Mainling, Tibet - CHIN044 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 : CHIN044.CRN Measurement file name : CHIN044.RWL Date checked : 24JUL13 Checked by : B. Bauer Beginning year : 1047 Ending year : 1993 Principal investigators: Achim Brauning Site name : Mainling Site location : China-Tibet Species information : JUTI TIBETAN JUNIPER Latitude : 2904 Longitude : 09357 Elevation : M Series intercorrelation: 0.352 Avg mean sensitivity : 0.172 Avg standard deviation : 0.110 Avg autocorrelation : 0.867 Number dated series : 10 Segment length tested : 50 Number problem segments: 90 Pct problem segments : 40.91 PART 5: CORRELATION OF SERIES BY SEGMENTS: Mainling 11:32 Wed 24 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 1150 1175 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1199 1224 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ma9_1 1421 1993 .41 .39 .18B .04B .28A .59 .53 .38 .43 .46 2 ma9_10 1527 1991 -.02B-.02B .07B .09B .18B 3 ma9_2 1499 1993 .45 .48 .39 .41 .40B .69 .65 4 ma9_3 1047 1993 .15B .10B-.01B .11B .31A .48 .46 .34 .22B .38 .56 .39 .39 .50 .58 .61 .49 .51 .60 .56 6 ma9_5 1448 1879 .50 .45 .31B .47 .55 .44 .32A .18B .11B 7 ma9_6 1166 1993 .15B .10B-.04B-.01B .29A .49 .53 .43 .09B .15B .30B .39 .40 .38 .42 .45 .58 .56 .49 .38 9 ma9_8 1241 1993 .36 .41 .49 .59 .37 .18B .42 .49 .43 .44 .44 .51 .44 .33 .38 .67 .57 10 ma9_9 1358 1971 .15B .11B .20B .23B .26B .12B .24B .32B .32A .13B .18B .37 Av segment correlation .15 .10 -.03 .15 .34 .49 .53 .38 .16 .27 .39 .39 .35 .32 .43 .42 .38 .34 .42 .41 PART 5: CORRELATION OF SERIES BY SEGMENTS: Mainling 11:32 Wed 24 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 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ma9_1 1421 1993 .36 .24B .00B-.18B .29A .51 .46 .47 .58 .65 .51 .37 .26A 2 ma9_10 1527 1991 .21B .26B .18B .18B .42 .58 .34 .04B .28A .45 .50 .57 .49 3 ma9_2 1499 1993 .39B .31A .27A .19B .45 .59 .35 .18B .37 .47 .44 .44 .38 4 ma9_3 1047 1993 .33 .36 .24B .20B .57 .57 .27B .35 .62 .52 .33 .47 .49 5 ma9_4 1767 1993 .55 .55 .53 .33 .22B .39 .39 .35 .34B 6 ma9_5 1448 1879 .19B .28A .29B .23B .38 .43 -.02B-.08B .01B 7 ma9_6 1166 1993 .26B .42 .42 .40 .42 .38 .28A .23A .27A .22B .20A .57 .58 8 ma9_7 1681 1982 .35 .27B .31A .34B .45 .35 .23A .48 .49 .53 .51 .47 9 ma9_8 1241 1993 .33A .56 .51 .37 .53 .58 .40 .15B .29B .39B .50 .58 .62 10 ma9_9 1358 1971 .15B .20B .36 .21B .54 .60 .32A .22B .16B .16B .17B .29A Av segment correlation .28 .33 .28 .21 .45 .52 .33 .21 .33 .42 .40 .46 .45 PART 7: DESCRIPTIVE STATISTICS: Mainling 11:32 Wed 24 Jul 2013 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 ma9_1 1421 1993 573 23 8 .356 .39 .84 .108 .877 .109 2.51 .315 -.011 1 2 ma9_10 1527 1991 465 18 11 .262 .32 .84 .107 .872 .131 2.80 .392 -.014 1 3 ma9_2 1499 1993 495 20 6 .423 .34 .95 .126 .823 .179 2.62 .375 .010 1 4 ma9_3 1047 1993 947 33 9 .373 .17 .58 .091 .841 .231 2.61 .346 -.004 3 5 ma9_4 1767 1993 227 9 2 .385 .46 .76 .106 .761 .134 2.58 .435 .022 1 6 ma9_5 1448 1879 432 18 11 .302 .27 .66 .091 .864 .151 2.52 .296 .001 1 7 ma9_6 1166 1993 828 33 14 .319 .27 .90 .136 .885 .187 2.59 .294 -.010 2 8 ma9_7 1681 1982 302 12 4 .406 .39 1.02 .242 .951 .150 2.60 .353 -.003 1 9 ma9_8 1241 1993 753 30 5 .444 .15 .66 .074 .901 .178 2.71 .383 -.017 2 10 ma9_9 1358 1971 614 24 20 .255 .24 .50 .092 .861 .174 2.55 .357 -.011 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5636 220 90 .352 .27 1.02 .110 .867 .172 2.80 .348 -.006