Damra, Bhutan - bt007 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 : BT007.CRN Measurement file name : BT007.RWL Date checked : 01SEP11 Checked by : B. Bauer Beginning year : 1611 Ending year : 2005 Principal investigators: Edward R. Cook, Paul J. Krusic, and Dorji Dukpa Site name : Damra Site location : Bhutan Species information : PCSN SIKKIM SPRUCE Latitude : 2728 Longitude : 08931 Elevation : M Series intercorrelation: 0.511 Avg mean sensitivity : 0.188 Avg standard deviation : 0.516 Avg autocorrelation : 0.854 Number dated series : 15 Segment length tested : 50 Number problem segments: 17 Pct problem segments : 9.83 PART 5: CORRELATION OF SERIES BY SEGMENTS: Damra 16:41 Thu 01 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 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DAMPS15B 1766 2005 .32A .36 .35 .47 .57 .54 .44 .47 .37 .31B 2 DAMPS05B 1663 2005 .27B .38 .65 .73 .50 .43 .36 .38 .57 .57 .50 .58 .70 .70 3 DAMPS14A 1750 2005 .43 .42B .52 .46 .42 .44 .52 .43 .37 .40 4 DAMPS12A 1785 2005 .40 .40 .64 .52 .58 .73 .55 .47 .57 5 DAMPS05D 1689 2005 .65 .73 .66 .41 .44 .57 .64 .69 .62 .72 .80 .54 .57 6 DAMPS16A 1720 2005 .52 .46 .59 .55 .55 .61 .71 .67 .51 .52 .72 .77 7 DAMPS09A 1712 2005 .60 .66 .57 .40 .50 .67 .66 .72 .76 .60 .45 .48 8 DAMPS17A 1720 2005 .57 .55 .58 .64 .62 .63 .69 .64 .64 .65 .46 .48 9 DAMPS17B 1767 2005 .43 .42 .35 .66 .66 .63 .78 .71 .58 .59 10 DAMPS16B 1745 2005 .66 .61 .67 .58 .55 .67 .59 .42 .45 .51 .51 11 DAMPS10A 1751 2005 .55 .46 .55 .68 .69 .60 .63 .54 .54 .59 12 DAMPS05A 1647 2005 .28A .30A .44 .66 .58 .39 .40 .42 .47 .48 .47 .61 .66 .27B .23B 13 DAMPS02A 1611 2005 .21B .22B .32A .43 .43 .34 -.12B .05B .55 .41 .28A .31B .38 .49 .48 14 DAMPS15A 1765 2005 .26B .36 .53 .73 .70 .61 .54 .52 .60 .55 15 DAMPS03A 1753 2005 .65 .51 .30B .42 .61 .48 .46 .56 .56 .55 Av segment correlation .25 .26 .45 .59 .59 .47 .42 .44 .57 .60 .56 .57 .56 .51 .52 PART 7: DESCRIPTIVE STATISTICS: Damra 16:41 Thu 01 Sep 2011 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 DAMPS15B 1766 2005 240 10 2 .408 1.46 3.05 .453 .679 .175 2.67 .394 -.054 3 2 DAMPS05B 1663 2005 343 14 1 .515 1.20 3.15 .541 .857 .182 2.72 .401 .014 3 3 DAMPS14A 1750 2005 256 10 1 .441 .99 4.78 .676 .940 .146 2.60 .324 .004 1 4 DAMPS12A 1785 2005 221 9 0 .547 .71 1.55 .258 .784 .168 2.60 .350 -.063 3 5 DAMPS05D 1689 2005 317 13 0 .594 .72 1.79 .351 .873 .184 2.77 .383 .012 1 6 DAMPS16A 1720 2005 286 12 0 .595 1.71 5.91 1.045 .838 .215 2.75 .375 -.021 3 7 DAMPS09A 1712 2005 294 12 0 .581 1.22 3.42 .497 .794 .200 2.82 .430 .025 1 8 DAMPS17A 1720 2005 286 12 0 .595 1.07 5.16 .655 .913 .171 2.70 .453 -.059 2 9 DAMPS17B 1767 2005 239 10 0 .578 1.24 3.17 .585 .784 .198 2.95 .325 -.042 3 10 DAMPS16B 1745 2005 261 11 0 .551 .79 3.25 .438 .900 .176 2.84 .427 -.015 3 11 DAMPS10A 1751 2005 255 10 0 .600 .91 3.24 .460 .838 .181 2.75 .376 -.028 2 12 DAMPS05A 1647 2005 359 15 4 .385 .77 3.15 .445 .917 .184 2.47 .286 -.026 2 13 DAMPS02A 1611 2005 395 15 7 .320 .79 3.72 .463 .879 .212 2.56 .324 -.011 1 14 DAMPS15A 1765 2005 241 10 1 .527 1.01 4.99 .577 .905 .179 2.45 .323 -.036 3 15 DAMPS03A 1753 2005 253 10 1 .502 .61 1.57 .276 .844 .231 2.71 .428 .011 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 4246 173 17 .511 1.01 5.91 .516 .854 .188 2.95 .372 -.017