# Sauchyn - Kuskula Creek - PCMA - ITRDB CANA341 #---------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #---------------------------------------------------- # Template Version 4.0 # Encoding: UTF-8 # NOTE: Please cite original publication, NOAA Landing Page URL, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, study title, NOAA Landing Page URL, and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # NOAA_Landing_Page: https://www.ncei.noaa.gov/access/paleo-search/study/13773 # Landing_Page_Description: NOAA Landing Page of this file's parent study, which includes all study metadata. # # Study_Level_JSON_Metadata: https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/json/noaa-tree-13773.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Tree Ring # # Dataset_DOI: # # Science_Keywords: hydrology #-------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/canada/cana341a-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; cana341a-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/canada/cana341a.crn # Related_Online_Description: CRN File; Chronology - Tucson Decadal File # #-------------------- # Contribution_Date # Date: 2012-12-21 #-------------------- # File_Last_Modified_Date # Date: 2012-12-21 #-------------------- # Title # Study_Name: Sauchyn - Kuskula Creek - PCMA - ITRDB CANA341 #-------------------- # Investigators # Investigators: Sauchyn, D.J. #-------------------- # Description_Notes_and_Keywords # Description: NOAA Template Raw Measurements file added 2019-02-04. #-------------------- # Publication # Authors: # Journal_Name: Quaternary Science Reviews # Published_Title: Reconstruction of climate and glacial history based on a comparison of varve and tree-ring records from Mirror Lake, Northwest Territories, Canada # Published_Date_or_Year: 2008 # Volume: # Pages: # Issue: # Report_Number: # DOI: 10.1016/j.quascirev.2008.04.012 # Full_Citation: Tomkins, J.D., S.F. Lamoureux, and D.J. Sauchyn. 2008. Reconstruction of climate and glacial history based on a comparison of varve and tree-ring records from Mirror Lake, Northwest Territories, Canada. Quaternary Science Reviews, Vol. 27, Issues 13–14, July 2008, pp. 1426–1441. DOI: 10.1016/j.quascirev.2008.04.012 # Abstract: This study compared the hydroclimatic signals recorded in annually laminated (varved) sediments and tree rings within a small study area in the Selwyn Mountains of the southwestern Northwest Territories/southeastern Yukon Territory border region of Canada. The records were located immediately adjacent to each other and within 6 km of instrumental meteorological and hydrometric records, which permitted a detailed analysis of climate in the area from AD 1704 to 1996. This study explored the challenges of annually-resolved multi-proxy hydroclimate analyses and examined how best to interpret the climate record given the differences in proxy formation and the respective signals. The high-frequency (annual) variability from both proxies showed a good match for some parts of the record (e.g., mid-1700s and much of the 1900s) but revealed different sensitivities at other times (e.g., 1800s). However, both records contained a common low-frequency (decadal) summer climate signal. Glacier dynamics influenced varve formation through altered sediment