Ovoont, Mongolia - mong029 Additional Site Information Gordon Jacoby, Rosanne D'Arrigo, Brendan Buckley, Nicole Davi Neil Pederson, and Baatarbileg Nachin 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 : MONG029.CRN Measurement file name : MONG029.RWL Date checked : 31OCT11 Checked by : B. Bauer Beginning year : 1249 Ending year : 1998 Principal investigators: G. Jacoby R. D'Arrigo B. Buckley N. Davi N. Pederson B. Nachin Site name : Ovoont Site location : Mongolia Species information : LASI SIBERIAN LARCH Latitude : 4952 Longitude : 9126 Elevation : M Series intercorrelation: 0.768 Avg mean sensitivity : 0.334 Avg standard deviation : 0.307 Avg autocorrelation : 0.757 Number dated series : 36 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ovoont 15:42 Mon 31 Oct 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 OVL1E 1558 1822 .43 .56 .76 .83 .74 .75 .78 .82 .82 2 OVL1W 1591 1998 .66 .70 .74 .64 .65 .76 .72 .71 3 OVL2SE 1510 1998 .80 .76 .70 .60 .65 .79 .69 .73 .82 .88 .87 4 OVL2NW 1580 1969 .71 .76 .89 .88 .88 .85 .87 .80 5 OVL3W 1744 1998 .86 .85 6 OVL3E 1757 1998 .81 7 OVL4N 1606 1998 .73 .77 .81 .78 .75 .82 .77 8 OVL4SW 1729 1998 .86 .79 10 OVL5N 1249 1998 .74 .79 .80 .85 .92 .94 .91 .87 .83 .82 .79 .77 .69 .63 .77 .76 .73 .69 .86 .84 11 OVL5S 1305 1998 .73 .73 .81 .88 .89 .86 .86 .89 .89 .80 .80 .85 .80 .83 .84 .87 .83 .89 .86 12 OVL5W 1276 1998 .75 .77 .79 .85 .92 .90 .84 .85 .87 .81 .69 .76 .74 .72 .80 .79 .81 .79 .89 .83 13 OVL6E 1611 1998 .73 .74 .75 .73 .70 .68 .65 14 OVL7N 1668 1998 .81 .89 .88 .86 .82 15 OVL7S 1618 1998 .81 .85 .88 .89 .85 .85 .82 16 OVL8N 1601 1980 .77 .71 .59 .63 .55 .72 .82 18 OVL9N 1590 1998 .67 .70 .85 .87 .78 .69 .84 .85 19 OVL10N 1668 1998 .90 .89 .88 .81 .82 20 OVL10S 1645 1998 .42 .54 .83 .82 .81 .80 21 OVL10W 1717 1998 .82 .81 .82 23 OVL12W 1542 1998 .57 .59 .65 .75 .79 .83 .79 .80 .84 .81 24 OVL12S 1559 1998 .67 .71 .65 .74 .85 .80 .66 .75 .82 25 OVL13W 1612 1998 .57 .60 .79 .70 .68 .74 .78 26 OVL14N 1766 1998 .73 27 OVL15S 1504 1998 .37 .64 .62 .55 .61 .75 .77 .79 .80 .78 .78 28 OVL15SW 1475 1998 .66 .61 .71 .78 .74 .72 .75 .70 .64 .78 .82 .81 29 OVL16N 1651 1998 .54 .87 .90 .87 .79 30 OVL16S 1679 1998 .83 .83 .87 .81 31 OVL17N 1695 1997 .73 .73 .72 .68 33 OVL18N 1764 1998 .78 34 OVL18S 1766 1998 .68 35 OVL20N 1449 1998 .62 .63 .83 .80 .78 .85 .87 .81 .66 .70 .82 .86 .81 .73 36 OVL20S 1462 1998 .69 .81 .83 .84 .75 .80 .81 .68 .54 .72 .85 .80 .80 Av segment correlation .75 .76 .78 .84 .91 .91 .81 .78 .82 .74 .73 .70 .70 .72 .75 .75 .78 .78 .82 .79 PART 5: CORRELATION OF SERIES BY SEGMENTS: Ovoont 15:42 Mon 31 Oct 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 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 OVL1E 1558 1822 .80 2 OVL1W 1591 1998 .80 .78 .73 .77 .72 .72 .65 .59 3 OVL2SE 1510 1998 .85 .80 .81 .82 .82 .82 .68 .73 4 OVL2NW 1580 1969 .75 .80 .82 .85 .72 .68 .65 5 OVL3W 1744 1998 .90 .87 .83 .83 .83 .67 .60 .75 6 OVL3E 1757 1998 .83 .81 .83 .81 .83 .83 .73 .72 7 OVL4N 1606 1998 .72 .77 .81 .81 .80 .76 .70 .74 8 OVL4SW 1729 1998 .72 .79 .80 .79 .76 .75 .66 .65 9 OVL4S 1785 1998 .80 .88 .82 .81 .75 .72 .74 .68 10 OVL5N 1249 1998 .83 .80 .74 .81 .84 .72 .59 .69 11 OVL5S 1305 1998 .77 .74 .75 .80 .77 .72 .63 .78 12 OVL5W 1276 1998 .76 .72 .72 .80 .80 .66 .57 .80 13 OVL6E 1611 1998 .74 .84 .75 .68 .73 .78 .76 .83 14 OVL7N 1668 1998 .81 .90 .92 .85 .76 .84 .71 .73 15 OVL7S 1618 1998 .82 .84 .86 .89 .84 .82 .71 .78 16 OVL8N 1601 1980 .84 .73 .71 .83 .84 .79 .75 .71 17 OVL8S 1789 1998 .83 .84 .85 .83 .84 .85 .81 .75 18 OVL9N 1590 1998 .87 .86 .79 .80 .83 .75 .77 .77 19 OVL10N 1668 1998 .91 .83 .78 .80 .79 .75 .63 .66 20 OVL10S 1645 1998 .87 .86 .81 .85 .88 .81 .72 .70 21 OVL10W 1717 1998 .87 .86 .78 .80 .84 .79 .71 .78 22 OVL11W 1781 1997 .83 .81 .81 .85 .77 .67 .61 .73 23 OVL12W 1542 1998 .83 .74 .73 .77 .82 .86 .74 .78 24 OVL12S 1559 1998 .87 .86 .90 .90 .88 .85 .70 .76 25 OVL13W 1612 1998 .87 .85 .74 .75 .83 .77 .64 .69 26 OVL14N 1766 1998 .66 .65 .54 .63 .75 .68 .61 .58 27 OVL15S 1504 1998 .82 .78 .81 .84 .82 .79 .79 .81 28 OVL15SW 1475 1998 .87 .85 .79 .81 .82 .75 .63 .63 29 OVL16N 1651 1998 .82 .89 .87 .89 .88 .83 .70 .76 30 OVL16S 1679 1998 .83 .91 .88 .87 .89 .86 .67 .72 31 OVL17N 1695 1997 .76 .79 .80 .82 .79 .67 .68 .82 32 OVL17W 1776 1998 .84 .86 .86 .90 .90 .67 .60 .82 33 OVL18N 1764 1998 .75 .76 .76 .77 .84 .82 .77 .80 34 OVL18S 1766 1998 .72 .79 .77 .77 .82 .82 .69 .70 35 OVL20N 1449 1998 .69 .47 .67 .78 .66 .73 .83 .69 36 OVL20S 1462 1998 .77 .65 .75 .80 .68 .68 .74 .61 Av segment correlation .81 .80 .79 .81 .80 .76 .69 .73 PART 7: DESCRIPTIVE STATISTICS: Ovoont 15:42 Mon 31 Oct 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 OVL1E 1558 1822 265 10 0 .710 .71 1.51 .326 .682 .336 2.58 .330 .005 2 2 OVL1W 1591 1998 408 16 0 .702 .84 2.16 .371 .727 .276 2.63 .348 .020 2 3 OVL2SE 1510 1998 489 19 0 .777 .54 1.90 .323 .831 .274 2.54 .318 .011 1 4 OVL2NW 1580 1969 390 15 0 .777 .45 1.55 .274 .858 .291 2.61 .408 .010 