Ittyhauk Bay, Canada - cana313 Additional Site Information Rosanne D'Arrigo, Brendan Buckley, Gordon Jacoby Notes: Project Title "Synthesis of Three Decades of Research on Tree Growth in Northern Forests in relation to Global Climatic Change" COFECHA output: Chronology file name : CANA313.CRN Measurement file name : CANA313.RWL Date checked : 15NOV11 Checked by : B. Bauer Beginning year : 1689 Ending year : 1998 Principal investigators: Rosanne D'Arrigo Brendan Buckley Gordon Jacoby Site name : Ittyhauk Bay Site location : Canada Species information : PCGL WHITE SPRUCE Latitude : 5600 Longitude : -06100 Elevation : 50M Series intercorrelation: 0.685 Avg mean sensitivity : 0.215 Avg standard deviation : 0.251 Avg autocorrelation : 0.725 Number dated series : 35 Segment length tested : 50 Number problem segments: 14 Pct problem segments : 4.84 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ittyhauk Bay 12:46 Tue 15 Nov 2011 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 IHB01A 1833 1998 .58 .72 .82 .78 .76 .81 2 IHB01B 1848 1998 .56 .58 .74 .82 .83 .76 3 IHB3A 1772 1998 .72 .71 .81 .74 .69 .74 .76 .85 .89 4 IHB3B 1772 1998 .65 .65 .70 .72 .71 .75 .79 .82 .85 5 IHB4A 1822 1998 .71 .69 .61 .79 .84 .83 .84 6 IHB4B 1822 1998 .65 .65 .49 .61 .80 .69 .67 7 IHB05A 1741 1998 .48 .58 .67 .86 .81 .80 .75 .73 .69 .72 8 IHB05B 1741 1998 .62 .70 .66 .73 .69 .58 .59 .71 .72 .66 9 IHB07A 1754 1998 .62 .64 .85 .84 .78 .77 .77 .84 .74 10 IHB07B 1755 1998 .63 .72 .88 .80 .67 .77 .86 .74 .67 11 IHB8A 1836 1998 .71 .69 .66 .69 .76 .85 12 IHB8B 1836 1998 .73 .73 .82 .87 .81 .68 13 IHB09A 1829 1998 .47 .33A .48 .54 .26B .22B 14 IHB09B 1829 1998 .27B .18B .39 .54 .46 .57 15 IHB10W 1746 1998 .45 .48 .64 .75 .67 .56 .73 .69 .75 .82 16 IHB10N 1714 1998 .35 .30B .58 .55 .64 .57 .42 .68 .61 .50 .64 17 IHB11A 1825 1998 .42B .48 .59 .77 .78 .71 18 IHB11B 1825 1983 .23B .43B .74 .76 .73 .61 19 IHB11N 1728 1998 .52 .63 .46 .66 .60 .52 .66 .71 .74 .69 20 IHB13A 1728 1998 .74 .69 .69 .77 .71 .73 .81 .80 .75 .76 21 IHB13B 1728 1998 .64 .51 .59 .85 .78 .71 .81 .83 .82 .78 22 IHB13C 1725 1998 .70 .67 .70 .79 .72 .71 .83 .83 .85 .83 23 IHB13D 1725 1998 .69 .74 .66 .81 .74 .77 .88 .77 .76 .79 24 IHB15A 1689 1998 .70 .67 .75 .45 .13B .65 .69 .63 .83 .72 .80 .88 25 IHB15B 1689 1998 .73 .71 .65 .39 .27A .70 .70 .56 .76 .80 .81 .82 26 IHB16A 1787 1998 .53 .51 .66 .53 .46 .52 .45 .53B 27 IHB16B 1759 1998 .30A .27B .46 .60 .60 .58 .52 .62 .63 28 IHB17A 1810 1998 .45 .50 .59 .67 .78 .83 .86 29 IHB17B 1810 1998 .58 .57 .60 .73 .69 .72 .85 30 IHB18N 1806 1998 .58 .56 .50 .72 .78 .79 .79 31 IHB19A 1777 1970 .66 .75 .76 .70 .58 .68 .81 32 IHB19B 1730 1970 .49 .51 .59 .73 .69 .66 .73 .78 .83 33 IHB19W 1740 1998 .74 .67 .66 .77 .76 .79 .76 .75 .77 .73 34 IHB21A 1842 1998 .57 .65 .80 .81 .73 .75 35 IHB21B 1842 1998 .58 .66 .78 .76 .76 .86 Av segment correlation .71 .58 .60 .59 .57 .71 .64 .61 .71 .74 .73 .74 PART 7: DESCRIPTIVE STATISTICS: Ittyhauk Bay 12:46 Tue 15 Nov 2011 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 IHB01A 1833 1998 166 6 0 .751 1.01 2.23 .395 .757 .218 2.61 .327 .006 1 2 IHB01B 1848 1998 151 6 0 .739 1.36 2.94 .526 .790 .198 2.60 .364 -.024 2 3 IHB3A 1772 1998 227 9 0 .788 .59 1.18 .203 .569 .260 2.60 .373 -.005 1 4 IHB3B 1772 1998 227 9 0 .755 .58 1.31 .211 .596 .278 2.52 .332 -.029 1 5 IHB4A 1822 1998 177 7 0 .782 .61 1.22 .204 .645 .221 2.57 .389 .017 1 6 IHB4B 1822 1998 177 7 0 .677 .81 1.72 .280 .683 .210 2.76 .512 -.032 1 7 IHB05A 1741 1998 258 10 0 .713 .79 2.18 .398 .873 .209 2.60 .366 .001 4 8 IHB05B 1741 1998 258 10 0 .659 .59 1.51 .250 .841 .189 2.57 .319 .009 7 9 IHB07A 1754 1998 245 9 0 .747 .61 2.42 .392 .924 .175 2.79 .422 .007 1 10 IHB07B 1755 1998 244 9 0 .730 .61 2.38 .387 .905 .184 2.89 .425 .011 1 11 IHB8A 1836 1998 163 6 0 .738 .64 1.19 .202 .717 .196 2.56 .482 -.061 1 12 IHB8B 1836 1998 163 6 0 .757 .90 1.55 .226 .525 .191 2.63 .468 -.007 1 13 IHB09A 1829 1998 170 6 3 .383 .64 1.75 .259 .760 .152 2.70 .329 -.022 1 14 IHB09B 1829 1998 170 6 2 .469 .57 1.34 .235 .817 .169 2.70 .469 -.019 1 15 IHB10W 1746 1998 253 10 0 .685 .79 1.66 .278 .800 .173 2.65 .409 -.008 1 16 IHB10N 1714 1998 285 11 1 .534 .62 1.36 .161 .615 .175 2.60 .362 .004 1 17 IHB11A 1825 1998 174 6 1 .636 .99 1.82 .261 .550 .187 2.82 .434 -.029 1 18 IHB11B 1825 1983 159 6 2 .549 1.04 1.60 .218 .387 .185 2.74 .472 -.036 1 19 IHB11N 1728 1998 271 10 0 .622 .55 1.12 .214 .788 .203 2.61 .412 .004 1 20 IHB13A 1728 1998 271 10 0 .754 .50 1.25 .168 .580 .226 2.64 .301 -.019 1 21 IHB13B 1728 1998 271 10 0 .743 .36 1.46 .208 .817 .234 2.72 .363 -.028 1 22 IHB13C 1725 1998 274 10 0 .768 .44 1.04 .144 .597 .230 2.74 .371 .012 1 23 IHB13D 1725 1998 274 10 0 .747 .40 1.78 .206 .713 .234 2.74 .349 -.018 1 24 IHB15A 1689 1998 310 12 1 .696 .40 1.03 .179 .732 .238 2.71 .370 -.016 1 25 IHB15B 1689 1998 310 12 1 .699 .41 1.17 .196 .790 .232 2.68 .368 -.040 1 26 IHB16A 1787 1998 212 8 1 .532 .40 1.36 .174 .772 .216 2.59 .326 -.026 1 27 IHB16B 1759 1998 240 9 2 .523 .66 1.44 .240 .609 .266 2.66 .421 .035 1 28 IHB17A 1810 1998 189 7 0 .706 .71 1.82 .249 .787 .168 2.62 .451 -.013 1 29 IHB17B 1810 1998 189 7 0 .707 .92 1.78 .255 .644 .177 2.71 .506 .013 1 30 IHB18N 1806 1998 193 7 0 .709 .73 2.47 .408 .842 .255 2.50 .353 .058 1 31 IHB19A 1777 1970 194 7 0 .716 .44 1.29 .198 .767 .221 2.62 .324 -.017 1 32 IHB19B 1730 1970 241 9 0 .682 .47 1.93 .326 .846 .267 2.89 .496 -.016 2 33 IHB19W 1740 1998 259 10 0 .741 .48 1.23 .205 .681 .275 2.62 .367 -.011 1 34 IHB21A 1842 1998 157 6 0 .717 .80 1.60 .268 .712 .207 2.67 .503 -.080 1 35 IHB21B 1842 1998 157 6 0 .750 .71 1.64 .281 .760 .205 2.84 .447 .003 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7679 289 14 .685 .63 2.94 .251 .725 .215 2.89 .394 -.010