Weixi County, Yunnan, China - chin028 Additional Site Information William Wright, 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 : CHIN028.CRN Measurement file name : CHIN028.RWL Date checked : 28OCT11 Checked by : B. Bauer Beginning year : 1348 Ending year : 2007 Principal investigators: William Wright Jinbao Li Keyan Fang Yang Tao Edward Cook Site name : Weixi County Site location : China Species information : ABFO CHINESE FIR Latitude : 2720 Longitude : 9918 Elevation : 3060M Series intercorrelation: 0.427 Avg mean sensitivity : 0.232 Avg standard deviation : 0.692 Avg autocorrelation : 0.861 Number dated series : 43 Segment length tested : 50 Number problem segments: 112 Pct problem segments : 28.57 PART 5: CORRELATION OF SERIES BY SEGMENTS: Weixi County 10:51 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 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 WXI02B 1787 1963 .47 .50 .46 3 WXI03B 1820 2005 .38 .39 4 WXI04A 1672 1973 .49 .52 .30A .41 .58 .58 .53 .58 5 WXI04B 1682 1973 .30B .32A .42 .54 .60 .46 .50 7 WXI05B 1764 2007 .11B .32B .43B .33B 9 WXI06B 1848 2007 .55 10 WXI08A 1778 2007 .31B .31A .43 11 WXI08B 1681 2007 .33 .31A .37 .48 .41 .36 .53 13 WXI09B 1842 2007 .49 14 WXI10A 1742 1939 .43 .44 .31A .38B .34 15 WXI10B 1739 2007 .13B .24A .42 .39 .35 17 WXI11B 1841 2007 .53 19 WXI15B 1845 1980 .53 20 WXI16A 1836 1970 .45 21 WXI17A 1526 2007 .02B .32B-.02B-.06B .16B .12B .20B .21B .39 .47 .39 .32B .34 22 WXI17B 1800 2007 .21B .48 29 WXI21A 1470 2007 .62 .61 .55 .31B .56 .56 .59 .76 .72 .66 .73 .51 .30B .34 .30A .39 30 WXI21B 1353 2007 .61 .60 .54 .59 .63 .70 .64 .19B .38 .62 .68 .77 .73 .64 .68 .58 .40 .31B .25B .27B 31 WXI21C 1348 2007 .61 .60 .54 .59 .76 .81 .51 .08B .40B .50 .63 .74 .70 .62 .56 .41 .35 .43 .28B .29B 32 WXI22A 1847 2007 .40 33 WXI22B 1842 2007 .41 34 WXI23A 1638 2005 .26B .30B .70 .70 .46 .17B .34 .42 .37 35 WXI23B 1628 2007 .68 .65 .67 .68 .53 .48 .52 .41 .44 36 WXI25B 1796 2007 .36 .25B .30A 39 WXI27B 1838 2007 .18B 40 WXI29A 1783 2001 .36 .46 .49 41 WXI29B 1791 2001 .35 .33 .46 42 WXI30A 1847 2007 .46 43 WXI30B 1844 2007 .40 Av segment correlation .61 .60 .54 .59 .67 .71 .57 .15 .41 .41 .46 .56 .53 .52 .50 .42 .38 .40 .37 .42 PART 5: CORRELATION OF SERIES BY SEGMENTS: Weixi County 10:51 Fri 28 Oct 2011 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 WXI02B 1787 1963 .53 .49 .50 .50 2 WXI03A 1885 2007 .21B .37 .51 .58 .57 3 WXI03B 1820 2005 .30A .23B .33B .49 .44 .37 4 WXI04A 1672 1973 .69 .61 .39B .31A 5 WXI04B 1682 1973 .60 .51 .42 .44 6 WXI05A 1872 2007 .37 .33B .23B .38 .38 .32A 