Mass Balance (m w. eq.) for Obruchev Glacier (after Voloshina, 1988) Year Bw Bs Bn 1958 1.85 2.35 -0.5 1959 2.90 3.45 -0.55 1960 1.75 2.25 -0.5 1961 2.80 3.01 -0.21 1962 3.50 3.65 -0.15 1963 2.50 3.23 -0.73 1964 1.10 2.40 -1.3 1965 2.42 2.78 -0.36 1966 2.03 1.75 0.28 1967 3.76 3.56 0.2 1968 3.41 1.60 1.81 1969 1.48 2.03 -0.55 1970 2.20 1.86 0.34 1971 2.26 2.47 -0.21 1972 3.65 2.80 0.85 1973 3.08 2.90 0.18 1974 2.62 3.30 -0.68 1975 2.75 2.58 0.17 1976 3.52 4.87 -1.35 1977 3.35 4.99 -1.64 1978 3.76 2.20 1.56 1979 2.98 2.99 -0.01 1980 - - 1.07 1981 - - -0.94 Cumulat. - - -3.22 Average 2.71 2.86 -0.13