Mass Balance (m w. eq.) for Vavilov Glacier (after Barkov et al, 1992) Year Bw Bs Bn 1975 0.12 0.33 -0.21 1976 0.39 0.04 0.35 1977 0.31 0.16 0.15 1978 0.17 0.70 -0.53 1979 0.21 0.82 -0.61 1980 0.16 0.32 -0.16 1981 0.38 0.13 0.25 1982 - - - 1983 - - - 1984 - - - 1985 - - - 1986 0.36 0.28 0.08 1987 0.31 0.38 -0.07 1988 0.44 +0.02 0.46 Cumulat. - - -0.29 Average 0.29 0.31 -0.03