7 WXI05B 1764 2007 .39 .47 .61 .60 .45 .50 8 WXI06A 1864 2007 .51 .60 .48 .36 .52 .52 9 WXI06B 1848 2007 .61 .49 .42 .47B .48 .54 10 WXI08A 1778 2007 .60 .61 .65 .59 .27B .19B 11 WXI08B 1681 2007 .57 .59 .35B .36 .40 .36B 12 WXI09A 1851 2007 .46 .47 .66 .58 .33B .26A 13 WXI09B 1842 2007 .52 .53 .40 .41 .27A .03B 14 WXI10A 1742 1939 .36B .41 .62 15 WXI10B 1739 2007 .41 .48 .62 .55 .45 .46 16 WXI11A 1850 2007 .47 .46 .25B .12B .14B .07B 17 WXI11B 1841 2007 .49 .46 .17B .16A .13B .22A 18 WXI13A 1864 2007 .28A .29B .16B .21B .18B .28A 19 WXI15B 1845 1980 .43 .45 .45 .43 .35 20 WXI16A 1836 1970 .46 .51 .46 .36 21 WXI17A 1526 2007 .49 .49 .34 .47 .32B .35 22 WXI17B 1800 2007 .60 .68 .54 .53 .61 .64 23 WXI18A 1880 2007 .31A .55 .68 .37 .37 24 WXI18B 1881 2007 .42 .41 .47 .24A .26A 25 WXI19A 1911 2007 .22B .21B .63 .49 26 WXI19B 1899 2007 .18B .18B .22B .48 .46 27 WXI20A 1872 2007 .45 .42 .40 .52 .26B .21B 28 WXI20B 1872 2007 .37 .36 .16B .44 .40 .43 29 WXI21A 1470 2007 .54 .45 .37 .40 .20B .10B 30 WXI21B 1353 2007 .50 .44 .30B .29A .07B .03B 31 WXI21C 1348 2007 .57 .55 .47 .42 .22B .22B 32 WXI22A 1847 2007 .40 .42 .35 .48 .63 .57 33 WXI22B 1842 2007 .39 .40 .51 .67 .65 .53 34 WXI23A 1638 2005 .57 .58 .33 .33 .24B .26B 35 WXI23B 1628 2007 .65 .64 .21A .20B .34 .30A 36 WXI25B 1796 2007 .47 .35 .26A .58 .68 .64 37 WXI26A 1853 2007 .44 .37 .33A .40 .26A .27A 38 WXI26B 1861 2004 .48 .33A .27B .27A .20B .14A 39 WXI27B 1838 2007 .19A .39 .22B .32A .48 .46 40 WXI29A 1783 2001 .38 .37 .49 .51 .63 .52 41 WXI29B 1791 2001 .63 .65 .33A .51 .70 .66 42 WXI30A 1847 2007 .55 .60 .55 .50 .46 .55 43 WXI30B 1844 2007 .64 .64 .49 .48 .53 .43 Av segment correlation .48 .46 .39 .42 .39 .37 PART 7: DESCRIPTIVE STATISTICS: Weixi County 10:51 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 WXI02B 1787 1963 177 7 0 .494 .70 2.92 .503 .863 .271 2.68 .483 -.056 3 2 WXI03A 1885 2007 123 5 1 .440 .91 4.42 .914 .608 .467 2.89 .510 -.055 2 3 WXI03B 1820 2005 186 8 3 .341 .68 1.89 .409 .746 .348 2.60 .307 -.017 2 4 WXI04A 1672 1973 302 12 3 .481 .95 5.62 .853 .848 .288 2.60 .354 .015 1 5 WXI04B 1682 1973 292 11 2 .454 1.06 5.04 .862 .830 .334 2.71 .371 -.031 1 6 WXI05A 1872 2007 136 6 3 .341 1.57 4.85 1.036 .782 .265 2.73 .472 -.032 2 7 WXI05B 1764 2007 244 10 4 .396 1.06 3.24 .579 .846 .262 2.70 .421 -.042 2 8 WXI06A 1864 2007 144 6 0 .498 1.02 3.28 .539 .819 .255 2.44 .309 .063 1 9 WXI06B 1848 2007 160 7 1 .514 1.14 3.39 .525 .744 .266 2.57 .350 -.048 1 10 WXI08A 1778 2007 230 9 4 .452 1.02 8.12 1.365 .912 .238 2.59 .390 -.036 2 11 WXI08B 1681 2007 327 13 3 .408 .75 7.07 .881 .895 .225 2.47 .274 -.046 2 12 WXI09A 1851 2007 157 6 2 .480 1.34 8.87 1.206 .872 .190 2.66 .382 -.070 2 13 WXI09B 1842 2007 166 7 2 .405 1.55 6.84 1.187 .883 .199 2.70 .400 -.029 1 14 WXI10A 1742 1939 198 8 3 .392 1.13 3.04 .661 .900 .197 2.78 .385 .017 2 15 WXI10B 1739 2007 269 11 2 .386 1.40 4.33 .717 .859 .204 2.68 .371 -.062 2 16 WXI11A 1850 2007 158 6 4 .256 1.40 4.00 .863 .886 .213 2.55 .350 -.104 2 17 WXI11B 1841 2007 167 7 4 .321 1.49 3.80 .774 .837 .197 2.85 .416 -.016 1 18 WXI13A 1864 2007 144 6 6 .245 1.50 8.09 1.263 .888 .229 2.72 .537 -.042 2 19 WXI15B 1845 1980 136 6 0 .390 1.02 3.21 .594 .840 .248 2.71 .527 -.078 2 20 WXI16A 1836 1970 135 5 0 .452 1.77 5.94 1.223 .939 .179 2.51 .331 -.070 2 21 WXI17A 1526 2007 482 19 10 .234 .58 2.83 .393 .893 .207 2.66 .346 -.015 1 22 WXI17B 1800 2007 208 8 1 .472 .83 4.68 .628 .844 .202 2.67 .403 .002 1 23 WXI18A 1880 2007 128 5 1 .460 2.00 4.93 1.187 .891 .206 2.68 .369 -.063 2 24 WXI18B 1881 2007 127 5 2 .410 1.88 4.56 1.048 .893 .230 2.62 .387 -.074 2 25 WXI19A 1911 2007 97 4 2 .291 2.96 5.41 1.078 .759 .205 2.33 .276 -.033 1 26 WXI19B 1899 2007 109 5 3 .294 2.58 4.62 .963 .738 .220 2.40 .354 -.027 1 27 WXI20A 1872 2007 136 6 2 .429 1.66 6.33 1.326 .904 .266 2.72 .514 .000 1 28 WXI20B 1872 2007 136 6 1 .419 1.76 6.41 1.320 .901 .268 2.55 .429 -.085 1 29 WXI21A 1470 2007 538 22 5 .495 .48 1.42 .190 .829 .196 2.35 .228 -.017 3 30 WXI21B 1353 2007 655 26 8 .487 .60 3.23 .393 .911 .205 2.56 .247 -.018 3 31 WXI21C 1348 2007 660 26 6 .518 .55 2.39 .337 .914 .202 2.73 .332 -.034 3 32 WXI22A 1847 2007 161 7 0 .426 .96 3.93 .559 .828 .234 2.73 .369 -.066 1 33 WXI22B 1842 2007 166 7 0 .477 .96 3.13 .456 .823 .225 2.93 .451 -.049 2 34 WXI23A 1638 2005 368 15 5 .415 .62 1.60 .298 .837 .230 2.41 .248 -.024 2 35 WXI23B 1628 2007 380 15 3 .530 .61 1.81 .324 .833 .258 2.55 .282 -.010 3 36 WXI25B 1796 2007 212 9 3 .418 1.48 3.89 .661 .834 .194 2.84 .409 .030 1 37 WXI26A 1853 2007 155 6 3 .379 1.14 3.19 .679 .911 .204 2.74 .430 -.001 4 38 WXI26B 1861 2004 144 6 5 .336 1.09 3.78 .797 .939 .206 2.70 .386 .039 1 39 WXI27B 1838 2007 170 7 4 .303 1.96 5.14 1.372 .935 .222 2.58 .386 -.009 5 40 WXI29A 1783 2001 219 9 0 .444 1.77 6.89 1.158 .895 .207 2.73 .433 -.002 3 41 WXI29B 1791 2001 211 9 1 .505 1.65 5.28 .764 .849 .183 2.58 .324 -.025 2 42 WXI30A 1847 2007 161 7 0 .508 1.33 5.68 .899 .880 .251 2.55 .356 -.049 2 43 WXI30B 1844 2007 164 7 0 .466 1.22 4.88 .777 .822 .285 2.60 .386 -.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9638 392 112 .427 1.07 8.87 .692 .861 .232 2.93 .355 -.027