Shadow Lake, Northwest Territories, Canada - cana283 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 on rock outcrops in the Yellowknife region. Site had little to no soil and ground cover consisted of some mosses and lichens. COFECHA output: Chronology file name : CANA283.CRN Measurement file name : CANA283.RWL Date checked : 24JUL09 Checked by : B. Bauer Beginning year : 1873 Ending year : 2005 Principal investigators: Sonia St-Onge Michael Pisaric Steve Kokelj Site name : Shadow Lake Site location : Canada Species information : PIBN JACK PINE Latitude : 6234 Longitude : -11421 Elevation : 209M Series intercorrelation: 0.631 Avg mean sensitivity : 0.444 Avg standard deviation : 0.246 Avg autocorrelation : 0.693 Number dated series : 50 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 1.46 PART 5: CORRELATION OF SERIES BY SEGMENTS: Shadow Lake 10:32 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SHA1A 1886 2005 .59 .60 .66 .51 .47 2 SHA1B 1880 2005 .66 .64 .59 .51 .51 3 SHA2A 1890 2005 .59 .75 .67 .61 .66 4 SHA2B 1892 2005 .35 .50 .68 .57 .55 5 SHA3A 1886 2005 .54 .80 .77 .68 .69 6 SHA3B 1900 1941 .56 7 SHA4A 1879 2005 .42 .41 .51 .58 .58 8 SHA4B 1880 2005 .43 .52 .66 .81 .80 9 SHA5A 1874 1951 .62 .62 .47 .50 10 SHA5B 1874 1936 .56 .55 .58 11 SHA7A 1958 2005 .68 12 SHA7B 1958 2005 .61 13 SHA8A 1897 2005 .67 .64 .60 .63 .62 14 SHA8B 1897 2005 .69 .68 .74 .69 .63 15 SHA9A 1876 1962 .62 .63 .69 16 SHA9B 1875 2005 .61 .57 .61 .75 .73 17 SHA11A 1961 2005 .56 18 SHA11B 1961 2005 .52 19 SHA12A 1883 2005 .66 .70 .65 .54 .56 20 SHA12B 1873 2005 .64 .63 .61 .69 .70 .67 21 SHA13A 1883 2005 .53 .68 .70 .56 .50 22 SHA13B 1884 2005 .70 .78 .75 .47 .35B 23 SHA16B 1905 1990 .20B .31B .34 24 SHA17A 1883 2005 .43 .74 .65 .69 .71 25 SHA17B 1890 1995 .58 .72 .57 .62 26 SHA19A 1886 2005 .70 .80 .64 .58 .56 27 SHA19B 1896 2005 .80 .81 .78 .80 .79 28 SHA20A 1884 2005 .66 .64 .62 .68 .65 29 SHA20B 1884 1934 .75 .75 30 SHA20BB 1940 1983 .68 31 SHA21A 1904 2005 .59 .61 .68 .66 32 SHA21B 1903 2005 .67 .71 .73 .63 33 SHA23A 1897 2005 .44 .47 .53 .52 .51 34 SHA23B 1896 2005 .35 .37 .48 .49 .52 35 SHA24A 1886 2005 .59 .76 .58 .63 .70 36 SHA24B 1893 2005 .56 .52 .57 .73 .74 37 SHA25A 1883 2005 .75 .84 .86 .75 .71 38 SHA25B 1883 2005 .74 .71 .76 .82 .80 39 SHA26A 1881 2005 .67 .66 .75 .62 .55 40 SHA26B 1883 1951 .78 .81 .81 41 SHA27A 1938 2005 .58 .52 .53 42 SHA27B 1938 2005 .70 .62 .59 43 SHA28A 1883 2005 .75 .70 .72 .62 .62 44 SHA28B 1890 1963 .58 .64 .71 45 SHA29A 1900 2005 .68 .74 .72 .72 46 SHA29B 1897 2005 .64 .65 .53 .49 .56 47 SHA31A 1898 2005 .68 .69 .70 .75 .72 48 SHA31B 1898 2005 .63 .66 .62 .76 .76 49 SHA32A 1880 2005 .72 .79 .73 .82 .79 50 SHA32B 1898 2004 .65 .69 .78 .63 .59 Av segment correlation .61 .61 .64 .66 .63 .63 PART 7: DESCRIPTIVE STATISTICS: Shadow Lake 10:32 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 SHA1A 1886 2005 120 5 0 .547 .34 1.24 .225 .736 .375 2.65 .454 .002 6 2 SHA1B 1880 2005 126 5 0 .581 .27 .81 .162 .637 .415 2.69 .421 .053 1 3 SHA2A 1890 2005 116 5 0 .687 .40 1.39 .249 .796 .307 2.68 .358 -.056 1 4 SHA2B 1892 2005 114 5 0 .519 .36 1.74 .304 .884 .330 2.82 .454 .067 1 5 SHA3A 1886 2005 120 5 0 .675 .54 2.23 .526 .907 .404 2.52 .451 -.059 1 6 SHA3B 1900 1941 42 1 0 .562 .33 1.10 .309 .752 .473 2.77 .610 -.062 1 7 SHA4A 1879 2005 127 5 0 .497 .26 1.01 .208 .641 .689 2.71 .395 -.095 1 8 SHA4B 