Table 2.
236U/238U data for coral core HMF-1.
| Sample | Coral year | Dry mass | 236U/238U (×10−9) |
|---|---|---|---|
| (g) | |||
| HMF-1-1944B4 | 1944 | 3.33 | <0.01 |
| HMF-1-1945B4 | 1945 | 2.35 | <0.02 |
| HMF-1-1946B4 | 1946 | 1.45 | <0.03 |
| HMF-1-1947B4 | 1947 | 1.28 | <0.04 |
| HMF-1-1948B4 | 1948 | 1.31 | 0.09±0.04 |
| HMF-1-1949B3 | 1949 | 2.24 | <0.03 |
| HMF-1-1950B3 | 1950 | 3.74 | 0.03±0.01 |
| HMF-1-1951B3 | 1951 | 3.89 | 0.06±0.02 |
| HMF-1-1952B3 | 1952 | 3.69 | 0.07±0.02 |
| HMF-1-1953B3 | 1953 | 3.93 | 0.12±0.02 |
| HMF-1-1954B3 | 1954 | 4.30 | 0.22±0.03 |
| HMF-1-1955B3 | 1955 | 3.36 | 0.32±0.04 |
| HMF-1-1956B3 | 1956 | 3.32 | 0.26±0.03 |
| HMF-1-1957B3 | 1957 | 3.98 | 0.35±0.05 |
| HMF-1-1958B3 | 1958 | 3.35 | 0.65±0.05 |
| HMF-1-1959B3 | 1959 | 3.31 | 0.60±0.07 |
| HMF-1-1960B3 | 1960 | 3.85 | 0.60±0.03 |
| HMF-1-1961B3 | 1961 | 4.14 | 0.92±0.05 |
| HMF-1-1962B3 | 1962 | 4.12 | 1.46±0.06 |
| HMF-1-1963B2 | 1963 | 2.38 | 1.73±0.07 |
| HMF-1-1964B3 | 1964 | 2.06 | 1.84±0.08 |
| HMF-1-1965B2 | 1965 | 5.21 | 1.75±0.06 |
| HMF-1-1966B2 | 1966 | 3.75 | 1.56±0.08 |
| HMF-1-1967B2 | 1967 | 4.85 | 1.36±0.06 |
| HMF-1-1968B2 | 1968 | 4.48 | 1.38±0.03 |
| HMF-1-1969B2 | 1969 | 3.20 | 1.16±0.06 |
| HMF-1-1970B2 | 1970 | 3.98 | 1.27±0.05 |
| HMF-1-1971B2 | 1971 | 4.10 | 1.21±0.04 |
| HMF-1-1972B2 | 1972 | 4.99 | 0.92±0.07 |
| HMF-1-1973B2 | 1973 | 5.14 | 0.86±0.05 |
| HMF-1-1974B2 | 1974 | 4.59 | 0.86±0.05 |
| HMF-1-1975B2 | 1975 | 4.86 | 0.88±0.05 |
| HMF-1-1976B2 | 1976 | 5.23 | 0.79±0.09 |
| HMF-1-1977B2 | 1977 | 4.24 | 0.83±0.06 |
| HMF-1-1978B2 | 1978 | 3.47 | 0.79±0.06 |
| HMF-1-1979B2 | 1979 | 3.96 | 0.71±0.05 |
| HMF-1-1980B2 | 1980 | 4.38 | 0.93±0.08 |
| HMF-1-1981B2 | 1981 | 2.85 | 0.87±0.06 |
| HMF-1-1982B2 | 1982 | 5.83 | 0.70±0.06 |
| HMF-1-1983B2 | 1983 | 5.63 | 0.64±0.06 |
| HMF-1-1984B2 | 1984 | 4.60 | 0.86±0.05 |
| HMF-1-1985B2 | 1985 | 4.12 | 0.77±0.06 |
| HMF-1-1986B2 | 1986 | 3.03 | 0.69±0.08 |
| HMF-1-1987B2 | 1987 | 3.85 | 0.72±0.12 |
| HMF-1-1988B2 | 1988 | 4.57 | 0.77±0.06 |
| HMF-1-1989B2 | 1989 | 3.76 | 0.73±0.05 |
| HMF-1-1990B2 | 1990 | 4.95 | 0.75±0.06 |
| HMF-1-1991B2 | 1991 | 5.67 | 0.67±0.04 |
| HMF-1-1992B2 | 1992 | 1.90 | 0.67±0.07 |
| HMF-1-1993B1 | 1993 | 4.02 | 0.68±0.05 |
| HMF-1-1994B1 | 1994 | 3.03 | 0.70±0.04 |
| HMF-1-1995B1 | 1995 | 3.97 | 0.73±0.03 |
| HMF-1-1996B1 | 1996 | 4.38 | 0.67±0.04 |
| HMF-1-1997B1 | 1997 | 3.65 | 0.70±0.03 |
| HMF-1-1998B1 | 1998 | 4.21 | 0.70±0.03 |
| HMF-1-2000B1 | 1999–2000 | 2.55 | 0.69±0.05 |
| HMF-1-2001B1 | 2001 | 3.33 | 0.67±0.07 |
| HMF-1-2002B1 | 2002 | 3.07 | 0.64±0.06 |
| HMF-1-2003B1 | 2003 | 3.38 | 0.72±0.08 |
| HMF-1-2004B1 | 2004 | 4.39 | 0.63±0.05 |
| HMF-1-2005B1 | 2005 | 4.49 | 0.73±0.04 |
| HMF-1-2006B1 | 2006 | 2.67 | 0.74±0.12 |
1σ-errors are given.