Fox Lake, Northwest Territories, Canada - cana287 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 : CANA287.CRN Measurement file name : CANA287.RWL Date checked : 24JUL09 Checked by : B. Bauer Beginning year : 1679 Ending year : 2005 Principal investigators: Sonia St-Onge Michael Pisaric Steve Kokelj Site name : Fox Lake Site location : Canada Species information : PIBN JACK PINE Latitude : 6229 Longitude : -11425 Elevation : 208M Series intercorrelation: 0.676 Avg mean sensitivity : 0.399 Avg standard deviation : 0.200 Avg autocorrelation : 0.597 Number dated series : 44 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 1.60 PART 5: CORRELATION OF SERIES BY SEGMENTS: Fox Lake 16:07 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 1825 1850 1875 1900 1925 1950 1975 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 FOX1A 1836 2005 .60 .68 .66 .75 .74 .54 .56 2 FOX1B 1838 2004 .46 .54 .52 .72 .80 .71 .64 3 FOX2A 1952 2005 .73 .76 4 FOX2B 1952 2005 .66 .68 5 FOX4A 1952 2005 .81 .80 6 FOX4B 1952 2005 .72 .71 7 FOX5A 1958 2005 .61 8 FOX5B 1958 2005 .54 9 FOX6A 1952 2005 .66 .65 10 FOX6B 1952 2005 .58 .60 11 FOX8A 1958 2005 .82 12 FOX8B 1968 2005 .73 13 FOX11A 1836 2005 .41 .74 .81 .73 .70 .70 .69 14 FOX11B 1836 2005 .46 .71 .77 .66 .68 .81 .83 15 FOX12A 1872 2005 .66 .69 .66 .65 .69 .70 16 FOX12B 1872 2005 .62 .62 .71 .66 .71 .75 17 FOX13A 1837 2005 .65 .66 .77 .78 .59 .65 .58 18 FOX13B 1837 2005 .70 .77 .83 .68 .45 .60 .59 19 FOX19A 1958 2005 .68 20 FOX19B 1958 2005 .61 21 FOX20A 1838 2005 .60 .64 .65 .46 .43 .56 .51 22 FOX20B 1838 2005 .59 .65 .44 .25A .32A .42 .48 23 FOX21A 1833 2002 .78 .73 .69 .72 .72 .60 .58 24 FOX21B 1833 1951 .69 .73 .76 .73 .74 25 FOX23A 1954 2005 .57 .60 26 FOX23B 1955 2005 .64 .65 27 FOX24B 1679 2005 .54 .77 .81 .82 .74 .66 .64 28 FOX25A 1958 2005 .71 29 FOX25B 1958 2005 .64 30 FOX26A 1955 2005 .72 .69 31 FOX26B 1955 2005 .71 .70 32 FOX27A 1838 2003 .63 .73 .76 .78 .71 .76 .75 33 FOX27B 1842 2005 .60 .71 .72 .67 .68 .77 .78 34 FOX28A 1839 2005 .64 .66 .67 .70 .75 .74 .75 35 FOX28B 1839 2003 .67 .75 .72 .70 .71 .70 .69 36 FOX29A 1832 2005 .67 .72 .78 .76 .69 .79 .82 37 FOX29B 1832 1933 .69 .77 .77 .78 38 FOX31A 1841 2005 .72 .79 .84 .85 .79 .81 .80 39 FOX31B 1841 2005 .81 .83 .83 .84 .81 .82 .81 40 FOX32A 1838 1970 .45 .59 .70 .78 .81 41 FOX32B 1838 1950 .52 .61 .69 .64 .64 42 FOX33A 1837 2005 .34B .58 .78 .89 .87 .85 .84 43 FOX34A 1959 2005 .61 44 FOX34B 1955 2005 .68 .69 Av segment correlation .60 .69 .72 .71 .68 .68 .69 PART 7: DESCRIPTIVE STATISTICS: Fox Lake 16:07 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 FOX1A 1836 2005 170 7 0 .629 .33 1.97 .264 .697 .421 2.75 .333 -.051 1 2 FOX1B 1838 2004 167 7 0 .589 .23 1.01 .160 .639 .437 2.93 .481 .015 1 3 FOX2A 1952 2005 54 2 0 .752 .30 .99 .177 .244 .568 2.93 .664 -.123 1 4 FOX2B 1952 2005 54 2 0 .675 .36 .90 .219 .390 .601 2.64 .534 -.042 1 5 FOX4A 1952 2005 54 2 0 .791 .42 .82 .166 .435 .337 2.53 .504 -.057 1 6 