Warm Season Arctic Oscillation Reconstructions --------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program --------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCES WHEN USING THIS DATA!!!!! CONTRIBUTOR: Rosanne D'Arrigo, LDEO-Columbia University NAME OF DATA SET: Warm Season Arctic Oscillation Reconstructions IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2003-045. SUGGESTED DATA CITATION: D’Arrigo, R.D., et al., 2003, Warm Season Arctic Oscillation Reconstructions. International Tree-Ring Data Bank. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2003-045. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: D’Arrigo, R.D., E.R. Cook, M.E. Mann, and G.C. Jacoby, 2003, Tree-ring reconstructions of temperature and sea-level pressure variability associated with the warm-season Arctic Oscillation since AD 1650, Geophysical Research Letters, Vol. 30, No. 11, 1549, doi:10.1029/2003GL017250. LAST UPDATE: 7/2003 (Original receipt by WDC-A Paleo) GEOGRAPHIC REGION: Arctic and North Atlantic PERIOD OF RECORD: 1650-1975 AD DESCRIPTION: Reconstruction of warm season Arctic Oscillation (AO) Surface Air Temperature (SAT) index for AD 1650–1975, and Summer (June-July-August) AO Sea Level Pressure (SLP) index based on a network of tree ring chronologies from circumpolar-Arctic and circum-North Atlantic areas. DATA: 1. Warm Season Arctic Oscillation Surface Air Temperature Index Reconstruction YEAR AO SAT RECONSTRUCTION 1650 -0.0506 1651 -0.0733 1652 -0.0874 1653 -0.0368 1654 -0.071 1655 -0.0326 1656 -0.0665 1657 -0.0239 1658 -0.0466 1659 -0.0704 1660 -0.0784 1661 -0.0587 1662 -0.0539 1663 -0.0782 1664 -0.0792 1665 -0.0547 1666 -0.0517 1667 -0.0684 1668 -0.1059 1669 -0.044 1670 0.0329 1671 -0.0597 1672 -0.0461 1673 -0.0691 1674 -0.0954 1675 -0.0833 1676 -0.1419 1677 -0.1274 1678 -0.1263 1679 -0.0833 1680 -0.1089 1681 -0.0557 1682 -0.0785 1683 -0.0702 1684 -0.0331 1685 -0.0734 1686 -0.0986 1687 -0.0212 1688 -0.1101 1689 -0.0064 1690 0.0834 1691 0.0463 1692 -0.0076 1693 -0.0193 1694 -0.0242 1695 -0.1382 1696 -0.11 1697 -0.0843 1698 -0.0641 1699 -0.0403 1700 -0.0293 1701 -0.07 1702 -0.0775 1703 -0.0865 1704 -0.0443 1705 -0.0655 1706 -0.0863 1707 -0.0744 1708 -0.1112 1709 -0.0207 1710 0.0688 1711 0.021 1712 0.022 1713 0.0448 1714 0.0032 1715 -0.0043 1716 -0.0719 1717 -0.0397 1718 -0.0994 1719 -0.0518 1720 -0.0123 1721 -0.0815 1722 -0.0495 1723 0.0065 1724 0.0904 1725 0.0931 1726 0.0036 1727 -0.0401 1728 -0.1239 