Phytoplankton Photosynthetic Health Measurements from a Southern Ocean Voyage, 2007

Southern Ocean data collected from the RV L'Astrolabe between Hobart and Dumont d'Urville from 28 October to 1 November 2007. The dataset contains continuous Fast Repetition Rate Fluorometry (FRRF) measurements of phytoplankton photochemical efficiency (Fv/Fm) taken at one-minute intervals from seawater at 3 meters depth. It was published by the Australian Ocean Data Network.

Use Cases

• Modeling primary production based on photochemical efficiency and chlorophyll concentration mentioned in the description.
• Assessing phytoplankton community health and stress responses based on variations in the maximum quantum yield (Fv/Fm).
• Analyzing high-frequency temporal patterns in photosynthetic parameters from continuous one-minute interval measurements.
• Correlating phytoplankton photochemical efficiency with physical and chemical oceanographic properties from concurrent sampling.

Strengths

• Data collection covers a specific transect from Hobart to Dumont d'Urville over 5 days in 2007.
• Measurements were taken at a high temporal resolution of one-minute intervals.
• Seawater samples were drawn from a consistent 3-meter depth via the ship's clean seawater line.

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/temporal/source bias inherent to data_gov_au.

Provenance

Source

Australian Ocean Data Network

Collection Method

Continuous FRR fluorescence measurements from ship's seawater line, with dark-adapted samples.

Time Range

2007-10-28 to 2007-11-01

Freshness

Last updated 2026-06-27 20:49:44.170197; freshness should be verified.

Geography

Southern Ocean voyage between Hobart, Australia and Dumont d'Urville, Antarctica.