Kawhia, New Zealand - newz087 Additional information Brendan Buckley, John Ogden, and Jonathan Palmer Purpose of Collection: Climatology 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: Reviewed by: Fowler, A., Boswijk, G. and Ogden, J. 2004. Tree-Ring Studies on Agathis australis (kauri): A Synthesis of Development Work on Late Holocene Chronologies. Tree-Ring Research 60(1): 15-29 For further details see: Fowler, A.M., 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 NOTES: Cores collected for climatology by Buckley et al in 1999. Kawhia is located on the west coast of the Waikato at the southern limit of kauri growth. A stand of predominantly young trees was sampled. COFECHA output: Chronology file name : NEWZ087.CRN Measurement file name : NEWZ087.RWL Date checked : 20FEB09 Checked by : B. Bauer Beginning year : 1710 Ending year : 1996 Principal investigators: Brendan Buckley John Ogden Jonathan Palmer Site name : Kawhia Site location : New Zealand Species information : AGAU KAURI PINE Latitude : -3755 Longitude : 17455 Elevation : 80M Series intercorrelation: 0.457 Avg mean sensitivity : 0.260 Avg standard deviation : 1.076 Avg autocorrelation : 0.788 Number dated series : 19 Segment length tested : 50 Number problem segments: 13 Pct problem segments : 15.12 PART 5: CORRELATION OF SERIES BY SEGMENTS: Kawhia 14:52 Fri 20 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 1775 1800 1825 1850 1875 1900 1925 1950 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 KAW0012 1806 1996 .43 .55 .61 .48 .47 .40 .29A 2 KAW0013 1849 1996 .51 .52 .63 .53 .33A .50 3 KAW0061 1930 1996 .52 .55 4 KAW0062 1930 1996 .65 .58 5 KAW0081 1900 1996 .35B .62 .69 6 KAW0082 1910 1996 .38 .54 .52 7 KAW0101 1930 1996 .47 .57 8 KAW0102 1940 1996 .48 .55 9 KAW0131 1888 1996 .59 .50 .42 .59 10 KAW0132 1814 1996 .42 .44 .33 .22B .34 .55 .50 11 KAW0141 1840 1996 .46 .53 .38 .22B .37 .50 12 KAW0142 1834 1996 .45 .48 .55 .52 .51 .53 13 KAW0151 1940 1996 .48 .43 14 KAW0152 1910 1996 .24B .45 .37 15 KAW0161 1887 1996 .25B .27A .55 .50 16 KAW0191 1909 1996 .54 .51 .48 17 KAW0212 1710 1996 .43 .35 .40 .42 .66 .65 .37 .38 18 KAW0213 1790 1996 .53 .40 .43 .45 .72 .65 .30B .27A 19 KAW0214 1791 1995 .41 .36 .25A .20B .55 .66 .32A .51 Av segment correlation .46 .39 .44 .44 .50 .45 .47 .49 PART 7: DESCRIPTIVE STATISTICS: Kawhia 14:52 Fri 20 Feb 2009 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 KAW0012 1806 1996 191 7 1 .443 1.67 6.00 1.063 .805 .277 2.60 .356 .003 1 2 KAW0013 1849 1996 148 6 1 .508 2.09 4.59 .632 .526 .231 2.71 .418 .013 1 3 KAW0061 1930 1996 67 2 0 .536 2.39 6.09 1.272 .753 .263 2.78 .557 -.081 3 4 KAW0062 1930 1996 67 2 0 .615 4.41 9.13 2.101 .734 .300 2.84 .612 .082 1 5 KAW0081 1900 1996 97 3 1 .504 2.67 4.66 .902 .736 .203 2.61 .428 -.013 4 6 KAW0082 1910 1996 87 3 0 .467 3.85 6.71 1.232 .814 .161 2.47 .450 .162 1 7 KAW0101 1930 1996 67 2 0 .489 2.31 4.54 .872 .511 .368 2.60 .611 -.022 1 8 KAW0102 1940 1996 57 2 0 .549 3.32 6.58 1.230 .640 .290 2.42 .384 -.017 1 9 KAW0131 1888 1996 109 4 0 .555 3.24 8.82 1.800 .826 .274 2.71 .499 -.009 3 10 KAW0132 1814 1996 183 7 1 .375 1.58 5.56 1.147 .844 .314 2.67 .400 -.062 3 11 KAW0141 1840 1996 157 6 1 .395 2.01 4.97 1.061 .854 .276 2.47 .302 -.006 3 12 KAW0142 1834 1996 163 6 0 .483 2.02 4.44 1.130 .830 .340 2.51 .467 -.018 3 13 KAW0151 1940 1996 57 2 0 .450 2.02 3.90 .753 .720 .217 2.97 .517 -.066 2 14 KAW0152 1910 1996 87 3 1 .299 4.06 6.61 1.188 .719 .172 2.54 .463 .008 3 15 KAW0161 1887 1996 110 4 2 .351 2.65 5.48 1.118 .858 .187 2.73 .507 -.006 1 16 KAW0191 1909 1996 88 3 0 .503 1.81 3.71 .921 .726 .330 2.56 .511 -.023 2 17 KAW0212 1710 1996 287 8 0 .470 1.44 4.47 .883 .849 .277 2.45 .232 .048 2 18 KAW0213 1790 1996 207 8 2 .472 2.06 4.67 .681 .786 .193 2.50 .328 -.007 4 19 KAW0214 1791 1995 205 8 3 .418 1.92 6.38 1.326 .940 .242 2.35 .230 -.006 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2434 86 13 .457 2.24 9.13 1.076 .788 .260 2.97 .392 .001