What are the most green states of the United States? This video identifies and explores the greenest states of the United States. NOTE: Referring to the actual color green - not environmentalism!
Keywords: Geography Viz, United States, Greenness, Remote Sensing, Landsat 8, Maine, Vermont, New Hampshire, Forest Cover, Agriculture
Methodology:
-Used Google Earth Engine to create an image collection
-Landsat 8 Surface Reflectance data (LANDSAT/LC08/C02/T1_L2)
-Five year date filter (get enough data for month and cloud filtering)
-June to August filter (avoid snow cover, leaf-on period)
-Applied cloud mask using the QA_PIXEL band
-Created median image RGB composite from the image collection
-Calculated 'greenness' index = Green / (0.5 Red + 0.5 Blue)
-Reduced mean greenness for State polygons (scale = 3000 m)
-Polygons included District of Columbia, so ranks ranged 1 to 51
Негізгі бет Greenest states of the USA
Пікірлер: 53