AUV Imagery from Gippsland Basin III (GA355 Long-term after survey)

This dataset is part of the Gippsland Marine Environmental Monitoring (GMEM) project. The GMEM was developed in response to stakeholder concerns from the fisheries industry about a Geoscience Australia seismic survey in the Gippsland Basin (GA352 in April 2015), in addition to a broader need to acquire baseline data to be used to quantify impacts of seismic operations on marine organisms. A component of this study was to acquire images of the seafloor before and after the seismic survey for analysis of potential impacts of seismic operations on scallops.


This dataset contains information collected from the Autonomous Underwater Vehicle (AUV) Phoenix and AUV Sirius on survey GA-355 conducted 18-22 February 2016 on the M.V. Dell Richey II.


The AUV Phoenix was the main system used to collect imagery analysed in the GMEM project using the two loop pattern (Figure 1) from previous surveys (GA-350 and GA-353). The AUV Sirius was deployed to collect concurrent dense image grids at selected stations (05, 08, 37, 45) and to provide a back-up to the Phoenix in the event of equipment issues. This occurred at Stations 40 and 41, and as such the Sirius collected images in the two-loop pattern.


In addition to the main study area for the GMEM, the AUV Sirius was also deployed outisde Devonport, Tasmania in order to establish workflow, fine-tune technical aspects, and census scallop beds that were known to be in ill health. Imagery from these stations are included in sub-folder 'Devonport_Sites'.


Due to strong currents and possible navigation issues, some of the AUV paths deviated from the planned path and also varied in altitude. Nevertheless, the georeferencing of images released in this data package reflects the actual position of the AUV during image acquisition.


Post-processing included image colour-balancing and simultaneous localisation and mapping (SLAM) processing of the stereo imagery to improve georeferencing of the imagery. The optical imagery is provided in zip files as geotiffs (individual colour-corrected images), mosaics, and mesh (3D seafloor reconstructions).

Simple

Identification info

Date (Creation)
2016-08-11T00:00:00
Date (Publication)
2016-11-08T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/101460

Cited responsible party
Role Organisation / Individual Name Details
Author

Przeslawski, R.

 1
Purpose

Provide baseline data. Assess potential impacts of seismic survey on scallops

Status
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

 Voice
Point of contact

Carroll, A.

 Place and Communities Internal Contact
Resource provider

Place and Communities Division

 External Contact
Spatial representation type
Topic category
  • Oceans

Extent

Temporal extent

Time period
2016-08-20

Extent

N
S
E
W


Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Website

Data Store directory containing the digital product files

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

Theme

  • marine

Taxon

  • scallop

Australian and New Zealand Standard Research Classification: Fields of Research

  • Earth Sciences

Keywords

  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

 Voice
OnLine resource

Link to NCI data location

Link to NCI data location

Resource lineage

Statement

Not supplied

Hierarchy level
Dataset

Metadata constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/278a7db2-d31f-44b1-bb19-f617d913a545

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

 Voice
Point of contact

Carroll, A.

 Place and Communities Internal Contact

Type of resource

Resource scope
Dataset
Name

seafloor imagery

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/101460

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/278a7db2-d31f-44b1-bb19-f617d913a545

Date info (Creation)
2016-08-11T11:54:38
Date info (Revision)
2018-04-22T08:25:27

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

marine scallop
Australian and New Zealand Standard Research Classification: Fields of Research
Earth Sciences

Provided by

Access to the portal

Associated resources

Not available