Dhur, Bhutan - bt008 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 : BT008.CRN Measurement file name : BT008.RWL Date checked : 06SEP11 Checked by : B. Bauer Beginning year : 1280 Ending year : 2003 Principal investigators: Edward R. Cook, Paul J. Krusic, and Dorji Dukpa Site name : Dhur Site location : Bhutan Species information : PCSN SIKKIM SPRUCE Latitude : 2735 Longitude : 09039 Elevation : M Series intercorrelation: 0.522 Avg mean sensitivity : 0.192 Avg standard deviation : 0.520 Avg autocorrelation : 0.883 Number dated series : 44 Segment length tested : 50 Number problem segments: 73 Pct problem segments : 9.25 PART 5: CORRELATION OF SERIES BY SEGMENTS: Dhur 14:29 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 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DPS01A 1621 2003 .37 .52 .56 .63 .62 .61 .83 2 DPS01B 1632 2003 .48 .55 .54 .60 .59 .71 3 DPS02A 1390 2002 .64 .67 .67 .61 .53 .47 .64 .67 .51 .58 .69 .52 .63 .79 .69 .73 4 DPS02B 1402 2002 .50 .53 .50 .49 .59 .59 .58 .66 .62 .46 .34B .59 .67 .55 .53 5 DPS03A 1596 2003 .43 .43 .57 .59 .43 .30B .48 .69 6 DPS03B 1596 2003 .35 .35 .67 .68 .51 .52 .65 .74 7 DPS04A 1354 1670 .52 .42 .50 .60 .60 .51 .50 .68 .69 .51 .21B .31A 8 DPS04B 1451 1747 .45 .44 .47 .67 .70 .40 .43 .54 .50 .51 .54 9 DPS05A 1575 2003 .24A .42 .64 .56 .58 .59 .36 .56 10 DPS05B 1581 2003 .37 .36 .43 .52 .64 .76 .61 .48 11 DPS06A 1659 2003 .43 .64 .77 .64 .68 12 DPS06B 1732 2003 .63 .74 13 DPS07A 1598 2003 .31B .32B .55 .57 .67 .66 .57 .59 14 DPS07B 1581 2003 .00B .32B .53 .62 .67 .62 .49 .54 15 DPS08A 1684 2003 .49 .56 .54 .51 16 DPS08B 1688 2003 .42 .39 .38 .51 17 DPS09A 1583 2003 .27B .51 .69 .49 .46 .53 .54 .53 18 DPS09B 1579 2003 .45 .26B .55 .57 .52 .55 .40 .21A 20 DPS11A 1583 2003 .04B .19B .35 .63 .77 .63 .44 .61 21 DPS11B 1581 2003 -.03B .20B .46 .71 .77 .59 .52 .68 22 DPS12A 1441 2001 .50 .53 .61 .58 .66 .59 .39 .52 .64 .45 .41 .46 .33B .46 23 DPS12B 1453 2001 .39 .58 .56 .68 .69 .54 .58 .75 .66 .59 .52 .55 .50 24 DPS13A 1592 2003 .09B .28B .46 .51B .56 .67 .56 .58 25 DPS13B 1610 2003 .48 .51 .45 .55 .71 .55 .55 26 DPS14A 1280 1750 .64 .47 .36 .43 .37 .42 .39 .40 .52 .46 .43 .57 .61 .51 .44 .28A .31A .47 .49 27 DPS14B 1284 2003 .63 .46 .42 .64 .43 .21A .25B .47 .43 .25B .35 .55 .50 .46 .58 .55 .57 .64 .60 .66 29 DPS15A 1376 2001 .40 .62 .63 .49 .46 .51 .62 .69 .67 .63 .62 .59 .52 .55 .57 .71 30 DPS15B 1391 