LBA-ECO ND-02: Soil CO2 Flux and Chemistry in Brazilian Forests and Pastures

From June 1999 to January 2002, this dataset provides monthly soil CO2 flux measurements from 16 sites and physical-chemical soil characterization across pastures, secondary forests, and mature forests near Rio Branco, Brazil. It includes litter mass data collected from 2001-2002 at mature and secondary forest sites. The data is structured across four comma-delimited files, supporting analysis of land-use impacts on soil respiration and carbon dynamics.

Use Cases

• Modeling soil carbon emissions based on monthly CO2 flux time series across different land covers.
• Analyzing the relationship between soil chemical properties (e.g., pH, nutrients) and respiration rates in tropical soils.
• Quantifying the impact of land-use change (forest to pasture) on soil carbon dynamics using paired site comparisons.
• Assessing seasonal and interannual variability in soil CO2 flux from a multi-year observational record.
• Evaluating litter mass contributions to soil carbon pools in mature versus regenerating secondary forests.

Strengths

• Provides a multi-year time series of monthly measurements from June 1999 to January 2001.
• Includes data from 16 distinct sites across three major land cover types (pastures, secondary forests, mature forests).
• Combines field flux measurements with laboratory soil chemistry and litter mass data for integrated analysis.

Limitations

• Metadata completeness is low: column names, row counts, and file sizes are unspecified across all platforms.
• Conflicting last-update dates exist between platforms (2002 vs. 2026), creating uncertainty about data currency.
• The license is specified only as 'other-license-specified', requiring further investigation for reuse terms.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Field measurements of CO2 flux and collection of soil/litter samples for laboratory analysis.

Time Range

1999-06 to 2002-01

Freshness

2026-04-10 01:43:50.294625

Geography

Rio Branco, Acre, Brazil