It’s marshland vs. ocean on the Gulf Coast of Louisiana. thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a011000/a011042/7-Loveland-1-Pecan_series_gal.png
Data in Harmony: NASA’s Harmonized Landsat and Sentinel-2 Project
NASA’s Harmonized Landsat and Sentinel-2 (HLS) project is a groundbreaking initiative that combines data from Landsats 8 & 9 with the European Space Agency’s Sentinel-2A & 2B satellites.