Tuvalu FAPAR Vegetation Index Anomalies via 10-Day VIIRS Composites

Copernicus provides 10-day time composite GEOTIFF files measuring the Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) anomalies for Tuvalu. Derived from Visible Infrared Imaging Radiometer Suite (VIIRS) sensors, these records monitor vegetation health and agricultural drought impacts. The data was last updated in March 2026.

Use Cases

• Detecting agricultural drought by analyzing FAPAR anomaly deviations from historical norms
• Monitoring vegetation health trends in Tuvalu using 10-day composite intervals
• Assessing photosynthetic activity levels via the 0-1 dimensionless scale

Strengths

• Uses VIIRS sensor data for high-frequency 10-day monitoring
• Standardized FAPAR scale (0 to 1) for biophysical assessment
• Produced by Copernicus, a major Earth observation program

Limitations

• Specific to Tuvalu geography, limiting broader regional analysis
• Lack of tabular metadata or column definitions beyond the raster values
• Potential for cloud cover interference common in satellite-derived imagery

Provenance

Source

Copernicus

Collection Method

Sensor (Visible Infrared Imaging Radiometer Suite - VIIRS)

Freshness

Updated as of March 2026 with a 10-day composite frequency.

Geography

Tuvalu