Papua New Guinea Subnational NDVI: Dekadal Vegetation Indicators and Anomalies

Dekadal NDVI indicators for Papua New Guinea provide vegetation health metrics derived from NASA MODIS satellite imagery and aggregated by the World Food Programme. The data tracks 10-day vegetation indices, long-term averages, and anomalies across sub-national administrative units as of March 2026.

Use Cases

• Monitoring agricultural health by comparing current vim against the long-term average vim_lta
• Identifying drought conditions or vegetation stress using the viq anomaly percentage column
• Validating regional vegetation trends by weighting aggregates with the n_pixels count

Strengths

• Uses NASA MODIS collection 6.1 high-quality satellite data
• Includes long-term averages (vim_lta) for baseline comparison
• Provides pixel counts (n_pixels) to indicate the statistical weight of each aggregate

Limitations

• Aggregated data loses the spatial granularity of the original MODIS sensor pixels
• Geographic boundaries are tied to WFP-specific Pcode references which may differ from other administrative standards

Provenance

Source

NASA Moderate Resolution Imaging Spectroradiometer (MODIS) collection 6.1 via World Food Programme

Collection Method

Satellite sensor data aggregated by WFP administrative units

Freshness

Updated as of March 2026.

Geography

Papua New Guinea