Sinton Road House, New Zealand - newz100 Additional Site Information Gretel Boswijk Purpose of collection: Archaeology - construction (felling dates) Cores stored at: SINT (Sinton) samples are stored at the Tree-Ring Laboratory, School of Environment, University of Auckland. Available to view on site. References: Boswijk G. 2001. Tree-ring analysis of kauri samples from Sinton Road House, Auckland. Unpublished tree-ring report for Forensic and Industrial Science Ltd. Fowler AM, Boswijk G, Lorrey AM, Gergis J, Pirie M, McCloskey SPJ, Palmer JG, Wunder J. 2012. Multi-centennial tree-ring record of ENSO- related activity in New Zealand. Nature Climate Change 2:172-176. NOTES: Samples collected from the Sinton Road House, an early 20th century concrete house, as part of an archaeological investigation of the structure prior to demolition. Timber samples were obtained from in-situ roof timbers and some discarded timbers located in the roof space. One 'same-tree' pair. Raw ring width measurements (0.01 mm). COFECHA output: Chronology file name : NEWZ100.CRN Measurement file name : NEWZ100.RWL Date checked : 10SEP12 Checked by : B. Bauer Beginning year : 1711 Ending year : 1903 Principal investigators: Gretel Boswijk Site name : Sinton Road House Site location : New Zealand Species information : AGAU KAURI PINE Latitude : -3647 Longitude : 17438 Elevation : 20M Series intercorrelation: 0.572 Avg mean sensitivity : 0.287 Avg standard deviation : 0.330 Avg autocorrelation : 0.453 Number dated series : 5 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 13.64 PART 5: CORRELATION OF SERIES BY SEGMENTS: Sinton Road House 13:03 Mon 10 Sep 2012 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 1700 1725 1750 1775 1800 1825 1850 1875 1749 1774 1799 1824 1849 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SNR001 1774 1903 .53 .52 .53 .39B .36 .36 2 SNR003 1730 1802 .43 .50 .52 3 SNR010 1719 1801 .84 .70 .71 .71 4 SNR011 1711 1855 .74 .50 .57 .59 .51 .53 5 SNR013 1830 1903 .34B .34B .35 Av segment correlation .79 .54 .58 .59 .52 .42 .35 .36 PART 7: DESCRIPTIVE STATISTICS: Sinton Road House 13:03 Mon 10 Sep 2012 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 SNR001 1774 1903 130 6 1 .461 .72 1.55 .232 .373 .266 2.58 .382 -.031 1 2 SNR003 1730 1802 73 3 0 .523 1.22 2.92 .457 .791 .186 2.66 .529 .024 1 3 SNR010 1719 1801 83 4 0 .805 1.13 2.58 .466 .383 .403 2.53 .450 -.059 3 4 SNR011 1711 1855 145 6 0 .652 .68 2.29 .297 .494 .285 2.64 .393 .017 1 5 SNR013 1830 1903 74 3 2 .406 .88 1.84 .284 .257 .300 2.67 .392 .023 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 505 22 3 .572 .87 2.92 .330 .453 .287 2.67 .419 -.006