In the Everest region, Nepal, ground-based monitoring programmes were started on the debris-free Mera Glacier (27.7?? N, 86.9?? E; 5.1 km2, 6420 to 4940 m a.s.l.) in 2007 and on the small Pokalde Glacier (27.9?? N, 86.8?? E; 0.1 km2, 5690 to 5430 m a.s.l., ~ 25 km...