# Low-frequency Temperature Variations from a Northern Tree Ring Density Network: Northern Siberia # http://www.ncdc.noaa.gov/paleo/metadata/noaa-recon-6274.html # http://www.ncdc.noaa.gov/paleo/pubs/briffa2001/briffa2001.html # Temperature Anomaly # April # September # degrees C # Annual # 1961 AD - 1990 AD # 1400 AD # 1995 AD # Briffa, K.R., T.J. Osborn, F.H. Schweingruber, I.C. Harris, P.D. Jones, S.G. Shiyatov, and E.A. Vaganov. # Briffa, K.R., T.J. Osborn, F.H. Schweingruber, I.C. Harris, P.D. Jones, S.G. Shiyatov, and E.A. Vaganov. 2001. Low-frequency Temperature Variations from a Northern Tree Ring Density Network. Journal of Geophysical Research 106:2929-2941. # # # # # # Based on tree-ring density, processed using the age-band decomposition (ABD) standardisation procedure. # # # March 2009, v 1.0.0 # # YearAD Anomaly 1995 NaN 1994 NaN 1993 NaN 1992 NaN 1991 0.29 1990 0.4 1989 -1.07 1988 0.19 1987 -0.36 1986 -0.08 1985 -0.44 1984 0.35 1983 -0.06 1982 0.03 1981 -0.13 1980 -1.16 1979 0.28 1978 -1.03 1977 -0.21 1976 -0.36 1975 -0.48 1974 -0.78 1973 -0.37 1972 -0.32 1971 -0.28 1970 -1.1 1969 -0.22 1968 -1.25 1967 0.56 1966 -0.31 1965 0.1 1964 -0.36 1963 0.13 1962 0.21 1961 -0.07 1960 -0.03 1959 0.94 1958 -1.45 1957 0.55 1956 0.55 1955 0.64 1954 0.24 1953 1.05 1952 -0.22 1951 -0.25 1950 0.35 1949 -0.52 1948 0.33 1947 -0.01 1946 0.03 1945 1.19 1944 -0.15 1943 0.95 1942 0.62 1941 0.18 1940 0.4 1939 0.27 1938 0.48 1937 -0.23 1936 -0.26 1935 0.24 1934 -0.57 1933 -0.27 1932 0.56 1931 -0.01 1930 -0.19 1929 -0.57 1928 0.32 1927 -0.74 1926 -0.22 1925 -1.49 1924 0.41 1923 0.57 1922 0.75 1921 -0.21 1920 0.11 1919 0.06 1918 -0.92 1917 -0.09 1916 -0.54 1915 0.85 1914 -0.04 1913 0 1912 -1.96 1911 0.17 1910 0.18 1909 0.21 1908 0.73 1907 -0.5 1906 0.12 1905 -1.22 1904 0.13 1903 -0.46 1902 -0.99 1901 -0.83 1900 -0.78 1899 -0.72 1898 -0.49 1897 0.49 1896 0.53 1895 -0.25 1894 0.33 1893 -0.35 1892 0.26 1891 -1.09 1890 -0.6 1889 -0.77 1888 0.15 1887 -0.18 1886 -1.66 1885 -1.92 1884 -2.09 1883 -0.51 1882 -1.24 1881 -0.21 1880 0.14 1879 -0.58 1878 0.23 1877 0.06 1876 -0.42 1875 0.43 1874 -0.09 1873 -0.5 1872 -0.73 1871 -0.17 1870 -0.22 1869 -1.41 1868 0.44 1867 -1.9 1866 -1.45 1865 0.21 1864 -0.28 1863 0.02 1862 -0.65 1861 0.56 1860 -0.1 1859 -0.24 1858 0.08 1857 -0.78 1856 -0.11 1855 -0.87 1854 -0.54 1853 0.65 1852 -0.33 1851 -0.11 1850 -0.34 