Mongolia Subnational NDVI: Dekadal Vegetation Indices and Anomalies
Updated 4mo ago
2filesCSV
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Description
Dekadal (10-day) Normalized Difference Vegetation Index (NDVI) indicators for Mongolia, aggregated by sub-national administrative units using NASA MODIS Collection 6.1 satellite data. Produced by the World Food Programme (WFP), it tracks vegetation health through current values, long-term averages, and percentage anomalies.
Use Cases
Monitoring drought severity via the viq percentage anomaly column
Analyzing seasonal vegetation trends using the vim 10-day time series
Validating regional data quality using the n_pixels observation count
Strengths
Utilizes NASA MODIS Collection 6.1 data from both Aqua and Terra satellites
Includes a long-term average (vim_lta) for baseline comparison
Provides n_pixels to quantify the data density behind each administrative aggregate
Limitations
Spatial resolution is limited to administrative unit aggregates rather than raw pixel grids
Temporal coverage details for the long-term average baseline are not explicitly defined
Provenance
Source
NASA Moderate Resolution Imaging Spectroradiometer (MODIS) Collection 6.1
Collection Method
Satellite remote sensing aggregated to WFP administrative units
Freshness
Updated as of March 2026
Geography
Mongolia
Users must use the Pcode reference to join this data with standard WFP administrative boundary shapefiles.