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Using global 8- km 1982 to 1999 Normalized Difference Vegetation Index (NDVI) data and an eight-element monthly global 1961 to 1990 monthly climatology data, White et al. (2005) identified pixels consistently dominated by annual cycles and then created 500 phenologically and climatically self-similar clusters, which they termed phenoregions. They ranked and screened each phenoregion as a function of landcover homogeneity and consistency, evidence of human impacts, and political diversity. The remaining 140 phenoregions represent areas with a minimized probability of human influence and non-climatic forcings and form elemental units for long-term phenological monitoring.     
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This data set contains 3 data granules
Page    Records per Page   
Granule Name Variables Metadata Preview Image
    Elemental Phenoregions elemental phenoregions Projection: WGS 84
Spatial Extent: N: 80, S: -80, E: 180, W: -180
Start DateTime: 1982-01-01T00:01
End DateTime: 1999-12-31T23:59		 Elemental Phenoregions
 
    Final monitoring phenoregions final monitoring phenoregions Projection: WGS 84
Spatial Extent: N: 80, S: -80, E: 180, W: -180
Start DateTime: 1982-01-01T00:01
End DateTime: 1999-12-31T23:59		 Final monitoring phenoregions
 
    Phenoregions Ranking phenoregions ranking Projection: WGS 84
Spatial Extent: N: 80, S: -80, E: 180, W: -180
Start DateTime: 1982-01-01T00:01
End DateTime: 1999-12-31T23:59		 Phenoregions Ranking
     
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