1849 -0.47 1848 -0.14 1847 -0.72 1846 0.07 1845 -0.33 1844 -0.24 1843 -0.59 1842 0.14 1841 0.05 1840 0.01 1839 -0.45 1838 -0.32 1837 -1.79 1836 -0.5 1835 -0.1 1834 -0.9 1833 -1.81 1832 -1.44 1831 -0.15 1830 -1.24 1829 0 1828 -0.91 1827 -0.39 1826 -1.06 1825 -1.87 1824 -0.51 1823 -0.15 1822 -0.37 1821 -0.33 1820 -1.09 1819 -1.92 1818 -0.6 1817 -1.25 1816 -1.36 1815 -1.1 1814 -0.08 1813 -1.05 1812 -0.79 1811 -0.55 1810 -0.01 1809 -1.16 1808 -0.34 1807 -0.84 1806 -0.15 1805 -0.34 1804 -0.13 1803 0.52 1802 -0.49 1801 -1.24 1800 -1.72 1799 -0.93 1798 -0.57 1797 -1.02 1796 -0.61 1795 -0.13 1794 0.21 1793 0.25 1792 -0.4 1791 -0.4 1790 -0.68 1789 0.18 1788 -0.89 1787 0.07 1786 -0.27 1785 0.08 1784 0.37 1783 -1.65 1782 -0.14 1781 -0.42 1780 -1.03 1779 -1.3 1778 0 1777 -0.25 1776 -0.42 1775 -0.29 1774 -0.4 1773 -1.57 1772 -1.08 1771 -0.72 1770 -0.46 1769 -0.68 1768 -0.01 1767 -0.01 1766 0.37 1765 0.42 1764 -1.04 1763 0.29 1762 -0.68 1761 0.42 1760 -0.66 1759 -0.65 1758 -0.69 1757 0.34 1756 -0.96 1755 -1.09 1754 -1.1 1753 0.63 1752 -0.24 1751 -0.85 1750 0.36 1749 -0.05 1748 -0.3 1747 0.71 1746 -0.27 1745 -0.49 1744 0.52 1743 0.42 1742 -1.61 1741 -1.65 1740 -0.3 1739 0.25 1738 -0.95 1737 0.3 1736 -0.48 1735 -0.84 1734 0.09 1733 -0.06 1732 -0.81 1731 -1.56 1730 -0.69 1729 0.2 1728 -0.35 1727 0.53 1726 0.4 1725 -0.63 1724 0.1 1723 -0.69 1722 0.1 1721 -0.73 1720 0.43 1719 0.52 1718 -0.44 1717 0.28 1716 0.31 1715 -0.11 1714 -0.46 1713 0.25 1712 -0.86 1711 -0.08 1710 -0.11 1709 -0.98 1708 -0.23 1707 0.25 1706 -1.12 1705 -0.31 1704 -0.08 1703 -0.09 1702 -1.55 1701 -0.61 1700 -0.86 1699 -1.78 1698 -2.35 1697 -0.84 1696 -2.25 1695 -0.49 1694 -0.3 1693 0.39 1692 -1 1691 0.68 1690 0.2 1689 0.11 1688 0.24 1687 0.32 1686 -0.42 1685 -1.22 1684 -0.71 1683 0.18 1682 0.19 1681 -0.09 1680 -0.59 1679 -0.68 1678 -0.59 1677 0.04 1676 0.29 1675 -0.68 1674 -1.06 1673 0.27 1672 -0.59 1671 -0.34 1670 -0.28 1669 0.17 1668 0.17 1667 0.05 1666 -0.55 1665 0.39 1664 0.12 1663 -0.32 1662 -1.11 1661 -0.81 1660 -0.79 1659 -0.16 1658 0.33 1657 -0.25 1656 -0.03 1655 -0.55 1654 -1.24 1653 -0.99 1652 -0.35 1651 -1.16 1650 -0.26 1649 -1.63 1648 -1.53 1647 -1.53 1646 -1.7 1645 -1.07 1644 -1.65 1643 -1.9 1642 -3.86 1641 -1.88 1640 -0.31 1639 -0.69 1638 -1.18 1637 0.27 1636 -1.29 1635 -0.02 1634 -2.28 1633 -1.09 1632 -2.08 1631 -1.58 1630 -0.63 1629 -1.22 1628 -3.06 1627 -1.88 