Eddy Covariance Flux Measurements from Mitchell Grass Plains

Encompassing measurements of energy, water vapor, and carbon dioxide exchange between the surface and atmosphere using eddy covariance techniques. It was collected at a site on a Mitchell Grass plain with an elevation of 250m and mean annual precipitation of 640mm. Ancillary data includes leaf area index, leaf physiological properties, soil composition, and airborne remote sensing from September 2008.

Use Cases

• Analyze the relationship between net radiation, temperature, and soil heat fluxes to model surface energy balance.
• Model carbon dioxide fluxes in relation to soil moisture content and vegetation biomass measurements.
• Correlate wind speed and direction data with water vapor flux measurements to study atmospheric transport.
• Use leaf area index (LAI) and leaf-scale gas exchange data to validate ecosystem productivity models.

Strengths

• Includes a comprehensive suite of atmospheric measurements (temperature, humidity, wind, rainfall, net radiation) and soil measurements (heat flux, moisture, physical properties).
• Contains detailed ancillary vegetation data, including leaf area index (LAI), leaf isotope ratios, and chlorophyll concentrations.
• Provides specific site characteristics: elevation of 250m, mean annual precipitation of 640mm, and detailed soil composition (e.g., 14.47% clay).

Limitations

• The temporal coverage is unclear, and the primary data collection period may be limited, with remote sensing only from September 2008.
• Sample data and structural details like row and column counts are unavailable, hindering initial assessment of data volume and format.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Data gathered using eddy covariance techniques from a 5-meter instrument mast, supplemented by biomass harvests, soil sampling, and airborne remote sensing (Lidar, hyperspectral).

Time Range

Specific collection period not stated; remote sensing was conducted in September 2008.

Freshness

The metadata was last updated in March 2026, but the underlying data's collection period is not specified.

Geography

Sturt Plains, a low-lying plain dominated by Mitchell Grass, with a site elevation of 250m.