Algeria Subnational NDVI: 10-Day Vegetation Indicators and Anomalies

Supplying dekadal (10-day) Normalized Difference Vegetation Index (NDVI) indicators for Algeria's sub-national administrative units, derived from NASA MODIS satellite imagery. Produced by the World Food Programme (WFP), the data tracks vegetation health by comparing current observations against long-term historical averages. The records are aggregated from NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) collection 6.1 from both Aqua and Terra satellites.

Use Cases

• Monitoring agricultural drought by comparing vim against vim_lta across different dekads
• Analyzing vegetation health trends using the viq anomaly percentage column
• Spatial analysis of crop conditions using the Pcode administrative references for mapping

Strengths

• Uses NASA MODIS collection 6.1 high-quality satellite data
• Includes historical context via the vim_lta long-term average column
• Provides data quality transparency through the n_pixels count for each aggregate

Limitations

• Spatial resolution is limited to administrative unit aggregates rather than raw pixel-level data
• Dependent on cloud-free satellite observations which may affect n_pixels consistency across different dekads

Provenance

Source

World Food Programme (WFP) using NASA MODIS (Aqua and Terra) Collection 6.1

Collection Method

Satellite remote sensing aggregation

Freshness

Last updated March 2026.

Geography

Algeria (sub-national level)