Tiwi Islands, northern Australia - AUSL060 Additional Site Information Kathryn Allen, Jonathan Palmer, Patrick Baker Reference: K.J. Allen, M.B. Freund, J.G. Palmer, R. Simkin, L. Williams, M. Brookhouse, E.R. Cook, S. Stewart, P.J. Baker. 2020. Australian drought reconstruction asymmetrically linked with Central Pacific Sea surface temperatures. Global and Planetary Change, 103329, DOI: 10.1016/j.gloplacha.2020.103329 Keywords: Drought, tree rings, standardised precipitation index, monsoonal Australian north, El-Nino Southern Oscillation Notes: Callitris intratropica ring-width data used for drought reconstruction, monsoonal north Australia Funding Sources: Australian Research Council DP087874 COFECHA output: Chronology file name : AUSL060.CRN Measurement file name : AUSL060.RWL Date checked : 28SEP20 Checked by : B. Bauer Beginning year : 1877 Ending year : 2007 Principal investigators: Kathryn Allen Jonathan Palmer Patrick Baker Site name : Tiwi Islands Site location : Australia Species information : CAIN CYPRESS PINE Latitude : -1143 Longitude : 13050 Elevation : 100M Series intercorrelation: 0.525 Avg mean sensitivity : 0.353 Avg standard deviation : 0.820 Avg autocorrelation : 0.595 Number dated series : 23 Segment length tested : 50 Number problem segments: 4 Pct problem segments : 5.13 PART 5: CORRELATION OF SERIES BY SEGMENTS: Tiwi Islands 12:28 Mon 28 Sep 2020 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TIWI1 1940 2007 .68 .60 .55 2 TIWI3N 1933 2004 .51 .44 .49 3 TIWI3S 1929 2007 .52 .55 .39 4 TIWI4S 1909 1980 .31A .41 .41 5 TIWI5S 1933 1985 .58 .59 6 TIWI5N 1933 2007 .67 .63 .58 7 TIWI6E 1893 2007 .45 .47 .41 .44 .45 8 TIWI6N 1890 1938 .69 9 TIWI6W 1890 1935 .79 10 TIWI7W 1891 2004 .43 .40 .46 .53 .61 11 TIWI7E 1892 2005 .44 .40B .52 .52 .48 12 TIWI8E 1884 2007 .61 .58 .58 .60 .60 13 TIWI8W 1877 2003 .76 .71 .53 .52 .51 14 TIWI9S 1936 1996 .36 .35 15 TIWI9N 1931 1992 .65 .52 16 TIWI10E 1930 2007 .72 .50 .53 17 TIWI13N 1935 2007 .76 .60 .59 18 TIWI14N 1955 2007 .60 .62 19 TIWI15 1947 2007 .33A .34 .46 20 TIWI22N 1888 2007 .43 .37 .19B .34 .35 21 TIWI22W 1903 2007 .72 .43 .46 .51 22 TIWI23E 1890 2007 .73 .74 .46 .42 .51 23 TIWI23N 1890 2007 .64 .62 .42 .41 .48 Av segment correlation .60 .53 .51 .49 .51 PART 7: DESCRIPTIVE STATISTICS: Tiwi Islands 12:28 Mon 28 Sep 2020 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 TIWI1 1940 2007 68 3 0 .608 1.02 2.84 .460 .486 .295 2.70 .491 -.035 1 2 TIWI3N 1933 2004 72 3 0 .462 2.18 4.73 .710 .334 .272 2.48 .341 -.098 2 3 TIWI3S 1929 2007 79 3 0 .339 2.25 4.91 .856 .318 .350 2.56 .407 -.034 1 4 TIWI4S 1909 1980 72 3 1 .299 1.41 4.47 .858 .637 .414 2.61 .483 -.054 1 5 TIWI5S 1933 1985 53 2 0 .587 1.87 3.36 .674 .278 .381 2.36 .436 -.055 1 6 TIWI5N 1933 2007 75 3 0 .575 1.71 3.44 .779 .654 .284 2.40 .368 -.055 1 7 TIWI6E 1893 2007 115 5 0 .428 1.69 4.27 .947 .752 .357 2.56 .379 .018 1 8 TIWI6N 1890 1938 49 1 0 .689 2.00 3.71 .843 .483 .308 2.47 .472 -.004 1 9 TIWI6W 1890 1935 46 1 0 .788 2.05 3.52 .634 .034 .306 2.48 .438 -.005 2 10 TIWI7W 1891 2004 114 5 0 .452 .92 2.15 .453 .636 .383 2.48 .420 .022 1 11 TIWI7E 1892 2005 114 5 1 .434 .99 2.40 .479 .548 .413 2.62 .540 .114 1 12 TIWI8E 1884 2007 124 5 0 .624 .93 4.77 .882 .875 .397 2.69 .417 -.036 1 13 TIWI8W 1877 2003 127 5 0 .669 1.06 3.44 .667 .718 .384 2.41 .427 -.051 1 14 TIWI9S 1936 1996 61 2 0 .305 4.88 11.55 2.214 .528 .252 3.10 .512 .050 1 15 TIWI9N 1931 1992 62 2 0 .492 4.01 9.16 1.314 .351 .230 2.76 .366 -.037 1 16 TIWI10E 1930 2007 78 3 0 .615 1.65 2.65 .506 .475 .284 2.53 .485 -.005 1 17 TIWI13N 1935 2007 73 3 0 .683 2.29 4.77 .809 .625 .259 2.57 .407 -.061 1 18 TIWI14N 1955 2007 53 2 0 .608 2.50 5.05 1.084 .614 .342 2.43 .430 -.091 1 19 TIWI15 1947 2007 61 3 1 .336 1.73 5.20 1.038 .562 .336 3.04 .479 -.111 1 20 TIWI22N 1888 2007 120 5 1 .372 1.34 5.24 .910 .711 .421 2.56 .453 .031 1 21 TIWI22W 1903 2007 105 4 0 .618 1.33 3.66 .764 .651 .383 2.64 .420 .009 1 22 TIWI23E 1890 2007 118 5 0 .643 1.14 3.65 .703 .729 .379 2.71 .473 .020 2 23 TIWI23N 1890 2007 118 5 0 .537 1.51 5.22 .933 .700 .414 2.64 .429 .049 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1957 78 4 .525 1.68 11.55 .820 .595 .353 3.10 .437 -.010