Evaluation of the Plant Phenology Index (PPI), NDVI and EVI for Start-of-Season Trend Analysis of the Northern Hemisphere Boreal Zone

Paulina Karkauskaite, Torbern Tagesson, Rasmus Fensholt
2017 Remote Sensing  
doi:10.3390/rs9050485 fatcat:tz424rvrvjadzcbfqdn6r566bi