Water-column observations from the Ross Sea continental shelf and coastal polynyas investigate the redistribution of dissolved iron during late autumn and early winter. The dataset, collected by AMD_USAPDC and last updated in February 2020, aims to understand processes setting conditions for primary production. Research focuses on convective mixing and sea-ice formation's impact on micronutrient supply.
Use Cases
- Modeling dissolved iron concentrations across the Ross Sea continental shelf using geospatial sampling data.
- Analyzing relationships between sea-ice formation events and micronutrient redistribution from water-column measurements.
- Investigating temporal trends in iron species during the late autumn-early winter transition period.
Strengths
- Data collection targets a critical seasonal gap (late autumn-early winter) in the annual cycle.
- Observations cover specific, productive Antarctic regions: the Ross Sea continental shelf, Terra Nova Bay, and Ross Ice Shelf polynyas.
Limitations
- Specific data volume, such as row count or measurement frequency, is not provided.
- The dataset's last update was in 2020, which may not reflect recent conditions.
Provenance
- Source
- AMD_USAPDC via NASA EarthData.
- Collection Method
- Field study involving water-column observations, sampling, and measurements.
- Time Range
- Observations targeted for late autumn-early winter time frame.
- Freshness
- Last updated 2020-02 - 29.
- Geography
- Ross Sea continental shelf and coastal polynyas (Terra Nova Bay and Ross Ice Shelf polynyas) in Antarctica.