1729 -0.0585 1730 -0.0158 1731 0.0041 1732 -0.0694 1733 0.0244 1734 0.1046 1735 0.0404 1736 0.032 1737 -0.0315 1738 -0.0505 1739 -0.0481 1740 -0.068 1741 -0.0394 1742 0.0194 1743 0.0101 1744 -0.0031 1745 -0.0563 1746 -0.0849 1747 -0.0454 1748 -0.0278 1749 -0.0176 1750 -0.1418 1751 -0.1635 1752 0.0043 1753 0.0133 1754 -0.0422 1755 -0.0499 1756 -0.1172 1757 -0.0419 1758 -0.1858 1759 -0.0747 1760 -0.0412 1761 -0.0464 1762 0.0356 1763 -0.0469 1764 -0.0883 1765 -0.0106 1766 0.0285 1767 0.0736 1768 -0.0182 1769 -0.0661 1770 -0.0447 1771 -0.1118 1772 -0.0506 1773 -0.0238 1774 0.0007 1775 -0.0274 1776 -0.0341 1777 -0.0253 1778 -0.0113 1779 0.0479 1780 0.0031 1781 -0.0423 1782 -0.1133 1783 -0.0321 1784 -0.0214 1785 0.0038 1786 -0.0288 1787 -0.045 1788 -0.1181 1789 -0.0274 1790 -0.0823 1791 -0.0744 1792 -0.0765 1793 -0.013 1794 -0.0288 1795 -0.1473 1796 -0.1704 1797 -0.1022 1798 -0.0655 1799 -0.0335 1800 -0.0275 1801 0.0215 1802 -0.0896 1803 -0.0223 1804 -0.013 1805 -0.0769 1806 -0.0127 1807 -0.0553 1808 0.0193 1809 0.0688 1810 0.0117 1811 -0.021 1812 -0.0886 1813 -0.1122 1814 -0.0721 1815 -0.0265 1816 -0.0858 1817 -0.0534 1818 -0.03 1819 -0.0188 1820 -0.0696 1821 -0.0483 1822 -0.0066 1823 -0.0339 1824 -0.0963 1825 -0.0674 1826 -0.0441 1827 -0.0772 1828 -0.0887 1829 -0.0953 1830 -0.0482 1831 -0.0551 1832 -0.0901 1833 -0.0842 1834 -0.0755 1835 -0.1275 1836 -0.1761 1837 -0.1566 1838 -0.1097 1839 -0.1432 1840 -0.1511 1841 -0.0891 1842 -0.1545 1843 -0.134 1844 -0.1036 1845 -0.1077 1846 -0.0775 1847 -0.0383 1848 -0.083 1849 -0.1455 1850 -0.0672 1851 -0.1266 1852 -0.0546 1853 -0.121 1854 -0.038 1855 -0.1124 1856 -0.093 1857 -0.0711 1858 -0.0635 1859 -0.0512 1860 -0.0398 1861 -0.0744 1862 -0.0811 1863 -0.0502 1864 -0.044 1865 -0.0544 1866 -0.0857 1867 -0.1094 1868 -0.0327 1869 -0.1184 1870 -0.0449 1871 -0.0297 1872 -0.0579 1873 -0.0145 1874 0.0486 1875 -0.0035 1876 -0.061 1877 -0.1146 1878 -0.0634 1879 -0.083 1880 -0.0099 1881 -0.1162 1882 -0.1029 1883 -0.1203 1884 -0.1036 1885 -0.0951 1886 -0.1257 1887 -0.0472 1888 -0.1278 1889 -0.1857 1890 -0.1176 1891 -0.0878 1892 -0.2113 1893 -0.0955 1894 -0.0723 1895 -0.0568 1896 -0.0525 1897 -0.0875 1898 -0.0458 1899 -0.0726 1900 -0.075 1901 -0.0468 1902 -0.251 1903 -0.2267 1904 -0.1213 1905 -0.0573 1906 -0.0492 1907 -0.1402 1908 -0.1093 1909 -0.0857 1910 -0.0633 1911 -0.0518 1912 -0.1635 1913 -0.0733 1914 -0.0327 1915 -0.1237 1916 -0.0896 1917 -0.0781 1918 -0.0772 1919 -0.0087 1920 0.0465 1921 