Xiangcheng Maxiong Valley, Sichuan, China - chin019 Additional Site Information Jinbao Li, Keyan Fang, Yang Tao, 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 : CHIN019.CRN Measurement file name : CHIN019.RWL Date checked : 28OCT11 Checked by : B. Bauer Beginning year : 1509 Ending year : 2006 Principal investigators: Jinbao Li Keyan Fang Yang Tao Edward Cook Site name : Xiangcheng Maxiong Valley Site location : China Species information : ABFO CHINESE FIR Latitude : 2909 Longitude : 9956 Elevation : 3530M Series intercorrelation: 0.796 Avg mean sensitivity : 0.321 Avg standard deviation : 0.391 Avg autocorrelation : 0.733 Number dated series : 56 Segment length tested : 50 Number problem segments: 2 Pct problem segments : 0.31 PART 5: CORRELATION OF SERIES BY SEGMENTS: Xiangcheng Maxiong Valley 09:43 Fri 28 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 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 MAX01A 1820 2006 .84 .85 .88 .85 .79 .73 .61 .52 2 MAX02A 1615 2006 .55 .62 .66 .81 .86 .79 .77 .74 .74 .86 .96 .90 .75 .75 .48 .43 3 MAX02B 1736 1834 .84 .84 .83 .76 4 MAX02C 1894 2006 .84 .84 .81 .53 .51 5 MAX03A 1565 2006 .80 .79 .77 .82 .88 .81 .74 .67 .81 .85 .77 .79 .87 .88 .90 .90 .86 .89 6 MAX03B 1548 2006 .75 .75 .83 .70 .72 .83 .78 .82 .76 .72 .73 .73 .75 .85 .87 .88 .85 .81 .83 7 MAX04A 1842 2006 .87 .92 .88 .69 .67 .65 .65 8 MAX04B 1841 2006 .82 .89 .88 .84 .81 .78 .80 9 MAX05A 1834 2006 .92 .94 .93 .89 .89 .87 .89 10 MAX05B 1743 2006 .83 .86 .91 .88 .90 .91 .87 .84 .83 .85 .88 11 MAX06A 1789 2006 .87 .89 .88 .88 .89 .83 .66 .58 .59 12 MAX06B 1638 2006 .84 .88 .84 .84 .87 .85 .88 .88 .85 .78 .82 .76 .65 .69 .69 13 MAX07A 1742 1930 .82 .86 .84 .78 .79 .76 .79 .83 14 MAX07B 1736 1978 .78 .78 .80 .80 .82 .80 .75 .80 .80 .81 15 MAX08A 1867 2006 .88 .91 .91 .74 .48 .23A 16 MAX08B 1896 2006 .87 .86 .79 .56 .49 17 MAX09A 1705 2006 .78 .84 .90 .91 .82 .81 .89 .88 .82 .75 .77 .74 18 MAX09B 1699 2006 .84 .86 .86 .90 .90 .83 .86 .87 .86 .81 .74 .75 .71 19 MAX10A 1523 1966 .73 .75 .89 .90 .82 .68 .81 .97 .94 .76 .79 .80 .71 .77 .86 .87 .86 .86 20 MAX10B 1739 2006 .85 .87 .91 .81 .80 .87 .63 .72 .82 .73 .77 21 MAX11A 1537 2006 .85 .90 .91 .85 .88 .62 .50 .66 .64 .81 .83 .73 .75 .93 .83 .70 .69 .75 .73 22 MAX11B 1539 2006 .84 .86 .92 .91 .90 .91 .89 .89 .79 .75 .79 .83 .89 .93 .93 .92 .84 .85 .86 23 MAX12B 1677 2006 .83 .82 .81 .86 .91 .82 .82 .73 .70 .82 .73 .68 .70 24 MAX13A 1521 1970 .79 .81 .82 .86 .87 .88 .86 .84 .87 .83 .85 .77 .80 .86 .85 .88 .84 .82 25 MAX13B 1549 2006 .83 .83 .82 .79 .77 .84 .80 .83 .86 .78 .80 .69 .70 .90 .92 .92 .89 .79 .70 26 MAX14A 1780 2006 .86 .86 .84 .92 .95 .92 .91 .88 .86 27 MAX14B 1785 2006 .85 .86 .82 .87 .91 .88 .86 .88 .83 28 MAX15A 1749 2006 .80 .82 .82 .74 .70 .89 .87 .73 .66 .45 .56 29 MAX15B 1635 2006 .69 .73 .77 .80 .72 .79 .86 .68 .68 .89 .86 .74 .73 .78 .73 30 MAX15C 1703 2006 .91 .80 .79 .82 .71 .76 .90 .90 .84 .76 .62 .54 31 MAX16A 1612 2006 .75 .69 .69 .73 .86 .76 .69 .80 .79 .75 .79 .80 .79 .80 .88 .91 32 MAX16B 1734 2006 .76 .78 .79 .78 .81 .83 .84 .85 .82 .85 .85 33 MAX16C 1784 2006 .79 .87 .88 .80 .65 .72 .84 .79 .69 34 MAX17A 1509 2006 .81 .82 .88 .82 .78 .79 .86 .88 .89 .86 .90 .90 .84 .85 .87 .87 .86 .84 .73 .66 35 MAX17B 1595 2006 .71 .72 .78 .86 .84 .89 .84 .84 .79 .77 .80 .78 .83 .85 .65 .61 .63 36 MAX18A 1615 1997 .86 .87 .85 .75 .79 .87 .88 .93 .88 .82 .88 .91 .95 .81 .55 37 MAX18B 1736 2006 .83 .82 .90 .85 .76 .83 .90 .90 .85 .60 .57 38 MAX19A 1839 2006 .64 .79 .84 .83 .73 .62 .66 39 MAX19B 1816 2006 .82 .86 .92 .90 .82 .83 .82 .69 40 MAX20A 1891 2006 .75 .70 .61 .45 .44 41 MAX20B 1912 2006 .78 .71 .62 .59 42 MAX21B 1554 2006 .71 .68 .73 .85 .86 .80 .77 .76 .75 .74 .66 .62 .76 .75 .66 .60 .60 .61 43 MAX22A 1868 2006 .82 .86 .89 .75 .67 .59 44 MAX22B 1879 2006 .90 .88 .74 .63 .61 45 MAX23A 1665 2006 .88 .90 .89 .82 .80 .79 .72 .67 .83 .94 .91 .74 .75 .81 46 MAX23B 1549 2006 .80 .81 .82 .71 .80 .88 .83 .80 .80 .89 .88 .77 .85 .83 .73 .74 .76 .81 .78 47 MAX24A 1785 1980 .72 .80 .75 .73 .74 .59 .52 .41 48 MAX24B 1632 2003 .82 .87 .80 .85 .83 .85 .83 .79 .81 .84 .80 .57 .44 .37 .28A 49 MAX25A 1587 1960 .76 .69 .82 .86 .87 .89 .85 .90 .91 .88 .86 .79 .72 .73 .65 50 MAX25B 1610 1940 .69 .81 .87 .86 .85 .77 .86 .92 .87 .87 .73 .65 .81 51 MAX26A 1801 2006 .84 .87 .90 .90 .89 .77 .69 .52 52 MAX26B 1778 2006 .79 .87 .89 .87 .86 .84 .82 .66 .59 53 MAX27A 1880 2006 .83 .79 .73 .63 .54 54 MAX27B 1847 2006 .89 .88 .83 .80 .76 .65 .58 55 MAX28A 1677 2006 .81 .79 .79 .86 .91 .83 .76 .85 .83 .67 .60 .50 .58 56 MAX28B 1648 2006 .91 .92 .93 .88 .82 .80 .82 .80 .80 .88 .87 .81 .73 .50 .53 Av segment correlation .78 .81 .83 .82 .76 .80 .83 .82 .84 .80 .82 .84 .80 .81 .85 .84 .81 .76 .68 .66 PART 7: DESCRIPTIVE STATISTICS: Xiangcheng Maxiong Valley 09:43 Fri 28 Oct 2011 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- 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 MAX01A 1820 2006 187 8 0 .814 .94 4.84 1.141 .939 .373 2.45 .335 -.050 1 2 MAX02A 1615 2006 392 16 0 .754 .64 3.51 .415 .813 .255 2.58 .311 -.042 1 3 MAX02B 1736 1834 99 4 0 .796 .35 .86 .123 .558 .236 2.52 .337 -.035 1 4 MAX02C 1894 2006 113 5 0 .723 1.04 3.32 .678 .864 .261 2.70 .480 .025 1 5 MAX03A 1565 2006 442 18 0 .816 .43 1.57 .257 .791 .276 2.71 .364 .002 1 6 MAX03B 1548 2006 459 19 0 .777 .40 1.33 .197 .743 .300 2.60 .262 -.010 2 7 MAX04A 1842 2006 165 7 0 .772 1.35 2.85 .584 .718 .272 2.56 .328 -.041 1 8 MAX04B 1841 2006 166 7 0 .808 1.34 3.19 .653 .739 .279 2.83 .530 .020 1 9 MAX05A 1834 2006 173 7 0 .907 .93 2.59 .418 .589 .339 2.58 .368 -.033 1 10 MAX05B 1743 2006 264 11 0 .864 1.23 4.05 .586 .666 .306 2.60 .372 -.029 1 11 MAX06A 1789 2006 218 9 0 .816 .34 .81 .157 .606 .367 2.58 .442 -.032 4 12 MAX06B 1638 2006 369 15 0 .816 .36 .79 .144 .379 .382 2.72 .403 -.013 2 13 MAX07A 1742 1930 189 8 0 .805 .39 1.68 .250 .673 .454 2.75 .437 .005 2 14 MAX07B 1736 1978 243 10 0 .812 .26 .85 .157 .615 .483 2.65 .410 -.015 1 15 MAX08A 1867 2006 140 6 1 .752 1.83 5.25 .878 .771 .222 2.49 .426 -.038 1 16 MAX08B 1896 2006 111 5 0 .747 1.86 5.62 1.005 .860 .211 2.46 .321 -.027 1 17 MAX09A 1705 2006 302 12 0 .828 .76 3.43 .332 .534 .298 2.84 .397 .014 1 18 MAX09B 1699 2006 308 13 0 .830 .82 3.55 .432 .750 .291 2.60 .363 -.007 1 19 MAX10A 1523 1966 444 18 0 .825 .51 1.65 .349 .836 .376 2.51 .360 -.004 1 20 MAX10B 1739 2006 268 11 0 .822 .41 1.14 .239 .811 .367 2.48 .355 -.004 1 21 MAX11A 1537 2006 470 19 0 .763 .55 2.11 .420 .878 .282 2.51 .265 -.018 1 22 MAX11B 1539 2006 468 19 0 .869 .47 2.09 .378 .859 .323 2.57 .340 -.004 1 23 MAX12B 1677 2006 330 13 0 .802 .42 1.63 .277 .778 .377 2.60 .436 .006 1 24 MAX13A 1521 1970 450 18 0 .832 .49 1.66 .268 .792 .280 2.65 .368 -.015 1 25 MAX13B 1549 2006 458 19 0 .802 .65 2.81 .396 .816 .300 2.58 .362 -.016 1 26 MAX14A 1780 2006 227 9 0 .881 .85 1.72 .309 .524 .298 2.70 .439 -.020 1 27 MAX14B 1785 2006 222 9 0 .850 .95 1.96 .358 .539 .298 2.82 .434 -.022 1 28 MAX15A 1749 2006 258 11 0 .752 .91 3.64 .398 .716 .265 2.42 .360 -.023 2 29 MAX15B 1635 2006 