Coral Sea Marine Park Water Chemistry Measurements

Hydrology data from 36 days of oceanographic research aboard the RV Investigator details salinity, dissolved oxygen, and nutrient concentrations. Samples were collected via Niskin bottles at various depths during CTD deployments in the Coral Sea Marine Park. The Marine National Facility processed and archived this quality-controlled dataset through the CSIRO National Collections and Marine Infrastructure.

Use Cases

• Analyze phosphate and silicate concentrations against depth profiles to map nutrient distribution.
• Model dissolved oxygen levels in relation to salinity and temperature measurements from CTD casts.
• Correlate nitrate plus nitrite and ammonium data with biological sampling for biodiversity assessments.
• Examine temporal changes in water chemistry across the voyage's sampling stations.

Strengths

• Quality-controlled processing documented in a Data Processing Report
• Data covers a 36-day dedicated research voyage across the Coral Sea Marine Park

Limitations

• Specific row count, sample size, and measurement resolution are unknown
• Data format includes PNG and HTML, suggesting potential non-tabular auxiliary files

Provenance

Source

Australian Ocean Data Network via the Marine National Facility RV Investigator

Collection Method

Samples collected from Niskin bottles during Conductivity-Temperature-Depth (CTD) deployments

Time Range

October 10, 2025 to November 14, 2025

Freshness

Data from late 2025, last updated in April 2026

Geography

Coral Sea Marine Park, voyage departed from and returned to Brisbane