1 5 OVL3W 1744 1998 255 10 0 .794 .55 .97 .185 .577 .285 2.58 .399 -.019 3 6 OVL3E 1757 1998 242 9 0 .795 .52 1.14 .225 .710 .325 2.50 .346 .005 2 7 OVL4N 1606 1998 393 15 0 .763 .71 2.29 .393 .739 .342 2.76 .330 -.008 5 8 OVL4SW 1729 1998 270 10 0 .769 .63 1.48 .276 .772 .257 2.65 .392 -.003 2 9 OVL4S 1785 1998 214 8 0 .762 .57 1.31 .233 .661 .282 2.68 .351 -.003 2 10 OVL5N 1249 1998 750 28 0 .771 .48 1.71 .309 .876 .275 2.51 .299 -.021 1 11 OVL5S 1305 1998 694 27 0 .804 .50 2.42 .363 .851 .287 2.48 .299 -.008 2 12 OVL5W 1276 1998 723 28 0 .790 .46 1.66 .283 .858 .270 2.45 .274 -.003 1 13 OVL6E 1611 1998 388 15 0 .746 .49 1.77 .244 .726 .329 2.80 .390 -.029 2 14 OVL7N 1668 1998 331 13 0 .819 .71 1.95 .270 .681 .270 2.51 .337 .002 2 15 OVL7S 1618 1998 381 15 0 .825 .57 2.01 .308 .768 .322 2.46 .280 -.001 1 16 OVL8N 1601 1980 380 15 0 .731 .27 .77 .134 .584 .375 2.62 .360 -.010 1 17 OVL8S 1789 1998 210 8 0 .811 .45 1.51 .257 .723 .332 2.58 .334 .000 1 18 OVL9N 1590 1998 409 16 0 .794 .44 1.38 .236 .664 .390 2.57 .345 -.014 2 19 OVL10N 1668 1998 331 13 0 .799 .53 1.39 .258 .681 .361 2.54 .332 .022 1 20 OVL10S 1645 1998 354 14 0 .758 .56 2.18 .334 .774 .375 2.59 .398 .014 1 21 OVL10W 1717 1998 282 11 0 .804 .71 1.61 .281 .638 .297 2.62 .372 .047 1 22 OVL11W 1781 1997 217 8 0 .752 .57 1.77 .305 .691 .355 2.64 .393 .013 1 23 OVL12W 1542 1998 457 18 0 .758 .57 2.46 .421 .873 .287 2.51 .340 .016 1 24 OVL12S 1559 1998 440 17 0 .798 .53 1.93 .392 .893 .303 2.47 .298 .004 2 25 OVL13W 1612 1998 387 15 0 .731 .45 1.39 .211 .730 .302 2.59 .351 .012 1 26 OVL14N 1766 1998 233 9 0 .640 .92 1.95 .344 .715 .220 2.64 .484 .003 1 27 OVL15S 1504 1998 495 19 0 .704 .40 1.21 .213 .526 .445 2.64 .429 .010 1 28 OVL15SW 1475 1998 524 20 0 .741 .54 1.71 .262 .684 .355 2.69 .359 .027 1 29 OVL16N 1651 1998 348 13 0 .802 .50 1.57 .256 .758 .343 2.37 .272 -.006 2 30 OVL16S 1679 1998 320 12 0 .831 .60 1.78 .290 .710 .325 2.56 .386 .013 2 31 OVL17N 1695 1997 303 12 0 .749 .42 1.13 .191 .719 .292 2.61 .343 .014 2 32 OVL17W 1776 1998 223 8 0 .790 .34 1.02 .157 .666 .314 2.40 .303 .013 2 33 OVL18N 1764 1998 235 9 0 .785 .80 2.97 .580 .829 .388 2.72 .422 .027 1 34 OVL18S 1766 1998 233 9 0 .740 .70 2.28 .456 .764 .430 2.64 .397 -.005 1 35 OVL20N 1449 1998 550 22 0 .759 .45 3.54 .477 .866 .496 2.57 .360 -.004 1 36 OVL20S 1462 1998 537 21 0 .750 .39 3.05 .416 .842 .532 2.51 .286 -.009 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 13661 527 0 .768 .53 3.54 .307 .757 .334 2.80 .344 .003