Vals GR Riefawald (Larix) - SWIT192 Additional information Christof Bigler and Kathrin Kühne Purpose of Collection: Climatology. Analyses on relationships between tree growth and climate (precipitation, temperature) Detrend method: 1st: Negative exponential or linear regression of any slope 2nd: ARSTAN: smoothing spline with 50% cutoff Cores are stored at: ETH Tree-Ring Laboratory Forest Ecology Institute of Terrestrial Ecosystems ETH Zurich CHN G 61 CH-8092 Zurich Switzerland Reference: Kühne, K. 2010. Einfluss der Klimavariabilität auf das Wachstum von Lärchen und Fichten im Gebirgswald in Vals. Semesterarbeit. ETH Zürich, Zürich. Notes: Site: North-west facing aspect, elevation 1800 - 2000 m (subalpine forest) COFECHA output: Chronology file name : SWIT192.CRN Measurement file name : SWIT192.RWL Date checked : 04JAN10 Checked by : B. Bauer Beginning year : 1602 Ending year : 2008 Principal investigators: Christof Bigler Kathrin Kühne Site name : Vals GR Riefawald Site location : Switzerland Species information : LADE EUROPEAN LARCH Latitude : 4637 Longitude : 00912 Elevation : 1900M Series intercorrelation: 0.710 Avg mean sensitivity : 0.372 Avg standard deviation : 0.372 Avg autocorrelation : 0.624 Number dated series : 18 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 2.30 PART 5: CORRELATION OF SERIES BY SEGMENTS: Vals GR Riefawald 11:52 Mon 04 Jan 2010 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 VRL01 1772 2008 .45 .50 .59 .77 .81 .88 .84 .80 .84 .77 2 VRL02 1788 2008 .72 .76 .77 .82 .84 .81 .81 .80 .78 3 VRL03 1770 2008 .49 .39 .14B .14B .47 .71 .77 .84 .78 .72 4 VRL04 1781 2008 .73 .82 .76 .78 .81 .80 .76 .68 .58 5 VRL05 1794 2008 .80 .79 .73 .71 .79 .75 .71 .64 .57 6 VRL06 1750 2008 .81 .88 .87 .82 .81 .85 .82 .80 .79 .81 7 VRL07 1844 2008 .76 .79 .87 .90 .90 .87 .84 8 VRL08 1602 2008 .77 .75 .61 .69 .86 .58 .58 .89 .72 .72 .86 .83 .75 .73 9 VRL09 1800 2008 .61 .58 .52 .77 .81 .80 .60 .57 10 VRL10 1775 2008 .31A .67 .69 .64 .75 .47 .45 .80 .77 11 VRL11 1748 2008 .54 .58 .71 .89 .89 .80 .79 .77 .76 .78 .68 12 VRL12 1750 2008 .56 .64 .78 .73 .75 .78 .82 .85 .70 .61 13 VRL13 1725 2008 .55 .80 .77 .86 .75 .73 .81 .79 .84 .87 .83 14 VRL15 1800 2008 .49 .79 .82 .79 .79 .85 .74 .67 15 VRL16 1800 2008 .50 .39 .35 .84 .83 .80 .62 .52 16 VRL17 1825 2008 .25A .55 .76 .79 .77 .70 .69 17 VRL18 1668 2008 .77 .75 .66 .74 .83 .83 .78 .63 .62 .76 .84 .86 .83 .81 18 VRL20 1751 2008 .83 .88 .83 .80 .83 .86 .84 .79 .64 .55 Av segment correlation .77 .75 .64 .63 .69 .67 .68 .67 .70 .80 .79 .79 .75 .69 PART 7: DESCRIPTIVE STATISTICS: Vals GR Riefawald 11:52 Mon 04 Jan 2010 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 VRL01 1772 2008 237 10 0 .747 .91 2.86 .478 .685 .344 3.04 .519 -.042 2 2 VRL02 1788 2008 221 9 0 .793 1.12 4.62 .711 .820 .286 2.78 .404 -.062 2 3 VRL03 1770 2008 239 10 2 .551 .74 1.88 .364 .686 .330 2.55 .360 -.012 1 4 VRL04 1781 2008 228 9 0 .750 1.04 2.74 .622 .818 .281 2.57 .329 -.024 1 5 VRL05 1794 2008 215 9 0 .712 1.41 3.77 .607 .609 .296 2.74 .408 -.035 1 6 VRL06 1750 2008 259 10 0 .807 .61 1.78 .246 .337 .392 2.67 .302 -.039 1 7 VRL07 1844 2008 165 7 0 .831 .74 1.71 .333 .683 .312 2.66 .457 -.031 1 8 VRL08 1602 2008 407 14 0 .731 .52 1.34 .289 .683 .355 2.70 .360 -.047 1 9 VRL09 1800 2008 209 8 0 .626 .48 1.77 .282 .522 .463 2.54 .311 -.044 1 10 VRL10 1775 2008 234 9 1 .591 .40 1.08 .197 .511 .423 2.56 .323 -.004 1 11 VRL11 1748 2008 261 11 0 .733 1.12 3.04 .477 .517 .331 2.88 .389 -.056 1 12 VRL12 1750 2008 259 10 0 .709 .65 3.33 .489 .849 .281 2.81 .436 -.080 1 13 VRL13 1725 2008 284 11 0 .745 .52 1.37 .254 .652 .351 2.62 .320 -.002 1 14 VRL15 1800 2008 209 8 0 .709 .51 2.34 .390 .720 .508 2.68 .453 -.031 1 15 VRL16 1800 2008 209 8 0 .554 .37 .86 .186 .226 .551 2.52 .350 -.021 1 16 VRL17 1825 2008 184 7 1 .607 .28 1.08 .164 .649 .427 2.63 .380 -.024 1 17 VRL18 1668 2008 341 14 0 .750 .51 1.84 .299 .579 .433 2.52 .351 -.036 1 18 VRL20 1751 2008 258 10 0 .782 .80 2.13 .384 .658 .361 2.65 .462 -.023 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4419 174 4 .710 .70 4.62 .372 .624 .372 3.04 .381 -.035