Chernobyl Exclusion Zone Soil Radionuclide Profiles After 2020 Wildfires

Environmental Information Data Centre provides soil radionuclide measurements from the Chernobyl Exclusion Zone following severe wildfires in April 2020. The dataset contains activity concentrations of Cs-137 and Sr-90 measured in soil samples collected at 10cm depth intervals down to 1 meter from three study sites in September and October 2020.

Use Cases

• Model Cs-137 and Sr-90 migration down soil profiles using depth interval measurements to assess post-wildfire redistribution.
• Analyze correlations between radionuclide activity concentration and tree condition data recorded after the wildfire.
• Compare Sr-90 analysis uncertainty values across different sampling depths and study sites to evaluate measurement consistency.
• Investigate relationships between tree diameter, tree height, and nearby soil radionuclide concentrations within the circular plots.

Strengths

• Data collected at standardized 10cm depth intervals down to a 1-meter profile for consistent vertical analysis.
• Includes analysis uncertainty (2-sigma) values for both Cs-137 and Sr-90 activity concentration measurements.
• Combines radionuclide soil data with tree biometrics (diameter, height, condition) from the same plots for integrated environmental study.

Limitations

• Sample size is limited to three study sites within a specific forested area, restricting broad geographic generalization.
• Temporal coverage is a single snapshot from late 2020, lacking pre-fire baseline or long-term monitoring data.
• Dataset structure and exact row/column counts are unspecified, complicating initial assessment of data volume and format.

Provenance

Source

Environmental Information Data Centre

Collection Method

Field sampling of soils layer-by-layer and tree measurements within established circular plots following a wildfire.

Time Range

Soil sampling on September 21, 2020; tree measurements on October 8, 2020.

Freshness

null

Geography

Three forested study sites on the left bank of the Pripyat River within the Chernobyl Exclusion Zone.