Nangay, Bhutan - bt012 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 : BT012.CRN Measurement file name : BT012.RWL Date checked : 06SEP11 Checked by : B. Bauer Beginning year : 1625 Ending year : 2003 Principal investigators: Edward R. Cook, Paul J. Krusic, and Dorji Dukpa Site name : Nangay Site location : Bhutan Species information : PIWA HIMALAYAN PINE Latitude : 2727 Longitude : 09042 Elevation : M Series intercorrelation: 0.477 Avg mean sensitivity : 0.220 Avg standard deviation : 1.081 Avg autocorrelation : 0.911 Number dated series : 37 Segment length tested : 50 Number problem segments: 51 Pct problem segments : 16.61 PART 5: CORRELATION OF SERIES BY SEGMENTS: Nangay 14:30 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 NANPW01A 1875 2003 .40 .58 .40 .38 .38 2 NANPW01B 1757 2003 .19B .29B .11B .17B .44 .40 .30A .46 .38 .41 3 NANPW02A 1788 2003 .13B .02B .11B .41 .40 .29A .25B .46 .44 4 NANPW02B 1786 2003 .14B .14B .37 .42 .43 .45 .27A .40B .41B 5 NANPW04A 1862 2003 .62 .69 .63 .58 .71 .67 6 NANPW04B 1858 2003 .68 .67 .58 .61 .67 .70 7 NANPW05A 1681 2003 .43 .64 .52 .44 .51 .53 .48 .38 .48 .50 .44 .59 .59 8 NANPW05B 1684 2003 .53 .54 .37 .40 .50 .28B .19B .42 .52 .56 .65 .70 .70 9 NANPW06A 1671 2003 .25B .36 .54 .53 .67 .70 .71 .43 .39 .60 .68 .57 .67 .61 10 NANPW06B 1669 2003 .38 .52 .51 .58 .50 .53 .71 .49 .30A .49 .62 .50 .56 .54 11 NANPW07A 1908 2003 .23B .47 .68 .72 12 NANPW07B 1752 2003 .28B .19B-.02B .04B .44 .48 .26B .27B .33 .31A 13 NANPW08A 1625 2003 .44 .37 .36 .41 .51 .42 .41 .41 .38 .52 .63 .36 .51 .62 14 NANPW08B 1658 2003 .47 .45 .26A .22B .41 .31B .24B .28A .63 .55 .46 .61 .61 .64 15 NANPW09A 1862 2003 .68 .65 .63 .74 .82 .76 16 NANPW09B 1865 2003 .62 .67 .46 .59 .76 .77 17 NANPW10A 1789 2003 .47 .49 .48 .44 .44 .31A .19A .46B .51 18 NANPW10B 1799 2003 .44 .48 .41 .34 .42 .44 .46 .75 .77 19 NANPW11A 1766 2003 .35 .29B .29B .27B .43 .55 .56 .60 .69 .65 20 NANPW11B 1761 2003 .37 .50 .49 .31A .44 .68 .61 .48 .74 .77 21 NANPW12A 1783 2003 .37 .48 .43 .50 .65 .63 .39 .34B .44 22 NANPW12B 1786 2003 .33A .49 .51 .56 .62 .59 .34 .35 .43 23 NANPW13A 1791 2003 .54 .47 .40 .30A .54 .67 .50 .43 .47 24 NANPW13B 1794 2003 .38B .37B .42 .47 .52 .65 .52 .32B .37 25 NANPW15A 1729 1859 .21B .28A .39 .47 .29A 26 NANPW15C 1893 2003 .44 .36 .55 .64 .61 27 NANPW15B 1763 2003 .46 .48 .54 .21B .46 .65 .60 .69 .74 .72 28 NANPW16A 1962 2003 .39 29 NANPW16B 1909 2003 .40 .30A .55 .52 30 NANPW17A 1850 2003 .50 .53 .54 .68 .50 .43 31 NANPW17B 1819 2003 .53 .47 .61 .50 .48 .61 .39 .34 32 NANPW18A 1768 2003 .44 .43 .38 .34 .52 .48 .39 .44 .71 .73 33 NANPW18B 1780 2003 .53 .64 .53 .48 .39 .33 .31A .57 .56 34 NANPW19A 1909 2003 .62 .64 .51 .44 35 NANPW19B 1907 2003 .48 .69 .60 .62 36 NANPW20A 1833 2003 .54 .43 .47 .59 .63 .56 .49 37 NANPW20B 1830 2003 .54 .53 .47 .51 .62 .53 .52 Av segment correlation .39 .44 .48 .41 .41 .40 .40 .37 .48 .53 .50 .50 .56 .56 PART 7: DESCRIPTIVE STATISTICS: Nangay 14:30 Tue 06 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 