Generation of a novel 1Â km NDVI data set over Canada, the northern United States, and Greenland based on historical AVHRR data

► Novel 1 km AVHRR NDVI dataset covering parts of North America and Greenland. ► Approximately 2.7 × 105 of individual AVHRR scenes were processed. ► Georeferencing compliant with the geolocation accuracy requirements of GCOS. ► AVHRR NDVI: BRDF-adjusted without a-priori assumptions on land cover or seasonality. ► Close agreement with MODIS NDVI at continental, regional, and local scales.