Survey 273: Torres Strait Marine Biophysical Data for Seagrass Habitat Analysis

Geoscience Australia survey 273 results characterize mobile sediments and hydrodynamics in northwest Torres Strait under trade wind conditions. The survey used multibeam sonar, current meters, grab samples, vibro-cores, underwater video, meteorological data, and Landsat imagery. This report compares findings with a prior monsoon-season survey to address objectives of the Torres Strait CRC research program.

Use Cases

• Model seabed sediment mobility based on multibeam sonar and grab sample data.
• Analyze hydrodynamic patterns in Torres Strait using current meter and meteorological data.
• Compare seasonal environmental conditions for seagrass habitats using data from trade wind and monsoon surveys.
• Characterize seabed composition and structure using vibro-core and underwater video observations.

Strengths

• Integrates multiple complementary data types including sonar, physical samples, video, and satellite imagery.
• Provides a comparative analysis with a prior survey (Survey 266) covering monsoon season conditions.
• Data collection was part of a structured CRC research program with defined objectives.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Primary data files are not directly described; the listed formats (PDF, HTML) suggest a report document.

Provenance

Source

Geoscience Australia, Australian Ocean Data Network

Collection Method

Marine survey acquiring multibeam sonar, current meters, grab samples, vibro-cores, underwater video, meteorological data, and Landsat imagery.

Time Range

Survey conducted under trade wind conditions; compared to a prior monsoon season survey.

Freshness

Last updated 2026-06-04 06:31:46.908038; freshness should be verified.

Geography

Northwest Torres Strait marine ecosystem.