A waterfall fed by meltwater from the Langjokull icecap in Iceland, Polar Regions

iceland water waterfall melt water melting summer cascade cliff rock geology mountain glacier glaciatiion ice ice cap langjokull glacial retreat retreating recede receding climate change global warming day outdoors landscape landscapes scenics glaciology nature natural world topography glaciers waterfalls physical geography surface processes polar regions mountains icecap icecaps ice caps horizontal