Greenbrier, Arkansas - AR078 Additional Site Information D. Stevenson T. Lynch R. Heineman R. Holeman D. Wilson K. Anderson and J. Guldin Purpose of Collection: Climatology - severe weather Detrending: First - Negative exponential or linear regression of any slope Second - Linear regression with negative slope Cores are stored at: Oklahoma State University Department of Natural Resources and Environmental Management Notes: Greenbrier is a lower-hill/bottomland site about thirty feet above the level of the Petit Jean River on its south side. Aspect is north; slope is about 5 The stand is part of a growth-and-yield study ongoing since 1987 and updated at +/- 5-year intervals. It was heavily damaged in the Christmas 2000 ice storm. Chronology preparation used ARSTAN. COFECHA output: Chronology file name : AR078.CRN Measurement file name : AR078.RWL Date checked : 19AUG14 Checked by : B. Bauer Beginning year : 1946 Ending year : 2007 Principal investigators: DD. Stevenson T. Lynch R. Heineman R. Holeman D. Wilson K. Anderson and J. Guldin Site name : Greenbrier Site location : Arkansas Species information : PIEC SHORTLEAF PINE Latitude : 3501 Longitude : -09403 Elevation : 147M Series intercorrelation: 0.722 Avg mean sensitivity : 0.286 Avg standard deviation : 1.373 Avg autocorrelation : 0.782 Number dated series : 14 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Greenbriar 16:09 Tue 19 Aug 2014 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 p142t003 1949 2007 .81 .82 .77 2 p142t006 1946 2007 .79 .80 .75 3 p142t012 1949 2007 .71 .71 .65 4 p142t022 1952 2007 .66 .58 5 p142t025 1947 1952 .70 6 p142t025 1960 2007 .70 7 p142t027 1954 2007 .60 .58 8 p142t031 1954 2007 .71 .74 9 p143t001 1947 2007 .80 .81 .76 10 p143t010 1946 2007 .89 .90 .85 11 p143t019 1947 2007 .76 .76 .75 12 p144t001 1947 2007 .80 .79 .77 13 p144t002 1946 2007 .79 .78 .69 14 p144t018 1946 2004 .80 .77 .58 Av segment correlation .79 .75 .71 PART 7: DESCRIPTIVE STATISTICS: Greenbriar 16:09 Tue 19 Aug 2014 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 p142t003 1949 2007 59 3 0 .775 2.88 9.69 2.022 .887 .290 2.60 .518 -.088 1 2 p142t006 1946 2007 62 3 0 .784 2.24 7.35 1.711 .900 .344 2.50 .527 -.006 1 3 p142t012 1949 2007 59 3 0 .692 2.24 8.54 1.542 .848 .301 2.63 .430 -.016 1 4 p142t022 1952 2007 56 2 0 .603 2.19 4.86 1.068 .715 .291 2.86 .605 .046 1 5 p142t025 1947 1952 6 1 0 .702 6.62 7.92 1.501 .004 .202 2.12 .236 -.030 0 6 p142t025 1960 2007 48 1 0 .702 1.82 3.06 .591 .574 .266 2.69 .596 .037 1 7 p142t027 1954 2007 54 2 0 .566 2.35 6.17 1.173 .563 .285 2.39 .395 -.026 3 8 p142t031 1954 2007 54 2 0 .718 1.72 4.48 .949 .741 .307 2.64 .517 .025 1 9 p143t001 1947 2007 61 3 0 .784 2.67 7.37 1.361 .787 .271 2.69 .513 -.048 1 10 p143t010 1946 2007 62 3 0 .871 2.83 9.00 2.083 .896 .290 2.70 .518 -.005 1 11 p143t019 1947 2007 61 3 0 .737 2.16 6.88 1.207 .817 .268 2.52 .555 .017 1 12 p144t001 1947 2007 61 3 0 .790 1.71 5.23 .984 .801 .304 2.66 .444 -.029 1 13 p144t002 1946 2007 62 3 0 .720 2.34 5.69 1.153 .819 .251 2.77 .488 -.041 3 14 p144t018 1946 2004 59 3 0 .602 2.54 8.73 1.754 .818 .259 2.64 .518 -.044 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 764 35 0 .722 2.33 9.69 1.373 .782 .286 2.86 .506 -.015