Xiaoxi Valley, China - chin015 Additional Site Information Paul Krusic, Jinbao Li, Jianfeng Peng, Keyan Fang, and Edward Cook Purpose of Collection: Climatology - precipitation analysis Reference: Cook, E.R., K.J. Anchukaitis, B.M. Buckley, R.D. D'Arrigo, G.C. Jacoby, and W.E. Wright. 2010. Asian Monsoon Failure and Megadrought During the Last Millennium. Science, Vol. 328, Issue 5977, pp.486-489, 23 April 2010. DOI: 10.1126/science.1185188 COFECHA output: Chronology file name : CHIN015.CRN Measurement file name : CHIN015.RWL Date checked : 27OCT11 Checked by : B. Bauer Beginning year : 1706 Ending year : 2004 Principal investigators: Paul Krusic Jinbao Li Jianfeng Peng Keyan Fang Edward Cook Site name : Xiaoxi Valley Site location : China Species information : PCSH SHRENK'S SPRUCE Latitude : 4347 Longitude : 8618 Elevation : 1878M Series intercorrelation: 0.703 Avg mean sensitivity : 0.290 Avg standard deviation : 0.645 Avg autocorrelation : 0.782 Number dated series : 44 Segment length tested : 50 Number problem segments: 18 Pct problem segments : 6.52 PART 5: CORRELATION OF SERIES BY SEGMENTS: Xiaoxi Valley 15:35 Thu 27 Oct 2011 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 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 XIA01A 1842 2004 .27A .40 .47 .66 .75 .55 .58 2 XIA01B 1894 2004 .53 .64 .66 .47 .49 3 XIA02A 1890 2004 .65 .71 .45 .01B .01B 4 XIA02B 1859 2004 .90 .82 .65 .47 .20A .22A 5 XIA03A 1842 2004 .32B .33B .58 .74 .73 .72 .74 6 XIA03B 1866 2004 .53 .56 .62 .63 .77 .77 7 XIA04A 1917 2004 .46 .49 .63 .65 8 XIA04B 1853 2004 .30B .44 .35 .58 .44 .47 9 XIA06A 1868 2004 .49 .51 .65 .79 .83 .84 10 XIA06B 1896 2004 .78 .79 .83 .81 .81 11 XIA07A 1866 2004 .57 .59 .82 .87 .86 .83 12 XIA07B 1860 2004 .60 .72 .89 .91 .87 .84 13 XIA08A 1871 2004 .72 .74 .77 .76 .86 .82 14 XIA08B 1890 2004 .72 .73 .76 .88 .81 15 XIA09A 1900 2004 .71 .66 .32A .27A 16 XIA09B 1858 2004 .46 .56 .69 .58 .44 .36 17 XIA10A 1858 2004 .80 .88 .90 .83 .81 .81 18 XIA10B 1859 2004 .76 .83 .88 .85 .86 .85 19 XIA11A 1865 2004 .38B .27B .59 .77 .75 .73 20 XIA11B 1869 2004 .07B .09B .51 .77 .70 .74 21 XIA12A 1724 2004 .90 .92 .93 .87 .86 .86 .88 .88 .76 .72 .84 .85 22 XIA12B 1706 2004 .91 .94 .92 .82 .82 .87 .91 .89 .84 .85 .85 .86 23 XIA13A 1862 2004 .41 .48 .67 .69 .46 .47 24 XIA13B 1853 2004 .41 .60 .68 .34 .18B .22A 25 XIA14A 1711 2004 .78 .84 .81 .71 .70 .79 .86 .82 .69 .71 .81 .81 26 XIA14B 1863 2004 .86 .80 .64 .65 .81 .82 27 XIA14C 1867 2004 .85 .80 .72 .74 .80 .81 28 XIA15A 1926 2004 .66 .49 .51 29 XIA15B 1889 2004 .52 .65 .56 .20A .30A 30 XIA16A 1834 2004 .67 .79 .86 .84 .79 .86 .88 31 XIA16B 1874 2004 .78 .81 .74 .81 .89 .88 32 XIA17A 1786 2004 .56 .62 .86 .93 .92 .86 .85 .84 .81 33 XIA17B 1786 2004 .71 .72 .79 .89 .91 .89 .80 .77 .75 34 XIA18A 1888 2004 .78 .78 .82 .90 .89 35 XIA18B 1880 2004 .79 .75 .78 .87 .86 36 XIA19A 1866 2004 .47 .77 .78 .84 .87 .88 37 XIA19B 1846 2004 .37 .37 .83 .75 .72 .81 .82 38 XIA20A 1849 2004 .69 .69 .79 .86 .85 .87 .87 39 XIA20B 1882 2004 .71 .73 .77 .88 .88 40 XIA21A 1920 2004 .66 .63 .70 .73 41 XIA22A 1706 1872 .84 .90 .86 .63 .58 .69 42 XIA26A 1851 2004 .75 .86 .80 .71 .79 .79 43 XIA30A 1874 2004 .88 .89 .86 .73 .81 .82 44 XIA32A 1863 2004 .47 .42 .70 .76 .73 .73 Av segment correlation .86 .90 .88 .72 .71 .65 .63 .69 .72 .72 .69 .70 PART 7: DESCRIPTIVE STATISTICS: Xiaoxi Valley 15:35 Thu 27 Oct 2011 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 