This directory contains binary maps and images of the annual snow and ice occurrence The dataset strats in 2007 The annual snow and ice occurrence was calculated from corresponding daily maps of snow and ice cover derived within the Global Multisensor Snow and Ice System (GMASI) at 2 km spatial reoslution data Direcvtory contains maps of snow and ice occurrence in the binary format images Directory contains reduced resolution (labeled rr) and full resolution images of annual snow and ice occurrence