subject=EARTH SCIENCES&rft_subject=Surveying (incl. hydrographic surveying)&rft_subject=Geomatic engineering&rft_subject=ENGINEERING&rft.type=dataset&rft.language=English Access the data
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All Rights (including copyright) CSIRO 2022.

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Data is accessible online and may be reused in accordance with licence conditions

Brief description

This layer group describes multibeam echosounder data collected on RV Investigator voyage In2018_T02 titled "Harmful Algal Blooms and their long-term sediment record in East Coast Tasmanian waters". The voyage took place between May 13 and May 21, 2018, departing from Brisbane (QLD) and arriving in Hobart (TAS).

The overall objective of this transit voyage was aimed at addressing the following research topics:
1. Harmful Algal Blooms and their long-term sediment record in East Coast Tasmanian waters
2. Spatial and temporal variability in the distribution and abundance of seabirds
3. Remote-ROAM: mobile modelling sea trials

This dataset is published with the permission of CSIRO. Not to be used for navigational purposes.

The dataset contains bathymetry grids of 10m to 210m resolution of the transit from Brisbane to Hobart produced from the processed EM122 and EM710 bathymetry data.

Lineage

Multibeam data was logged from the EMs in Kongsberg’s proprietary *.all format and was converted to be processed within Caris HIPS and SIPS version 10.3.3 on the CARIS4 PC. Once the raw files were converted into HIPS and SIPS using the appropriate vessel file, either EM122 or EM710, the data were merged and then analysed for noise. The data was then gridded at the highest resolution possible and further inspected for outliers.

The data was then gridded at multiple resolutions in python Caris batch script using a Depth filter Vs Resolution guideline derived from AusSeabed Multibeam guidelines v2 and further inspected for outliers. Final raster products are available in L3 folder of this collection. Final processed data were also exported per line as GSF and ASCII format and available in the L2 folder of this collection.

Data time period: 2018-05-13 to 2018-05-21

This dataset is part of a larger collection

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Subjects
AusSeabed | CSIRO | Earth Sciences | Engineering | Geology | Geomatic Engineering | MNF | Marine Geoscience | Surveying (Incl. Hydrographic Surveying) |

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