FOX4B 1952 2005 54 2 0 .701 .66 1.01 .192 .228 .271 2.51 .404 .011 1 7 FOX5A 1958 2005 48 1 0 .614 .30 .66 .142 .688 .283 2.59 .515 -.007 1 8 FOX5B 1958 2005 48 1 0 .543 .27 .71 .149 .669 .306 2.64 .574 -.035 1 9 FOX6A 1952 2005 54 2 0 .626 .46 1.50 .340 .825 .386 2.70 .649 .030 2 10 FOX6B 1952 2005 54 2 0 .584 .49 1.12 .258 .739 .360 2.52 .452 -.028 2 11 FOX8A 1958 2005 48 1 0 .817 .43 1.04 .225 .401 .429 2.65 .531 .048 1 12 FOX8B 1968 2005 38 1 0 .733 .52 1.46 .268 .433 .491 2.82 .688 -.107 1 13 FOX11A 1836 2005 170 7 0 .644 .29 .89 .126 .489 .348 2.81 .473 -.051 1 14 FOX11B 1836 2005 170 7 0 .682 .27 .93 .147 .627 .361 2.72 .492 -.041 1 15 FOX12A 1872 2005 134 6 0 .684 .31 .76 .144 .439 .416 2.63 .464 .041 1 16 FOX12B 1872 2005 134 6 0 .688 .30 .81 .152 .473 .449 2.81 .469 .022 1 17 FOX13A 1837 2005 169 7 0 .666 .24 .72 .135 .661 .391 2.75 .401 -.010 1 18 FOX13B 1837 2005 169 7 0 .677 .23 .96 .154 .669 .405 2.63 .471 .010 1 19 FOX19A 1958 2005 48 1 0 .678 .42 .89 .153 .199 .369 2.59 .514 -.018 1 20 FOX19B 1958 2005 48 1 0 .610 .48 .89 .162 -.007 .381 2.62 .531 .000 1 21 FOX20A 1838 2005 168 7 0 .544 .36 1.77 .310 .828 .296 2.68 .379 -.071 1 22 FOX20B 1838 2005 168 7 2 .464 .32 1.70 .257 .812 .305 2.66 .445 -.037 1 23 FOX21A 1833 2002 170 7 0 .681 .34 1.06 .259 .687 .437 2.74 .536 .007 1 24 FOX21B 1833 1951 119 5 0 .713 .38 1.28 .265 .752 .385 2.60 .496 .026 1 25 FOX23A 1954 2005 52 2 0 .598 .42 1.04 .214 .547 .369 3.04 .611 -.017 1 26 FOX23B 1955 2005 51 2 0 .647 .28 .78 .173 .430 .487 2.60 .650 .049 1 27 FOX24B 1679 2005 327 7 0 .680 .24 .71 .126 .664 .369 2.68 .407 .017 1 28 FOX25A 1958 2005 48 1 0 .715 .44 .93 .187 .209 .439 2.81 .632 -.015 1 29 FOX25B 1958 2005 48 1 0 .642 .65 1.46 .266 .352 .387 2.69 .517 .035 1 30 FOX26A 1955 2005 51 2 0 .687 .54 1.08 .254 .588 .346 2.59 .521 .046 1 31 FOX26B 1955 2005 51 2 0 .697 .38 .72 .134 .302 .338 2.70 .595 .007 1 32 FOX27A 1838 2003 166 7 0 .738 .41 1.18 .192 .420 .362 2.75 .430 -.013 2 33 FOX27B 1842 2005 164 7 0 .689 .41 1.19 .203 .590 .350 2.60 .428 -.049 6 34 FOX28A 1839 2005 167 7 0 .711 .40 1.02 .205 .662 .336 2.68 .463 -.035 1 35 FOX28B 1839 2003 165 7 0 .696 .42 1.01 .228 .702 .348 2.57 .417 -.053 1 36 FOX29A 1832 2005 174 7 0 .751 .31 .94 .193 .753 .416 2.69 .405 -.011 1 37 FOX29B 1832 1933 102 4 0 .748 .34 1.13 .219 .783 .355 2.64 .484 -.043 1 38 FOX31A 1841 2005 165 7 0 .807 .34 1.48 .226 .631 .443 2.80 .457 -.003 1 39 FOX31B 1841 2005 165 7 0 .814 .38 1.20 .234 .680 .453 2.57 .361 .010 1 40 FOX32A 1838 1970 133 5 0 .662 .32 1.29 .184 .434 .504 2.87 .429 .009 1 41 FOX32B 1838 1950 113 5 0 .576 .23 .73 .136 .522 .476 2.59 .378 -.019 1 42 FOX33A 1837 2005 169 7 1 .730 .24 1.04 .166 .579 .488 2.55 .376 .013 1 43 FOX34A 1959 2005 47 1 0 .613 .88 2.18 .564 .652 .467 2.71 .539 -.020 2 44 FOX34B 1955 2005 51 2 0 .685 .46 1.44 .317 .463 .640 2.95 .658 -.018 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4919 188 3 .676 .34 2.18 .200 .597 .399 3.04 .460 -.013