Baiyang Valley, China - chin007 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 : CHIN007.CRN Measurement file name : CHIN007.RWL Date checked : 27OCT11 Checked by : B. Bauer Beginning year : 1867 Ending year : 2004 Principal investigators: Paul Krusic Jinbao Li Jianfeng Peng Keyan Fang Edward Cook Site name : Baiyang Valley Site location : China Species information : PCSH SHRENK'S SPRUCE Latitude : 4356 Longitude : 8809 Elevation : 1815M Series intercorrelation: 0.851 Avg mean sensitivity : 0.328 Avg standard deviation : 0.976 Avg autocorrelation : 0.741 Number dated series : 40 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.54 PART 5: CORRELATION OF SERIES BY SEGMENTS: Baiyang Valley 15:28 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BAI01A 1878 2004 .93 .94 .97 .94 .90 2 BAI01B 1880 2004 .91 .93 .94 .87 .84 3 BAI02A 1906 2004 .79 .89 .94 .95 4 BAI02B 1900 2004 .75 .87 .93 .94 5 BAI03A 1867 2004 .91 .91 .93 .80 .71 .73 6 BAI03B 1869 2004 .88 .94 .94 .73 .69 .72 7 BAI04A 1908 2004 .78 .89 .88 .87 8 BAI04B 1905 2004 .82 .89 .90 .89 9 BAI05A 1888 2004 .89 .86 .77 .83 .80 10 BAI05B 1890 2004 .88 .91 .92 .90 .91 11 BAI06A 1881 2004 .93 .95 .94 .88 .88 12 BAI06B 1877 2004 .83 .87 .90 .85 .85 13 BAI07A 1888 2004 .88 .91 .95 .88 .85 14 BAI07B 1887 1990 .82 .82 .89 .90 15 BAI08A 1894 2004 .90 .91 .90 .90 .90 16 BAI08B 1887 2004 .89 .92 .88 .87 .85 17 BAI09A 1875 2004 .87 .93 .96 .92 .87 18 BAI09B 1902 2004 .94 .95 .90 .85 19 BAI10A 1871 2004 .89 .91 .92 .96 .96 .95 20 BAI10B 1879 2004 .95 .96 .96 .95 .95 21 BAI11A 1902 2004 .79 .94 .94 .94 22 BAI11B 1894 2004 .63 .63 .87 .90 .88 23 BAI12A 1889 2004 .92 .95 .97 .95 .94 24 BAI13B 1880 1990 .88 .90 .93 .79 25 BAI14A 1889 2004 .87 .87 .90 .91 .92 26 BAI14B 1889 2004 .86 .88 .89 .90 .91 27 BAI15A 1887 2004 .83 .86 .94 .89 .88 28 BAI15B 1872 2004 .82 .88 .93 .89 .80 .82 29 BAI16A 1896 2004 .88 .89 .95 .86 .87 30 BAI16B 1900 2004 .91 .94 .85 .86 31 BAI17A 1922 2004 .94 .94 .93 .93 32 BAI17B 1910 2004 .89 .94 .95 .94 33 BAI18A 1916 2004 .88 .89 .87 .80 34 BAI18B 1909 2004 .83 .89 .83 .81 35 BAI19A 1921 2004 .87 .87 .79 .79 36 BAI19B 1919 2004 .84 .87 .92 .92 37 BAI20A 1894 2004 .55 .66 .71 .73 .75 38 BAI20B 1931 2004 .74 .74 .77 39 BAI21A 1933 2004 .66 .72 .74 40 BAI21B 1882 2004 .31A .61 .65 .70 .74 Av segment correlation .88 .84 .87 .88 .86 .86 PART 7: DESCRIPTIVE STATISTICS: Baiyang Valley 15:28 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 BAI01A 1878 2004 127 5 0 .925 1.38 3.55 .826 .703 .377 2.47 .420 -.037 1 2 BAI01B 1880 2004 125 5 0 .888 1.41 3.23 .801 .685 .398 2.67 .372 -.106 2 3 BAI02A 1906 2004 99 4 0 .901 1.61 3.44 .660 .715 .270 2.39 .413 -.060 5 4 BAI02B 1900 2004 105 4 0 .863 1.60 3.14 .618 .663 .286 2.42 .407 -.027 5 5 BAI03A 1867 2004 138 6 0 .822 1.92 5.58 