availability during the inferred Little Ice Age (LIA) maximum ice stand in the catchment from AD 1778 to 1892 and subsequent recession after this maximum. As a result of reduced LIA sedimentation, July mean temperatures reconstructed from varve thickness during the 1800s were underestimated compared to the tree-ring estimates. Other instances of low-frequency divergence were apparent, particularly during parts of the twentieth century, despite the overall similarities. The extended varve record also provided a glacial history for the southern Selwyn Mountains, indicating probable glacier advances during AD 1300-1450 and AD 1600-1670, maximum ice stand during the 1800s, followed by twentieth-century recession. #-------------------- # Funding_Agency # Funding_Agency_Name: # Grant: #-------------------- # Site_Information # Site_Name: Kuskula Creek # Location: Northwest Territories # Northernmost_Latitude: 62.0333 # Southernmost_Latitude: 62.0333 # Easternmost_Longitude: -128.2667 # Westernmost_Longitude: -128.2667 # Elevation_m: 1200 #-------------------- # Data_Collection # Collection_Name: CANA341 # First_Year: 1666 # Last_Year: 2001 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: ring width # Notes: #-------------------- # Species # Species_Name: Picea mariana (Mill.) Britton, Sterns, & Poggenb. # Common_Name: black spruce # Tree_Species_Code: PCMA #-------------------- # Variables # # PaST_Thesaurus_Download_Resource: https://www.ncei.noaa.gov/access/paleo-search/skos/past-thesaurus.rdf # PaST_Thesaurus_Download_Description: Paleoenvironmental Standard Terms (PaST) Thesaurus terms, definitions, and relationships in SKOS format. # # Data variables follow that are preceded by '##' in columns one and two. # Variables format: shortname-tab-var components: what, material, error, units, seasonality, data type, detail, method, C or N for Character or Numeric data) # ## age_CE age,,,year Common Era,,tree ring,,,N, ## trsgi tree ring standardized growth index,,,,,tree ring,composited,standard chronology method,N, ## numsamp number of samples,,,count,,tree ring,,,N, #--------------------- # Data: # Missing_Values: NA age_CE trsgi numsamp 1666 1.096 1 1667 1.155 1 1668 1.557 1 1669 1.44 1 1670 1.95 1 1671 2.312 1 1672 2.325 1 1673 2.228 1 1674 1.109 1 1675 1.793 1 1676 2.04 1 1677 1.336 1 1678 1.187 1 1679 1.427 1 1680 1.575 1 1681 2.305 1 1682 1.699 1 1683 1.505 1 1684 1.33 1 1685 1.577 2 1686 1.03 2 1687 1.195 2 1688 1.242 2 1689 1.416 2 1690 0.945 2 1691 1.15 2 1692 1.04 2 1693 1.239 2 1694 1.024 2 1695 0.899 2 1696 0.999 2 1697 0.935 2 1698 0.958 2 1699 0.929 2 1700 0.69 2 1701 0.779 2 1702 0.807 2 1703 0.746 2 1704 0.753 2 1705 0.699 2 1706 0.899 2 1707 0.848 2 1708 0.928 2 1709 0.632 2 1710 0.806 2 1711 0.798 2 1712 0.778 2 1713 1.061 2 1714 0.785 2 1715 1.09 2 1716 1.024 2 1717 0.953 2 1718 1.047 2 1719 1.084 2 1720 0.866 2 1721 0.865 2 1722 1.159 2 1723 0.847 3 1724 1.309 3 1725 1.092 3 1726 1.073 3 1727 1.165 3 1728 1.031 4 1729 1.088 4 1730 1.074 4 1731 0.969 4 1732 0.845 4 1733 0.99 4 1734 1.082 4 1735 0.71 4 1736 1.012 4 1737 1.019 4 1738 0.809 4 1739 1.113 4 1740 0.983 4 1741 0.983 4 1742 1.024 4 1743 0.742 4 1744 0.711 4 1745 0.996 4 1746 0.912 4 1747 1.078 4 1748 1.149 4 1749 1.106 4 1750 1.172 4 1751 1.017 4 1752 1.062 4 1753 0.89 4 1754 