Camgang, Bhutan - bt006 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 : BT006.CRN Measurement file name : BT006.RWL Date checked : 01SEP11 Checked by : B. Bauer Beginning year : 1400 Ending year : 2005 Principal investigators: Edward R. Cook, Paul J. Krusic, and Dorji Dukpa Site name : Camgang Site location : Bhutan Species information : PCSN SIKKIM SPRUCE Latitude : 2728 Longitude : 08930 Elevation : M Series intercorrelation: 0.426 Avg mean sensitivity : 0.182 Avg standard deviation : 0.642 Avg autocorrelation : 0.869 Number dated series : 18 Segment length tested : 50 Number problem segments: 51 Pct problem segments : 22.87 PART 5: CORRELATION OF SERIES BY SEGMENTS: Camgang 16:40 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 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CAMPS06A 1570 2005 .34 .33 .39B .43 .48 .42 .35 .31A .32A .36 .51 .63 .64 .62 2 CAMPS13A 1716 2005 .33 .48 .41 .52 .66 .54 .60 .59 3 CAMPS07A 1581 2005 .48 .48 .37 .30A .51 .46 .36 .30B .31A .28B .32A .42 .49 4 CAMPS02A 1539 2005 .37 .40 .29A .30B .46 .33 .41 .56 .17B .18B .33 .40 .33 .18B .45 5 CAMPS02B 1519 2005 .23B .18B .19B .40 .57 .61 .52 .64 .65 .30B .27B .39 .46 .51 .43 .49 6 CAMPS13B 1791 2005 .57 .57 .33 .34 .46 7 CAMPS09A 1793 2005 .47 .45 .27A .32A .63 8 CAMPS05A 1789 2005 .44 .51 .40 .47 .58 9 CAMPS08A 1661 2005 .15B .27A .38 .28B .13B .50 .51 .35 .54 .64 10 CAMPS09B 1788 2005 .16B .20B .35 .58 .71 11 CAMPS05B 1760 2005 .26A .16B .23A .44 .63 .60 12 CAMPS04A 1744 2005 .35 .36 .54 .56 .51 .67 .51 13 CAMPS04B 1593 2005 .46 .48 .36 .40 .41 .28A .22B .44 .57 .58 .20B .32A .69 14 CAMPS12B 1740 2005 .29B .24B .40 .64 .56 .55 .54 15 CAMPS12B 1550 1699 .31A .43 .60 .65 .28B 16 CAMPS03A 1413 1668 .37 .44 .57 .57 .55 .50 .47 .50 .45 .53 17 CAMPS03B 1400 1666 .49 .49 .58 .60 .53 .49 .50 .58 .47 .26B 18 CAMPS01A 1402 1729 .12B .13B .52 .61 .42 .30A .27B .27B .44 .44 .25B .23A .26A Av segment correlation .33 .35 .56 .59 .43 .37 .35 .42 .46 .46 .34 .41 .41 .31 .29 .41 .47 .41 .48 .57 PART 5: CORRELATION OF SERIES BY SEGMENTS: Camgang 16:40 Thu 01 Sep 2011 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CAMPS06A 1570 2005 .54 .34B .35 .38 2 CAMPS13A 1716 2005 .64 .59 .50 .51 3 CAMPS07A 1581 2005 .52 .36B .33 .29A 4 CAMPS02A 1539 2005 .43 .41 .54 .55 5 CAMPS02B 1519 2005 .49 .50 .47 .46 6 CAMPS13B 1791 2005 .54 .49 .43 .49 7 CAMPS09A 1793 2005 .74 .58 .54 .54 8 CAMPS05A 1789 2005 .43 .44 .43 .45 9 CAMPS08A 1661 2005 .67 .48 .44 .42 10 CAMPS09B 1788 2005 .66 .51 .48 .49 11 CAMPS05B 1760 2005 .58 .62 .57 .54 12 CAMPS04A 1744 2005 .46 .42 .29A .28A 13 CAMPS04B 1593 2005 .59 .57 .72 .73 14 CAMPS12B 1740 2005 .47 .45 .34 .42 Av segment correlation .55 .48 .46 .47 PART 7: DESCRIPTIVE STATISTICS: Camgang 16:40 Thu 01 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 CAMPS06A 1570 2005 436 18 4 .364 1.12 4.73 .953 .897 .212 2.35 .188 -.029 1 2 CAMPS13A 1716 2005 290 12 0 .521 1.09 3.20 .496 .894 .154 2.65 .468 -.002 5 3 CAMPS07A 1581 2005 425 17 7 .403 1.14 4.12 .704 .888 .186 2.76 .371 -.023 3 4 CAMPS02A 1539 2005 467 19 5 .364 .78 4.62 .588 .853 .181 2.72 .307 -.024 1 5 CAMPS02B 1519 2005 487 20 5 .420 .81 3.10 .445 .889 .176 2.69 .374 -.062 1 6 CAMPS13B 1791 2005 215 9 0 .465 1.26 2.86 .455 .815 .166 2.78 .476 -.040 4 7 CAMPS09A 1793 2005 213 9 2 .515 1.28 2.75 .498 .898 .134 2.44 .290 -.001 1 8 CAMPS05A 1789 2005 217 9 0 .457 1.05 4.39 .536 .860 .173 2.49 .332 -.030 2 9 CAMPS08A 1661 2005 345 14 4 .433 1.19 3.84 .557 .905 .161 2.57 .332 -.003 3 10 CAMPS09B 1788 2005 218 9 2 .425 1.08 2.22 .413 .863 .150 2.43 .255 .007 1 11 CAMPS05B 1760 2005 246 10 3 .467 .85 4.43 .417 .613 .235 2.84 .397 .046 4 12 CAMPS04A 1744 2005 262 11 2 .448 1.37 4.03 .795 .871 .214 2.63 .376 -.021 1 13 CAMPS04B 1593 2005 413 17 4 .423 1.02 3.85 .492 .831 .220 2.54 .273 -.011 1 14 CAMPS12B 1740 2005 266 11 2 .472 .59 1.61 .264 .743 .233 2.90 .426 .042 1 15 CAMPS12B 1550 1699 150 5 2 .413 .71 1.85 .344 .826 .203 2.75 .454 -.024 3 16 CAMPS03A 1413 1668 256 10 0 .474 1.32 4.83 1.065 .977 .135 2.65 .396 .007 1 17 CAMPS03B 1400 1666 267 10 1 .468 1.47 7.32 1.466 .963 .180 2.42 .280 -.038 2 18 CAMPS01A 1402 1729 328 13 8 .297 1.05 4.69 .857 .963 .138 2.53 .323 -.046 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5501 223 51 .426 1.05 7.32 .642 .869 .182 2.90 .342 -.017