2001 .67 .64 .68 .60 .52 .41 .48 .67 .70 .70 .70 .55 .41 .43 .57 .73 31 DPS16A 1329 1770 .04B .27B .02B .21A .34 .41 .47 .53 .33A .16B .39 .51 .47 .34B .51 .54 .39B 32 DPS16B 1561 1770 .40 .33B .43 .47 .48 .59 .69 .28A 33 DPS17A 1451 2001 .39 .46 .63 .63 .61 .63 .53 .55 .53 .40 .47 .63 .72 34 DPS17B 1560 2003 .58 .63 .61 .66 .62 .45 .40 .45 .68 35 DPS18A 1481 2003 .53 .63 .71 .58 .37 .39 .43 .43 .53 .47 .33 .52 36 DPS18B 1450 2003 .34 .36 .54 .70 .63 .43 .51 .60 .53 .62 .33 .30B .72 37 DPS19A 1390 2001 .41 .49 .60 .45 .49 .68 .64 .66 .65 .60 .72 .71 .43 .44 .66 .78 38 DPS19B 1322 1931 .30B .30B .37 .47 .66 .60 .36B .39 .52 .51 .50 .48 .56 .53 .52 .57 .54 .55 .64 39 DPS21A 1512 1940 .49 .61 .71 .54 .44 .47 .44 .24A .27A .30B .34 40 DPS21B 1522 1999 .44 .49 .47 .41 .42B .31B .17B .55 .65 .36 .41 41 DPS23A 1525 2003 .50 .56 .53 .44 .36 .39 .44 .58 .67 .54 42 DPS23B 1481 1958 .24B .46 .62 .65 .57 .57 .53 .51 .60 .62 .64 .67 43 DPS25A 1525 2003 .61 .71 .51 .45 .64 .62 .34B .38 .44 .57 44 DPS25B 1497 2000 .20B .20B .34 .41 .49 .45 .53 .49 .30A .46 .56 .69 Av segment correlation .63 .41 .28 .45 .42 .49 .53 .47 .46 .50 .57 .58 .43 .45 .54 .52 .52 .55 .51 .60 PART 5: CORRELATION OF SERIES BY SEGMENTS: Dhur 14:29 Tue 06 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 1775 1800 1825 1850 1875 1900 1925 1950 1975 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 DPS01A 1621 2003 .73 .63 .59 .61 .72 .59 .62 .81 .81 2 DPS01B 1632 2003 .69 .65 .68 .65 .57 .41 .51 .70 .71 3 DPS02A 1390 2002 .59 .49 .61 .48 .52 .50 .54 .71 .67 4 DPS02B 1402 2002 .65 .51 .45 .52 .51 .53 .53 .65 .64 5 DPS03A 1596 2003 .59 .53 .41 .44 .65 .59 .61 .71 .63 6 DPS03B 1596 2003 .58 .39 .41 .57 .73 .58 .50 .57 .61 9 DPS05A 1575 2003 .63 .41 .39 .62 .74 .71 .68 .57 .58 10 DPS05B 1581 2003 .53 .65 .59 .69 .74 .64 .61 .56 .62 11 DPS06A 1659 2003 .65 .46 .55 .63 .68 .57 .44 .46 .44 12 DPS06B 1732 2003 .68 .54 .61 .64 .75 .72 .71 .67 .62 13 DPS07A 1598 2003 .62 .71 .77 .75 .78 .61 .59 .73 .72 14 DPS07B 1581 2003 .59 .64 .72 .68 .75 .74 .70 .70 .72 15 DPS08A 1684 2003 .45 .17B .29A .55 .59 .32A .39 .55 .51 16 DPS08B 1688 2003 .49 .39B .42 .63 .39 .13B .35 .51 .56 17 DPS09A 1583 2003 .51 .51 .50 .56 .63 .59 .59 .63 .64 18 DPS09B 1579 2003 .28B .46 .48 .63 .65 .44 .36 .56 .60 19 DPS10B 1794 2003 .50 .56 .47 .36 .55 .29A .37 .69 .70 20 DPS11A 1583 2003 .71 .58 .50 .62 .70 .48 .55 .75 .75 21 DPS11B 1581 