Otway Flux Tower Measurements of Energy and Carbon Exchange

Comprising flux tower measurements of energy and mass exchange between the surface and atmosphere using eddy covariance techniques. Data were processed with PyFluxPro to produce gap-filled products including Net Ecosystem Exchange (NEE), Gross Primary Productivity (GPP), and Ecosystem Respiration (ER). The station was located on a grazed dairy pasture in southwest Victoria, Australia, with measurements including heat, water vapor, CO2 fluxes, temperature, humidity, rainfall, and radiation.

Use Cases

• Partition Net Ecosystem Exchange (NEE) into Gross Primary Productivity (GPP) and Ecosystem Respiration (ER) using the PyFluxPro-processed, gap-filled product.
• Analyze the relationship between photosynthetically active radiation (PAR) and carbon dioxide flux measurements to model ecosystem productivity.
• Correlate soil temperature and heat flux measurements with seasonal Ecosystem Respiration (ER) rates.
• Model energy balance using supplementary measurements of total solar radiation, net radiation, and fluxes of heat and water vapor.

Strengths

• Data processed using a standardized methodology (PyFluxPro v3.4.17) as described by Isaac et al. (2017), producing a final, gap-filled product.
• Includes a comprehensive suite of meteorological and flux variables: temperature, humidity, rainfall, solar radiation, PAR, net radiation, soil temperature, and heat flux.
• Site characteristics are well-documented, including average grass height (0.1 m), annual rainfall (~800 mm), and mean daily temperature range (12-25 °C).
• Station was established in February 2007, providing a multi-year record managed by CSIRO Marine and Atmospheric Research.

Limitations

• Specific data volume (row count), column details, and file sizes are unknown from the provided input.
• Primary data formats listed are HTML and PNG, which may not be the most accessible tabular formats for direct analysis without extraction.
• The dataset's license is listed as 'notspecified', which may create uncertainty for downstream use and redistribution.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery, managed by CSIRO Marine and Atmospheric Research as part of the Cooperative Research Centre for Greenhouse Gas Technologies.

Collection Method

Measurements gathered via eddy covariance technique from a flux station on a 10 m tower, with data processed using PyFluxPro software.

Time Range

Station established in February 2007; specific end date of data collection is not provided.

Freshness

Data was last updated in the platform on March 20, 2026, indicating recent maintenance.

Geography

Narrinda (Nirranda) South, southwest Victoria, Australia, on private land featuring a grazed dairy pasture.