Ma'Erkang, Sichuan, China - chin016 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 : CHIN016.CRN Measurement file name : CHIN016.RWL Date checked : 28OCT11 Checked by : B. Bauer Beginning year : 1575 Ending year : 2007 Principal investigators: Jinbao Li Keyan Fang Yang Tao Edward Cook Site name : Ma'Erkang Site location : China Species information : CUCH CHENG'S CYPRESS Latitude : 3147 Longitude : 10155 Elevation : 2500M Series intercorrelation: 0.553 Avg mean sensitivity : 0.344 Avg standard deviation : 0.573 Avg autocorrelation : 0.723 Number dated series : 40 Segment length tested : 50 Number problem segments: 51 Pct problem segments : 15.27 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ma'Erkang 09:41 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 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BAW01A 1835 2007 .45 .34 .37B .46 .52 .56 .60 2 BAW01B 1856 2007 .31A .42 .33A .34B .22B .27A 3 BAW03A 1730 2007 .29B .31B .46B .61 .35 .13B .50 .58 .53 .38 .45 4 BAW03B 1731 2007 .31B .34 .41 .60 .54 .39B .57 .65 .61 .40 .43 5 BAW04A 1764 2007 .50 .52 .54 .57 .32A .30A .53 .48 .29B .28B 6 BAW04B 1751 2007 .34 .41 .50 .55 .55 .48 .30B .32A .57 .60 7 BAW05A 1626 2007 .21B .16B .20A .71 .71 .37 .37B .55 .31A .26B .47 .49 .42 .54 .59 8 BAW05B 1651 2007 .36 .46 .45 .55 .46 .42 .47 .32A .26A .57 .64 .31A .32A .37 9 BAW06A 1690 2007 .62 .66 .71 .61 .63 .65 .61 .57 .57 .70 .60 .26A .23A 10 BAW06B 1782 2007 .65 .67 .71 .34 .39 .61 .52 .31A .21A 11 BAW07A 1665 2007 .16B .27A .37 .39 .31A .43 .62 .45 .33B .15B .10B .34 .41 .50 12 BAW07B 1839 2007 .56 .58 .47 .44 .45 .41 .45 13 BAW08A 1928 2007 .44 .44 .55 14 BAW09A 1895 2007 .73 .74 .80 .74 .69 15 BAW09B 1858 2007 .51 .40 .46 .79 .76 .70 16 BAW10A 1877 2007 .42 .66 .66 .53 .47 17 BAW10B 1901 2007 .70 .68 .69 .72 18 BAW11A 1575 1940 .27A .72 .57 .63 .76 .46 .52 .79 .72 .63 .58 .58 .58 19 BAW12A 1880 2007 .40 .52 .69 .51 .51 20 BAW12B 1832 2007 .42 .48 .60 .71 .70 .74 .79 21 BAW13A 1732 1965 .75 .72 .63 .71 .72 .69 .56 .51 .61 22 BAW13B 1744 2007 .55 .61 .68 .71 .80 .79 .65 .67 .79 .77 .68 23 BAW14A 1831 2007 .58 .73 .79 .83 .79 .77 .76 24 BAW14B 1852 2007 .68 .73 .71 .60 .52 .48 25 BAW15A 1693 1850 .29A .32A .82 .79 .68 .59 .59 26 BAW15B 1887 2007 .70 .74 .70 .60 .43 27 BAW16A 1918 2007 .29B .34 .35 .38 28 BAW16B 1921 2007 .62 .70 .62 .67 29 BAW17A 1684 2007 .35B .58 .69 .70 .74 .65 .69 .62 .51 .73 .81 .53 .32A 30 BAW17B 1719 2007 .66 .73 .74 .79 .76 .80 .80 .71 .78 .75 .76 .77 31 BAW18A 1907 2007 .64 .74 .60 .59 32 BAW18B 1901 2007 .70 .62 .57 .62 33 BAW19A 1621 1930 .57 .50 .51 .69 .77 .77 .74 .65 .68 .79 .80 .75 .75 34 BAW19B 1680 2007 .66 .69 .67 .68 .64 .73 .86 .78 .61 .40 .36 .47B .60 35 BAW20A 1660 1853 .30B .35 .41 .48 .60 .32A .46 .50 36 BAW20B 1700 1884 .31A .35B .46 .25A .45 .68 .55 37 BAW22A 1708 1890 .77 .78 .60 .51 .69 .74 .69 38 BAW22B 1711 1890 .64 .72 .57 .33 .53 .74 .66 39 BAW23A 1606 1870 .41 .68 .36 .33B .68 .80 .81 .64 .44 .47 40 BAW23B 1697 1880 .65 .66 .78 .85 .76 .61 .67 .65 Av segment correlation .41 .53 .35 .46 .59 .62 .57 .55 .61 .60 .53 .53 .58 .58 .52 .52 PART 7: DESCRIPTIVE STATISTICS: Ma'Erkang 09:41 Fri 28 Oct 2011 Page 10 ----------------------------------------------------------------------------------------------------------------------------------- 