Kam Lake, Northwest Territories, Canada - cana288 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 : CANA288.CRN Measurement file name : CANA288.RWL Date checked : 24JUL09 Checked by : B. Bauer Beginning year : 1828 Ending year : 2005 Principal investigators: Sonia St-Onge Michael Pisaric Steve Kokelj Site name : Kam Lake Site location : Canada Species information : PIBN JACK PINE Latitude : 6225 Longitude : -11425 Elevation : 175M Series intercorrelation: 0.689 Avg mean sensitivity : 0.408 Avg standard deviation : 0.186 Avg autocorrelation : 0.556 Number dated series : 47 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 1.93 PART 5: CORRELATION OF SERIES BY SEGMENTS: Kam Lake 16:19 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 KAM1A 1828 2005 .72 .81 .89 .83 .79 .78 .76 2 KAM1B 1828 2005 .72 .78 .80 .76 .74 .82 .84 3 KAM5A 1838 2005 .77 .85 .83 .89 .88 .87 .86 4 KAM5B 1838 2005 .79 .86 .84 .82 .81 .77 .75 5 KAM6A 1833 2005 .68 .72 .78 .75 .80 .80 .80 6 KAM6B 1833 1987 .73 .78 .77 .72 .84 .78 7 KAM7A 1838 1991 .64 .83 .78 .68 .73 .80 8 KAM7B 1840 1938 .51 .77 .84 .72 9 KAM7Ba 1950 2005 .72 .73 10 KAM8A 1838 2005 .73 .79 .79 .74 .68 .69 .69 11 KAM8B 1838 2005 .77 .78 .80 .66 .58 .71 .73 12 KAM9A 1840 2001 .48 .75 .85 .68 .66 .54 .54 13 KAM9B 1840 1960 .58 .71 .72 .45 .23A 14 KAM10A 1849 2005 .77 .78 .65 .46 .46 .48 .52 15 KAM10B 1849 2005 .71 .72 .51 .47 .63 .60 .64 16 KAM11A 1966 2005 .80 17 KAM11B 1966 2005 .83 18 KAM12A 1952 2005 .80 .78 19 KAM12B 1952 2005 .73 .73 20 KAM13A 1954 2005 .58 .57 21 KAM13B 1954 2005 .49 .50 22 KAM14A 1834 2005 .53 .67 .68 .58 .72 .79 .70 23 KAM14B 1834 1999 .68 .79 .78 .68 .66 .67 24 KAM15A 1956 2005 .40 25 KAM15B 1956 2005 .47 26 KAM16A 1899 2005 .61 .60 .61 .80 .77 27 KAM16B 1899 2005 .65 .63 .67 .79 .75 28 KAM17A 1837 2005 .75 .76 .69 .69 .74 .84 .84 29 KAM17B 1837 2005 .67 .62 .55 .60 .75 .84 .85 30 KAM18A 1968 2005 .75 31 KAM18B 1967 2005 .69 32 KAM20A 1840 2005 .53 .73 .66 .31A .44 .74 .74 33 KAM20B 1840 2005 .27B .29A .34 .57 .64 .59 .63 34 KAM21A 1959 2004 .58 35 KAM21B 1965 2005 .79 36 KAM23A 1956 2005 .70 37 KAM23B 1956 2005 .67 38 KAM24A 1833 2005 .66 .79 .83 .65 .60 .72 .73 39 KAM24B 1838 2005 .78 .85 .85 .84 .76 .58 .60 40 KAM26E 1836 2005 .58 .79 .73 .64 .65 .77 .82 41 KAM26F 1838 2005 .62 .80 .80 .73 .65 .76 .78 42 KAM27A 1838 1998 .71 .75 .68 .58 .59 .69 43 KAM27B 1838 2005 .80 .82 .79 .72 .72 .76 .74 44 KAM29A 1958 2005 .58 45 KAM29B 1962 2005 .69 46 KAM31A 1958 2005 .74 47 KAM31B 1959 2005 .78 Av segment correlation .66 .75 .73 .66 .67 .71 .72 PART 7: DESCRIPTIVE STATISTICS: Kam Lake 16:19 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 KAM1A 1828 2005 178 7 0 .793 .28 .98 .146 .578 .338 2.73 .476 .036 1 2 KAM1B 1828 2005 178 7 0 .781 .29 1.19 .150 .498 .388 2.73 .454 .008 1 3 KAM5A 1838 2005 168 7 0 .839 .22 .62 .126 .342 .539 2.66 .478 -.011 1 4 KAM5B 1838 2005 168 7 0 .804 .23 .80 .127 .334 .548 2.72 .470 -.045 2 5 KAM6A 1833 2005 173 7 0 .735 .18 1.31 .159 .736 .523 2.70 .373 .036 1 6 KAM6B 1833 1987 155 6 0 .733 .26 1.54 .202 .667 .454 2.67 .355 .002 1 7 KAM7A 1838 1991 