Grass Lake, Sakha Republic, Russia - russ196 Additional Information Andy Bunn, Andrea Lloyd, and Logan Berner Purpose of Collection: The purpose of this collection was to characterize stand-level tree growth patterns for comparison with satellite-derived vegetation indices. Cores and cross-sections are stored at: Western Washington University, Bellingham, Washington, USA. Reference: Berner, L.B. 2010. Evaluation of high-latitude forest growth using satellite-derived vegetation indices. M.S. Thesis, Western Washington University. Available from WWU Masters Thesis Collection: http://content.wwu.edu/u?/theses,343. Notes: Sparse tree cover on Yedoma soils and flat terrain. Understory of dwarf alnus, salix, betula, and ledum spp. Locally, this species is referred to as Larix cajanderi Mayr. The ITRDB uses the synonym Larix gmelinii (Rupr.) Kuzen. COFECHA output: Chronology file name : RUSS196.CRN Measurement file name : RUSS196.RWL Date checked : 30AUG10 Checked by : B. Bauer Beginning year : 1805 Ending year : 2007 Principal investigators: Andy Bunn Andrea Lloyd Logan Berner Site name : Grass Lake Site location : Russia Species information : LAGM DAHURIAN LARCH Latitude : 6845 Longitude : 16123 Elevation : 86M Series intercorrelation: 0.800 Avg mean sensitivity : 0.346 Avg standard deviation : 0.427 Avg autocorrelation : 0.675 Number dated series : 25 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 1.48 PART 5: CORRELATION OF SERIES BY SEGMENTS: Grass Lake 16:43 Mon 30 Aug 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 1800 1825 1850 1875 1900 1925 1950 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GRS001A 1820 2007 .60 .59 .58 .62 .76 .72 .77 .79 2 GRS001B 1835 2007 .62 .58 .69 .70 .75 .74 .72 3 GRS002A 1805 2007 .42B .42B .63 .82 .85 .79 .75 .75 4 GRS002B 1892 2007 .87 .87 .79 .82 .83 5 GRS003A 1853 2007 .82 .80 .77 .78 .88 .89 6 GRS003B 1830 2007 .47 .71 .84 .83 .77 .78 .80 7 GRS004A 1945 2007 .79 .80 .80 8 GRS004B 1940 2007 .75 .81 .85 9 GRS005A 1874 2007 .87 .86 .88 .91 .91 .91 10 GRS005B 1879 2007 .84 .83 .86 .90 .90 11 GRS006A 1902 2007 .82 .91 .86 .85 12 GRS006B 1880 2007 .80 .83 .91 .81 .81 13 GRS007A 1919 2007 .68 .75 .86 .87 14 GRS007B 1919 2007 .73 .80 .75 .83 15 GRS008A 1909 2007 .75 .89 .91 .92 16 GRS008B 1918 2007 .79 .84 .84 .84 17 GRS009A 1877 2007 .83 .81 .90 .93 .93 18 GRS009B 1866 2007 .84 .87 .90 .92 .87 .86 19 GRS011A 1863 2007 .77 .82 .85 .82 .84 .81 20 GRS011B 1854 2007 .68 .78 .88 .72 .69 .70 21 GRS013A 1859 2007 .74 .76 .80 .81 .89 .87 22 GRS014A 1880 2007 .75 .88 .91 .90 .89 23 GRS014B 1887 2007 .80 .78 .86 .86 .86 24 GRS015A 1846 2007 .79 .78 .85 .77 .80 .84 .84 25 GRS015B 1864 2007 .66 .68 .73 .76 .72 .68 Av segment correlation .51 .58 .72 .79 .80 .82 .83 .83 PART 7: DESCRIPTIVE STATISTICS: Grass Lake 16:43 Mon 30 Aug 2010 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 GRS001A 1820 2007 188 8 0 .691 .72 2.67 .448 .783 .301 2.57 .352 -.004 2 2 GRS001B 1835 2007 173 7 0 .713 .51 1.55 .283 .682 .322 2.76 .459 -.048 3 3 GRS002A 1805 2007 203 8 2 .733 .29 .89 .173 .703 .384 2.66 .321 -.021 1 4 GRS002B 1892 2007 116 5 0 .868 .50 1.97 .257 .496 .404 2.62 .317 .013 1 5 GRS003A 1853 2007 155 6 0 .844 1.06 2.98 .614 .684 .366 2.63 .410 -.027 1 6 GRS003B 1830 2007 178 7 0 .741 .71 2.98 .468 .665 .381 2.79 .433 .014 1 7 GRS004A 1945 2007 63 3 0 .772 1.00 2.27 .488 .660 .351 2.51 .513 -.002 1 8 GRS004B 1940 2007 68 3 0 .782 1.14 2.20 .498 .573 .369 2.54 .461 .010 1 9 GRS005A 1874 2007 134 6 0 .878 .69 1.94 .386 .646 .351 2.67 .397 -.033 1 10 GRS005B 1879 2007 129 5 0 .867 .78 1.83 .359 .637 .311 2.62 .398 -.035 1 11 GRS006A 1902 2007 106 4 0 .841 .60 2.36 .482 .724 .391 2.59 .431 .024 1 12 GRS006B 1880 2007 128 5 0 .812 .52 1.50 .297 .622 .364 2.58 .401 .005 1 13 GRS007A 1919 2007 89 4 0 .758 1.36 3.20 .681 .631 .306 2.60 .429 -.061 1 14 GRS007B 1919 2007 89 4 0 .757 1.47 3.20 .693 .800 .254 2.47 .336 -.032 1 15 GRS008A 1909 2007 99 4 0 .845 .90 2.70 .643 .818 .301 2.64 .374 .006 1 16 GRS008B 1918 2007 90 4 0 .832 .90 2.47 .590 .797 .312 2.71 .472 -.038 1 17 GRS009A 1877 2007 131 5 0 .883 .59 1.78 .341 .571 .455 2.62 .363 -.012 1 18 GRS009B 1866 2007 142 6 0 .888 .73 1.92 .381 .586 .412 2.64 .377 .008 1 19 GRS011A 1863 2007 145 6 0 .794 .54 1.54 .298 .699 .318 2.70 .509 .001 1 20 GRS011B 1854 2007 154 6 0 .765 .54 1.24 .299 .717 .331 2.64 .446 .038 1 21 GRS013A 1859 2007 149 6 0 .843 .65 1.68 .348 .724 .339 2.57 .327 -.027 1 22 GRS014A 1880 2007 128 5 0 .847 .82 2.15 .390 .637 .313 2.73 .485 -.076 1 23 GRS014B 1887 2007 121 5 0 .827 1.09 3.10 .548 .659 .352 2.65 .434 -.030 1 24 GRS015A 1846 2007 162 7 0 .811 1.02 3.61 .477 .573 .328 2.87 .506 -.010 1 25 GRS015B 1864 2007 144 6 0 .704 1.28 3.57 .714 .759 .297 2.69 .549 -.074 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3284 135 2 .800 .77 3.61 .427 .675 .346 2.87 .417 -.016