Davos GR Sertig, Switzerland - SWIT179 Additional information Christof Bigler Purpose of Collection: Ecology - Master chronology for study on tree mortality processes Detrend method: Negative exponential or linear regression of any slope, Smoothing spline with 67 cutoff Cores are stored at: ETH Tree-Ring Laboratory Forest Ecology Institute of Terrestrial Ecosystems ETH Zurich CHN G 63 CH-8092 Zurich Switzerland Site: North-east facing aspects, elevation 1600 - 2000 m COFECHA output: Chronology file name : SWIT179.CRN Measurement file name : SWIT179.RWL Date checked : 02OCT06 Checked by : B. Bauer Beginning year : 1733 Ending year : 2005 Principal investigators: Christof Bigler Site name : Davos GR Sertig Site location : Switzerland Species information : PCAB NORWAY SPRUCE Latitude : 4646 Longitude : 00949 Elevation : 1800M Series intercorrelation: 0.538 Avg mean sensitivity : 0.155 Avg standard deviation : 0.474 Avg autocorrelation : 0.766 Number dated series : 19 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 2.50 PART 5: CORRELATION OF SERIES BY SEGMENTS: Davos GR Sertig 16:42 Mon 02 Oct 2006 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1775 1800 1825 1850 1875 1900 1925 1950 1975 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DS.L02.2 1882 2005 .64 .61 .44 .62 .58 2 DS.L04.2 1785 2005 .30A .49 .49 .54 .64 .57 .50 .50 .48 3 DS.L06.2 1781 2005 .49 .50 .59 .56 .70 .65 .44 .47 .48 4 DS.L08.2 1910 2005 .34 .37 .68 .69 5 DS.L10.2 1847 2005 .50 .51 .76 .79 .68 .66 .64 6 DS.L12.2 1918 2005 .64 .60 .61 .69 7 DS.L14.2 1733 2005 .57 .65 .51 .45 .40 .41 .54 .67 .68 8 DS.L16.2 1908 2005 .59 .57 .59 .59 9 DS.L18.2 1859 2005 .38 .57 .67 .59 .56 .52 10 DS.L20.2 1867 2005 .69 .66 .76 .66 .56 .58 11 DS.L03.2 1790 2005 .54 .57 .48 .43 .53 .73 .58 .46 .48 12 DS.L05.2 1781 2005 .58 .68 .63 .65 .67 .61 .51 .58 .58 13 DS.L07.2 1891 2005 .47 .64 .50 .46 .49 14 DS.L09.2 1892 2005 .57 .64 .53 .49 .50 15 DS.L11.2 1869 2005 .40 .41 .55 .57 .48 .52 16 DS.L13.2 1905 2005 .34 .58 .55 .57 17 DS.L15.2 1886 2005 .62 .71 .72 .61 .65 18 DS.L19.2 1808 2005 .47 .32A .19B .36 .56 .62 .47 .50 19 DS.L21.2 1860 2005 .37 .57 .55 .38 .34 .35 Av segment correlation .50 .56 .50 .47 .57 .60 .55 .55 .56 PART 7: DESCRIPTIVE STATISTICS: Davos GR Sertig 16:42 Mon 02 Oct 2006 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 DS.L02.2 1882 2005 124 5 0 .550 1.92 2.84 .415 .520 .161 2.69 .498 -.053 1 2 DS.L04.2 1785 2005 221 9 1 .493 .81 1.74 .292 .841 .154 2.54 .378 -.018 2 3 DS.L06.2 1781 2005 225 9 0 .544 1.09 2.30 .415 .817 .176 2.52 .414 -.016 1 4 DS.L08.2 1910 2005 96 4 0 .497 1.99 2.79 .389 .676 .129 2.46 .455 -.023 1 5 DS.L10.2 1847 2005 159 7 0 .666 1.70 2.87 .467 .740 .158 2.47 .326 .039 1 6 DS.L12.2 1918 2005 88 4 0 .648 2.79 4.29 .626 .670 .141 2.73 .443 -.030 1 7 DS.L14.2 1733 2005 273 9 0 .511 .96 2.15 .309 .822 .153 2.40 .289 -.030 1 8 DS.L16.2 1908 2005 98 4 0 .574 1.87 3.30 .517 .772 .153 2.41 .384 -.093 1 9 DS.L18.2 1859 2005 147 6 0 .558 2.43 4.39 .727 .812 .141 2.58 .379 -.020 1 10 DS.L20.2 1867 2005 139 6 0 .650 1.90 4.23 .785 .893 .150 2.59 .426 .004 1 11 DS.L03.2 1790 2005 216 9 0 .531 1.08 2.30 .309 .655 .182 2.63 .309 -.015 1 12 DS.L05.2 1781 2005 225 9 0 .592 1.13 2.58 .350 .661 .177 2.55 .288 -.051 1 13 DS.L07.2 1891 2005 115 5 0 .547 1.67 3.33 .562 .800 .158 2.55 .460 .014 1 14 DS.L09.2 1892 2005 114 5 0 .526 1.90 4.30 .788 .867 .148 2.63 .439 -.018 1 15 DS.L11.2 1869 2005 137 6 0 .454 1.73 4.03 .984 .932 .148 2.55 .432 -.017 2 16 DS.L13.2 1905 2005 101 4 0 .427 1.65 2.70 .421 .698 .161 2.83 .585 .130 2 17 DS.L15.2 1886 2005 120 5 0 .674 2.12 3.68 .515 .686 .149 2.53 .427 -.029 1 18 DS.L19.2 1808 2005 198 8 2 .431 1.20 2.59 .351 .839 .133 2.58 .340 .003 1 19 DS.L21.2 1860 2005 146 6 0 .410 1.89 2.93 .412 .734 .123 2.93 .541 -.008 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2942 120 3 .538 1.53 4.39 .474 .766 .155 2.93 .392 -.014