NANPW01A 1875 2003 129 5 0 .418 2.15 6.84 1.124 .944 .116 2.59 .436 .031 1 2 NANPW01B 1757 2003 247 10 5 .297 1.37 3.75 .709 .823 .222 2.70 .386 .034 1 3 NANPW02A 1788 2003 216 9 5 .323 1.46 5.88 .805 .875 .181 2.46 .341 -.050 3 4 NANPW02B 1786 2003 218 9 5 .358 1.68 4.67 .689 .826 .182 2.44 .272 -.017 3 5 NANPW04A 1862 2003 142 6 0 .634 2.08 6.68 1.529 .950 .181 2.60 .429 .004 1 6 NANPW04B 1858 2003 146 6 0 .645 1.91 6.78 1.602 .944 .195 2.57 .416 -.066 4 7 NANPW05A 1681 2003 323 13 0 .489 1.22 4.76 1.146 .954 .233 2.59 .309 -.017 2 8 NANPW05B 1684 2003 320 13 2 .508 1.36 3.42 .887 .940 .197 2.60 .384 .006 1 9 NANPW06A 1671 2003 333 14 1 .515 1.29 5.42 1.051 .943 .176 2.80 .370 -.025 2 10 NANPW06B 1669 2003 335 14 1 .505 1.16 6.50 1.039 .903 .196 2.64 .376 -.025 2 11 NANPW07A 1908 2003 96 4 1 .482 3.20 6.42 1.291 .824 .210 2.61 .509 .010 1 12 NANPW07B 1752 2003 252 10 7 .248 1.43 7.06 .951 .827 .223 2.69 .365 .018 1 13 NANPW08A 1625 2003 379 14 0 .469 .67 3.29 .663 .937 .335 2.63 .364 .013 1 14 NANPW08B 1658 2003 346 14 5 .453 .88 4.20 .830 .955 .205 2.42 .249 -.043 1 15 NANPW09A 1862 2003 142 6 0 .699 2.88 11.90 2.024 .952 .180 2.49 .377 -.012 2 16 NANPW09B 1865 2003 139 6 0 .676 2.96 8.38 1.497 .900 .174 2.46 .335 -.024 3 17 NANPW10A 1789 2003 215 9 3 .402 .92 5.95 1.080 .947 .284 2.63 .348 -.016 1 18 NANPW10B 1799 2003 205 9 0 .520 .96 4.50 .860 .958 .209 2.87 .418 -.022 2 19 NANPW11A 1766 2003 238 10 3 .480 1.24 6.91 1.287 .956 .180 2.68 .380 .008 1 20 NANPW11B 1761 2003 243 10 1 .542 1.17 6.74 1.336 .956 .212 2.84 .342 -.006 1 21 NANPW12A 1783 2003 221 9 1 .459 .93 3.57 .638 .896 .235 2.51 .323 -.045 2 22 NANPW12B 1786 2003 218 9 1 .462 .94 3.50 .616 .895 .238 2.54 .362 -.029 1 23 NANPW13A 1791 2003 213 9 1 .482 .91 2.91 .680 .934 .235 2.63 .430 -.014 1 24 NANPW13B 1794 2003 210 9 3 .441 1.05 3.40 .832 .933 .245 2.60 .418 -.011 1 25 NANPW15A 1729 1859 131 5 3 .271 2.43 5.03 1.019 .775 .218 2.59 .432 -.004 3 26 NANPW15C 1893 2003 111 5 0 .534 .33 .79 .140 .647 .300 2.66 .535 -.062 1 27 NANPW15B 1763 2003 241 10 1 .574 1.62 6.26 1.588 .953 .220 2.66 .404 -.016 1 28 NANPW16A 1962 2003 42 1 0 .394 1.32 3.33 .875 .943 .190 2.41 .489 .025 1 29 NANPW16B 1909 2003 95 4 1 .502 1.13 2.48 .627 .811 .256 2.46 .336 .051 1 30 NANPW17A 1850 2003 154 6 0 .487 1.34 3.93 .787 .852 .257 2.73 .458 .014 1 31 NANPW17B 1819 2003 185 8 0 .489 1.67 6.36 1.218 .899 .240 2.67 .358 .012 1 32 NANPW18A 1768 2003 236 10 0 .501 1.48 9.24 1.621 .972 .201 2.57 .364 -.030 2 33 NANPW18B 1780 2003 224 9 1 .492 1.44 5.07 1.059 .951 .190 2.88 .365 -.047 2 34 NANPW19A 1909 2003 95 4 0 .494 2.76 6.95 1.544 .890 .214 2.50 .431 -.068 1 35 NANPW19B 1907 2003 97 4 0 .549 3.36 8.28 1.819 .846 .203 2.80 .499 -.051 1 36 NANPW20A 1833 2003 171 7 0 .525 1.91 11.63 1.942 .910 .257 2.57 .469 -.035 1 37 NANPW20B 1830 2003 174 7 0 .534 2.10 8.58 2.072 .925 .257 2.69 .401 -.020 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 7482 307 51 .477 1.44 11.90 1.081 .911 .220 2.88 .376 -.015