372 15 0 .755 .69 1.95 .350 .774 .285 2.66 .448 -.047 1 30 MAX15C 1703 2006 304 12 0 .791 .96 3.00 .408 .676 .278 2.61 .398 .000 1 31 MAX16A 1612 2006 395 16 0 .767 .83 2.09 .316 .701 .237 2.55 .285 -.033 1 32 MAX16B 1734 2006 273 11 0 .818 .47 1.45 .267 .624 .426 2.60 .326 .009 1 33 MAX16C 1784 2006 223 9 0 .754 .79 3.53 .537 .697 .376 2.82 .397 -.016 2 34 MAX17A 1509 2006 498 20 0 .830 .46 1.25 .225 .667 .328 2.66 .416 -.008 1 35 MAX17B 1595 2006 412 17 0 .787 .42 1.53 .226 .588 .388 2.88 .407 -.021 1 36 MAX18A 1615 1997 383 15 0 .840 .66 3.36 .344 .701 .343 2.50 .317 -.035 2 37 MAX18B 1736 2006 271 11 0 .807 .78 2.75 .398 .615 .375 2.81 .443 -.039 2 38 MAX19A 1839 2006 168 7 0 .708 .98 2.80 .497 .690 .307 2.66 .371 -.043 2 39 MAX19B 1816 2006 191 8 0 .821 1.03 3.67 .446 .691 .268 2.63 .365 -.018 1 40 MAX20A 1891 2006 116 5 0 .626 .66 1.99 .346 .870 .196 2.54 .387 -.021 2 41 MAX20B 1912 2006 95 4 0 .639 .82 1.62 .260 .559 .241 2.48 .363 -.022 1 42 MAX21B 1554 2006 453 18 0 .733 .56 2.87 .364 .695 .411 2.71 .385 -.014 1 43 MAX22A 1868 2006 139 6 0 .784 1.63 3.63 .765 .644 .342 2.73 .424 -.005 1 44 MAX22B 1879 2006 128 5 0 .840 2.11 4.61 .912 .640 .331 2.51 .413 -.009 1 45 MAX23A 1665 2006 342 14 0 .803 .64 3.02 .432 .834 .352 2.55 .323 -.049 1 46 MAX23B 1549 2006 458 19 0 .794 .53 2.81 .333 .793 .319 2.49 .303 -.018 1 47 MAX24A 1785 1980 196 8 0 .684 1.16 3.76 .867 .835 .342 2.68 .421 -.072 1 48 MAX24B 1632 2003 372 15 1 .721 .38 1.39 .191 .725 .330 2.52 .390 -.041 1 PART 7: DESCRIPTIVE STATISTICS: Xiangcheng Maxiong Valley 09:43 Fri 28 Oct 2011 Page 12 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 MAX25A 1587 1960 374 15 0 .804 .65 2.36 .506 .891 .342 2.60 .336 -.014 2 50 MAX25B 1610 1940 331 13 0 .811 .72 2.49 .462 .847 .360 2.50 .386 -.025 1 51 MAX26A 1801 2006 206 8 0 .784 1.25 3.25 .688 .880 .238 2.58 .370 -.022 2 52 MAX26B 1778 2006 229 9 0 .801 1.12 2.94 .428 .748 .241 2.54 .352 -.056 1 53 MAX27A 1880 2006 127 5 0 .747 1.42 4.40 .858 .765 .311 2.82 .490 -.031 2 54 MAX27B 1847 2006 160 7 0 .791 1.57 3.84 .585 .682 .248 2.55 .403 -.012 1 55 MAX28A 1677 2006 330 13 0 .768 .56 2.52 .358 .816 .290 2.67 .374 -.043 3 56 MAX28B 1648 2006 359 15 0 .800 .58 2.21 .357 .780 .339 2.77 .375 -.056 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 15840 646 2 .796 .71 5.62 .391 .733 .321 2.88 .371 -.021