BROKE Samples: Antarctic Marine Protist Pigments and Algal Groups, 1996

Pigment and algal group concentration data from the Antarctic BROKE expedition, collected in 1996. The dataset includes marker pigment concentrations and Chlorophyll a allocations to eight algal groups derived from CHEMTAX analysis. It was provided by the Australian Antarctic Data Centre (AU_AADC) via NASA's Earthdata platform.

Use Cases

• Modeling phytoplankton community composition based on CHEMTAX-allocated Chlorophyll a percentages.
• Analyzing spatial distribution of algal groups in the Antarctic Ocean based on latitude and longitude fields.
• Studying biomarker pigment concentrations like Fucoxanthin and Peridinin for taxonomic inference.
• Investigating vertical pigment profiles and integrated chlorophyll biomass down to 150 meters based on depth and integrated data.

Strengths

• Includes data for over 20 specific marker pigments and 8 algal groups, allowing for detailed community analysis.
• Provides geospatial context with latitude and longitude fields for each sampling station.
• Contains depth-resolved data and water column-integrated chlorophyll totals to 150 meters.

Limitations

• Last updated 1996 04 03; freshness should be verified for contemporary applications.
• Row count and file sizes are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred from the provided description.

Provenance

Source

Australian Antarctic Data Centre (AU_AADC), accessed via NASA Earthdata.

Collection Method

Field sampling and subsequent CHEMTAX software analysis of pigment data.

Time Range

1996

Freshness

Last updated 1996-04-03 23:59:59.999000

Geography

Antarctic Ocean (specific stations from the BROKE expedition).