UM Biological Station Flux Site ACRU, Michigan - MI026 Additional Site Information J.T. Maxwell T.E. Mandra K.A. Novick Reference: Maxwell, J.T., Harley, G.L., Mandra, T.E., Yi, K., Kannenberg, S.A., Au, T.F., Robeson, S.M., Pederson, N., Sauer, P.E., Novick, K.A.. 2019. Higher CO2 Concentrations and Lower Acidic Deposition Have Not Changed Drought Response in Tree Growth But Do Influence iWUE in Hardwood Trees in the Midwestern United States. Journal of Geophysical Research: Biogeosciences, vol. 124 (12), pp. 3798-3813. doi: 10.1029/2019JG005298 Keywords: Climate response, SO4, N, CO2, Climatic Water Balance, Eastern Deciduous Forest Notes: Influence of climate, pollution, and CO2 on tree growth Funding: USDA Agriculture and Food Research Initiative Grant 2017-67013-26191 COFECHA output: Chronology file name : MI026.CRN Measurement file name : MI026.RWL Date checked : 22JUL20 Checked by : B. Bauer Beginning year : 1919 Ending year : 2016 Principal investigators: J.T. Maxwell T.E. Mandra K.A. Novick Site name : UM Biological Station Flux Site Site location : Michigan Species information : ACRU RED MAPLE Latitude : 4534 Longitude : -08443 Elevation : 234M Series intercorrelation: 0.636 Avg mean sensitivity : 0.281 Avg standard deviation : 0.575 Avg autocorrelation : 0.703 Number dated series : 9 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: UMBS Flux Site ACRU 13:47 Wed 22 Jul 2020 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 1925 1950 1975 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ACRU1A 1934 2016 .63 .83 .75 2 ACRU1B 1950 2016 .77 .63 3 ACRU3A 1938 2016 .72 .62 .47 4 ACRU3B 1937 2016 .68 .62 .61 5 ACRU4A 1932 2016 .69 .66 .40 6 ACRU 6A 1919 2016 .73 .65 .53 7 ACRU 6B 1950 2016 .50 .53 8 ACRU 7A 1926 2016 .80 .77 .73 9 ACRU 7B 1943 2016 .68 .73 .67 Av segment correlation .70 .68 .59 PART 7: DESCRIPTIVE STATISTICS: UMBS Flux Site ACRU 13:47 Wed 22 Jul 2020 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 ACRU1A 1934 2016 83 3 0 .641 1.03 2.49 .464 .636 .281 2.84 .550 .059 1 2 ACRU1B 1950 2016 67 2 0 .679 1.12 2.38 .560 .649 .295 2.74 .412 -.011 1 3 ACRU3A 1938 2016 79 3 0 .651 1.33 3.71 .974 .855 .278 2.52 .412 .009 1 4 ACRU3B 1937 2016 80 3 0 .636 1.33 2.73 .670 .746 .288 2.50 .394 -.004 2 5 ACRU4A 1932 2016 85 3 0 .583 1.19 2.86 .687 .813 .259 2.57 .512 -.075 1 6 ACRU 6A 1919 2016 98 3 0 .621 1.37 3.11 .482 .586 .246 2.70 .403 -.030 1 7 ACRU 6B 1950 2016 67 2 0 .448 .86 2.03 .452 .703 .330 2.70 .575 -.033 1 8 ACRU 7A 1926 2016 91 3 0 .736 1.17 2.19 .481 .675 .286 2.66 .507 .030 1 9 ACRU 7B 1943 2016 74 3 0 .700 .85 2.05 .403 .686 .282 2.69 .427 -.014 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 724 25 0 .636 1.15 3.71 .575 .703 .281 2.84 .465 -.007