1.237 4 1755 0.863 4 1756 0.911 4 1757 0.878 5 1758 1.046 5 1759 0.845 5 1760 1.015 5 1761 1.2 5 1762 0.953 5 1763 1.164 5 1764 1.034 5 1765 1.061 5 1766 1.204 5 1767 1.214 5 1768 1.09 6 1769 0.777 6 1770 1.074 6 1771 1.042 6 1772 1.131 6 1773 1.004 6 1774 1.298 6 1775 1.426 6 1776 1.233 6 1777 1.304 6 1778 1.253 6 1779 1.189 6 1780 1.175 6 1781 1.345 6 1782 0.973 6 1783 0.94 6 1784 1.059 6 1785 1.116 6 1786 0.969 6 1787 1.046 6 1788 1.021 6 1789 1.001 6 1790 0.82 6 1791 0.792 6 1792 0.849 6 1793 0.931 6 1794 0.659 6 1795 0.898 6 1796 0.969 6 1797 0.82 6 1798 0.88 6 1799 0.866 6 1800 0.917 6 1801 0.99 6 1802 0.831 6 1803 0.821 6 1804 1.042 6 1805 0.877 6 1806 1.055 6 1807 0.904 6 1808 1.059 6 1809 1.018 6 1810 0.873 6 1811 0.948 6 1812 0.789 6 1813 0.96 6 1814 0.694 6 1815 0.746 6 1816 0.973 6 1817 0.845 6 1818 1.058 6 1819 0.919 6 1820 1.151 6 1821 0.943 6 1822 0.97 6 1823 0.955 6 1824 0.915 6 1825 0.802 6 1826 0.842 6 1827 0.72 6 1828 0.799 6 1829 0.794 6 1830 0.796 6 1831 0.907 6 1832 0.962 6 1833 0.925 6 1834 0.939 6 1835 0.835 6 1836 0.849 6 1837 0.946 6 1838 1.052 6 1839 0.899 6 1840 0.796 6 1841 0.881 6 1842 0.816 6 1843 0.768 6 1844 0.822 6 1845 0.869 6 1846 0.851 6 1847 0.888 6 1848 1.159 6 1849 0.753 6 1850 0.88 6 1851 0.91 6 1852 1.003 6 1853 0.905 6 1854 1.04 6 1855 1.061 6 1856 0.888 6 1857 0.943 6 1858 0.964 6 1859 0.869 7 1860 0.972 7 1861 1.109 8 1862 0.938 8 1863 0.973 8 1864 1.046 9 1865 0.985 9 1866 0.955 9 1867 0.908 9 1868 1.06 9 1869 0.807 9 1870 0.91 9 1871 0.958 9 1872 0.838 9 1873 0.908 9 1874 1.012 10 1875 0.989 10 1876 0.922 12 1877 0.745 12 1878 0.803 12 1879 0.998 12 1880 0.932 12 1881 0.894 12 1882 0.918 12 1883 0.88 12 1884 0.933 12 1885 1.015 12 1886 1.112 14 1887 0.797 14 1888 1.124 14 1889 0.987 14 1890 1.055 14 1891 1.116 14 1892 0.922 15 1893 0.909 15 1894 0.999 15 1895 0.891 15 1896 0.851 15 1897 1.037 15 1898 0.837 15 1899 0.93 15 1900 0.866 15 1901 0.897 15 1902 0.857 15 1903 0.921 16 1904 0.757 17 1905 1.08 17 1906 0.877 17 1907 1 17 1908 0.978 17 1909 1.014 18 1910 0.881 18 1911 0.975 19 1912 0.893 19 1913 0.992 19 1914 0.927 19 1915 0.907 19 1916 0.898 19 1917 0.918 19 1918 1.058 19 1919 0.764 19 1920 0.892 19 1921 0.864 19 1922 0.927 19 1923 0.908 19 1924 0.726 19 1925 0.89 19 1926 0.922 19 1927 0.992 19 1928 0.855 19 1929 0.937 19 1930 1.075 19 1931 0.869 19 1932 1.001 19 1933 0.981 19 1934 1.087 19 1935 1.068 19 1936 1.252 19 1937 0.994 19 1938 1.105 19 1939 1.192 19 1940 0.897 19 1941 1.127 19 1942 1.161 19 1943 1.174 19 1944 1.12 19 1945 1.23 19 1946 1.534 19 1947 1.157 19 1948 1.262 19 1949 0.98 19 1950 1.303 19 1951 0.983 19 1952 1.068 19 1953 1.022 19 1954 1.21 19 1955 0.998 19 1956 1.195 19 1957 1.17 19 1958 1.085 19 1959 0.978 19 1960 0.877 19 1961 1.079 19 1962 0.91 19 1963 0.919 19 1964 1.032 19 1965 0.975 19 1966 1.001 19 1967 0.962 19 1968 1.068 19 1969 1.043 19 1970 0.93 19 1971 1.073 19 1972 0.932 19 1973 0.86 19 1974 0.91 19 1975 0.996 19 1976 0.728 19 1977 0.769 19 1978 0.962 19 1979 1.031 19 1980 0.763 19 1981 0.856 19 1982 1.143 19 1983 0.761 19 1984 0.734 19 1985 1.031 19 1986 0.871 19 1987 0.774 19 1988 0.785 19 1989 1.12 19 1990 0.641 19 1991 0.899 19 1992 0.898 19 1993 0.955 19 1994 0.891 19 1995 1.022 19 1996 0.922 19 1997 0.954 18 1998 0.918 18 1999 0.848 18 2000 0.98 18 2001 0.831 18