1626 -1.44 1625 -1.78 1624 -1.04 1623 -2.12 1622 -2.89 1621 -1.3 1620 -1.79 1619 -1.76 1618 -1.51 1617 -1.49 1616 -2.58 1615 -0.62 1614 -1.92 1613 -0.45 1612 -1.1 1611 -2.07 1610 -1.21 1609 -1.79 1608 -2.13 1607 -0.91 1606 -1.47 1605 -1.57 1604 -2.17 1603 -1.97 1602 -1.48 1601 -3.59 1600 -1.92 1599 -0.05 1598 -0.17 1597 -1.23 1596 -0.35 1595 -0.61 1594 -1.31 1593 -1.56 1592 -1.05 1591 -1.2 1590 0.13 1589 -1.68 1588 -1.96 1587 -0.86 1586 -1.35 1585 -1.87 1584 0.59 1583 0.52 1582 -0.81 1581 -1.39 1580 -0.67 1579 -1.36 1578 -1.08 1577 -0.01 1576 -1.63 1575 -0.32 1574 -1.55 1573 -0.59 1572 -1.62 1571 -0.26 1570 -0.73 1569 -1.16 1568 -1.6 1567 0.89 1566 0.67 1565 0.22 1564 -0.45 1563 0.15 1562 -0.29 1561 -0.02 1560 -0.18 1559 -0.72 1558 -0.2 1557 -0.79 1556 0.33 1555 0.24 1554 0.45 1553 0.44 1552 0.58 1551 0.44 1550 0.6 1549 -0.46 1548 -1.6 1547 0.36 1546 0.67 1545 0.34 1544 0.32 1543 -1.14 1542 -1.38 1541 -0.58 1540 -0.25 1539 0.66 1538 -0.2 1537 0.58 1536 0.84 1535 -1.28 1534 0.54 1533 -1.83 1532 -0.06 1531 -1.03 1530 0.97 1529 -1.22 1528 0.35 1527 -0.45 1526 0.47 1525 -0.11 1524 -0.12 1523 -0.87 1522 -0.94 1521 0.4 1520 1.06 1519 1.02 1518 0.47 1517 1 1516 0.08 1515 0.39 1514 0.43 1513 1.11 1512 -0.36 1511 0.45 1510 1.09 1509 -0.54 1508 -0.33 1507 0.44 1506 0.62 1505 -0.53 1504 0.97 1503 0.54 1502 -1.53 1501 0.16 1500 -0.88 1499 1.07 1498 1.2 1497 1.21 1496 1.33 1495 -0.65 1494 -0.5 1493 0.38 1492 0.25 1491 0.41 1490 -0.42 1489 0.05 1488 0.86 1487 -1.4 1486 1.25 1485 0.18 1484 0.48 1483 0.32 1482 1.05 1481 -0.4 1480 0.04 1479 1.01 1478 1.54 1477 0.3 1476 0.26 1475 -0.91 1474 -0.57 1473 1.19 1472 0.71 1471 1.22 1470 0.26 1469 0.73 1468 0.39 1467 0.54 1466 -0.47 1465 0.77 1464 0.68 1463 0.49 1462 0.44 1461 1.07 1460 0.23 1459 -0.66 1458 -0.51 1457 -0.72 1456 -0.39 1455 -1.51 1454 -0.25 1453 -2.51 1452 0.08 1451 0.04 1450 0.35 1449 -0.83 1448 -0.58 1447 -0.17 1446 -0.04 1445 0.87 1444 0.17 1443 1.21 1442 0.71 1441 0.92 1440 -0.86 1439 0.96 1438 -0.19 1437 0.57 1436 0.04 1435 -0.84 1434 1.32 1433 -0.53 1432 0.36 1431 1.01 1430 0.78 1429 0.63 1428 0.39 1427 0.63 1426 -0.53 1425 0.86 1424 0.7 1423 0.44 1422 -0.16 1421 -0.31 1420 0 1419 -0.18 1418 0.74 1417 0.91 1416 -0.12 1415 -0.21 1414 -0.87 1413 1.16 1412 0.49 1411 1.07 1410 0.92 1409 0.43 1408 0.87 1407 1.3 1406 0.99 1405 -0.73 1404 0.25 1403 -0.64 1402 0.09 1401 0.13 1400 0.67