Zimbabwe Subnational NDVI: Dekadal Vegetation Indicators and Anomalies
Updated 4mo ago
2filesCSV
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Description
Zimbabwe sub-national NDVI indicators derived from NASA MODIS collection 6.1 satellite data, aggregated by the World Food Programme (WFP). These records provide dekadal (10-day) measurements including current values, long-term averages, and percentage anomalies. Data is organized by administrative units using WFP Pcode references.
Use Cases
Drought monitoring by tracking the `viq` anomaly percentage across different dekads
Vegetation health assessment using the `vim` 10-day indicator
Historical trend analysis by comparing current values against the `vim_lta` baseline
Strengths
Derived from NASA MODIS collection 6.1 satellite data
Includes a long-term average (vim_lta) for historical baseline comparison
Provides pixel counts (n_pixels) to validate the data density of each aggregate
Limitations
Spatial resolution is limited to administrative unit aggregates rather than raw pixel-level data
NDVI values can be affected by cloud cover interference in the underlying MODIS imagery
Provenance
Source
World Food Programme (WFP) via NASA MODIS
Collection Method
Satellite sensor aggregation
Freshness
Updated as of March 2026; follows a 10-day (dekadal) update cycle.
Geography
Zimbabwe
Administrative units are identified by Pcode references; users may need corresponding WFP GIS layers to visualize the data spatially.