Grayling, Michigan - MI032 Additional Site Information C.A. Copenheaver M.D. Abrams Reference: Carolyn A. Copenheaver, Marc D. Abrams. 2003. Dendroecology in young stands: case studies from jack pine in northern lower Michigan. Forest Ecology and Management, Vol. 182, Issues 1-3, pp. 247-257, September 2003. DOI: 10.1016/S0378-1127(03)00049-5 Funding: United States Department of Agriculture Forest Service COFECHA output: Chronology file name : MI032.CRN Measurement file name : MI032.RWL Date checked : 26JUL21 Checked by : B. Bauer Beginning year : 1917 Ending year : 1996 Principal investigators: C.A. Copenheaver M.D. Abrams Site name : Grayling Site location : Michigan Species information : PIBN JACK PINE Latitude : 4439 Longitude : -08442 Elevation : 347M Series intercorrelation: 0.578 Avg mean sensitivity : 0.251 Avg standard deviation : 0.961 Avg autocorrelation : 0.684 Number dated series : 28 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 7.14 PART 5: CORRELATION OF SERIES BY SEGMENTS: Grayling 10:12 Mon 26 Jul 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 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 GR01A 1957 1996 .74 2 GR01B 1955 1996 .43 3 GR02A 1951 1996 .64 4 GR02B 1957 1996 .42 5 GR03A 1935 1996 .66 .62 6 GR03B 1938 1996 .60 .58 7 GR04A 1947 1996 .58 8 GR04B 1949 1996 .68 9 GR06A 1957 1996 .71 10 GR09A 1961 1996 .67 11 GR09B 1953 1996 .66 12 GR10A 1939 1996 .59 .70 13 GR10B 1941 1996 .66 .74 14 GR11B 1930 1996 .57 .64 15 GR12A 1949 1996 .79 16 GR12B 1949 1996 .65 17 GR13A 1919 1996 .41 .43 .57 18 GR13B 1917 1996 .37 .35 .44 19 GR15A 1954 1996 .62 20 GR16A 1960 1996 .65 21 GR16B 1960 1996 .81 22 GR18A 1939 1996 .72 .70 23 GR18B 1934 1996 .33A .57 24 GR19A 1964 1996 .51 25 GR19B 1957 1996 .52 26 GR20A 1927 1996 .30A .50 27 GR21A 1942 1996 .32A .33 28 GR22A 1927 1996 .50 .68 Av segment correlation .39 .54 .60 PART 7: DESCRIPTIVE STATISTICS: Grayling 10:12 Mon 26 Jul 2021 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 GR01A 1957 1996 40 1 0 .745 3.29 5.72 .794 .293 .207 2.63 .458 -.041 1 2 GR01B 1955 1996 42 1 0 .428 2.96 4.19 .713 .408 .218 2.42 .432 .005 1 3 GR02A 1951 1996 46 1 0 .635 2.37 4.46 .805 .642 .223 2.57 .482 -.018 1 4 GR02B 1957 1996 40 1 0 .420 2.10 3.97 .723 .640 .216 2.36 .405 -.009 1 5 GR03A 1935 1996 62 2 0 .599 2.20 5.89 1.214 .819 .245 2.53 .462 .089 1 6 GR03B 1938 1996 59 2 0 .579 2.93 5.60 1.213 .787 .215 2.69 .572 -.043 1 7 GR04A 1947 1996 50 1 0 .583 1.59 2.55 .476 .430 .268 2.49 .556 -.041 1 8 GR04B 1949 1996 48 1 0 .677 2.18 3.26 .624 .393 .265 2.50 .564 -.062 1 9 GR06A 1957 1996 40 1 0 .708 3.19 4.80 .769 .190 .238 2.80 .611 .078 1 10 GR09A 1961 1996 36 1 0 .674 2.04 3.97 .799 .651 .241 2.55 .723 -.013 2 11 GR09B 1953 1996 44 1 0 .661 1.98 3.98 .736 .519 .296 2.61 .610 .067 1 12 GR10A 1939 1996 58 2 0 .644 1.93 6.31 1.465 .906 .257 2.64 .494 .086 1 13 GR10B 1941 1996 56 2 0 .690 2.17 5.92 1.438 .919 .235 2.58 .447 -.012 2 14 GR11B 1930 1996 67 2 0 .605 1.26 7.47 1.154 .811 .418 2.73 .570 .052 1 15 GR12A 1949 1996 48 1 0 .789 2.01 3.70 .634 .461 .254 2.70 .567 .136 1 16 GR12B 1949 1996 48 1 0 .650 2.15 4.67 .659 .215 .245 2.63 .521 .139 1 17 GR13A 1919 1996 78 3 0 .460 1.66 4.76 1.167 .877 .237 2.55 .421 -.030 1 18 GR13B 1917 1996 80 3 0 .415 1.75 4.42 1.177 .911 .201 2.58 .412 .023 1 19 GR15A 1954 1996 43 1 0 .624 2.29 3.81 .811 .635 .251 2.58 .538 -.001 2 20 GR16A 1960 1996 37 1 0 .650 2.41 5.78 1.139 .742 .308 2.60 .632 .031 1 21 GR16B 1960 1996 37 1 0 .810 2.13 3.32 .708 .328 .336 2.70 .593 .001 1 22 GR18A 1939 1996 58 2 0 .700 1.88 4.90 1.070 .816 .260 2.77 .531 .149 1 23 GR18B 1934 1996 63 2 1 .411 1.65 3.64 .863 .864 .219 2.60 .554 -.004 2 24 GR19A 1964 1996 33 1 0 .508 2.29 3.69 .639 .718 .162 2.45 .481 .024 1 25 GR19B 1957 1996 40 1 0 .519 2.14 3.16 .534 .736 .157 2.55 .540 .018 1 26 GR20A 1927 1996 70 2 1 .410 2.17 5.66 1.275 .835 .273 2.47 .453 -.056 2 27 GR21A 1942 1996 55 2 1 .319 2.30 4.64 .946 .662 .279 2.84 .580 -.054 2 28 GR22A 1927 1996 70 2 0 .604 1.46 4.88 1.106 .952 .246 2.54 .451 -.014 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1448 42 3 .578 2.10 7.47 .961 .684 .251 2.84 .515 .017