New research: Using NDVI differences to measure drought in the Russian River watershed
NDVI is a measurement of vegetation density and indicates plant health at a given location. … To visualize drought in the Russian River Watershed, we subtracted the NDVI values from the first two weeks of June in 2020 from the same two weeks in 2021. By taking the difference between the two sets of data we were able to quantify changes in vegetation within the watershed over a one year period.