San Francisco Bay Salinity Reconstruction --------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program --------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCES WHEN USING THIS DATA!!!!! CONTRIBUTOR: David Stahle, University of Arkansas NAME OF DATA SET: San Francisco Bay Salinity Reconstruction IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2001-031 SUGGESTED DATA CITATION: Stahle, et al., 2001, San Francisco Bay Salinity Reconstruction. International Tree-Ring Data Bank. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2001-031. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Stahle, D.W., M.D. Therrell, M.K. Cleaveland, D.R. Cayan, M.D. Dettinger and N. Knowles. 2001. Ancient blue oaks reveal human impact on San Francisco Bay salinity. Eos, Transactions, American Geophysical Union. 82(12): 141, 144-145. Tree-ring standardization reference: Cook, E.R. 1985. A Time Series Analysis Approach to Tree-Ring Standardization. PhD dissertation. Tucson: U. of Arizona. (available from U. Microfilms International Ann Arbor, MI) 171 p. LAST UPDATE: 3/2001 (Original receipt by WDC-A Paleo) GEOGRAPHIC REGION: San Francisco Bay, California USA PERIOD OF RECORD: 1604-1997 AD DESCRIPTION: Reconstructed and observed San Francisco Bay (Ft. Point) salinity (parts/million X 10). Reconstructed from the mean of five standard chronologies (Cook 1985) of CA blue oak (Q. douglasii Hook. and Am.): 1. Clear Lk(CLR) 39.014D, 122.812D, 430m, 1642-1996; 2. American R(AMR) 38.762D, 121.105D, 185m, 1603-1996; 3. Mt. Diablo(DIA) 37.867D, 121.95D, 800m, 1645-1997; 4. Pacheco Pass(PPP) 37.046D, 121.168D, 395m, 1607-1996; 5. Pinnacles Nat Mon(PIN) 36.467D, 121.183, 350m, 1576-1996 Linear regression calibration 1922-52 (missing values 1946, 1948) with Jan-July mean salinity. Equation: YHATsubt=3.455-6.509Xsubt, where YHATsubt is the estimated Jan-July salinity X 10 for year t, and Xsubt is the average tree-ring width for year t. DATA: Year Observed Reconstructed 1604 294.85 1605 285.28 1606 282.87 1607 283.26 1608 278.90 1609 272.78 1610 274.15 1611 275.84 1612 287.24 1613 293.68 1614 282.42 1615 270.24 1616 273.69 1617 260.28 1618 287.11 1619 285.80 1620 259.57 1621 279.75 1622 303.97 1623 270.50 1624 250.91 1625 272.59 1626 262.43 1627 281.70 1628 254.95 1629 289.25 1630 276.36 1631 287.43 1632 304.23 1633 297.07 1634 301.62 1635 278.77 1636 287.63 1637 299.80 1638 303.51 1639 314.45 1640 271.81 1641 253.97 1642 276.88 1643 267.71 1644 283.26 1645 291.21 1646 277.47 1647 284.37 1648 293.81 1649 268.16 1650 279.36 1651 277.86 1652 289.64 1653 298.11 1654 311.19 1655 297.78 1656 239.45 1657 277.34 1658 286.71 1659 297.91 1660 256.05 1661 263.67 1662 271.81 1663 290.75 1664 264.26 1665 274.35 1666 291.73 1667 312.49 1668 275.71 1669 301.75 1670 311.06 1671 273.11 1672 243.55 1673 302.73 1674 283.13 1675 283.00 1676 292.96 1677 259.05 1678 268.88 1679 275.45 1680 269.01 1681 277.47 1682 275.45 1683 269.79 1684 281.77 1685 277.73 1686 300.52 1687 287.95 1688 290.43 1689 284.05 1690 293.16 1691 314.58 1692 284.24 1693 265.04 1694 269.98 1695 277.93 1696 257.09 1697 267.64 1698 295.63 1699 276.36 1700 270.70 1701 282.48 1702 267.90 1703 292.57 1704 262.37 1705 274.22 1706 294.46 1707 279.81 1708 285.74 1709 267.58 1710 306.37 1711 280.66 1712 278.12 1713 281.57 1714 285.35 1715 287.50 1716 285.54 1717 282.74 1718 279.94 1719 296.94 1720 275.39 1721 307.87 1722 289.71 1723 258.01 1724 274.93 1725 254.43 1726 293.55 1727 264.84 1728 292.96 1729 303.71 1730 243.36 1731 261.52 1732 269.59 1733 307.16 1734 269.85 1735 292.25 1736 297.59 1737 298.30 1738 258.01 