Multi-Isotopic Sinking Particle Data from the Ulleung Basin, East Sea

A one-year time series of sinking particle fluxes and isotopic compositions from the Ulleung Basin in the East Sea. The dataset includes organic radiocarbon and inorganic detrital neodymium (εNd) measurements from particles collected at 300 m, 1000 m, and 2000 m depths, alongside surface sediment samples. Authored by Sun-A Lee and last updated in May 2026, this data aims to constrain lateral particle advection and sediment provenance.

Use Cases

• Tracing sediment provenance based on distinct εNd-detrital signatures of Korean and Japanese bedrock.
• Analyzing seasonal variations in particle transport mechanisms using isotopic data from different depths.
• Investigating the role of lateral transport and local sediment resuspension in supplying pre-aged organic carbon.
• Comparing sinking particle isotopic compositions with surface sediments to understand depositional processes.

Strengths

• Includes a full year of time-series data from a long-term ocean monitoring station.
• Provides multi-isotopic data (radiocarbon and εNd-detrital) for both sinking particles and surface sediments.
• Samples were collected at three distinct depths (300 m, 1000 m, 2000 m), allowing vertical profile analysis.

Limitations

• The εNd-detrital dataset is described as preliminary due to limited temporal coverage.
• Column-level documentation is absent; field semantics must be inferred after download.
• The dataset is small (27.2 KB), indicating limited scope and likely a low row count.

Provenance

Source

figshare, authored by Sun-A Lee.

Collection Method

Data collected from a time-series sediment trap at a monitoring station in the Ulleung Basin.

Time Range

One year (specific years not stated).

Freshness

Last updated 2026-05-15 09:31:31; freshness should be verified.

Geography

Ulleung Basin, East Sea (Japan Sea).