Soil Radiocarbon and Organic Carbon Data from 52 Studies

A subset of soil density fraction data from The International Soil Radiocarbon Database (ISRaD), compiled for a meta-analysis. The data includes measurements of radiocarbon persistence, organic carbon abundance, and the proportion of carbon in mineral-associated fractions from 52 studies. The dataset was used by Katherine Heckman of the US Forest Service to support a manuscript titled 'Beyond Bulk'.

Use Cases

• Modeling soil organic carbon persistence based on radiocarbon (Δ¹⁴C) measurements.
• Analyzing the distribution of organic carbon among soil density fractions.
• Investigating relationships between carbon abundance and site characteristics compiled as ancillary data.

Strengths

• Data originates from the curated International Soil Radiocarbon Database (ISRaD v. 1.1.2).
• Includes data from 52 distinct studies, suggesting a multi-source foundation.
• Ancillary site and sample characteristics are compiled alongside core carbon measurements.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

The International Soil Radiocarbon Database (ISRaD)

Collection Method

Meta-analysis combining and averaging data from published studies and supplementary author information.