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Browse Basin Leveque Shelf Environmental Survey (GA-0340/ SOL5754) (NCIP Program) - High Resolution Bathymetry Grids

Geoscience Australia undertook a marine survey of the Leveque Shelf (survey number (GA-0340/SOL5754), a sub-basin of the Browse Basin, in May 2013. This survey provides seabed and shallow geological information to support an assessment of the CO2 storage potential of the Browse sedimentary basin. The basin, located on the Northwest Shelf, Western Australia, was previously identified by the Carbon Storage Taskforce (2009) as potentially suitable for CO2 storage. The survey was undertaken under the Australian Government's National CO2 Infrastructure Plan (NCIP) to help identify sites suitable for the long term storage of CO2 within reasonable distances of major sources of CO2 emissions. The principal aim of the Leveque Shelf marine survey was to look for evidence of any past or current gas or fluid seepage at the seabed, and to determine whether these features are related to structures (e.g. faults) in the Leveque Shelf area that may extend to the seabed. The survey also mapped seabed habitats and biota to provide information on communities and biophysical features that may be associated with seepage. This research, combined with deeper geological studies undertaken concurrently, addresses key questions on the potential for containment of CO2 in the basin's proposed CO2 storage unit, i.e. the basal sedimentary section (Late Jurassic and Early Cretaceous), and the regional integrity of the Jamieson Formation (the seal unit overlying the main reservoir).

Simple

Identification info

Date (Publication)
2014-01-01T00:00:00
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/79576

Cited responsible party
Role Organisation / Individual Name Details
Publisher

Geoscience Australia

Canberra
Author

Spinoccia, M.

1
Author

Yule, C.

PSCD Internal Contact
Point of contact
Role Organisation / Individual Name Details
Owner

Commonwealth of Australia (Geoscience Australia)

Custodian

Commonwealth of Australia (Geoscience Australia)

Voice
Point of contact

Spinoccia, M.

Place and Communities Internal Contact
Topic category
  • Geoscientific information

Extent

N
S
E
W


Temporal extent

Time period
2013-05-01 2013-05-30
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

Australian and New Zealand Standard Research Classification (ANZSRC)
  • Environmental Sciences

{1}
  • HVC_144641

Project
  • AusSeabed

{1}
  • Marine Data Bathymetry Grid

Theme
  • bathymetry

Theme
  • marine survey

Theme
  • environmental

Theme
  • continental shelf

Theme
  • marine

{1}
  • WA

{1}
  • 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

Download the data (ArcGIS-grid)

Download the data (ArcGIS-grid)

OnLine resource

Download the data (XYZ ascii)

Download the data (XYZ ascii)

OnLine resource

Download the data (csar)

Download the data (csar)

OnLine resource

Download the data (tif)

Download the data (tif)

OnLine resource

Download the metadata (pdf)

Download the metadata (pdf)

Distribution format
  • pdf

OnLine resource

Link to Data package - Seabed environments and shallow geology of the Leveque Shelf

Link to Data package - Seabed environments and shallow geology of the Leveque Shelf

OnLine resource

Area 1 2013 2m (tif) [177.86 MB]

Area 1 2013 2m (tif) [177.86 MB]

OnLine resource

Area 2 2013 2m (tif) [194.12 MB]

Area 2 2013 2m (tif) [194.12 MB]

OnLine resource

Area 10 2013 2m (tif) [60.4 MB]

Area 10 2013 2m (tif) [60.4 MB]

OnLine resource

Area 3 2013 2m (tif) [225.9 MB]

Area 3 2013 2m (tif) [225.9 MB]

OnLine resource

Area 4 2013 2m (tif) [158.22 MB]

Area 4 2013 2m (tif) [158.22 MB]

OnLine resource

Area 5 2013 2m (tif) [211.73 MB]

Area 5 2013 2m (tif) [211.73 MB]

OnLine resource

Trans 1 2013 2m (tif) [113.52 MB]

Trans 1 2013 2m (tif) [113.52 MB]

OnLine resource

Trans 2 2013 2m (tif) [69.26 MB]

Trans 2 2013 2m (tif) [69.26 MB]

OnLine resource

Download the geotiff [583.06 MB]

Download the geotiff [583.06 MB]

Distribution format
  • tif

Resource lineage

Statement

The Browse Basin survey, GA-0340 SOL5754 was acquired by Geoscience Australia onboard the RV Solander from the 01st of May to the 30th of May 2013.

