Mass Balance (m w. eq.) for IGAN Glacier (after Voloshina, 1988) Year Bw Bs Bn 1958 1.15 1.45 -0.3 1959 2.65 3.00 -0.35 1960 1.40 2.08 -0.68 1961 2.20 2.46 -0.26 1962 3.20 3.20 0 1963 2.10 3.37 -1.27 1964 1.00 2.00 -1 1965 2.50 3.16 -0.66 1966 1.75 1.95 -0.2 1967 3.14 2.86 0.28 1968 3.41 0.92 2.49 1969 1.42 2.00 -0.58 1970 1.78 1.77 0.01 1971 1.84 1.98 -0.14 1972 2.91 2.53 0.38 1973 3.00 2.68 0.32 1974 2.19 3.12 -0.93 1975 2.72 1.80 0.92 1976 2.51 3.83 -1.32 1977 2.36 4.02 -1.66 1978 - - 0.89 1979 - - -0.37 1980 - - 1.02 1981 - - -1.11 Cumult. - - -4.52 Average 2.26 2.51 -0.19