Days Without Clouds: Realism, Images, and Target Classifiers at Google Earth Engine

Introduction In 2013, Google announced the creation of a cloud-less, night-less, Spring-all-over image of the Earth. This new cloud-free image–assembled from a 40-year archive of satellite images–allowed anyone to see, with perfect clarity, any spot on the Earth’s surface. Creating this new image upgraded Google’s mapping products. Older and less-clear images were updated. Certain parts …