The dataset comprises 144 (21-by-21) 30 m Enhanced Vegetation Index (EVI) values computed from Harmonized Landsat Sentinel-2 (HLS) reflectance data (the L30 and S30 products) from January 1, 2014 to December 31, 2019, for tile ID 18TYN (available via https://hls.gsfc.nasa.gov/data/). This small area of interest is forested land on the Quabbin Reservoir Watershed System in central Massachusetts.
data(aoi_hls)
The data are held in a 273420-by-7 data frame with the following columns:
is the pixel id
easting coordinate
northing coordinate
L30 for Landsat 8 and S30 for Sentinel-2
of data collection
day of the year of data collection
computed enhanced vegetation index
The proj4string for these data is "+proj=utm +zone=18 +ellps=WGS84 +units=m +no_defs".