Densa Thel, Tibet - CHIN043 Additional Site Information Achim Brauning Purpose of Collection: Climatology - temperature analyses Reference: PAGES 2k Consortium. 2013. Continental-scale temperature variability during the past two millennia. Nature Geoscience, Vol. 6, pp. 339-346, May 2013. DOI: 10.1038/NGEO1797 COFECHA output: Chronology file name : CHIN043.CRN Measurement file name : CHIN043.RWL Date checked : 25JUL13 Checked by : B. Bauer Beginning year : 1217 Ending year : 1998 Principal investigators: Achim Brauning Site name : Densa Thel Site location : China-Tibet Species information : JUTI TIBETAN JUNIPER Latitude : 2918 Longitude : 09158 Elevation : M Series intercorrelation: 0.621 Avg mean sensitivity : 0.328 Avg standard deviation : 0.222 Avg autocorrelation : 0.721 Number dated series : 22 Segment length tested : 50 Number problem segments: 31 Pct problem segments : 9.14 Run DENS Title: Densa Thel PART 5: CORRELATION OF SERIES BY SEGMENTS: Densa Thel 11:38 Thu 25 Jul 2013 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 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 dt9_10a 1301 1820 .11B-.02B .31B .23B .44 .61 .38 .72 .73 .77 .82 .45 .44 .54 .50 .75 2 dt9_11a 1472 1998 .67 .68 .66 .61 .62 .51 .50 .45 .70 .77 3 dt9_12a 1526 1998 .71 .70 .63 .71 .70 .76 .81 4 dt9_13a 1431 1856 .33 .35 .73 .68 .74 .77 .73 .78 .76 .74 .70 5 dt9_17a 1217 1421 .74 .77 .85 .80 .79 .72 .73 .67 6 dt9_17b 1217 1419 .82 .83 .88 .73 .74 .78 .72 .62 7 dt9_17c 1218 1423 .77 .79 .82 .77 .76 .75 .77 .62 8 dt9_1a 1491 1998 .80 .82 .85 .78 .50 .72 .73 .44 .58 9 dt9_1b1 1285 1589 .31B .28B-.02B-.13B .03B .53 .57 .57 .77 .74 .83 .76 11 dt9_22a 1243 1526 .46 .47 .53 .59 .49 .52 .62 .45 .47 .57 .61 .63 12 dt9_22b 1243 1481 .34 .33 .48 .47 .34 .55 .64 .31B .13B .10B 13 dt9_2a 1504 1998 .62 .59 .56 .46 .57 .63 .65 .55 14 dt9_3a 1648 1925 .62 .58 .60 15 dt9_3b 1394 1998 .59 .60 .60 .44 .72 .67 .60 .68 .53 .56 .68 .60 .64 17 dt9_5a 1281 1939 .69 .69 .70 .59 .57 .38 .35B .54 .75 .74 .67 .68 .72 .79 .82 .67 .76 18 dt9_5b 1677 1998 .79 19 dt9_6a 1359 1985 .00B-.03B .58 .62 .47 .60 .52 .29B .28B .17B .42 .73 .58 .61 20 dt9_7 1385 1998 .48 .56 .55 .48 .67 .64 .56 .60 .72 .84 .89 .86 .81 21 dt9_8a 1656 1998 .70 .58 22 dt9_9a 1516 1977 .69 .71 .72 .71 .75 .78 .74 .71 Av segment correlation .78 .64 .67 .62 .55 .47 .45 .46 .48 .47 .46 .71 .68 .66 .66 .56 .64 .69 .65 .69 PART 5: CORRELATION OF SERIES BY SEGMENTS: Densa Thel 11:38 Thu 25 Jul 2013 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 dt9_10a 1301 1820 .58 .54 .76 .77 2 dt9_11a 1472 1998 .57 .37B .51 .78 .68 .46 .30A .31A .47 .37 .42 3 dt9_12a 1526 1998 .84 .84 .80 .79 .79 .63 .68 .78 .65 .54 .58 4 dt9_13a 1431 1856 .56 .67 .76 .72 .75 .65 8 dt9_1a 1491 1998 .75 .80 .83 .78 .62 .42 .81 .89 .76 .56 .55 10 dt9_1b2 1873 1998 .81 .82 .67 .59 .60 13 dt9_2a 1504 1998 .47 .63 .67 .77 .80 .56 .80 .77 .48 .55 .62 14 dt9_3a 1648 1925 .63 .67 .65 .47 .37 .16B .76 .84 .80 15 dt9_3b 1394 1998 .66 .75 .77 .73 .78 .69 .81 .87 .62 .51 .65 16 dt9_4a 1825 1998 .74 .73 .77 .61 .44 .52 17 dt9_5a 1281 1939 .87 .76 .78 .88 .89 .70 .64 .70 .66 18 dt9_5b 1677 1998 .79 .79 .80 .82 .82 .70 .86 .83 .68 .63 .58 19 dt9_6a 1359 1985 .73 .63 .69 .80 .68 .52 .24A .14B .26B .17A .12B 20 dt9_7 1385 1998 .73 .70 .73 .83 .84 .80 .35 .24A .41 .68 .73 21 dt9_8a 1656 1998 .43 .62 .64 .80 .54 .11B .46 .65 .47 .09B .30A 22 dt9_9a 1516 1977 .76 .75 .80 .87 .64 .39 .83 .90 .72 .39 .39 Av segment correlation .67 .68 .73 .77 .71 .54 .65 .68 .59 .46 .50 PART 7: DESCRIPTIVE STATISTICS: Densa Thel 11:38 Thu 25 Jul 2013 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 dt9_10a 1301 1820 520 20 4 .538 .56 1.71 .285 .823 .272 2.56 .291 -.031 1 2 dt9_11a 1472 1998 527 21 3 .542 .33 1.14 .188 .819 .340 2.46 .279 -.007 1 3 dt9_12a 1526 1998 473 18 0 .720 .36 .84 .128 .524 .280 2.64 .292 -.011 2 4 dt9_13a 1431 1856 426 17 0 .677 .49 1.28 .225 .772 .266 2.39 .257 -.042 1 5 dt9_17a 1217 1421 205 8 0 .736 .53 1.77 .394 .865 .423 2.58 .443 -.084 1 6 dt9_17b 1217 1419 203 8 0 .758 .54 1.57 .348 .810 .410 2.39 .291 -.038 1 7 dt9_17c 1218 1423 206 8 0 .740 .42 1.45 .268 .761 .396 2.49 .335 -.066 1 8 dt9_1a 1491 1998 508 20 0 .715 .58 1.41 .244 .780 .239 2.50 .326 -.005 1 9 dt9_1b1 1285 1589 305 12 5 .459 .58 1.90 .309 .639 .368 2.59 .352 .010 1 10 dt9_1b2 1873 1998 126 5 0 .707 .41 .85 .203 .776 .355 2.32 .326 -.039 1 11 dt9_22a 1243 1526 284 12 0 .524 .44 1.30 .242 .769 .392 2.60 .406 -.043 1 12 dt9_22b 1243 1481 239 10 3 .360 .44 1.25 .206 .597 .373 2.79 .414 -.019 1 13 dt9_2a 1504 1998 495 19 0 .627 .58 1.35 .213 .683 .232 2.36 .206 -.021 1 14 dt9_3a 1648 1925 278 12 1 .589 .37 .92 .162 .769 .277 2.37 .283 -.007 1 15 dt9_3b 1394 1998 605 24 0 .658 .59 1.67 .300 .803 .259 2.41 .273 -.036 1 16 dt9_4a 1825 1998 174 6 0 .648 .45 1.14 .231 .553 .443 2.54 .354 -.006 1 17 dt9_5a 1281 1939 659 26 1 .689 .42 1.27 .175 .604 .321 2.44 .300 -.021 1 18 dt9_5b 1677 1998 322 12 0 .766 .47 .91 .183 .683 .269 2.44 .344 -.024 1 19 dt9_6a 1359 1985 627 25 10 .445 .23 1.02 .150 .701 .472 2.49 .306 -.023 1 20 dt9_7 1385 1998 614 24 1 .641 .50 1.30 .219 .668 .330 2.41 .266 -.003 1 21 dt9_8a 1656 1998 343 13 3 .503 .39 .83 .176 .826 .243 2.60 .355 .001 1 22 dt9_9a 1516 1977 462 19 0 .722 .39 1.14 .230 .720 .468 2.50 .327 -.025 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 8601 339 31 .621 .46 1.90 .222 .721 .328 2.79 .306 -.022