1.195 .850 .323 2.40 .418 -.002 1 6 BAI03B 1869 2004 136 6 0 .805 1.67 4.77 .925 .780 .322 2.55 .361 .008 1 7 BAI04A 1908 2004 97 4 0 .830 2.44 5.87 1.244 .752 .355 2.46 .473 .028 1 8 BAI04B 1905 2004 100 4 0 .860 2.60 6.73 1.271 .724 .361 2.53 .491 -.051 2 9 BAI05A 1888 2004 117 5 0 .816 1.35 6.44 1.078 .854 .359 2.33 .330 -.055 2 10 BAI05B 1890 2004 115 5 0 .898 1.26 4.94 .825 .787 .369 2.33 .347 -.013 2 11 BAI06A 1881 2004 124 5 0 .883 1.53 5.13 1.184 .846 .370 2.32 .294 .005 2 12 BAI06B 1877 2004 128 5 0 .851 1.64 3.62 .939 .773 .321 2.36 .353 .007 5 13 BAI07A 1888 2004 117 5 0 .884 1.33 6.72 1.580 .889 .424 2.60 .387 -.039 1 14 BAI07B 1887 1990 104 4 0 .865 1.54 6.30 1.507 .880 .386 2.56 .425 -.078 3 15 BAI08A 1894 2004 111 5 0 .895 1.49 4.98 1.026 .724 .443 2.47 .487 -.034 5 16 BAI08B 1887 2004 118 5 0 .868 1.66 3.97 .975 .703 .427 2.43 .403 -.043 5 17 BAI09A 1875 2004 130 5 0 .871 1.87 3.38 .645 .658 .251 2.31 .316 -.036 2 18 BAI09B 1902 2004 103 4 0 .872 1.57 3.58 .637 .740 .254 2.27 .309 -.011 1 19 BAI10A 1871 2004 134 6 0 .923 1.63 5.40 1.257 .817 .387 2.47 .456 -.074 2 20 BAI10B 1879 2004 126 5 0 .947 1.32 3.79 .974 .816 .404 2.43 .429 -.084 2 21 BAI11A 1902 2004 103 4 0 .889 1.39 3.96 .804 .697 .389 2.56 .485 -.068 2 22 BAI11B 1894 2004 111 5 0 .790 1.91 5.46 1.116 .559 .443 2.47 .389 -.030 5 23 BAI12A 1889 2004 116 5 0 .937 1.48 4.03 .986 .755 .413 2.44 .482 -.066 2 24 BAI13B 1880 1990 111 4 0 .826 1.74 6.69 1.670 .882 .378 2.55 .454 -.027 1 25 BAI14A 1889 2004 116 5 0 .908 1.77 4.32 1.086 .788 .368 2.49 .457 -.077 5 26 BAI14B 1889 2004 116 5 0 .890 1.73 4.79 1.033 .797 .320 2.41 .399 -.045 5 27 BAI15A 1887 2004 118 5 0 .864 1.68 4.01 .786 .677 .296 2.56 .425 -.045 5 28 BAI15B 1872 2004 133 6 0 .836 1.65 4.26 .973 .729 .344 2.54 .415 .001 5 29 BAI16A 1896 2004 109 5 0 .861 1.69 3.69 .745 .716 .284 2.34 .327 -.066 2 30 BAI16B 1900 2004 105 4 0 .876 1.66 3.58 .797 .769 .282 2.32 .358 -.075 2 31 BAI17A 1922 2004 83 4 0 .923 1.82 4.08 .776 .535 .352 2.38 .421 -.111 2 32 BAI17B 1910 2004 95 4 0 .919 1.82 3.69 .668 .529 .302 2.39 .418 -.098 2 33 BAI18A 1916 2004 89 4 0 .814 2.43 4.90 .870 .753 .206 2.65 .438 .024 1 34 BAI18B 1909 2004 96 4 0 .816 1.77 2.74 .484 .575 .202 2.36 .393 -.003 1 35 BAI19A 1921 2004 84 4 0 .793 2.32 4.54 .997 .671 .258 2.42 .394 -.032 1 36 BAI19B 1919 2004 86 4 0 .871 2.02 3.83 .660 .518 .251 2.37 .450 .008 1 37 BAI20A 1894 2004 111 5 0 .689 2.47 5.12 .819 .732 .170 2.66 .396 -.040 1 38 BAI20B 1931 2004 74 3 0 .719 3.35 5.24 .927 .684 .187 2.53 .459 -.036 1 39 BAI21A 1933 2004 72 3 0 .621 4.04 7.98 1.610 .817 .205 2.43 .458 -.048 1 40 BAI21B 1882 2004 123 5 1 .607 2.28 4.67 .972 .846 .185 2.50 .432 -.012 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4405 185 1 .851 1.80 7.98 .976 .741 .328 2.67 .406 -.038