1880 2005 126 5 0 .648 .31 .89 .208 .608 .575 2.71 .497 -.048 1 9 SHA5A 1874 1951 78 4 0 .537 .52 1.19 .305 .715 .378 2.65 .508 .069 1 10 SHA5B 1874 1936 63 3 0 .555 .47 1.27 .238 .637 .321 2.61 .394 .002 1 11 SHA7A 1958 2005 48 1 0 .685 .40 1.05 .309 .709 .639 2.55 .590 -.104 1 12 SHA7B 1958 2005 48 1 0 .613 .65 1.83 .419 .312 .590 2.75 .529 -.059 1 13 SHA8A 1897 2005 109 5 0 .640 .34 1.27 .295 .633 .592 2.93 .549 -.028 1 14 SHA8B 1897 2005 109 5 0 .657 .23 .76 .157 .406 .619 2.94 .554 -.041 1 15 SHA9A 1876 1962 87 3 0 .669 .27 .75 .164 .466 .594 2.84 .524 -.067 1 16 SHA9B 1875 2005 131 5 0 .653 .34 1.06 .253 .744 .569 2.60 .438 -.061 1 17 SHA11A 1961 2005 45 1 0 .562 .75 2.03 .527 .530 .552 2.80 .631 -.044 1 18 SHA11B 1961 2005 45 1 0 .517 .64 1.56 .385 .383 .553 2.75 .728 .036 2 19 SHA12A 1883 2005 123 5 0 .619 .20 .83 .159 .680 .559 2.52 .393 -.023 1 20 SHA12B 1873 2005 133 6 0 .663 .18 .77 .120 .532 .536 2.71 .351 .028 2 21 SHA13A 1883 2005 123 5 0 .586 .32 1.40 .229 .772 .291 2.53 .396 .008 1 22 SHA13B 1884 2005 122 5 1 .621 .36 1.02 .217 .761 .391 2.55 .383 -.017 1 23 SHA16B 1905 1990 86 3 2 .221 .32 .74 .162 .502 .390 2.82 .484 .063 1 24 SHA17A 1883 2005 123 5 0 .639 .33 1.29 .220 .836 .322 2.55 .314 -.018 1 25 SHA17B 1890 1995 106 4 0 .650 .29 .92 .188 .786 .366 2.52 .378 -.116 1 26 SHA19A 1886 2005 120 5 0 .672 .39 1.24 .213 .607 .409 2.53 .399 -.002 1 27 SHA19B 1896 2005 110 5 0 .800 .35 .93 .192 .658 .403 2.66 .453 .027 1 28 SHA20A 1884 2005 122 5 0 .654 .39 1.44 .319 .689 .605 2.61 .427 -.029 1 29 SHA20B 1884 1934 51 2 0 .749 .58 1.16 .283 .456 .411 2.73 .654 -.032 1 30 SHA20BB 1940 1983 44 1 0 .675 .17 .47 .112 .148 .754 2.84 .726 .069 1 31 SHA21A 1904 2005 102 4 0 .622 .36 1.17 .275 .816 .415 2.62 .361 -.027 1 32 SHA21B 1903 2005 103 4 0 .649 .37 1.16 .256 .709 .431 2.64 .521 .019 1 33 SHA23A 1897 2005 109 5 0 .483 .40 1.85 .303 .827 .322 2.72 .536 -.005 1 34 SHA23B 1896 2005 110 5 0 .439 .35 1.42 .238 .782 .307 2.70 .478 -.059 1 35 SHA24A 1886 2005 120 5 0 .659 .43 1.23 .216 .646 .291 2.67 .481 -.023 1 36 SHA24B 1893 2005 113 5 0 .620 .34 1.25 .223 .797 .296 2.62 .401 -.044 1 37 SHA25A 1883 2005 123 5 0 .759 .30 1.01 .243 .814 .396 2.49 .399 -.024 1 38 SHA25B 1883 2005 123 5 0 .763 .34 1.29 .253 .733 .453 2.72 .436 -.003 1 39 SHA26A 1881 2005 125 5 0 .629 .34 .94 .213 .684 .415 2.73 .495 .016 1 40 SHA26B 1883 1951 69 3 0 .799 .68 1.60 .349 .683 .310 2.75 .605 .097 1 41 SHA27A 1938 2005 68 3 0 .589 .27 .71 .169 .596 .440 2.56 .433 -.059 2 42 SHA27B 1938 2005 68 3 0 .694 .46 1.22 .346 .797 .445 2.52 .403 -.032 1 43 SHA28A 1883 2005 123 5 0 .668 .34 .95 .217 .759 .428 2.51 .398 -.006 1 44 SHA28B 1890 1963 74 3 0 .639 .49 1.29 .307 .788 .354 2.60 .463 -.073 1 45 SHA29A 1900 2005 106 4 0 .693 .37 1.25 .259 .858 .318 2.50 .379 -.090 1 46 SHA29B 1897 2005 109 5 0 .558 .33 1.12 .254 .900 .356 2.52 .519 -.062 1 47 SHA31A 1898 2005 108 5 0 .699 .43 1.31 .250 .430 .506 2.79 .407 .007 1 48 SHA31B 1898 2005 108 5 0 .699 .40 1.54 .277 .587 .497 2.75 .457 .073 2 PART 7: DESCRIPTIVE STATISTICS: Shadow Lake 10:32 Fri 24 Jul 2009 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 SHA32A 1880 2005 126 5 0 .769 .30 1.27 .228 .751 .520 2.66 .400 -.003 1 50 SHA32B 1898 2004 107 5 0 .641 .25 1.24 .233 .784 .603 2.68 .394 -.029 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5011 205 3 .631 .36 2.23 .246 .693 .444 2.94 .450 -.017