XIA01A 1842 2004 163 7 1 .495 1.52 3.19 .653 .911 .153 2.59 .299 .056 3 2 XIA01B 1894 2004 111 5 0 .539 1.56 3.26 .774 .886 .184 2.57 .433 -.036 3 3 XIA02A 1890 2004 115 5 2 .382 1.58 5.80 1.302 .956 .275 2.62 .576 .035 1 4 XIA02B 1859 2004 146 6 2 .559 1.43 3.80 .815 .902 .241 2.41 .341 .011 1 5 XIA03A 1842 2004 163 7 2 .613 1.56 3.23 .598 .755 .215 2.62 .475 -.020 4 6 XIA03B 1866 2004 139 6 0 .646 1.92 4.12 .656 .714 .188 2.88 .481 -.019 4 7 XIA04A 1917 2004 88 4 0 .597 2.22 4.53 1.048 .779 .219 2.79 .540 .048 1 8 XIA04B 1853 2004 152 6 1 .382 1.45 7.68 1.318 .892 .289 2.86 .460 -.016 1 9 XIA06A 1868 2004 137 6 0 .701 2.17 4.30 .899 .759 .242 2.58 .420 .028 2 10 XIA06B 1896 2004 109 5 0 .803 2.41 5.14 1.014 .782 .231 2.48 .437 -.019 2 11 XIA07A 1866 2004 139 6 0 .735 1.35 2.82 .492 .788 .204 2.63 .464 .109 1 12 XIA07B 1860 2004 145 6 0 .793 1.42 4.16 .599 .828 .191 2.75 .442 .010 2 13 XIA08A 1871 2004 134 6 0 .768 2.70 6.16 1.221 .752 .274 2.46 .414 -.057 2 14 XIA08B 1890 2004 115 5 0 .784 1.95 4.74 .999 .840 .243 2.51 .397 -.057 2 15 XIA09A 1900 2004 105 4 2 .510 2.23 4.81 .942 .894 .155 2.52 .375 .036 2 16 XIA09B 1858 2004 147 6 0 .519 1.76 3.97 .844 .888 .170 2.49 .315 -.011 2 17 XIA10A 1858 2004 147 6 0 .827 1.97 5.70 1.421 .918 .238 2.43 .400 -.002 1 18 XIA10B 1859 2004 146 6 0 .823 1.77 4.58 1.189 .888 .253 2.42 .393 -.006 1 19 XIA11A 1865 2004 140 6 2 .549 1.58 3.45 .595 .786 .196 2.59 .408 .008 2 20 XIA11B 1869 2004 136 6 2 .525 1.86 3.90 .751 .762 .223 2.46 .373 .081 1 21 XIA12A 1724 2004 281 12 0 .856 .50 1.63 .329 .864 .359 2.47 .325 -.033 2 22 XIA12B 1706 2004 299 12 0 .847 .53 2.53 .351 .855 .364 2.43 .257 -.012 1 23 XIA13A 1862 2004 143 6 0 .522 1.96 3.18 .450 .756 .121 2.84 .507 -.011 3 24 XIA13B 1853 2004 152 6 2 .415 1.43 3.70 .709 .829 .174 2.49 .333 -.005 1 25 XIA14A 1711 2004 294 12 0 .779 .84 4.61 .660 .892 .353 2.60 .359 -.015 1 26 XIA14B 1863 2004 142 6 0 .809 .88 2.67 .494 .826 .327 2.49 .373 -.009 1 27 XIA14C 1867 2004 138 6 0 .789 .80 2.32 .475 .859 .338 2.46 .353 -.014 1 28 XIA15A 1926 2004 79 3 0 .616 1.57 2.91 .512 .833 .148 2.60 .490 .011 1 29 XIA15B 1889 2004 116 5 2 .481 2.32 4.74 .924 .883 .137 2.63 .435 .015 1 30 XIA16A 1834 2004 171 7 0 .814 .70 1.68 .373 .591 .458 2.62 .502 -.034 2 31 XIA16B 1874 2004 131 6 0 .834 .63 1.61 .335 .552 .473 2.57 .472 .008 1 32 XIA17A 1786 2004 219 9 0 .791 1.03 2.68 .568 .757 .354 2.52 .383 -.010 2 33 XIA17B 1786 2004 219 9 0 .805 .92 2.41 .404 .487 .376 2.76 .395 .001 2 34 XIA18A 1888 2004 117 5 0 .844 .81 2.05 .403 .651 .389 2.58 .451 -.020 1 35 XIA18B 1880 2004 125 5 0 .816 .76 1.94 .352 .675 .381 2.74 .477 .019 3 36 XIA19A 1866 2004 139 6 0 .639 1.79 3.95 .661 .641 .276 2.43 .273 .006 2 37 XIA19B 1846 2004 159 7 0 .602 1.25 3.80 .648 .775 .263 2.55 .283 -.011 1 38 XIA20A 1849 2004 156 7 0 .846 .53 1.29 .258 .571 .423 2.40 .337 -.045 1 39 XIA20B 1882 2004 123 5 0 .821 .60 2.72 .487 .756 .524 2.63 .433 -.067 1 40 XIA21A 1920 2004 85 4 0 .747 .92 1.68 .311 .423 .292 2.68 .549 .051 5 41 XIA22A 1706 1872 167 6 0 .798 .45 2.90 .478 .915 .419 2.67 .388 -.016 1 42 XIA26A 1851 2004 154 6 0 .781 .51 1.22 .234 .595 .329 2.41 .329 -.017 1 43 XIA30A 1874 2004 131 6 0 .856 .65 1.50 .287 .629 .348 2.55 .435 -.009 1 44 XIA32A 1863 2004 142 6 0 .659 1.05 2.69 .667 .917 .278 2.45 .319 -.027 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6559 276 18 .703 1.27 7.68 .645 .782 .290 2.88 .395 -.004