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 BAW01A 1835 2007 173 7 1 .468 1.74 3.05 .558 .612 .221 2.75 .364 .008 2 2 BAW01B 1856 2007 152 6 5 .367 2.01 3.69 .993 .898 .308 2.61 .390 -.005 2 3 BAW03A 1730 2007 278 11 4 .397 .85 4.00 .706 .911 .278 2.45 .263 -.060 4 4 BAW03B 1731 2007 277 11 2 .459 .77 3.36 .597 .912 .258 2.70 .332 -.040 4 5 BAW04A 1764 2007 244 10 4 .434 1.04 3.27 .576 .875 .222 2.48 .327 -.014 1 6 BAW04B 1751 2007 257 10 2 .459 .85 2.76 .441 .830 .230 2.76 .380 -.016 1 7 BAW05A 1626 2007 382 15 6 .408 .94 3.20 .496 .830 .255 2.56 .295 -.042 3 8 BAW05B 1651 2007 357 14 4 .431 .99 2.86 .550 .841 .251 2.63 .300 -.031 1 9 BAW06A 1690 2007 318 13 2 .598 1.03 5.25 .614 .834 .210 2.59 .302 -.041 1 10 BAW06B 1782 2007 226 9 2 .498 .82 2.65 .555 .891 .252 2.40 .299 -.023 1 11 BAW07A 1665 2007 343 14 6 .365 .66 2.74 .490 .883 .291 2.63 .347 -.031 1 12 BAW07B 1839 2007 169 7 0 .485 1.45 3.17 .493 .683 .216 2.78 .458 -.009 1 13 BAW08A 1928 2007 80 3 0 .537 1.80 4.24 .774 .787 .219 2.70 .451 -.109 1 14 BAW09A 1895 2007 113 5 0 .720 1.14 3.13 .568 .674 .338 2.66 .427 -.042 2 15 BAW09B 1858 2007 150 6 0 .591 1.17 7.53 .999 .845 .368 2.59 .465 .008 1 16 BAW10A 1877 2007 131 5 0 .540 1.40 3.58 .820 .712 .376 2.54 .499 .005 1 17 BAW10B 1901 2007 107 4 0 .682 1.69 4.30 .768 .525 .387 2.60 .482 -.009 1 18 BAW11A 1575 1940 366 13 1 .569 .49 1.56 .284 .507 .567 2.57 .361 -.042 4 19 BAW12A 1880 2007 128 5 0 .518 1.79 3.82 .828 .590 .328 2.75 .406 -.035 1 20 BAW12B 1832 2007 176 7 0 .628 1.68 4.21 .871 .664 .365 2.63 .383 -.055 1 21 BAW13A 1732 1965 234 9 0 .643 1.04 3.58 .629 .819 .342 2.55 .405 -.025 3 22 BAW13B 1744 2007 264 11 0 .676 1.08 2.84 .505 .749 .307 2.49 .409 .009 1 23 BAW14A 1831 2007 177 7 0 .738 1.61 3.78 .689 .478 .358 2.59 .403 -.066 3 24 BAW14B 1852 2007 156 6 0 .633 2.09 4.01 .880 .569 .327 2.45 .335 -.018 3 25 BAW15A 1693 1850 158 7 2 .585 .50 1.23 .245 .410 .436 2.72 .470 .011 1 26 BAW15B 1887 2007 121 5 0 .637 .66 2.15 .405 .622 .531 2.50 .421 -.097 1 27 BAW16A 1918 2007 90 4 1 .376 2.52 5.99 1.319 .841 .223 2.66 .475 .000 1 28 BAW16B 1921 2007 87 4 0 .656 1.52 2.99 .725 .856 .195 2.73 .505 .024 1 29 BAW17A 1684 2007 324 13 2 .617 .71 2.09 .404 .643 .465 2.75 .404 -.012 1 30 BAW17B 1719 2007 289 12 0 .745 .76 2.09 .392 .573 .404 2.75 .428 -.017 1 31 BAW18A 1907 2007 101 4 0 .608 .96 2.29 .430 .458 .341 2.71 .386 -.044 1 32 BAW18B 1901 2007 107 4 0 .655 1.04 2.62 .478 .518 .350 2.65 .436 -.092 1 33 BAW19A 1621 1930 310 13 0 .682 .96 2.71 .445 .576 .377 2.55 .373 -.065 1 34 BAW19B 1680 2007 328 13 1 .665 .84 3.05 .489 .671 .497 2.50 .288 -.057 1 35 BAW20A 1660 1853 194 8 2 .450 1.11 4.09 .792 .750 .419 2.71 .445 -.038 1 36 BAW20B 1700 1884 185 7 3 .461 .68 2.74 .514 .776 .530 2.70 .410 -.033 1 37 BAW22A 1708 1890 183 7 0 .670 1.07 2.28 .467 .779 .282 2.52 .408 -.015 2 38 BAW22B 1711 1890 180 7 0 .563 1.35 2.80 .528 .725 .270 2.49 .336 .000 1 39 BAW23A 1606 1870 265 10 1 .517 .88 2.87 .561 .573 .479 2.77 .458 -.011 1 40 BAW23B 1697 1880 184 8 0 .731 .90 3.23 .641 .728 .538 2.67 .451 -.071 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8364 334 51 .553 1.05 7.53 .573 .723 .344 2.78 .378 -.030