Brief description
This record describes the Acoustic Doppler Current Profiler (ADCP) data collected from the Marine National Facility RV Investigator voyage IN2020_V01, titled: "Development of William’s Ridge, Kerguelen Plateau: tectonics,hotspot magmatism, microcontinents, and Australia’s Extended Continental Shelf." The voyage took place between January 10 and March 6, 2020, departing from Freemantle and returning to Freemantle.The primary scientific operations of the voyage were multibeam survey, seismic lines and dredging of the William’s and Broken Ridge features. ADCPs were turned off intermittently to avoid interference with multibeam during surveys. On Jan the 15th the OS75 was reporting excessively high temperatures. According to Uni of Hawaii, this is most likely due to water ingress into the transducer indicating potential failure.
Temperatures eventually settled at full-scale (~97 deg C), which had a significant effect on calculated water velocities. Soundspeed was manually set to 1500 m/s (this is a setting sent to the deck box via UHDAS) for real-time processing, however special processing will be required for the period with bad temperatures and therefore bad soundspeed. Despite this, the OS75 worked well for the remainder of the voyage.
Data was collected in two parts during the voyage at the following dates:
First Part: 10 Jan. 2020 – 18 Jan. 2020 (8 days)
Second Part: 12 Feb. 2020 – 06 Mar. 2020 (24 days)
Note that there is no data from 19th Jan. to 11 Feb. Subsequently, two datasets have been created and processed separately for each part of the voyage.
This dataset was processed (quality-controlled), and then archived by the CSIRO National Collections and Marine Infrastructure (NCMI) Information and Data Centre (IDC).
Lineage
Maintenance and Update Frequency: asNeeded
Statement: Original field data.
Data processing and quality control: Performed by Vito Dirita, NCMI DAP Group. Note that 1min average data is provided as a special request, however it is unedited and has data quality implications. For general use, the 5min average data (os150nb.nc) should be used.
Data processing and quality control: Performed by Vito Dirita, NCMI DAP Group. Note that 1min average data is provided as a special request, however it is unedited and has data quality implications. For general use, the 5min average data (os150nb.nc) should be used.
Notes
CreditADCP data processed by Vito Dirita (CSIRO NCMI, MNF Data Acquisition and Processing group).
Credit
These data were collected on the Marine National Facility (MNF) RV Investigator voyage IN2020_V01
These data were collected on the Marine National Facility (MNF) RV Investigator voyage IN2020_V01
Credit
The MNF must be acknowledged in all outputs derived from Data and/or Samples collected by, or with support from, the MNF. Acknowledge the MNF in outputs with the statement: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” Acknowledgment and citations should be in all forms of publication including presentations (where the acknowledgement should be on the closing slide), journals, books, reports and related research outputs.
The MNF must be acknowledged in all outputs derived from Data and/or Samples collected by, or with support from, the MNF. Acknowledge the MNF in outputs with the statement: “We acknowledge the use of the CSIRO Marine National Facility (https://ror.org/01mae9353 ) in undertaking this research.” Acknowledgment and citations should be in all forms of publication including presentations (where the acknowledgement should be on the closing slide), journals, books, reports and related research outputs.
Data time period: 2020-01-10 to 2020-03-06
text: westlimit=80; southlimit=-55; eastlimit=120; northlimit=-30; projection=WGS 84 (EPSG:4326)
Subjects
ADCP (Acoustic Doppler Current Profiler) |
Current direction in the water body |
Current speed in the water body |
Development of William’s Ridge, Kerguelen Plateau: tectonics, hotspot magmatism, microcontinents, and Australia’s Extended Continental Shelf |
EARTH SCIENCE |
Eastward current velocity in the water body |
Global / Oceans | Southern Ocean |
MNF Research voyage (ShortNameSuffix _vnn) |
Marine National Facility |
Northward current velocity in the water body |
OCEAN CIRCULATION |
Ocean Currents |
OCEANS |
Research Voyage: IN2020_V01 |
Ship: Investigator (RV) |
States, Territories (Australia) | Western Australia |
Upward current velocity in the water body |
Vessel Data: ADCP |
current profilers |
oceans |
research vessel |
User Contributed Tags
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Other Information
Link to Data License / Attribution statements (Data Licensing)
uri :
https://creativecommons.org/licenses/by/4.0/
Link to the Marine National Facility Homepage (Marine National Facility)
uri :
https://mnf.csiro.au/
Identifiers
- global : c67cd4f2-28ef-495f-8e19-f35ae79664db
