Biogeochemical Baseline Data for Australia's Continental Margin Sediments

A collection of biogeochemical measurements from over 350 seabed sediment samples collected along Australia's western, northern, and eastern continental margins between 2007 and 2014. The dataset includes parameters for organic matter source, concentration, and bioavailability, analyzed from federal government surveys. It was published by researchers in 2017 to establish baseline data and link sediment properties to water column characteristics.

Use Cases

• Modeling organic matter sources and cycling based on δ13C, δ15N, and C:N ratios.
• Assessing sediment organic carbon concentration and bioavailability using %TOC, OC:SA, and chlorin indices.
• Linking seabed biogeochemistry to water column productivity using MODIS data mentioned in the description.
• Identifying regions of high benthic production or organic-poor sediments for environmental management.

Strengths

• Spatial coverage includes over 350 sample locations across Australia's major continental margins.
• Temporal coverage spans seven years of federal survey data from 2007 to 2014.
• Analysis includes multiple parameters for organic matter source, concentration, and bioavailability.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the specific government survey areas.

Provenance

Source

Geoscience Australia Data

Collection Method

Seabed samples collected during federal government marine surveys.

Time Range

2007-2014

Freshness

Last updated 2026-05-14 03:15:21.974023; freshness should be verified.

Geography

Australia's western, northern, and eastern continental margins.