Chart 3. Dense time series of Harmonized Landsat Sentinel-2 (HLS) at 30 m (98 ft) resolution revealing winter and summer crops in southern Romania in 2018 (high) and 2023 (down). Magenta areas indicate forests, green areas represent summer crops (e.g. corn, sunflower, soybeans), and blue areas represent winter crops (e.g. wheat, barley, rapeseed). Yellow areas indicate very low enhanced vegetative index-2 in spring due to persistent snow or clouds at higher elevations.
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