Spatsum Fan, British Columbia, Canada - CANA643 Additional Site Information B. Coulthard B. Brice I. Homfeld L. Dye K. Anchukaitis Reference: Becky L. Brice, Bethany Lynn Coulthard, Inga K. Homfeld, Laura Dye, and Kevin J. Anchukaitis. 2021. Paleohydrological context for recent floods and droughts in the Fraser River Basin, British Columbia, Canada. Environmental Research Letters. doi: 10.1088/1748-9326/ac3daf Funding: US National Science Foundation AGS-1803995 COFECHA output: Chronology file name : CANA643.CRN Measurement file name : CANA643.RWL Date checked : 30NOV21 Checked by : B. Bauer Beginning year : 1719 Ending year : 2018 Principal investigators: B. Coulthard B. Brice I. Homfeld L. Dye K. Anchukaitis Site name : Spatsum Fan Site location : Canada Species information : PIPO PONDEROSA PINE Latitude : 5032 Longitude : -12117 Elevation : 502M Series intercorrelation: 0.729 Avg mean sensitivity : 0.395 Avg standard deviation : 0.643 Avg autocorrelation : 0.736 Number dated series : 19 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.66 PART 5: CORRELATION OF SERIES BY SEGMENTS: Spatsum Fan 17:25 Tue 30 Nov 2021 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SPF01A 1806 2018 .62 .70 .66 .76 .82 .68 .36 .51 2 SPF01B 1806 2018 .63 .70 .67 .58 .67 .73 .53 .67 3 SPF03A 1809 2018 .74 .72 .71 .78 .87 .86 .74 .74 4 SPF03B 1809 2018 .76 .77 .74 .84 .83 .76 .75 .76 5 SPF04A 1740 2018 .81 .82 .72 .76 .72 .58 .53 .48 .63 .79 .79 6 SPF04B 1719 2018 .87 .86 .75 .71 .79 .65 .68 .65 .57 .52 .58 7 SPF05A 1824 2018 .80 .79 .52 .59 .75 .73 .68 .76 8 SPF05B 1829 2018 .79 .63 .66 .68 .58 .66 .79 9 SPF06A 1872 2018 .82 .83 .76 .64 .51 .57 10 SPF06B 1858 2018 .69 .82 .73 .71 .70 .67 11 SPF07A 1735 2018 .82 .81 .74 .82 .81 .64 .65 .79 .73 .70 .75 12 SPF07B 1730 2018 .87 .85 .76 .78 .76 .55 .63 .73 .71 .83 .90 13 SPF08A 1899 2018 .78 .77 .71 .75 .79 14 SPF08B 1898 2018 .73 .71 .68 .78 .78 15 SPF09B 1864 2018 .82 .88 .86 .80 .80 .81 16 SPF10A 1852 2018 .60 .78 .81 .82 .84 .79 17 SPF10B 1865 2018 .70 .73 .81 .84 .74 .72 18 SPF11A 1755 2018 .89 .88 .60 .29B .46 .76 .82 .82 .87 .85 19 SPF11B 1756 2018 .75 .73 .74 .77 .82 .85 .85 .82 .84 .90 Av segment correlation .84 .83 .76 .72 .72 .66 .73 .76 .73 .70 .74 PART 7: DESCRIPTIVE STATISTICS: Spatsum Fan 17:25 Tue 30 Nov 2021 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 SPF01A 1806 2018 213 8 0 .642 .96 5.17 .939 .817 .440 2.72 .421 -.023 2 2 SPF01B 1806 2018 213 8 0 .650 1.01 5.37 .920 .765 .451 2.87 .475 .019 2 3 SPF03A 1809 2018 210 8 0 .770 1.16 4.81 .874 .856 .384 2.67 .440 -.043 1 4 SPF03B 1809 2018 210 8 0 .762 1.01 3.43 .604 .759 .356 2.49 .355 -.004 4 5 SPF04A 1740 2018 279 11 0 .680 .56 1.97 .326 .674 .401 2.64 .444 -.014 1 6 SPF04B 1719 2018 300 11 0 .701 .59 2.77 .439 .721 .406 2.66 .348 -.018 1 7 SPF05A 1824 2018 195 8 0 .716 1.10 3.21 .677 .731 .355 2.65 .496 .027 4 8 SPF05B 1829 2018 190 7 0 .697 1.10 3.63 .684 .731 .351 2.58 .411 .021 3 9 SPF06A 1872 2018 147 6 0 .664 1.05 4.80 .904 .876 .329 2.70 .510 -.076 1 10 SPF06B 1858 2018 161 6 0 .685 .90 3.49 .730 .875 .325 2.56 .401 -.024 2 11 SPF07A 1735 2018 284 11 0 .751 .51 2.45 .312 .628 .409 2.71 .403 .003 1 12 SPF07B 1730 2018 289 11 0 .781 .62 2.27 .363 .663 .402 2.67 .422 -.015 1 13 SPF08A 1899 2018 120 5 0 .762 1.78 6.12 1.026 .716 .363 2.79 .588 .028 1 14 SPF08B 1898 2018 121 5 0 .738 1.62 5.04 .947 .779 .344 2.67 .500 .015 1 15 SPF09B 1864 2018 155 6 0 .817 1.40 5.51 .877 .646 .451 2.91 .570 .015 1 16 SPF10A 1852 2018 167 6 0 .748 1.20 3.34 .600 .533 .399 2.69 .400 -.019 1 17 SPF10B 1865 2018 154 6 0 .757 1.26 3.86 .695 .613 .431 2.59 .427 -.058 1 18 SPF11A 1755 2018 264 10 1 .732 .63 3.52 .578 .820 .432 2.57 .341 -.013 2 19 SPF11B 1756 2018 263 10 0 .799 .68 3.77 .622 .812 .391 2.64 .410 .008 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3935 151 1 .729 .92 6.12 .643 .736 .395 2.91 .429 -.009