Cold Springs, Arkansas - AR077 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: Reference: Douglas J. Stevenson, Thomas B. Lynch, Pradip Saud, Robert Heineman, Randal Holeman, Dennis Wilson, Keith Anderson, Chris Cerny, James M. Guldin. 2016. Winter in the Ouchitas - A severe winter storm signature in Pinus echinata in the Ouachita Mountains of Oklahoma and Arkansas, USA. Dendrochronologia, 37, 107-115. doi: 10.1016/j.dendro.2016.01.001 COFECHA output: Chronology file name : AR077.CRN Measurement file name : AR077.RWL Date checked : 19AUG14 Checked by : B. Bauer Beginning year : 1941 Ending year : 2008 Principal investigators: D. Stevenson T. Lynch R. Heineman R. Holeman D. Wilson K. Anderson and J. Guldin Site name : Cold Springs Site location : Arkansas Species information : PIEC SHORTLEAF PINE Latitude : 3503 Longitude : -09353 Elevation : 154M Series intercorrelation: 0.724 Avg mean sensitivity : 0.322 Avg standard deviation : 1.232 Avg autocorrelation : 0.781 Number dated series : 24 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 6.25 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cold Springs 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 p157t001 1949 2007 .81 .81 .75 2 p157t002 1947 2005 .57 .56 .57 3 p158t003 1945 2007 .80 .86 .78 4 p158t006 1946 1962 .90 5 p158t006 1970 1994 .50B 6 p158t010 1943 2007 .58 .74 .77 7 p158t013 1944 2007 .80 .81 .81 8 p158t015 1941 2007 .79 .82 .75 9 p158t016 1944 2007 .73 .70 .57 10 p158t017 1948 2007 .17B .17B .24B 11 p158t019 1947 2007 .88 .90 .88 12 p158t022 1949 2007 .87 .87 .78 13 p158t030 1945 2007 .71 .71 .71 14 p158t038 1950 2007 .76 .79 15 p159t001 1954 2007 .82 .86 16 p159t003 1947 2007 .70 .70 .62 17 p159t020 1947 2007 .82 .83 .78 18 p160t002 1952 2008 .73 .73 19 p160t008 1946 2005 .62 .60 .55 20 p160t011 1945 2008 .72 .69 .61 21 p160t014 1949 2008 .78 .79 .79 22 p160t022 1947 2008 .81 .81 .74 23 p160t024 1944 2008 .85 .86 .88 24 p160t046 1951 2008 .84 .87 Av segment correlation .73 .73 .72 PART 7: DESCRIPTIVE STATISTICS: Cold Springs 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 p157t001 1949 2007 59 3 0 .752 3.29 6.86 1.311 .731 .275 2.57 .633 -.063 1 2 p157t002 1947 2005 59 3 0 .580 2.83 10.10 1.792 .697 .414 2.62 .502 .110 1 3 p158t003 1945 2007 63 3 0 .784 1.46 7.94 1.717 .868 .401 2.52 .380 -.033 1 4 p158t006 1946 1962 17 1 0 .899 3.42 7.09 1.992 .868 .253 2.63 .688 .012 1 5 p158t006 1970 1994 25 1 1 .499 .48 1.35 .322 .728 .258 2.63 .536 .095 1 6 p158t010 1943 2007 65 3 0 .612 2.08 6.95 1.374 .858 .298 2.65 .673 -.021 1 7 p158t013 1944 2007 64 3 0 .807 1.93 7.48 1.166 .743 .282 2.72 .511 .014 1 8 p158t015 1941 2007 67 3 0 .765 1.67 5.31 1.041 .714 .368 2.71 .462 -.079 1 9 p158t016 1944 2007 64 3 0 .636 2.13 10.19 2.002 .907 .364 2.87 .602 -.028 1 10 p158t017 1948 2007 60 3 3 .323 1.05 4.77 1.001 .913 .359 2.52 .439 .012 1 11 p158t019 1947 2007 61 3 0 .890 1.89 7.89 1.279 .811 .286 2.58 .532 -.029 1 12 p158t022 1949 2007 59 3 0 .797 1.92 4.64 .846 .657 .292 2.70 .576 .012 1 13 p158t030 1945 2007 63 3 0 .706 1.65 6.42 1.241 .812 .322 2.48 .480 -.027 1 14 p158t038 1950 2007 58 2 0 .749 2.44 6.90 1.152 .693 .294 2.56 .532 .019 1 15 p159t001 1954 2007 54 2 0 .820 1.96 3.26 .773 .723 .261 2.67 .530 -.032 1 16 p159t003 1947 2007 61 3 0 .731 1.74 7.55 1.444 .848 .365 2.52 .465 -.030 1 17 p159t020 1947 2007 61 3 0 .801 2.19 5.63 1.021 .750 .282 2.49 .487 -.022 4 18 p160t002 1952 2008 57 2 0 .720 1.36 3.52 .626 .689 .256 2.65 .506 -.052 1 19 p160t008 1946 2005 60 3 0 .575 1.45 4.87 1.282 .897 .353 2.60 .486 -.058 1 20 p160t011 1945 2008 64 3 0 .665 1.02 6.79 1.091 .758 .366 2.91 .642 -.055 2 21 p160t014 1949 2008 60 3 0 .740 2.41 9.83 1.778 .842 .315 2.77 .544 .036 1 22 p160t022 1947 2008 62 3 0 .792 1.43 5.66 1.104 .822 .360 2.49 .432 .008 1 23 p160t024 1944 2008 65 3 0 .859 2.40 5.43 1.114 .666 .284 2.84 .538 .102 1 24 p160t046 1951 2008 58 2 0 .863 1.42 5.37 .988 .768 .327 2.52 .493 -.063 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1386 64 4 .724 1.89 10.19 1.232 .781 .322 2.91 .523 -.010