Tropical Tidal Creek Biogeochemistry Under Nutrient Loading in Darwin Harbour

Three field surveys in Darwin Harbour, Australia, studied the effect of sewage-derived nutrient loads on biogeochemical processes in three mangrove-lined tidal creeks. The dataset likely contains measurements of water quality, sediment composition, benthic and pelagic metabolism, and nutrient and gas fluxes, comparing hypertrophic, oligotrophic-mesotrophic, and pristine reference sites. The data was published by Geoscience Australia Data and was last updated on 2026-04-20.

Use Cases

• Modeling benthic nutrient flux rates based on comparisons between creeks with different sewage loads.
• Analyzing the relationship between pelagic primary production and respiration based on oxygen drawdown data.
• Assessing denitrification efficiency and phosphorus release based on sediment anoxia conditions.
• Evaluating the impact of tidal flushing and channel morphology on water quality based on site descriptions.

Strengths

• Direct comparison of three distinct creek systems with different nutrient loading levels.
• Study measured multiple interconnected processes including benthic fluxes, pelagic production, and gas exchange.
• Data collection occurred during both wet and dry seasons, suggesting temporal coverage.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified as the last update date is in the future (2026-04-20).

Provenance

Source

Geoscience Australia Data

Collection Method

Field surveys measuring water quality, sediment composition, and metabolic processes.

Time Range

Coverage includes wet and dry seasons, but specific years are unknown.

Freshness

Last updated 2026-04-20 00:53:42.388153

Geography

Darwin Harbour, Australia, focusing on Buffalo Creek, Myrmidon Creek, and a Reference Creek.