0.0661 1922 -0.021 1923 -0.039 1924 -0.059 1925 -0.0034 1926 -0.0218 1927 -0.0987 1928 -0.1591 1929 -0.1323 1930 -0.0594 1931 -0.0317 1932 -0.0515 1933 0.034 1934 0.0539 1935 -0.0015 1936 -0.0176 1937 0.0289 1938 0.032 1939 -0.0092 1940 -0.0366 1941 0.0103 1942 -0.0394 1943 0.0594 1944 0.1651 1945 0.0492 1946 0.0466 1947 0.0345 1948 0.0954 1949 0.1122 1950 0.0855 1951 0.0435 1952 -0.004 1953 0.0202 1954 0.0285 1955 0.0002 1956 -0.0721 1957 -0.0128 1958 -0.1373 1959 0.0172 1960 -0.0093 1961 -0.1068 1962 -0.0825 1963 -0.0591 1964 -0.0013 1965 -0.0565 1966 0.0003 1967 0.0157 1968 0.0147 1969 -0.0185 1970 -0.0056 1971 -0.0119 1972 0.0344 1973 0.0277 1974 -0.0284 1975 0.0157 2. Summer (JJA) Arctic Oscillation Sea Level Pressure Index Reconstruction YEAR ao slp reconstruction 1650 -0.5079 1651 -0.7303 1652 -0.5138 1653 -0.6305 1654 -0.5195 1655 -0.4945 1656 -0.0011 1657 -0.7571 1658 -0.5453 1659 -0.3672 1660 -0.4187 1661 -0.238 1662 -0.4505 1663 -0.7496 1664 -0.663 1665 -0.2434 1666 -0.0358 1667 -0.4083 1668 -0.1216 1669 -0.3797 1670 -1.204 1671 -0.1646 1672 -0.8991 1673 -0.6179 1674 -0.3513 1675 -1.0022 1676 -0.646 1677 -0.2074 1678 -0.4709 1679 -1.1207 1680 -1.5522 1681 -0.9314 1682 -0.9304 1683 0.364 1684 -0.4479 1685 -1.268 1686 -0.7393 1687 -0.1717 1688 -0.9608 1689 -0.5307 1690 -0.1265 1691 -0.1923 1692 -0.5377 1693 -0.1735 1694 0.0896 1695 -0.4578 1696 -1.1116 1697 -0.8153 1698 -1.1178 1699 -1.804 1700 -1.0122 1701 -0.1537 1702 -0.4833 1703 -0.6948 1704 -0.7045 1705 -0.6959 1706 -0.6116 1707 -0.3875 1708 -0.8103 1709 -0.6293 1710 -0.1829 1711 -0.4845 1712 -0.6073 1713 -0.0297 1714 -0.8592 1715 -0.2261 1716 -1.0296 1717 0.1458 1718 0.2295 1719 0.5563 1720 0.1877 1721 -0.4901 1722 0.1327 1723 -0.5107 1724 0.0364 1725 0.4466 1726 -0.4006 1727 0.0957 1728 -0.5318 1729 -0.5735 1730 -0.3683 1731 -0.2865 1732 -0.912 1733 0.1908 1734 0.4097 1735 -0.2137 1736 -0.0791 1737 -0.3395 1738 0.0104 1739 -0.1535 1740 -0.4546 1741 -0.6724 1742 -0.5648 1743 -0.4472 1744 -0.1447 1745 -0.974 1746 -0.5488 1747 -0.6187 1748 -0.8917 1749 -0.1205 1750 -0.4759 1751 -0.1925 1752 -0.0663 1753 0.3301 1754 0.0299 1755 -0.0615 1756 0.2678 1757 -0.1798 1758 -0.1573 1759 0.1383 1760 -0.4518 1761 0.0705 1762 0.2198 1763 0.3777 1764 -0.0234 1765 -0.3974 1766 0.2375 1767 0.0086 1768 -0.6488 1769 -0.5294 1770 -0.5562 1771 -0.6008 1772 -0.3569 1773 -0.2065 1774 -0.2211 1775 -0.3977 1776 -0.1129 1777 0.3909 1778 -0.3078 1779 -0.4192 1780 0.1459 1781 -0.0222 1782 