Mass Balance (m w. eq.) for Engabreen (after Haakensen, 1998: Elveh¿y, 1999;2000;Elveh¿y and Jackson, 2001) Year Bw Bs Bn 1970 2.05 3.04 -0.99 1971 3.20 2.19 1.01 1972 3.22 3.29 -0.07 1973 4.37 1.65 2.72 1974 3.39 2.59 0.8 1975 3.18 1.57 1.61 1976 3.86 1.45 2.41 1977 2.08 1.20 0.88 1978 2.48 2.99 -0.51 1979 3.64 3.22 0.42 1980 2.68 3.18 -0.5 1981 2.91 1.93 0.98 1982 2.27 1.43 0.84 1983 2.34 1.28 1.06 1984 3.83 2.78 1.05 1985 1.50 2.40 -0.9 1986 2.70 2.45 0.25 1987 2.57 1.63 0.94 1988 2.26 4.05 -1.79 1989 4.62 1.45 3.17 1990 3.49 2.64 0.85 1991 2.83 2.14 0.69 1992 4.05 1.71 2.34 1993 3.06 2.02 1.04 1994 1.95 1.53 0.42 1995 2.39 1.91 0.48 1996 2.97 2.14 0.83 1997 4.44 3.22 1.22 1998 2.98 2.82 0.16 1999 2.12 2.20 -0.08 2000 2.76 1.27 1.50 Cumulat. - - 22.83 Average 2.98 2.27 0.71