From December 31, 2007, to January 5, 2008, this dataset contains continuous measurements of phytoplankton photosynthetic parameters collected via Fast Repetition Rate Fluorometry (FRRF) aboard the RV L'Astrolabe during a voyage from Hobart to Dumont d'Urville. It was contributed by the Australian Ocean Data Network and includes measurements of maximum photochemical efficiency (Fv/Fm), absorption cross-section, and chlorophyll concentration. Seawater was sampled from 3 meters depth at one-minute intervals in a dark-adapted state.
Use Cases
- Modeling primary production based on chlorophyll concentration and photosynthetic parameters mentioned in the description.
- Assessing phytoplankton community health and stress responses based on the maximum quantum yield (Fv/Fm) parameter.
- Analyzing high-frequency temporal variation in photosynthetic efficiency based on one-minute interval measurements.
- Studying the relationship between physical/chemical ocean properties and phytoplankton photophysiology as suggested by the description.
Strengths
- Data collection occurred at a high temporal resolution of one-minute intervals.
- Measurements include the key photosynthetic parameter Fv/Fm, which is widely utilized in phytoplankton research.
- The dataset covers a specific research expedition from Hobart to Dumont d'Urville, providing a focused spatial and temporal context.
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 bias inherent to the single expedition from data_gov_au.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Continuous FRR fluorometry measurements from the ship's clean seawater line at 3 m depth.
- Time Range
- 2007-12-31 to 2008-01-05
- Freshness
- Last updated 2026-07-13 11:16:12.498277; freshness should be verified.
- Geography
- Southern Ocean voyage from Hobart, Australia, to Dumont d'Urville, Antarctica.