Babe Creek Side Slope, Alaska - ak134 Additional Site Information J.M. Wolken, D.H. Mann, A.H. Lloyd Purpose of Collection: Ecology Cores Stored at: University of Alaska Fairbanks NOTES: Data include raw treering measurements of annual ring width for multiple treering samples collected from the Side slope location of the Babe Creek toposequence. Dated series were visually and then statistically crossdated with the program COFECHA. COFECHA output: Chronology file name : AK134.CRN Measurement file name : AK134.RWL Date checked : 27AUG13 Checked by : B. Bauer Beginning year : 1875 Ending year : 2010 Principal investigators: J.M. Wolken D.H. Mann A.H. Lloyd Site name : Babe Creek Side Slope Site location : Alaska Species information : PCMA BLACK SPRUCE Latitude : 6500 Longitude : -14739 Elevation : 431M Series intercorrelation: 0.482 Avg mean sensitivity : 0.225 Avg standard deviation : 0.178 Avg autocorrelation : 0.715 Number dated series : 27 Segment length tested : 50 Number problem segments: 5 Pct problem segments : 6.10 PART 5: CORRELATION OF SERIES BY SEGMENTS: Babe Creeek Side Slope 14:49 Tue 27 Aug 2013 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 002401A 1943 2010 .64 .68 .67 2 002401B 1942 2010 .67 .67 .63 3 002403A 1940 2010 .61 .64 .58 4 002403B 1944 2010 .40 .53 .57 5 002404A 1932 2010 .58 .46 .40 6 002404B 1932 2010 .72 .71 .68 7 002405A 1942 2010 .58 .57 .50 8 002405B 1935 2010 .56 .65 .68 9 002406A 1942 2010 .52 .56 .52 10 002406B 1966 2010 .50 11 002407A 1931 2010 .45 .49 .50 12 002409A 1968 2010 .31A 13 002409B 1943 2010 .44 .58 .56 14 002410A 1943 2010 .60 .61 .53 15 002410B 1947 2010 .54 .53 .58 16 002411A 1943 2010 .65 .65 .73 17 002411B 1942 2010 .45 .50 .55 18 002413A 1927 2010 .33B .51 .48 19 002413B 1929 2010 .53 .51 .44 20 002415B 1939 2010 .33 .47 .33 21 002417B 1946 2010 .35 .37 .30A 22 002418A 1920 2010 .56 .59 .63 .60 23 002418B 1942 2010 .57 .53 .35 24 002419A 1940 2010 .60 .41 .38 25 002419B 1942 2010 .51 .66 .62 26 002420A 1875 2010 .58 .57 .58 .40 .28A 27 002420B 1875 2010 .55 .42 .46 .34 .29A Av segment correlation .57 .52 .53 .54 .51 PART 7: DESCRIPTIVE STATISTICS: Babe Creeek Side Slope 14:49 Tue 27 Aug 2013 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 002401A 1943 2010 68 3 0 .620 .52 1.25 .241 .762 .186 2.68 .564 -.006 1 2 002401B 1942 2010 69 3 0 .640 .61 1.03 .202 .765 .165 2.63 .394 .031 1 3 002403A 1940 2010 71 3 0 .564 .43 .88 .154 .693 .215 2.86 .624 .026 1 4 002403B 1944 2010 67 3 0 .462 .38 1.04 .188 .757 .217 3.19 .600 .149 1 5 002404A 1932 2010 79 3 0 .476 .42 1.14 .281 .904 .205 2.76 .570 -.027 2 6 002404B 1932 2010 79 3 0 .662 .51 1.17 .238 .831 .196 2.49 .360 .012 1 7 002405A 1942 2010 69 3 0 .538 .44 1.41 .327 .953 .166 2.79 .549 -.043 1 8 002405B 1935 2010 76 3 0 .571 .45 1.47 .343 .928 .233 2.59 .552 .000 2 9 002406A 1942 2010 69 3 0 .491 .29 .51 .081 .408 .232 2.75 .568 -.020 1 10 002406B 1966 2010 45 1 0 .499 .31 .87 .143 .356 .316 3.05 .640 -.062 1 11 002407A 1931 2010 80 3 0 .455 .32 .81 .171 .785 .222 2.83 .548 .006 1 12 002409A 1968 2010 43 1 1 .310 .44 .91 .163 .647 .203 2.98 .590 .068 1 13 002409B 1943 2010 68 3 0 .441 .41 1.01 .195 .692 .245 2.71 .556 .029 1 14 002410A 1943 2010 68 3 0 .526 .31 .70 .114 .636 .214 2.77 .525 -.023 1 15 002410B 1947 2010 64 3 0 .523 .29 .72 .128 .800 .213 2.69 .544 .041 1 16 002411A 1943 2010 68 3 0 .657 .28 .67 .097 .490 .245 2.63 .489 .101 1 17 002411B 1942 2010 69 3 0 .447 .40 .83 .142 .475 .256 2.83 .529 -.084 2 18 002413A 1927 2010 84 3 1 .381 .32 .71 .161 .759 .259 2.64 .544 -.069 1 19 002413B 1929 2010 82 3 0 .484 .31 .69 .135 .790 .222 2.57 .465 -.034 1 20 002415B 1939 2010 72 3 0 .252 .30 1.05 .213 .911 .198 2.76 .439 .042 1 21 002417B 1946 2010 65 3 1 .288 .31 .56 .083 .543 .199 2.50 .458 .009 1 22 002418A 1920 2010 91 4 0 .521 .33 .98 .203 .856 .230 2.66 .468 -.094 1 23 002418B 1942 2010 69 3 0 .438 .28 .48 .074 .534 .198 2.57 .532 -.058 1 24 002419A 1940 2010 71 3 0 .432 .43 1.85 .389 .909 .251 2.55 .524 -.049 1 25 002419B 1942 2010 69 3 0 .480 .56 1.29 .279 .876 .183 2.63 .413 -.067 1 26 002420A 1875 2010 136 5 1 .474 .20 .55 .075 .575 .241 2.85 .492 -.072 1 27 002420B 1875 2010 136 5 1 .399 .17 .56 .090 .600 .295 2.84 .490 -.074 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2027 82 5 .482 .36 1.85 .178 .715 .225 3.19 .514 -.016