Sediment composition and depositional facies in Ellis Fjord, a marine embayment in the Vestfold Hills of eastern Antarctica. Modern sediment input is dominated by biogenic diatom rain, with minor contributions from aeolian, fluvial, ice-rafted, slumped, and tidal sources. The dataset was last updated by AU_AADC on November 30, 1995.
Use Cases
- Model sediment transport pathways based on described input sources (aeolian, fluvial, ice-rafted).
- Analyze the impact of bioturbation on sediment mixing based on descriptions of reworked glaciogenic sediments.
- Map depositional facies (non-depositional, morainal, basinal) based on the described spatial distribution.
- Study the relationship between bottom water anoxia and sediment composition based on the high biogenic silica component mentioned.
Strengths
- Dataset provides a detailed description of sediment sources and depositional facies for a specific Antarctic fjord.
- The description distinguishes between areas of bioturbation and anoxia, offering a basis for comparative analysis.
Limitations
- Last updated 1995-11-30 23:59:59.999000; freshness should be verified.
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
Provenance
- Source
- AU_AADC
- Geography
- Ellis Fjord, Vestfold Hills, eastern Antarctica