Zangling-Chokote, Bhutan - bt004 Additional Site Information Edward R. Cook, Paul J. Krusic, and Dorji Dukpa 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 : BT004.CRN Measurement file name : BT004.RWL Date checked : 06SEP11 Checked by : B. Bauer Beginning year : 1481 Ending year : 2003 Principal investigators: Edward R. Cook, Paul J. Krusic, and Dorji Dukpa Site name : Zangling-Chokote Site location : Bhutan Species information : TSDU EAST HIMALAYAN HEMLOCK Latitude : 2742 Longitude : 09041 Elevation : M Series intercorrelation: 0.537 Avg mean sensitivity : 0.211 Avg standard deviation : 0.413 Avg autocorrelation : 0.783 Number dated series : 20 Segment length tested : 50 Number problem segments: 7 Pct problem segments : 2.86 PART 5: CORRELATION OF SERIES BY SEGMENTS: Zangling-Chokote 14:28 Tue 06 Sep 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 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ZAN12B 1481 1969 .64 .65 .53 .67 .59 .53 .61 .33 .28B .46 .49 .58 .55 .38 .41 .54 .56 2 ZAN11A 1750 2003 .48 .47 .61 .62 .58 .64 .38B .29A .56 .56 3 ZAN14A 1705 2003 .37 .41 .64 .47 .29A .41 .53 .43 .40 .60 .73 .74 4 ZAN16B 1716 1899 .53 .42 .48 .44 .49 .56 .42 5 ZAN01B 1758 1939 .54 .56 .57 .45 .53 .54 .51 6 ZAN01A 1757 1984 .45 .53 .59 .62 .61 .47 .36 .58 .56 7 ZAN05B 1730 2003 .52 .47 .41 .36 .43 .61 .58 .69 .75 .61 .65 8 ZAN06A 1589 2003 .63 .69 .64 .61 .66 .51 .41 .24A .21A .49 .54 .65 .63 .42 .49 .59 .61 9 ZAN12A 1527 1949 .64 .64 .50 .52 .41 .50 .64 .36 .37 .58 .57 .68 .56 .40 .57 .43 10 ZAN02B 1795 2003 .47 .47 .37 .37 .44B .54 .59 .68 .67 11 ZAN05A 1660 2003 .52 .62 .54 .53 .65 .61 .36 .43 .57 .53 .67 .72 .53 .55 12 ZAN06B 1635 2003 .73 .78 .77 .58 .51 .60 .47 .53 .61 .65 .70 .65 .48 .49 .51 13 ZAN07A 1669 2003 .51 .62 .60 .58 .55 .60 .61 .68 .70 .54 .39 .38 .49 .58 14 ZAN07B 1718 2003 .54 .55 .53 .58 .65 .66 .62 .57 .52 .39 .54 .65 15 ZAN08A 1786 2003 .54 .52 .55 .64 .76 .69 .63 .50 .52 16 ZAN10B 1655 2003 .36 .62 .42 .51 .57 .50 .62 .52 .35 .52 .59 .69 .54 .44 17 ZAN20A 1583 2003 .41 .49 .51 .50 .55 .35 .39 .46 .41 .54 .56 .52 .67 .70 .63 .64 .67 18 ZAN22A 1758 2003 .59 .68 .70 .69 .69 .64 .62 .61 .46 .48 19 ZAN22B 1632 2003 .50 .61 .70 .38 .37 .63 .71 .66 .64 .61 .62 .74 .70 .59 .62 20 ZAN23B 1772 2003 .48 .55 .61 .47 .52 .70 .71 .64 .55 .57 Av segment correlation .64 .64 .52 .59 .56 .55 .64 .46 .45 .52 .51 .55 .55 .55 .58 .56 .57 .57 .59 PART 7: DESCRIPTIVE STATISTICS: Zangling-Chokote 14:28 Tue 06 Sep 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 ZAN12B 1481 1969 489 17 1 .511 1.04 4.66 .628 .879 .207 2.62 .304 -.031 2 2 ZAN11A 1750 2003 254 10 2 .539 .61 1.82 .315 .895 .196 2.52 .268 -.006 1 3 ZAN14A 1705 2003 299 12 1 .485 .84 2.63 .506 .902 .221 2.69 .361 -.043 2 4 ZAN16B 1716 1899 184 7 0 .470 .70 1.92 .250 .768 .184 2.51 .388 .040 2 5 ZAN01B 1758 1939 182 7 0 .507 .99 2.70 .416 .819 .195 2.76 .435 .021 2 6 ZAN01A 1757 1984 228 9 0 .531 .77 2.02 .340 .861 .173 2.64 .413 -.014 3 7 ZAN05B 1730 2003 274 11 0 .543 .85 2.27 .285 .667 .221 2.69 .361 -.001 2 8 ZAN06A 1589 2003 415 17 2 .526 .77 2.79 .373 .812 .212 2.70 .338 -.024 2 9 ZAN12A 1527 1949 423 16 0 .482 .99 3.90 .537 .835 .217 2.48 .245 -.021 2 10 ZAN02B 1795 2003 209 9 1 .483 1.37 4.19 .742 .758 .243 2.83 .378 -.070 2 11 ZAN05A 1660 2003 344 14 0 .556 1.07 2.95 .377 .774 .180 2.61 .334 -.021 2 12 ZAN06B 1635 2003 369 15 0 .617 .87 2.11 .297 .705 .203 2.88 .327 .013 2 13 ZAN07A 1669 2003 335 14 0 .565 .80 2.85 .464 .801 .256 2.90 .461 -.038 2 14 ZAN07B 1718 2003 286 12 0 .583 .75 2.01 .329 .733 .233 2.64 .418 -.022 2 15 ZAN08A 1786 2003 218 9 0 .602 1.03 2.38 .341 .637 .189 2.98 .437 -.005 2 16 ZAN10B 1655 2003 349 14 0 .474 .87 2.30 .313 .705 .184 2.74 .378 -.030 2 17 ZAN20A 1583 2003 421 17 0 .522 .98 2.99 .478 .790 .212 2.76 .391 -.008 2 18 ZAN22A 1758 2003 246 10 0 .551 .79 2.95 .356 .771 .239 2.63 .323 .018 1 19 ZAN22B 1632 2003 372 15 0 .604 .67 2.30 .376 .779 .246 2.85 .348 .002 2 20 ZAN23B 1772 2003 232 10 0 .572 1.15 2.62 .347 .672 .179 2.82 .411 .009 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6129 245 7 .537 .89 4.66 .413 .783 .211 2.98 .358 -.014