Dettah Road, Northwest Territories, Canada - cana289 Additional Site Information Sonia St-Onge Michael Pisaric Steve Kokelj Purpose of Collection: Climatology - precipitation analyses Detrend Method: Negative exponontial or linear regression with negative or 0 slope Cores are stored at: Department of Geography and Environmental Studies, Carleton University, Ottawa CANADA Attn: Michael Pisaric Notes: Samples were collected from rock outcrops in the Yellowknife region. There was little to no soil cover and ground cover was predominantly mosses and lichens. Reference: Pisaric, M.F.J., St-Onge, S.M. and Kokelj, S.V. In press. Tree-ring reconstruction of early-growing season precipitation from Yellowknife, Northwest Territories. Arctic, Antarctic and Alpine Research. Accepted June 24, 2009. COFECHA output: Chronology file name : CANA289.CRN Measurement file name : CANA289.RWL Date checked : 24JUL09 Checked by : B. Bauer Beginning year : 1806 Ending year : 2005 Principal investigators: Sonia St-Onge Michael Pisaric Steve Kokelj Site name : Dettah Road Site location : Canada Species information : PIBN JACK PINE Latitude : 6228 Longitude : -11418 Elevation : 191M Series intercorrelation: 0.707 Avg mean sensitivity : 0.390 Avg standard deviation : 0.264 Avg autocorrelation : 0.646 Number dated series : 30 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.81 PART 5: CORRELATION OF SERIES BY SEGMENTS: Dettah Road 16:37 Fri 24 Jul 2009 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 DETT1A 1959 2005 .62 2 DETT1B 1958 2005 .56 3 DETT4A 1898 2005 .63 .66 .50 .59 .62 4 DETT4B 1897 2005 .84 .87 .90 .89 .90 5 DETT5A 1883 2005 .69 .82 .90 .82 .82 6 DETT5B 1883 2005 .73 .83 .87 .85 .84 7 DETT6A 1890 1999 .73 .79 .79 .65 8 DETT6B 1883 2003 .85 .89 .91 .65 .52 9 DETT10A 1885 2005 .85 .89 .89 .82 .84 10 DETT11A 1961 2005 .67 11 DETT11B 1961 2005 .63 12 DETT12A 1893 1991 .59 .57 .61 .33A 13 DETT12B 1893 2005 .66 .66 .70 .80 .77 14 DETT13A 1890 1990 .54 .61 .57 .62 15 DETT13B 1890 2005 .51 .61 .67 .78 .78 16 DETT14A 1900 2003 .58 .70 .72 .72 17 DETT14B 1922 2004 .57 .58 .63 .58 18 DETT15A 1891 2005 .70 .67 .71 .69 .70 19 DETT15B 1886 2005 .68 .62 .67 .67 .70 20 DETT16A 1806 2001 .69 .59 .54 .69 .78 .79 .56 .51 21 DETT16B 1809 2005 .69 .59 .54 .68 .84 .85 .80 .79 22 DETT17A 1886 2005 .72 .75 .77 .80 .77 23 DETT17B 1885 1966 .71 .75 .75 24 DETT19A 1923 2005 .60 .61 .65 .63 25 DETT19B 1922 2005 .66 .72 .79 .80 26 DETT20B 1925 2005 .85 .78 .75 27 DETT21B 1914 2005 .84 .87 .81 .81 28 DETT21C 1914 2005 .87 .90 .87 .85 29 DETT22A 1923 2005 .83 .83 .81 .81 30 DETT22B 1934 2005 .79 .67 .66 Av segment correlation .69 .59 .54 .69 .73 .76 .71 .74 PART 7: DESCRIPTIVE STATISTICS: Dettah Road 16:37 Fri 24 Jul 2009 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 DETT1A 1959 2005 47 1 0 .620 .85 2.11 .328 .391 .278 3.01 .577 .036 1 2 DETT1B 1958 2005 48 1 0 .559 .68 1.54 .258 .298 .309 2.77 .545 .108 1 3 DETT4A 1898 2005 108 5 0 .615 .50 1.28 .290 .587 .458 2.61 .494 -.017 1 4 DETT4B 1897 2005 109 5 0 .858 .37 1.13 .207 .448 .497 2.51 .322 -.033 1 5 DETT5A 1883 2005 123 5 0 .778 .60 2.51 .511 .836 .425 2.72 .471 -.032 1 6 DETT5B 1883 2005 123 5 0 .797 .58 1.59 .373 .753 .407 2.71 .396 -.053 1 7 DETT6A 1890 1999 110 4 0 .699 .30 .86 .199 .625 .446 2.50 .343 -.013 1 8 DETT6B 1883 2003 121 5 0 .729 .30 .98 .209 .659 .497 2.53 .386 .016 1 9 DETT10A 1885 2005 121 5 0 .845 .72 1.70 .345 .670 .292 2.48 .359 -.053 1 10 DETT11A 1961 2005 45 1 0 .673 .85 1.42 .319 .447 .363 2.57 .542 -.016 1 11 DETT11B 1961 2005 45 1 0 .628 .85 1.93 .357 .265 .352 2.76 .488 -.014 1 12 DETT12A 1893 1991 99 4 1 .456 .43 1.66 .251 .574 .407 2.77 .463 -.011 1 13 DETT12B 1893 2005 113 5 0 .714 .48 1.72 .279 .635 .454 2.71 .436 -.034 1 14 DETT13A 1890 1990 101 4 0 .549 .68 2.48 .404 .726 .360 2.66 .424 .127 6 15 DETT13B 1890 2005 116 5 0 .675 .52 1.53 .252 .510 .360 2.82 .546 -.014 1 16 DETT14A 1900 2003 104 4 0 .643 .37 1.58 .285 .770 .373 2.55 .324 -.045 1 17 DETT14B 1922 2004 83 4 0 .580 .28 .91 .228 .751 .410 2.71 .455 -.016 1 18 DETT15A 1891 2005 115 5 0 .650 .41 1.22 .197 .724 .262 2.69 .462 -.042 1 19 DETT15B 1886 2005 120 5 0 .637 .39 .84 .141 .614 .262 2.82 .501 .104 2 20 DETT16A 1806 2001 196 8 0 .663 .28 1.32 .193 .702 .435 2.82 .478 -.034 1 21 DETT16B 1809 2005 197 8 0 .725 .30 1.55 .218 .698 .427 2.49 .303 -.031 1 22 DETT17A 1886 2005 120 5 0 .748 .33 1.17 .229 .783 .394 2.56 .380 -.031 1 23 DETT17B 1885 1966 82 3 0 .719 .54 1.20 .312 .731 .384 2.73 .485 -.104 1 24 DETT19A 1923 2005 83 4 0 .679 .48 2.06 .316 .678 .349 2.76 .494 -.072 1 25 DETT19B 1922 2005 84 4 0 .747 .47 1.22 .276 .675 .347 2.66 .468 -.066 1 26 DETT20B 1925 2005 81 3 0 .830 .40 1.29 .250 .601 .367 2.62 .375 -.040 1 27 DETT21B 1914 2005 92 4 0 .817 .34 1.15 .207 .634 .474 2.66 .398 -.001 1 28 DETT21C 1914 2005 92 4 0 .862 .35 1.67 .276 .754 .436 2.59 .390 -.017 1 29 DETT22A 1923 2005 83 4 0 .833 .44 1.00 .192 .601 .305 2.57 .496 .019 1 30 DETT22B 1934 2005 72 3 0 .718 .54 1.07 .192 .400 .309 2.66 .416 -.058 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3033 124 1 .707 .45 2.51 .264 .646 .390 3.01 .429 -.017