0.0993 1783 -0.2828 1784 -0.1327 1785 -0.1231 1786 -0.5383 1787 0.1428 1788 -0.5631 1789 -0.1078 1790 -0.6215 1791 -0.7685 1792 -0.7724 1793 -0.0914 1794 -0.4576 1795 -0.633 1796 -0.3107 1797 0.066 1798 -0.3968 1799 0.3498 1800 -0.663 1801 -0.0936 1802 -0.0094 1803 -0.4127 1804 0.1818 1805 0.0614 1806 -0.1149 1807 -0.0105 1808 0.3183 1809 0.1229 1810 0.1271 1811 -0.4127 1812 -0.4118 1813 -0.8723 1814 -0.5935 1815 -0.4796 1816 -1.3792 1817 -1.0429 1818 -0.2883 1819 -0.217 1820 -0.3304 1821 -0.6304 1822 -0.6396 1823 -0.0612 1824 -0.8714 1825 -0.899 1826 -0.5288 1827 -0.647 1828 -0.2131 1829 -0.3568 1830 0.0763 1831 -0.4082 1832 -1.0638 1833 -0.5724 1834 -0.1116 1835 -1.3835 1836 -1.3479 1837 -0.8946 1838 -0.6711 1839 -1.1193 1840 -1.1792 1841 -0.8909 1842 -0.7887 1843 -0.828 1844 -0.893 1845 -0.8125 1846 -0.2866 1847 -0.3491 1848 -0.5665 1849 -0.8448 1850 -0.1356 1851 -1.3303 1852 -0.3129 1853 -0.6762 1854 -0.6614 1855 -1.279 1856 -0.7652 1857 -0.9911 1858 -0.3145 1859 -0.2479 1860 -0.1543 1861 -0.1591 1862 -0.394 1863 -0.5818 1864 -0.6285 1865 -0.3805 1866 -0.1497 1867 -0.0233 1868 -0.4316 1869 -0.9356 1870 -0.9744 1871 -0.3512 1872 -0.7102 1873 -0.1823 1874 -0.6579 1875 -0.1915 1876 -0.5028 1877 -0.5414 1878 -0.3747 1879 -0.4386 1880 -0.4641 1881 -0.5496 1882 -0.6269 1883 -0.7175 1884 -0.8606 1885 -0.9182 1886 -1.0563 1887 -1.0949 1888 -1.2127 1889 -0.9786 1890 -1.0501 1891 -0.6907 1892 -1.2998 1893 -0.7997 1894 -1.0961 1895 -0.1688 1896 -0.77 1897 -0.653 1898 -0.6099 1899 -0.9554 1900 -0.9247 1901 -0.3873 1902 -1.6362 1903 -1.5802 1904 -1.2729 1905 -0.8482 1906 -1.4452 1907 -1.4659 1908 -0.8197 1909 -0.2321 1910 -0.6824 1911 -0.6644 1912 -1.5488 1913 -0.7648 1914 -1.1707 1915 -0.849 1916 -0.3604 1917 -0.2988 1918 -0.7513 1919 0.064 1920 0.0421 1921 -0.3627 1922 -0.0832 1923 -1.1267 1924 -0.2123 1925 -0.734 1926 -0.2301 1927 -0.5461 1928 -0.6732 1929 -0.8856 1930 0.102 1931 -0.3823 1932 -0.2038 1933 0.3646 1934 0.2581 1935 0.5705 1936 -0.1395 1937 0.6008 1938 0.3215 1939 -0.001 1940 0.1065 1941 0.3109 1942 -0.0135 1943 -0.5301 1944 0.0071 1945 0.605 1946 0.9383 1947 0.1329 1948 0.6387 1949 -0.2812 1950 0.4878 1951 -0.1549 1952 0.0548 1953 0.2422 1954 0.5516 1955 0.1904 1956 -1.1241 1957 -0.2969 1958 -0.9478 1959 0.3266 1960 0.1277 1961 -0.0995 1962 -0.3412 1963 -0.4157 1964 -0.0742 1965 -0.2525 1966 0.0282 1967 -0.1456 1968 -0.5094 1969 -0.2933 1970 0.1828 1971 -0.8867 1972 -0.6271 1973 0.4579 1974 -0.3472 1975 -0.0179