Mass Balance (m w. eq.) for Finterwalderbreen (after Hagen, 1996) Year Bn 1950-52 -1.35 1952-54 0.05 1954-56 -1.2 1956-58 0.2 1958-60 -0.05 1960-62 -1.15 1962-64 -0.1 1964-66 -0.4 1966-68 -0.55 Cumulat. -4.55 Average -0.51