154 6 0 .721 .29 .88 .152 .540 .404 2.73 .510 -.061 1 8 KAM7B 1840 1938 99 4 0 .611 .32 .80 .137 .446 .341 2.68 .522 -.035 1 9 KAM7Ba 1950 2005 56 2 0 .726 .34 1.01 .167 .184 .493 2.73 .535 .078 1 10 KAM8A 1838 2005 168 7 0 .731 .22 .67 .144 .632 .439 2.56 .383 -.050 1 11 KAM8B 1838 2005 168 7 0 .729 .24 1.61 .191 .544 .519 2.90 .490 -.068 1 12 KAM9A 1840 2001 162 7 0 .595 .34 1.63 .270 .624 .499 2.65 .382 -.040 1 13 KAM9B 1840 1960 121 5 1 .512 .26 .80 .150 .486 .477 2.71 .582 .058 1 14 KAM10A 1849 2005 157 7 0 .584 .23 .70 .116 .650 .354 2.74 .452 -.056 1 15 KAM10B 1849 2005 157 7 0 .615 .18 .68 .128 .747 .382 2.68 .458 -.057 1 16 KAM11A 1966 2005 40 1 0 .803 .89 2.13 .412 .509 .304 3.07 .569 -.033 1 17 KAM11B 1966 2005 40 1 0 .828 1.25 3.07 .648 .551 .313 2.83 .556 -.086 1 18 KAM12A 1952 2005 54 2 0 .783 .73 1.57 .324 .524 .324 2.82 .714 .027 1 19 KAM12B 1952 2005 54 2 0 .731 .59 1.19 .262 .560 .340 2.61 .530 .091 2 20 KAM13A 1954 2005 52 2 0 .569 .57 1.04 .241 .699 .266 2.90 .612 .062 1 21 KAM13B 1954 2005 52 2 0 .498 .79 1.89 .376 .731 .263 2.47 .408 -.067 1 22 KAM14A 1834 2005 172 7 0 .651 .30 1.10 .185 .644 .348 2.75 .493 -.035 2 23 KAM14B 1834 1999 166 6 0 .703 .27 1.15 .155 .501 .348 2.84 .453 .013 2 24 KAM15A 1956 2005 50 1 0 .400 .87 2.13 .302 .517 .244 2.65 .480 .010 1 25 KAM15B 1956 2005 50 1 0 .473 .96 2.03 .328 .570 .226 2.72 .509 -.019 1 26 KAM16A 1899 2005 107 5 0 .716 .47 1.67 .260 .792 .209 2.80 .497 -.067 1 27 KAM16B 1899 2005 107 5 0 .710 .51 2.10 .370 .864 .204 2.74 .488 -.078 1 28 KAM17A 1837 2005 169 7 0 .724 .19 .47 .094 .390 .428 2.49 .300 -.026 1 29 KAM17B 1837 2005 169 7 0 .703 .20 .61 .121 .597 .457 2.60 .420 -.043 1 30 KAM18A 1968 2005 38 1 0 .748 .48 1.06 .195 .392 .326 2.77 .786 -.065 2 31 KAM18B 1967 2005 39 1 0 .685 .51 .90 .190 .300 .336 2.54 .453 -.048 1 32 KAM20A 1840 2005 166 7 1 .591 .24 .78 .137 .768 .248 2.65 .430 -.027 1 33 KAM20B 1840 2005 166 7 2 .448 .28 .74 .135 .738 .268 2.78 .428 .065 1 34 KAM21A 1959 2004 46 1 0 .581 .56 1.17 .202 .438 .315 2.56 .477 -.088 1 35 KAM21B 1965 2005 41 1 0 .791 .74 1.43 .282 .350 .318 2.87 .549 .023 1 36 KAM23A 1956 2005 50 1 0 .701 .90 1.78 .341 .341 .377 2.58 .535 -.001 1 37 KAM23B 1956 2005 50 1 0 .668 .80 1.76 .337 .349 .408 2.55 .492 .056 1 38 KAM24A 1833 2005 173 7 0 .710 .20 .65 .123 .562 .471 2.56 .413 -.057 1 39 KAM24B 1838 2005 168 7 0 .740 .20 .57 .110 .521 .438 2.58 .418 .016 1 40 KAM26E 1836 2005 170 7 0 .697 .30 1.11 .192 .638 .444 2.58 .355 -.026 1 41 KAM26F 1838 2005 168 7 0 .722 .32 1.13 .237 .697 .458 2.56 .337 -.050 1 42 KAM27A 1838 1998 161 6 0 .666 .23 .99 .162 .522 .542 2.63 .417 .017 2 43 KAM27B 1838 2005 168 7 0 .762 .19 .57 .115 .394 .583 2.65 .463 -.015 1 44 KAM29A 1958 2005 48 1 0 .582 .98 2.01 .346 .175 .363 2.55 .446 -.050 1 45 KAM29B 1962 2005 44 1 0 .688 .95 1.85 .365 .500 .302 2.78 .661 -.072 1 46 KAM31A 1958 2005 48 1 0 .743 .63 2.15 .330 .206 .432 2.95 .500 .078 1 47 KAM31B 1959 2005 47 1 0 .778 .70 1.55 .288 .094 .416 2.84 .584 .094 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5335 207 4 .689 .34 3.07 .186 .556 .408 3.07 .453 -.016