. in this region it s estimated that thirty percent of the surface runoff comes from snow melt since two thousand observe the annual variability years between ten and thirty percent depending on the year so as far as trends go the number of heavy snow days increases at high altitudes and decreases lower down with an increasingly early start to the mounting. block of. satellite images can be accurate down to several nieces. the compilation of images taken by the taiwanese formats to satellite office a spectacular overview of the riaa catchment. the collected data allows scientists to map the water cycle in the high atlas and thus provide sustainable water levels for the solutions. to this reset is critical for southern mediterranean regions with water consumption is increasing while resources are diminishing from