AmeriFlux US-Var: Carbon Flux Data for a Sierra Nevada Grassland Ranch

The AmeriFlux version of carbon flux data for the US-Var Vaira Ranch site in Ione. The site is a privately owned grassland in the lower foothills of the Sierra Nevada Mountains, dominated by C3 annual grasses like purple false brome and rose clover. Data was contributed by Dennis Baldocchi of the University of California, Berkeley.

Use Cases

• Modeling seasonal carbon flux dynamics based on the described wet season growing period (October to early May).
• Studying the impact of periodic brush removal for cattle grazing on grassland carbon cycles.
• Analyzing ecosystem productivity in C3 annual grass-dominated landscapes based on the site description.
• Validating remote sensing or climate models for foothill regions using ground-based flux tower data.

Strengths

• Data is part of the AmeriFlux network, a standardized ecosystem for flux tower measurements.
• Site description provides specific ecological context including dominant species and land management practices.
• Author and organization (Dennis Baldocchi, UC Berkeley) are established in the field.

Limitations

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

Provenance

Source

AmeriFlux network, contributed by Dennis Baldocchi, University of California, Berkeley.

Collection Method

Likely collected via eddy covariance flux tower measurements.

Time Range

Growing season is described as typically from October to early May.

Freshness

Last updated: unknown

Geography

Vaira Ranch, Ione, in the lower foothills of the Sierra Nevada Mountains, California, USA.