Monthly Fraction of Photosynthetically Active Radiation for Australia 1981-2011

Encompassing Australia-wide monthly fraction of Photosynthetically Active Radiation (fPAR) derived from Advanced Very High Resolution Radiometer data. It spans from July 1981 to October 2011, with fPAR split into components for persistent and recurrent vegetation.

Use Cases

• Analyze long-term trends in persistent vegetation fPAR to monitor changes in non-deciduous perennial vegetation cover across Australia.
• Compare the temporal patterns of recurrent vegetation fPAR, representing annual and ephemeral vegetation, against climate indices.
• Apply the invariant cover triangle method to sensor data for calibrating and correcting time-series vegetation indices.
• Model the linear relationship between fPAR and fractional foliage cover for different Australian vegetation types.
• Use the monthly fPAR data from 1981-2011 as a baseline for validating newer satellite-derived vegetation products.

Strengths

• Provides a 30-year time series from July 1981 to October 2011 for long-term ecological analysis.
• Covers the entire continent of Australia, offering national-scale spatial coverage.
• Processed using the invariant cover triangle method to reduce errors from sensor calibration and change-over effects.
• Distinguishes fPAR for persistent and recurrent vegetation, enabling separate analysis of perennial and annual/ephemeral plant dynamics.

Limitations

• Data ends in October 2011, making it temporally stale for analyzing recent vegetation changes.
• The specific spatial resolution, row count, and file sizes are not provided in the input.
• Available file formats (HTML, PNG, TXT) may not be ideal for direct quantitative analysis without conversion.

Provenance

Source

Terrestrial Ecosystem Research Network's Data Discovery

Collection Method

Derived from Advanced Very High Resolution Radiometer (AVHRR) data and processed using the invariant cover triangle method.

Time Range

July 1981 to October 2011

Freshness

Last metadata update was 2026-03-20, but the underlying data time range ends in 2011.

Geography

Australia-wide