# northamerica_usa_or059 - Calimus Butte - Breitenmoser Tree Ring Chronology Data #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # # Online_Resource: # # Original_Source_URL: # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Tree Rings #-------------------- # Contribution_Date # Date: 2016-01-07 #-------------------- # Title # Study_Name: northamerica_usa_or059 - Calimus Butte - Breitenmoser Tree Ring Chronology Data #-------------------- # Investigators # Investigators: Breitenmoser, P.; Bronnimann, S.; Frank, D. #-------------------- # Description_and_Notes # Description: Data from Breitenmoser 2014 Journal of past Climate supplementary, see publication for ARSTAN standardization details #-------------------- # Publication # Authors: Breitenmoser, P.; Bronnimann, S.; Frank, D. # Published_Date_or_Year: 2014-03-11 # Published_Title: Forward modelling of tree-ring width and comparison with a global network of tree-ring chronologies # Journal_Name: Climate of the Past # Volume: 10 # Edition: # Issue: # Pages: 437-449 # DOI: 10.5194/cp-10-437-2014 # Online_Resource: www.clim-past.net/10/437/2014/ # Full_Citation: # Abstract: We investigate relationships between climate and tree-ring data on a global scale using the process-based Vaganov–Shashkin Lite (VSL) forward model of tree-ring width formation. The VSL model requires as inputs only latitude, monthly mean temperature, and monthly accumulated precipitation. Hence, this simple, process-based model enables ring-width simulation at any location where monthly climate records exist. In this study, we analyse the growth response of simulated tree rings to monthly climate conditions obtained from the CRU TS3.1 data set back to 1901. Our key aims are (a) to assess the VSL model performance by examining the relations between simulated and observed growth at 2287 globally distributed sites, (b) indentify optimal growth parameters found during the model calibration, and (c) to evaluate the potential of the VSL model as an observation operator for data-assimilation-based reconstructions of climate from tree-ring width. The assessment of the growth-onset threshold temperature of approximately 4–6 C for most sites and species using a Bayesian estimation approach complements other studies on the lower temperature limits where plant growth may be sustained. Our results suggest that the VSL model skilfully simulates site level treering series in response to climate forcing for a wide range of environmental conditions and species. Spatial aggregation of the tree-ring chronologies to reduce non-climatic noise at the site level yielded notable improvements in the coherence between modelled and actual growth. The resulting distinct and coherent patterns of significant relationships between the aggregated and simulated series further demonstrate the VSL model’s ability to skilfully capture the climatic signal contained in tree-ring series. Finally, we propose that the VSL model can be used as an observation operator in data assimilation approaches to reconstruct past climate. #-------------------- # Funding_Agency # Funding_Agency_Name: Swiss National Science Foundation # Grant: #-------------------- # Site_Information # Site_Name: Calimus Butte # Location: # Country: United States # Northernmost_Latitude: 42.63 # Southernmost_Latitude: 42.63 # Easternmost_Longitude: -121.53 # Westernmost_Longitude: -121.53 # Elevation: 2020 m #-------------------- # Data_Collection # Collection_Name: northamerica_usa_or059B # Earliest_Year: 1733 # Most_Recent_Year: 1995 # Time_Unit: y_ad # Core_Length: # Notes: {"sensitivity":"moisture"}{"T1":"5.35353328353"}{"T2":"17.1331388532"}{"M1":"0.0224011417366"}{"M2":"0.427087641345"} #-------------------- # Species # Species_Name: ponderosa pine # Species_Code: PIPO #-------------------- # Chronology: # # # #-------------------- # Variables # # Data variables follow that are preceded by ## in columns one and two. # Data line variables format: Variables list, one per line, shortname-tab-longname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) # ##age age, , ,years AD, , , , ,N ##trsgi tree ring standardized growth index, tree ring, ,percent relative to mean growth, , Tree Rings, , ,N # #-------------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Values: nan # age trsgi 1733 1.123 1734 1.101 1735 1.443 1736 1.176 1737 1.057 1738 1.277 1739 0.993 1740 0.979 1741 1.043 1742 0.795 1743 0.439 1744 0.243 1745 0.49 1746 0.722 1747 0.824 1748 0.937 1749 0.891 1750 1.07 1751 1.072 1752 0.943 1753 0.665 1754 0.709 1755 0.698 1756 0.628 1757 0.665 1758 0.751 1759 0.805 1760 0.921 1761 0.978 1762 0.999 1763 0.861 1764 0.929 1765 1.026 1766 1.015 1767 0.991 1768 1.048 1769 0.946 1770 1.01 1771 1.027 1772 1.089 1773 1.119 1774 0.94 1775 0.943 1776 1.167 1777 1.103 1778 0.894 1779 0.763 1780 0.898 1781 0.995 1782 0.964 1783 1.047 1784 1.266 1785 1.121 1786 1.309 1787 1.139 1788 1.111 1789 1.368 1790 1.179 1791 1.767 1792 1.388 1793 1.477 1794 1.554 1795 1.362 1796 1.211 1797 1.217 1798 1.5 1799 1.357 1800 1.246 1801 0.579 1802 0.079 1803 0.239 1804 0.641 1805 0.757 1806 0.722 1807 0.778 1808 0.904 1809 0.993 1810 0.725 1811 0.839 1812 1.313 1813 1.149 1814 1.44 1815 1.259 1816 0.98 1817 0.917 1818 1.08 1819 1.005 1820 0.946 1821 0.937 1822 1.143 1823 0.987 1824 1.055 1825 0.826 1826 0.878 1827 0.817 1828 0.899 1829 0.941 1830 0.788 1831 0.85 1832 1.039 1833 0.982 1834 1.207 1835 0.819 1836 0.933 1837 1.217 1838 1.145 1839 1.165 1840 1.017 1841 1.287 1842 0.933 1843 1.047 1844 0.567 1845 0.343 1846 0.591 1847 0.546 1848 0.672 1849 0.597 1850 0.543 1851 0.619 1852 0.77 1853 0.637 1854 0.898 1855 1.034 1856 0.713 1857 0.847 1858 0.785 1859 0.762 1860 1.058 1861 1.077 1862 0.769 1863 0.966 1864 0.795 1865 0.799 1866 1.083 1867 0.996 1868 0.916 1869 1.006 1870 1.02 1871 0.9 1872 0.934 1873 1.012 1874 0.988 1875 1.284 1876 0.861 1877 1.202 1878 1.197 1879 1.042 1880 0.856 1881 1.076 1882 0.899 1883 0.792 1884 0.815 1885 0.953 1886 0.861 1887 0.948 1888 1.126 1889 1.14 1890 0.784 1891 0.888 1892 0.867 1893 0.872 1894 1.078 1895 0.915 1896 0.771 1897 0.851 1898 0.921 1899 0.657 1900 0.889 1901 1.101 1902 0.948 1903 0.927 1904 1.031 1905 0.984 1906 0.996 1907 1.056 1908 1.145 1909 1.053 1910 0.95 1911 0.863 1912 0.956 1913 1.147 1914 0.971 1915 1.034 1916 0.84 1917 0.818 1918 0.823 1919 0.896 1920 0.785 1921 0.863 1922 0.632 1923 0.55 1924 0.452 1925 0.436 1926 0.691 1927 0.454 1928 0.671 1929 0.63 1930 0.686 1931 0.598 1932 0.604 1933 0.648 1934 0.858 1935 0.655 1936 0.837 1937 0.959 1938 1.027 1939 0.998 1940 0.981 1941 0.938 1942 1.067 1943 0.877 1944 1.049 1945 0.853 1946 1.127 1947 1.189 1948 1.071 1949 1.015 1950 1.167 1951 1.232 1952 0.927 1953 0.945 1954 1.193 1955 1.59 1956 1.268 1957 1.254 1958 1.227 1959 1.424 1960 1.399 1961 1.128 1962 1.23 1963 1.141 1964 1.317 1965 1.324 1966 1.612 1967 1.077 1968 1.049 1969 1.405 1970 1.105 1971 0.842 1972 0.964 1973 0.981 1974 0.889 1975 0.958 1976 1.147 1977 1.17 1978 1.028 1979 1.215 1980 1.403 1981 1.291 1982 1.134 1983 1.324 1984 1.23 1985 1.151 1986 1.104 1987 0.939 1988 1.089 1989 1.005 1990 1.304 1991 0.867 1992 0.757 1993 0.841 1994 0.962 1995 0.756