1. npphen::modis_dates
    A vector with dates for both RasterStack datasets: Mega drought and Blooming Desert, with 929 dates
  2. npphen::phents
    A dataframe with 8-days MODIS NDVI of a pixel with deciduous Nothofagus macrocarpa forest, Central Chile, using MOD13Q1/MYD13Q1 combined