# McMurdo Sound ice edge distance and icebreaker dates # PIs: Stacy Kim et al. # data version: 31 Jan 2017 ========================= lat_approx lon_approx ------------------------- -77.8539 166.4686 ========================= austral_year start_year start_month start_day arrival_year arrival_month arrival_day edge_distance ships ------------------------- 2014/15 2015 1 12 2015 1 nd 37 polar star 2013/14 2014 1 15 2014 1 16 17 polar star 2012/13 2013 2 4 2013 2 12 33 vladimir ignatyuk 2011/12 2012 1 23 2012 1 26 22 vladimir ignatyuk 2010/11 2011 1 12 2011 1 17 41 oden 2009/10 2010 1 9 2010 1 10 29 oden 2008/09 2009 1 9 2009 1 12 46 oden 2007/08 2008 1 4 2008 2 13 31 oden 2006/07 2006 12 27 2007 1 7 44 oden/polar sea 2005/06 2005 12 30 2006 1 12 162 krasin 2004/05 2004 12 24 2004 12 30 157 krasin/polar star 2003/04 2003 12 25 2004 1 6 29 polar sea/polar star 2002/03 2002 12 30 2003 1 9 96 polar sea/healy (later) 2001/02 2001 12 24 2002 1 2 83 polar star 2000/01 2000 12 28 2001 1 5 26 polar sea 1999/00 1999 12 28 1999 12 29 69 polar star 1998/99 1999 1 4 1999 1 7 57 polar sea 1997/98 1997 12 30 1998 1 5 30 polar star 1996/97 1997 1 2 1997 1 3 31 polar sea 1995/96 1996 1 5 1996 1 7 26 polar star 1994/95 1995 1 5 1995 1 9 79 polar star/polar sea 1993/94 1994 1 1 1994 1 1 34 polar sea 1992/93 1993 1 2 1993 1 3 33 polar star 1991/92 1992 1 2 1992 1 4 34 polar sea 1990/91 1991 1 3 1991 1 5 53 polar sea 1989/90 1990 1 3 1990 1 4 59 polar star 1988/89 1989 1 4 1989 1 6 15 polar sea 1987/88 1988 1 2 1988 1 3 15 polar star/polar sea 1986/87 1987 1 8 1987 1 17 59 polar sea/glacier 1985/86 1986 1 7 1986 1 16 61 polar star 1984/85 1985 1 16 1985 1 25 27 polar star 1983/84 1984 1 9 1984 1 15 26 polar sea/westwind 1982/83 1983 1 6 1983 1 18 52 polar star/glacier 1981/82 1982 1 15 1982 1 27 43 polar sea/glacier 1980/81 1981 1 10 1981 1 21 30 polar star/glacier 1979/80 1980 1 3 1980 1 15 31 polar sea/northwind 1978/79 1979 1 9 1979 2 3 57 polar star/glacier 1977/78 1977 12 30 1978 1 10 28 polar star/glacier/burton island 1976/77 1977 1 4 1977 1 21 37 northwind/burton island 1975/76 1976 1 1 1976 1 7 11 glacier/burton island 1974/75 1974 12 30 1975 1 16 41 glacier/burton island 1973/74 1973 12 30 1974 1 15 31 staten island/glacier 1972/73 1972 12 22 1973 1 10 20 glacier/northwind 1971/72 1971 12 15 1972 1 9 30 staten island/northwind 1970/71 1971 1 11 1971 1 24 43 staten island/burton island 1969/70 1969 12 28 1970 1 15 25 burton island/edisto 1968/69 1968 12 3 1969 1 12 83 glacier/burton island/southwind 1967/68 1967 11 29 1967 12 2 34 burton island/westwind/staten island 1966/67 1966 11 23 1966 12 16 30 glacier/burton island/staten island 1965/66 1965 11 24 1965 12 13 47 glacier/burton island/atka 1964/65 1964 11 22 1964 12 5 35 glacier/eastwind/staten island 1963/64 1963 11 14 1963 12 7 39 atka/eastwind/staten island 1962/63 1962 11 14 1962 12 17 124 glacier/eastwind/staten island 1961/62 1961 11 19 1961 11 30 41 glacier/eastwind/burton island 1960/61 1960 12 4 1960 12 20 24 glacier/staten island 1959/60 1959 12 14 1960 1 6 48 glacier/northwind/eastwind 1958/59 1958 12 16 1958 12 27 33 eastwind/edisto 1957/58 1957 12 16 1957 12 22 nd glacier/burton island/atka 1956/57 1956 10 28 1956 11 2 nd glacier