Research on glacier mass balance began in the USA about 50 years ago. More complete studies of climate, snow and ice balance, and the hydrology of glaciers were initiated for the IGY in 1957 and the IHD in 1966. Investigations included the magnitude and geographic distribution of normal mass balance processes and unusual phenomena such as outbursting, accumulation of ice by freezing of water in firn, and ablation of glacier ice by volcanic activity and by calving. -from Author
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Glacier mass balance and runoff research in the U.S.A.