2003 .69 .53 .48 .60 .71 .48 .55 .66 .70 22 DPS12A 1441 2001 .53 .38 .35 .48 .55 .39 .49 .56 .50 23 DPS12B 1453 2001 .38 .37B .40 .43 .39 .38 .36 .53 .55 24 DPS13A 1592 2003 .53 .42 .43 .48 .41 .28B .42 .58 .61 25 DPS13B 1610 2003 .57 .33B .20B .37B .73 .77 .57 .57 .59 27 DPS14B 1284 2003 .61 .45 .51 .60 .63 .34 .40 .64 .66 28 DPS14C 1800 2003 .34 .46 .46 .61 .64 .61 .51 .53 29 DPS15A 1376 2001 .72 .64 .60 .64 .74 .72 .57 .42 .35 30 DPS15B 1391 2001 .68 .67 .55 .54 .79 .71 .62 .42 .37B 33 DPS17A 1451 2001 .63 .48 .36 .39 .70 .56 .39 .59 .57 34 DPS17B 1560 2003 .64 .50 .52 .57 .71 .60 .53 .65 .63 35 DPS18A 1481 2003 .60 .54 .52 .40 .41 .39 .47 .58 .54 36 DPS18B 1450 2003 .62 .26A .39 .52 .57 .39 .36 .49 .51 37 DPS19A 1390 2001 .67 .63 .62 .48 .73 .72 .63 .59 .57 38 DPS19B 1322 1931 .70 .62 .54 .49 .61 .47 39 DPS21A 1512 1940 .34 .05B .05B .21B .24B .17B 40 DPS21B 1522 1999 .42 .21B .27A .50 .57 .53 .58 .33A 41 DPS23A 1525 2003 .60 .63 .48 .50 .74 .66 .59 .66 .65 42 DPS23B 1481 1958 .60 .40 .45 .42 .52 .56 .59 43 DPS25A 1525 2003 .60 .37 .46 .61 .63 .42 .43 .46 .43 44 DPS25B 1497 2000 .76 .40 .28A .47 .47 .38 .43 .48 .47 Av segment correlation .59 .47 .47 .53 .62 .51 .52 .59 .59 PART 7: DESCRIPTIVE STATISTICS: Dhur 14:29 Tue 06 Sep 2011 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- 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 DPS01A 1621 2003 383 16 0 .623 .87 2.03 .421 .944 .125 2.61 .418 -.016 3 2 DPS01B 1632 2003 372 15 0 .605 .80 2.58 .405 .896 .158 2.71 .381 -.022 4 3 DPS02A 1390 2002 613 25 0 .581 .84 3.78 .630 .968 .131 2.57 .311 .010 6 4 DPS02B 1402 2002 601 24 1 .549 .85 3.30 .513 .949 .146 2.63 .360 .003 7 5 DPS03A 1596 2003 408 17 1 .525 .83 3.59 .483 .947 .136 2.73 .345 -.049 3 6 DPS03B 1596 2003 408 17 0 .533 .76 3.86 .562 .968 .129 2.51 .326 .001 1 7 DPS04A 1354 1670 317 12 2 .502 1.17 3.95 .914 .951 .198 2.40 .254 -.017 3 8 DPS04B 1451 1747 297 11 0 .437 .71 1.95 .415 .934 .172 2.27 .187 -.016 1 9 DPS05A 1575 2003 429 17 1 .538 .71 5.53 .644 .979 .119 2.55 .364 -.023 1 10 DPS05B 1581 2003 423 17 0 .588 .72 3.52 .510 .941 .152 2.51 .252 -.037 2 11 DPS06A 1659 2003 345 14 0 .562 1.04 7.27 .839 .949 .185 2.67 .371 .003 3 12 DPS06B 1732 2003 272 11 0 .643 1.06 3.14 .406 .696 .203 2.80 .407 -.047 3 13 DPS07A 1598 2003 406 17 2 .615 .90 2.55 .469 .881 .161 2.67 .406 -.026 3 14 DPS07B 1581 2003 423 17 2 .588 .95 2.81 .527 .876 .181 2.62 .365 -.021 4 15 DPS08A 1684 2003 320 13 3 .486 1.25 2.78 .504 .811 .203 2.52 .365 .021 1 16 DPS08B 1688 2003 316 13 2 .415 1.14 3.26 .471 .792 .218 2.64 .267 -.003 3 17 DPS09A 1583 2003 421 17 1 .525 .85 2.06 .257 .846 .136 2.54 .332 -.013 1 18 DPS09B 1579 2003 425 17 3 .465 .71 2.05 .316 .893 .155 2.65 .386 .025 1 19 DPS10B 1794 2003 210 9 1 .486 1.84 3.70 .559 .814 .143 2.60 .432 -.022 1 20 DPS11A 1583 2003 421 17 2 .547 1.10 3.11 .444 .865 .155 2.81 .409 .014 2 21 DPS11B 1581 2003 423 17 2 .538 1.20 3.27 .572 .912 .148 2.70 .418 -.014 1 22 DPS12A 1441 2001 561 23 1 .497 .71 2.66 .557 .915 .266 2.67 .272 -.032 3 23 DPS12B 1453 2001 549 22 1 .518 .78 2.15 .414 .887 .236 2.69 .365 .008 3 24 DPS13A 1592 2003 412 17 4 .456 .85 3.68 .429 .893 .162 2.80 .430 -.025 2 25 DPS13B 1610 2003 394 16 3 .534 .88 1.96 .354 .898 .129 2.66 .401 -.030 3 26 DPS14A 1280 1750 471 19 2 .454 1.09 4.53 .828 .914 .261 2.49 .254 -.030 2 27 DPS14B 1284 2003 720 29 3 .503 .81 5.00 .734 .931 .226 2.64 .278 -.019 9 28 DPS14C 1800 2003 204 8 0 .585 .32 .62 .108 .602 .297 2.54 .340 -.028 4 29 DPS15A 1376 2001 626 25 0 .593 .65 1.56 .310 .877 .229 2.51 .299 .017 5 30 DPS15B 1391 2001 611 25 1 .589 .55 1.23 .242 .826 .258 2.60 .260 .005 3 31 DPS16A 1329 1770 442 17 8 .321 .94 3.07 .701 .933 .190 2.60 .367 .008 6 32 DPS16B 1561 1770 210 8 2 .430 .51 1.77 .241 .827 .227 2.62 .352 -.024 1 33 DPS17A 1451 2001 551 22 0 .548 .66 1.60 .263 .830 .173 2.70 .292 -.003 9 34 DPS17B 1560 2003 444 18 0 .584 .87 1.95 .210 .620 .159 2.59 .344 .019 5 35 DPS18A 1481 2003 523 21 0 .480 .76 3.39 .470 .878 .239 2.60 .314 -.024 5 36 DPS18B 1450 2003 554 22 2 .467 1.01 3.20 .593 .872 .210 2.57 .219 -.026 3 37 DPS19A 1390 2001 612 25 0 .631 .56 1.54 .241 .680 .262 2.52 .277 .011 3 38 DPS19B 1322 1931 610 25 3 .555 .52 2.68 .266 .839 .285 2.43 .265 .002 9 39 DPS21A 1512 1940 429 17 8 .319 1.21 3.63 .787 .922 .161 2.71 .372 -.024 3 40 DPS21B 1522 1999 478 19 6 .405 .97 4.34 .748 .939 .191 2.74 .330 -.036 4 41 DPS23A 1525 2003 479 19 0 .555 1.11 3.66 .758 .922 .189 2.81 .376 -.024 3 42 DPS23B 1481 1958 478 19 1 .532 .91 3.32 .688 .939 .221 2.59 .293 -.021 3 43 DPS25A 1525 2003 479 19 1 .493 1.04 3.92 .608 .900 .184 2.66 .324 -.016 4 44 DPS25B 1497 2000 504 21 4 .440 1.11 7.32 1.236 .953 .205 2.88 .413 -.018 4 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 19574 789 73 .522 .87 7.32 .520 .883 .192 2.88 .331 -.011