1739 252.99 1740 242.45 1741 274.41 1742 266.34 1743 261.85 1744 258.79 1745 258.59 1746 263.08 1747 274.22 1748 297.39 1749 282.61 1750 281.83 1751 286.78 1752 279.49 1753 265.43 1754 282.09 1755 288.47 1756 302.99 1757 296.94 1758 278.90 1759 260.22 1760 280.66 1761 279.68 1762 278.25 1763 266.01 1764 275.58 1765 312.10 1766 271.29 1767 262.50 1768 273.37 1769 256.25 1770 300.39 1771 279.68 1772 290.03 1773 276.95 1774 278.84 1775 288.08 1776 313.34 1777 316.20 1778 293.03 1779 283.13 1780 291.27 1781 285.54 1782 321.28 1783 317.57 1784 258.27 1785 256.12 1786 268.29 1787 244.27 1788 294.72 1789 245.57 1790 247.26 1791 269.07 1792 247.52 1793 273.43 1794 304.16 1795 323.56 1796 320.24 1797 283.13 1798 273.82 1799 269.07 1800 295.96 1801 272.00 1802 278.06 1803 301.49 1804 272.26 1805 282.42 1806 273.04 1807 291.21 1808 298.11 1809 305.66 1810 277.99 1811 268.03 1812 294.92 1813 258.20 1814 274.80 1815 276.69 1816 277.14 1817 273.24 1818 291.86 1819 270.90 1820 282.03 1821 269.98 1822 301.43 1823 287.43 1824 295.31 1825 244.33 1826 262.50 1827 291.21 1828 255.34 1829 320.63 1830 268.88 1831 286.52 1832 258.79 1833 261.20 1834 284.44 1835 275.97 1836 267.71 1837 286.91 1838 256.57 1839 287.17 1840 292.64 1841 325.12 1842 275.91 1843 317.12 1844 322.91 1845 297.72 1846 300.06 1847 266.73 1848 275.00 1849 281.90 1850 266.60 1851 285.35 1852 272.20 1853 258.92 1854 257.68 1855 277.28 1856 299.73 1857 290.82 1858 299.67 1859 292.51 1860 273.30 1861 276.62 1862 245.05 1863 283.85 1864 327.21 1865 281.57 1866 263.28 1867 263.02 1868 228.06 1869 268.49 1870 299.15 1871 300.84 1872 270.37 1873 279.62 1874 269.33 1875 289.12 1876 266.53 1877 313.41 1878 247.39 1879 279.36 1880 271.42 1881 270.90 1882 283.85 1883 291.73 1884 250.06 1885 295.70 1886 263.21 1887 287.43 1888 280.47 1889 275.06 1890 262.11 1891 271.09 1892 289.90 1893 267.84 1894 276.17 1895 274.61 1896 273.89 1897 289.97 1898 319.33 1899 299.34 1900 297.20 1901 271.48 1902 280.73 1903 284.89 1904 276.69 1905 266.92 1906 259.57 1907 261.65 1908 286.39 1909 282.74 1910 279.03 1911 275.78 1912 308.20 1913 316.14 1914 266.92 1915 249.22 1916 273.76 1917 275.97 1918 302.92 1919 289.45 1920 304.36 1921 280.53 1922 261.00 270.96 1923 280.71 277.86 1924 313.43 315.68 1925 274.86 278.51 1926 284.14 279.03 1927 260.86 275.19 1928 286.86 283.79 1929 302.00 299.86 1930 290.57 292.90 1931 315.14 316.92 1932 281.14 273.96 1933 300.00 296.67 1934 303.14 309.43 1935 266.71 266.86 1936 267.43 249.61 1937 264.29 256.25 1938 226.29 260.02 1939 306.29 302.34 1940 249.29 258.59 1941 225.00 226.04 1942 248.71 243.75 1943 266.43 270.05 1944 304.00 276.17 1945 293.86 285.02 1946 . 294.85 1947 300.14 302.40 1948 . 305.92 1949 296.86 292.51 1950 292.86 293.49 1951 275.00 279.88 1952 244.71 246.61 1953 285.43 267.97 1954 285.43 286.45 1955 308.29 289.25 1956 255.57 267.64 1957 296.14 270.11 1958 243.14 263.41 1959 325.00 294.27 1960 323.86 292.05 1961 315.00 305.92 1962 312.00 276.95 1963 269.14 254.75 1964 309.71 302.08 1965 264.57 278.84 1966 302.86 287.30 1967 251.43 276.04 1968 316.40 300.39 1969 261.50 265.04 1970 298.67 281.25 1971 301.43 274.15 1972 318.00 308.72 1973 311.14 274.35 1974 297.29 263.67 1975 305.00 278.25 1976 336.00 320.63 1977 342.43 322.39 1978 289.71 249.80 1979 309.57 261.52 1980 286.83 260.80 1981 315.14 280.53 1982 259.00 269.27 1983 245.33 258.66 1984 292.43 282.48 1985 315.14 293.29 1986 288.00 268.36 1987 319.29 300.71 1988 337.29 301.10 1989 320.86 300.58 1990 328.43 303.25 1991 325.57 275.97 1992 321.86 280.47 1993 283.43 240.95 1994 310.40 279.10 1995 . 253.77 1996 . 265.30 1997 . 278.06