Flux Tower Measurements from Daintree Rainforest 2008-2022

Featuring flux tower measurements of energy and mass exchange between the surface and atmosphere using eddy covariance techniques, processed with PyFluxPro. The data includes gap-filled Net Ecosystem Exchange partitioned into Gross Primary Productivity and Ecosystem Respiration. The station, established in December 2008, is located in the Daintree Rainforest, a complex mesophyll vine forest with 94 species in a core hectare.

Use Cases

• Analyze Net Ecosystem Exchange (NEE) time series to model carbon sequestration dynamics in a tropical rainforest.
• Partition NEE into Gross Primary Productivity (GPP) and Ecosystem Respiration (ER) to study ecosystem carbon balance.
• Correlate fluxes of heat, water vapor, and carbon dioxide with supplementary measurements like temperature, humidity, and rainfall.
• Investigate artifacts in downwelling radiation data caused by shadowing of radiometric equipment with solar inclination.

Strengths

• Data processed using the established PyFluxPro (v3.4.7) methodology as described by Isaac et al. (2017).
• Provides a final, gap-filled product for key carbon flux variables like NEE, GPP, and ER.
• Site characterization includes specific metrics: 94 species in the core 1 Ha, average tree height of 22 m, elevation of 90 m, and mean annual precipitation of 3935 mm.
• Part of the FNQ Rainforest SuperSite and the national TERN network, indicating standardized collection.

Limitations

• The early years (2009-2012) had several data gaps, reducing temporal continuity.
• Shadowing of radiometric equipment causes known artifacts, seen as reductions in downwelling radiation with solar inclination.
• Specific data volume (row count) and column structure are unknown from the provided input.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery, managed by James Cook University.

Collection Method

Flux tower measurements using the open-path eddy covariance technique, processed with PyFluxPro software.

Time Range

Station established December 2008; data release covers up to 2022.

Freshness

Data release is from 2022, with metadata last updated in March 2026.

Geography

Cow Bay flux station in the Daintree Rainforest, Queensland, Australia; elevation 90 m.