Global Database of Root Profile Depths and Soil Characteristics

Rooting depths were estimated from a global database of root profiles assembled from primary literature. The dataset characterizes belowground vegetation structure, including the depths containing 50% and 95% of all roots. For each profile, it records location, elevation, soil texture, organic horizon depth, root type, and sampling methodology.

Use Cases

• Modeling global carbon cycling and soil carbon storage based on root distribution data.
• Studying relationships between soil texture, climate, and root system architecture across biomes.
• Calibrating Earth system models that require parameterization of belowground biomass.
• Analyzing the depth of organic horizons in relation to root sampling methods and measured root types.

Strengths

• Provides a global spatial scope, assembled from primary literature sources.
• Includes specific, quantitative root distribution metrics (e.g., depths for 50% and 95% of roots).
• Contains detailed metadata per profile, such as sampling methods and root measurement units.

Limitations

• Critical metadata conflicts: last update dates are inconsistent (2000 vs. 2026), and row counts/sizes are unknown.
• Column names and exact data structure are not provided, limiting immediate usability.
• The license is vaguely specified as 'other-license-specified', requiring further investigation.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Assembled from the primary literature (peer-reviewed studies).

Freshness

2026-04-10 02:27:33.316196 (from datagov, but conflicts with nasa_earthdata date of 2000-12-31)

Geography

Global