The Chief scientist onboard was Dr. Scott Nichol and Dr. Riko Hashimoto.

This dataset was acquired and processed onboard by Justy Siwabessy, Kim Picard and Olivia Wilson and further processing was conducted in the office by Michele Spinoccia, using CARIS HIPS & SIPS ver 7.1.2.

1. First a vessel configuration file was created where the co-ordinates of the motion sensor and DGPS antenna and patch test offsets were recorded.

2. A new project was then created and the vessel configuration file was attached to the project file.

3. The raw swath sonar data, in raw.all format, for each line was then imported into the project and the vessel information assigned to the data.

4. The motion sensor, DGPS and heading data were then cleaned using a filter that averaged adjacent data to remove artifacts.

5. Different sound velocity profiles data for each block were attached to the corresponding raw swath sonar data files to correct the depths for changes in the speed of sound through the water column.

6. Then a new blank field area was defined that specified the geographic area of study and the co-ordinate system used. The co-ordinates for the study areas were WGS84 UTM-51S.

7. The data was cleaned by applying several filters that removed any remaining spikes in the bathymetry data using user defined threshold values. A visual inspection of the data for each line was then undertaken where artifacts and noisy data not removed by the filtering process were removed manually using Swath and subset editors modules of the Caris HIPS/SIPS software.

8. All the data for each bathymetric, motion sensor, DGPS, heading, tide and sound velocity profile data were merged to produce the final processed data file. A weighted grid of the processed data was then created for each Block.

In GA the tide was applied to the grid to correct for tidal variations and velocity corrections were performed to correct for different artifacts and mismatches.

9. The processed data was finally exported as grids soundings or false colored images for presentation and reporting and as final processed data in in ASCII XYZ as well as geotif formats of 2m resolution.

10-Using CARIS Base editor 4.0 the grids were exported as ESRI ASCII grid, then imported into ARC catalogue/info to create a raster file for the entire survey.

11. New version was created using Caris v11.3.16 to reference vertical datum to EGM2008 and horizontal datum to EPSG 4326 and gridded according to AusSeabed banded depth definition (AusSeabed_DepthRanges_2019.txt).

Hierarchy level
Dataset
Description

The multibeam bathymetry was acquired by the following survey:

- Survey Name: GA-0340 Browse Basin Leveque Shelf Environmental Survey, SOL5754

- Vessel Name: RV Solander

- Institution: Geoscience Australia

- Country: Australia

- Operator: AIMS

- Multibeam system: Kongsberg EM3002D

- Year of installation: 2013

- Nominal sonar frequency: 300 kHz

- Number of heads: 1

- Number of beams/head: 160 beams

- Beamwidth across track: 1.5 degree

- Beamwidth along track: 1.5 degree

- Pulse length: variable

- Selectable depth range: 9.8m - 122m

- Vessel speed: 5 - 7 knots

- Start Date: 01/05/2013

- End Date: 30/05/2013

- Start Port: Broome

- End Port: Broome

- Grid resolution: 2 m

- Number of grids: 8

- Total surface coverage: 1,241.81 km2

- Vertical Datum: MSL

- Horizontal Datum: WGS84 UTM-51S

- Use Limitation: This dataset is not to be used for navigational purposes.

Extent

N
S
E
W


Reference System Information

Reference system identifier
CRS/WGS84 (CRS:84)

Hierarchy level
Collection hardware

Platform

Identifier

Code
RV Solander

Instrument

Identifier

Code
Kongsberg EM3002D (300 kHz)

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/f83bb58d-eb6d-55eb-e044-00144fdd4fa6

Title

GeoNetwork UUID

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

Commonwealth of Australia (Geoscience Australia)

Voice

Type of resource

Resource scope
Dataset
Name

dataset

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with

uuid

Citation identifier
eCatId/79576

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/f83bb58d-eb6d-55eb-e044-00144fdd4fa6

Date info (Revision)
2018-04-22T08:22:02
Date info (Creation)
2014-04-30T00:00:00

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

AusSeabed HVC_144641 Marine Data Bathymetry Grid Published_External WA bathymetry continental shelf environmental marine marine survey

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