Onekura Bluff, Puketi Forest, New Zealand - newz078 Additional information Moinuddin Ahmed and John Ogden Purpose of Collection: Ecology - age structure Detrend method: ARSTAN: Smoothing spline with 200 cutoff Cores are stored at: Tree-Ring Lab School of Geography, Geology and Environmental Science The University of Auckland 10 Symonds Street Auckland, New Zealand Cores available to view at the lab. References: Cores originally collected for ecology and climatological investigations of kauri: Ahmed, M. and J. Ogden. 1985. Modern New Zealand Tree-ring Chronologies III: Agathis australis (Salisb.) - kauri. Tree-ring Bulletin 45: 11-24 Revised data set: Fowler, A., Boswijk, G., and Ogden, J. 2003. Tree-Ring studies on Agathis australis (kauri): A synthesis of development work on late Holocene chronologies. Tree-Ring Research, 60(1): 15-29 Data standardised with 200 yr spline for: Fowler, A., Boswijk, G., Gergis, J and Lorrey, A. 2008. ENSO history recorded in Agathis australis (kauri) tree rings. Part A: kauri's potential as an ENSO proxy. International Journal of Climatology 28: 1-20 COFECHA output: Chronology file name : NEWZ078.CRN Measurement file name : NEWZ078.RWL Date checked : 19FEB09 Checked by : B. Bauer Beginning year : 1675 Ending year : 1981 Principal investigators: Moinuddin Ahmed John Ogden Site name : Onekura Bluff, Puketi Forest Site location : New Zealand Species information : AGAU KAURI PINE Latitude : -3511 Longitude : 17345 Elevation : 305M Series intercorrelation: 0.625 Avg mean sensitivity : 0.389 Avg standard deviation : 0.712 Avg autocorrelation : 0.472 Number dated series : 19 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.88 PART 5: CORRELATION OF SERIES BY SEGMENTS: Onekura Bluff 16:54 Thu 19 Feb 2009 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PBL0271 1830 1981 .53 .56 .62 .67 .66 .68 2 PBL0272 1854 1981 .49 .39 .63 .66 .68 3 PBL0273 1798 1981 .49 .50 .74 .74 .77 .79 .74 .76 4 PBL0281 1810 1981 .45 .54 .62 .78 .78 .68 .70 5 PBL0282 1876 1981 .69 .81 .77 .76 6 PBL0311 1868 1981 .52 .64 .69 .59 .59 7 PBL0313 1856 1981 .68 .70 .61 .39 .44 8 PBL0322 1859 1981 .37 .27A .40 .48 .47 9 PBL0331 1870 1981 .42 .39 .76 .73 .72 10 PBL0332 1862 1981 .59 .64 .74 .65 .57 11 PBL0333 1900 1981 .43 .79 .77 12 PBL0341 1828 1981 .55 .75 .71 .72 .78 .78 13 PBL0342 1776 1981 .61 .62 .76 .81 .80 .76 .72 .73 14 PBL0343 1830 1981 .61 .73 .80 .81 .71 .72 15 PBL0361 1880 1981 .72 .72 .66 .68 16 PBL0362 1764 1981 .59 .52 .56 .67 .60 .62 .62 .64 .68 17 PBL0363 1894 1981 .51 .55 .53 .61 18 PBL0371 1675 1981 .62 .62 .75 .63 .48 .59 .71 .56 .61 19 PBL0373 1770 1981 .58 .68 .69 .77 .66 .67 .66 .53 .53 Av segment correlation .60 .59 .59 .64 .60 .63 .68 .65 .66 PART 7: DESCRIPTIVE STATISTICS: Onekura Bluff 16:54 Thu 19 Feb 2009 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 PBL0271 1830 1981 152 6 0 .622 .53 1.63 .296 .309 .537 2.73 .524 -.029 1 2 PBL0272 1854 1981 128 5 0 .565 2.16 4.64 1.059 .560 .402 2.76 .540 -.040 1 3 PBL0273 1798 1981 184 8 0 .669 1.54 4.16 .787 .587 .367 2.75 .494 -.028 1 4 PBL0281 1810 1981 172 7 0 .630 1.16 2.86 .448 .419 .353 2.63 .370 -.046 1 5 PBL0282 1876 1981 106 4 0 .732 2.20 4.59 .845 .359 .371 2.79 .528 .018 1 6 PBL0311 1868 1981 114 5 0 .586 1.80 4.93 .723 .126 .401 3.03 .558 .061 1 7 PBL0313 1856 1981 126 5 0 .587 2.32 5.07 .944 .123 .439 2.73 .502 .009 1 8 PBL0322 1859 1981 123 5 1 .427 2.20 5.34 1.011 .433 .384 2.81 .491 -.086 2 9 PBL0331 1870 1981 112 5 0 .554 2.05 4.17 .827 .554 .311 2.58 .477 -.003 2 10 PBL0332 1862 1981 120 5 0 .638 2.16 5.47 .875 .720 .258 2.69 .515 -.024 1 11 PBL0333 1900 1981 82 3 0 .506 2.18 4.34 .738 .597 .256 2.56 .395 -.066 2 12 PBL0341 1828 1981 154 6 0 .683 1.84 3.98 .624 .369 .292 2.77 .501 -.018 1 13 PBL0342 1776 1981 206 8 0 .728 1.47 3.16 .491 .398 .286 2.85 .493 .006 1 14 PBL0343 1830 1981 152 6 0 .705 1.82 6.02 .832 .451 .346 2.84 .465 -.056 1 15 PBL0361 1880 1981 102 4 0 .685 1.25 3.93 .695 .357 .468 3.05 .592 .079 1 16 PBL0362 1764 1981 218 9 0 .615 1.30 3.84 .645 .516 .362 2.88 .491 -.043 3 17 PBL0363 1894 1981 88 4 0 .553 2.02 4.83 1.152 .698 .366 2.95 .629 -.033 1 18 PBL0371 1675 1981 307 9 0 .600 1.07 3.22 .617 .558 .493 2.62 .381 -.030 4 19 PBL0373 1770 1981 212 9 0 .638 .97 3.40 .621 .678 .513 2.85 .490 -.066 5 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2858 113 1 .625 1.57 6.02 .712 .472 .389 3.05 .485 -.024