UM Biological Station Flux Site PPGR, Michigan - MI027 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 : MI027.CRN Measurement file name : MI027.RWL Date checked : 22JUL20 Checked by : B. Bauer Beginning year : 1938 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 : PPGR BIGTOOTH ASPEN Latitude : 4534 Longitude : -08443 Elevation : 234M Series intercorrelation: 0.452 Avg mean sensitivity : 0.262 Avg standard deviation : 0.608 Avg autocorrelation : 0.579 Number dated series : 8 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 5.26 PART 5: CORRELATION OF SERIES BY SEGMENTS: UMBS Flux Site PPGR 13:49 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 POGR3 1950 2016 .33 .54 2 POGR5A 1950 2016 .46 .47 3 POGR1A 1950 2016 .58 .61 4 POGR1B 1955 2016 .46 .50 5 POGR6A 1950 2016 .38 .51 6 POGR2B 1938 2016 .41 .41 .60 7 POGR2A 1938 2016 .42 .34 .58 8 POGR4 1940 2016 .32A .48 .56 Av segment correlation .38 .43 .55 PART 7: DESCRIPTIVE STATISTICS: UMBS Flux Site PPGR 13:49 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 POGR3 1950 2016 67 2 0 .383 1.91 3.24 .593 .563 .257 2.61 .493 .004 1 2 POGR5A 1950 2016 67 2 0 .405 1.77 3.65 .765 .684 .256 2.58 .523 -.139 2 3 POGR1A 1950 2016 67 2 0 .550 1.23 2.86 .488 .710 .247 2.69 .493 -.028 2 4 POGR1B 1955 2016 62 2 0 .418 1.33 2.76 .472 .463 .299 2.76 .582 .055 2 5 POGR6A 1950 2016 67 2 0 .390 1.09 1.88 .381 .692 .239 2.52 .511 -.048 2 6 POGR2B 1938 2016 79 3 0 .495 2.07 3.84 .683 .529 .270 2.56 .496 .015 1 7 POGR2A 1938 2016 79 3 0 .515 2.10 4.48 .783 .618 .265 2.62 .587 .004 1 8 POGR4 1940 2016 77 3 1 .442 1.93 4.03 .641 .393 .265 2.84 .409 -.098 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 565 19 1 .452 1.70 4.48 .608 .579 .262 2.84 .511 -.030