Gunn Creek, British Columbia, Canada - CANA639 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 : CANA639.CRN Measurement file name : CANA639.RWL Date checked : 30NOV21 Checked by : B. Bauer Beginning year : 1900 Ending year : 2018 Principal investigators: B. Coulthard B. Brice I. Homfeld L. Dye K. Anchukaitis Site name : Gunn Creek Site location : Canada Species information : PIPO PONDEROSA PINE Latitude : 5054 Longitude : -12247 Elevation : 727M Series intercorrelation: 0.676 Avg mean sensitivity : 0.329 Avg standard deviation : 0.180 Avg autocorrelation : 0.496 Number dated series : 23 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 5.43 PART 5: CORRELATION OF SERIES BY SEGMENTS: Gunn Creek 17:21 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CLC01B 1900 2018 .09B .11B .43B .42 2 CLC02A 1900 2018 .67 .63 .62 .66 3 CLC02B 1900 2018 .51 .56 .56 .68 4 CLC03A 1900 2018 .56 .49 .48 .58 5 CLC03B 1900 2018 .51 .53 .39 .49 6 CLC04B 1900 2018 .44 .58 .63 .60 7 CLC05A 1900 2004 .28A .40 .68 .68 8 CLC05B 1910 2018 .48 .49 .66 .76 9 CLC06A 1900 2018 .47 .59 .72 .72 10 CLC06B 1900 2018 .72 .76 .71 .81 11 CLC06C 1900 2018 .62 .62 .71 .84 12 CLC07A 1900 2018 .48 .47 .70 .67 13 CLC07B 1900 2018 .54 .56 .53 .59 14 CLC08A 1900 2018 .29A .51 .56 .80 15 CLC08B 1900 2018 .41 .48 .58 .89 16 CLC09A 1900 2018 .62 .69 .80 .81 17 CLC09B 1900 2018 .56 .62 .64 .75 18 CLC10A 1900 2018 .53 .47 .54 .78 19 CLC10B 1900 2018 .68 .72 .74 .86 20 CLC11A 1900 2018 .57 .42 .48 .67 21 CLC11B 1900 2013 .36 .44 .55 .75 22 CLC12A 1900 2018 .51 .66 .54 .71 23 CLC12B 1918 2018 .64 .59 .57 .76 Av segment correlation .50 .54 .60 .71 PART 7: DESCRIPTIVE STATISTICS: Gunn Creek 17:21 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 CLC01B 1900 2018 119 4 3 .304 .46 .96 .168 .432 .323 2.67 .494 -.016 1 2 CLC02A 1900 2018 119 4 0 .741 .29 .74 .141 .624 .397 2.45 .373 -.027 1 3 CLC02B 1900 2018 119 4 0 .674 .26 .65 .116 .385 .474 2.55 .394 -.063 1 4 CLC03A 1900 2018 119 4 0 .698 .22 .43 .090 .228 .498 2.45 .373 -.023 1 5 CLC03B 1900 2018 119 4 0 .600 .17 .42 .074 .210 .552 2.46 .393 -.080 1 6 CLC04B 1900 2018 119 4 0 .722 .44 1.13 .208 .742 .281 2.33 .273 -.032 1 7 CLC05A 1900 2004 105 4 1 .507 .37 .70 .136 .547 .313 2.46 .382 -.008 1 8 CLC05B 1910 2018 109 4 0 .730 .49 1.19 .218 .589 .355 2.44 .372 -.037 2 9 CLC06A 1900 2018 119 4 0 .753 .47 1.09 .179 .550 .304 2.56 .307 -.040 1 10 CLC06B 1900 2018 119 4 0 .721 .44 .84 .161 .356 .357 2.54 .388 -.044 1 11 CLC06C 1900 2018 119 4 0 .755 .61 1.74 .288 .580 .355 2.44 .331 -.005 1 12 CLC07A 1900 2018 119 4 0 .641 .30 .71 .127 .485 .371 2.67 .446 -.047 4 13 CLC07B 1900 2018 119 4 0 .687 .33 .74 .152 .579 .342 2.49 .346 -.038 1 14 CLC08A 1900 2018 119 4 1 .634 .78 1.32 .225 .369 .260 2.48 .319 -.027 1 15 CLC08B 1900 2018 119 4 0 .732 .99 1.95 .321 .584 .240 2.39 .273 -.026 1 16 CLC09A 1900 2018 119 4 0 .802 .37 .86 .167 .744 .287 2.37 .311 -.024 2 17 CLC09B 1900 2018 119 4 0 .764 .34 .78 .126 .463 .325 2.50 .304 -.013 1 18 CLC10A 1900 2018 119 4 0 .676 .68 1.06 .163 .393 .216 2.38 .340 -.028 1 19 CLC10B 1900 2018 119 4 0 .790 .47 .89 .138 .476 .256 2.40 .318 -.003 1 20 CLC11A 1900 2018 119 4 0 .649 .30 .51 .091 .296 .289 2.53 .385 -.044 4 21 CLC11B 1900 2013 114 4 0 .583 .46 .80 .142 .277 .303 2.45 .392 -.025 1 22 CLC12A 1900 2018 119 4 0 .657 .49 1.32 .234 .794 .233 2.49 .330 -.058 1 23 CLC12B 1918 2018 101 4 0 .714 1.14 3.50 .534 .760 .222 2.51 .330 -.129 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2690 92 5 .676 .47 3.50 .180 .496 .329 2.67 .355 -.036