Full description
The Dampier Marine Park (South) bathymetry survey was acquired for the Australian Hydrographic Office (AHO) during the period 15 Jul 2024 – 31 Jan 2025. This is a contracted survey conducted for the Australian Hydrographic Office by DMAL as part of the Hydroscheme Industry Partnership Program. The survey area is Dampier Marine Park, WA.
This dataset is not to be used for navigational purposes.
Not to be used for navigational purposes
Lineage
Maintenance and Update Frequency: asNeeded
Statement: AusSeabed follows the recommended processing methodology as prescribed by the AusSeabed Multibeam Guidelines (https://australian-multibeam-guidelines.github.io/). Please note that certain products are subject to routine update (e.g. resolution, coverage, temporal variation, guidelines/best practice). The client is advised to refer to the latest version of all documents and products for the most up-to-date material. For eCat records the version is expressed in the record title whilst products incorporate date of production as per AusSeabed’s file naming convention.
This surface is a 30 metre Shoal Depth True Position (SDTP) surface derived from International Hydrographic Organisation (IHO) Order 1A, 1 and 2 metre Combined Uncertainty and Bathymetry Estimator (CUBE) surfaces supplied to the Australian Hydrographic Office (AHO), with depth, position, density and uncertainty preserved from the original surface. Full resolution surfaces available from AHO on request under restricted licence.
Survey metadata:
aho_id: 58318748
name: AHO_SI1037_30m_MSL_WGS84
nb-of-points: 738
north: -20.374373715
south: -20.613979993
east: 117.528288056
west: 117.13083147
boundingbox-crs: EPSG:4326
start-date: 45488
end-date: 45688
survey area: Dampier Marine Park
platform-class: Ship
vessel: N/A
surveyor: N/A
classification: Official
abstract: This is a contracted survey conducted for the Australian Hydrographic Office by DMAL as part of the Hydroscheme Industry Partnership Program. The survey area is Dampier Marine Park, WA.
Lineage (Description): This surface is a 30 metre Shoal Depth True Position (SDTP) surface derived from International Hydrographic Organisation (IHO) Order 1a, 1 and 2 metre Combined Uncertainty and Bathymetry Estimator (CUBE) surfaces supplied to the Australian Hydrographic Office (AHO), with depth, position, density and uncertainty preserved from the original surface. Full resolution surfaces available from AHO on request under restricted licence.
data-owner: Australian Hydrographic Office, Commonwealth of Australia
custodian: Geoscience Australia, Commonwealth of Australia
point-of-contact:
[email protected]
legal-constraints: Creative Commons CC BY 4.0
geodetic-datum: WGS84
projection: Latitude/Longitude (WGS 84)
vertical-datum: Mean Sea Level (MSL)
instrument-type: Multibeam Echosounder (MBES)
sensor-type: Kongsberg EM2040P MKII
sensor-frequency: 300 kHz
horizontal-positioning-method: POSMV Wavemaster II
vertical-reduction-method: Reduced to MSL using an AHO approved tidal model based on observed tides. Final adjustment to MSL by AHO
accepted-soundings-accuracy (unit(m)): 0.27
accepted-positional-accuracy (unit(m)): 0.67
accepted-survey-order: Order 1a
accepted-survey-order-url: https://iho.int › pubs › S-44_Edition_6.0.0_EN.pdf
citation:
doi:
usage-limitation: Not to be used for Navigation
contact-address: 8 Station St, Wollongong, NSW, Australia 2500
GCMD-keyword: EARTH SCIENCE>OCEANS>BATHYMETRY/SEAFLOOR TOPOGRAPHY
GA-keyword: AusSeabed, Bathymetry, Marine, Bathymetry Grids
name of survey contractor: DMAL
statement_of_requirements: HIPP Statement of Requirements 2023.2
year of installation: 2024
number of sensor heads: 1
number of soundings: 400
beamwidth along track (degree): 1.3
beamwidth across track (degree): 1.3
pulse length (μs): 38
absorption (dB/km): Auto load and update after every SV import
selectable depth range (m): 5-30
vessel speed (kt): 7
start port: Exmouth, WA
end port: Exmouth, WA
sensor operating mode: Dual swath mode
sensor swath (degrees): 120-130
grid sounding density: 95% of nodes >5 soundings per node at survey resolution
processing software: CARIS HIPS&SIPS v|QIMERA v
processing methodology: Processed in accordance with HIPP SOR 2020 v1.2 using CUBE techniques, 1 and 2m CUBE surfaces generated as the final L3 dataset
grid resolution (m): 30
number of grids: 1
Notes
Purpose
To derive seabed information for the purpose of supporting the sustainable use of our marine environment and jurisdiction; strengthening our resilience to natural hazards and enabling location-based decisions and actions through best practice digital mapping, Earth observations and precise positioning.