@article{d14ae7cc7c2f42c5bf004a5384caffd8,
title = "Evaluation of the Plant Phenology Index (PPI), NDVI and EVI for Start-of-Season Trend Analysis of the Northern Hemisphere Boreal Zone",
keywords = "vegetation phenology, SOS (start of season), MODIS time series, climate change, high latitudes, boreal forest",
author = "Paulina Karkauskaite and Tagesson, {H{\aa}kan Torbern} and Rasmus Fensholt",
year = "2017",
month = may,
day = "1",
doi = "10.3390/rs9050485",
language = "English",
volume = "9",
journal = "Remote Sensing",
issn = "2072-4292",
publisher = "M D P I AG",
number = "5",
}
