Ghana Subnational NDVI: Dekadal Vegetation Indicators and Anomalies
Updated 4mo ago
2filesCSV
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Description
A source of dekadal NDVI indicators for Ghana, aggregated by sub-national administrative units using NASA's MODIS collection 6.1 satellite data. Produced by the World Food Programme (WFP), it tracks vegetation health through 10-day intervals to support environmental monitoring. The data includes current indices, historical averages, and percentage anomalies for each administrative region.
Use Cases
Detecting agricultural drought conditions by monitoring the viq anomaly percentage
Analyzing seasonal vegetation trends using the vim 10-day indicators
Validating regional data reliability by checking the n_pixels count for each aggregate
Strengths
Derived from NASA MODIS collection 6.1 high-resolution satellite imagery
Includes vim_lta for direct comparison against historical baselines
Uses standardized WFP Pcode references for seamless GIS integration
Limitations
Aggregated at the sub-national level, which obscures local variations within administrative boundaries
Data quality in the n_pixels column may be affected by cloud cover during satellite passes
Provenance
Source
World Food Programme (WFP) via NASA MODIS
Collection Method
Satellite sensor data aggregation
Freshness
Updated through March 2026.
Geography
Ghana
The administrative units are based on WFP-specific Pcodes; users will need corresponding shapefiles or join keys to map these units spatially. The license is CC-BY.