Mu Cang Chai, Vietnam - VIET002 Additional Site Information M.Sano B.M. Buckley T. Sweda Purpose of Collection: Climatology Notes: Data originally archived for this collection were isotope data, not ringwidth data. File viet002.rwl was updated 6/19/2017 to contain the ring width data series. The originally archived isotope data have been saved in a separate file https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/asia/viet002-isotopes.txt References: 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 Sano, M., B. M. Buckley, and T. Sweda. 2009. Tree-ring based hydroclimate reconstruction over northern Vietnam from Fokienia hodginsii: eighteenth century mega-drought and tropical Pacific influence Climate Dynamics, 33, 331-340. COFECHA output: Chronology file name : VIET002.CRN Measurement file name : VIET002.RWL Date checked : 19JUN17 Checked by : B. Bauer Beginning year : 1470 Ending year : 2004 Principal investigators: M.Sano B.M. Buckley T. Sweda Site name : Mu Cang Chai Site location : Vietnam Species information : FOHO FUJIAN CYPRESS Latitude : 2140 Longitude : 10406 Elevation : M Series intercorrelation: 0.483 Avg mean sensitivity : 0.264 Avg standard deviation : 0.510 Avg autocorrelation : 0.732 Number dated series : 42 Segment length tested : 50 Number problem segments: 65 Pct problem segments : 14.44 PART 5: CORRELATION OF SERIES BY SEGMENTS: Mu Cang Chai 15:33 Mon 19 Jun 2017 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 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 VN213A 1755 2004 .64 .53 .56 .64 .53 .49 .44 .52 2 VN213B 1777 2004 .50 .67 .60 .63 .65 .38 .35 3 VN247A 1772 2004 .30A .27A .53 .78 .58 .45 .51 .64 4 VN247B 1774 2004 .33 .32A .53 .72 .65 .51 .51 .60 5 VN250A 1800 2004 .55 .76 .68 .41 .23B .44 6 VN250B 1800 2004 .37B .67 .71 .59 .47 .42 7 VN226A 1698 2004 .47 .46 .51 .26B .26B .56 .58 .47 .52 .59 .51 8 VN226B 1698 2004 .42 .41 .55 .42 .45 .65 .63 .46 .48 .61 .47 9 VN230A 1597 2004 .67 .72 .54 .56 .67 .62 .56 .41 .42 .65 .70 .69 .51 .26B .52 10 VN230B 1599 2004 .65 .68 .66 .58 .66 .64 .57 .39 .36 .61 .72 .57 .48 .59 .62 11 VN238A 1814 2004 .48 .62 .70 .61 .54 .58 12 VN238B 1758 2004 .34 .42 .44 .51 .48 .51 .52 .43 13 VN242A 1758 2004 .40 .45 .67 .73 .63 .46 .32A .43 14 VN242B 1758 2004 .27A .25B .57 .69 .54 .41 .30A .32A 15 VN260A 1643 2004 .27A .31B .19B .44B .67 .39B .39 .54 .59 .42 .43 .55 .61 16 VN260B 1643 2004 .19B .08B .22A .38 .45 .34 .36 .57 .54 .48 .41 .33 .51 17 VN228A 1470 2004 .54 .52 .24B .34 .33B .37 .59 .55 .47 .51 .53 .52 .55 .55 .49 .44 .55 .63 .42 .57 18 VN228B 1470 2004 .54 .52 .24B .34 .38 .28A .44 .67 .53 .47 .74 .74 .52 .60 .62 .50 .52 .57 .55 .67 19 VN204A 1596 2004 .38B .39 .45 .52 .56 .71 .58 .34 .52 .52 .63 .73 .72 .50 .46 20 VN204B 1608 2004 .40B .48 .48 .56 .64 .54 .42 .58 .56 .48 .54 .64 .65 .63 21 VN205A 1611 2004 .29A .39 .45 .48 .54 .48 .38B .45 .48 .65 .62 .53 .53 .62 22 VN205B 1670 2004 .65 .62 .61 .38 .43 .59 .58 .65 .60 .50 .46 .48 23 VN243A 1822 1958 .60 .53 .41 .48 .39 .34 24 VN243B 1818 1958 .67 .67 .54 .46 .25B .30B 25 VN244A 1865 2004 .43 .37 .16B .21B 26 VM244B 1867 2004 .45 .38 .30A .38 27 VN202A 1796 1980 .31A .27A .49 .66 .64 .57 .28A 28 VN202B 1755 1957 .52 .27B .32A .54 .61 .72 .53 .36 29 VN237A 1779 2004 .24A .30B .38 .30A .32A .25A .14B 30 VN237B 1786 2004 .25B .37 .57 .70 .55 .41 .47 31 VN252A 1796 1977 .42 .36B .49 .66 .72 .60 .23B 32 VN252B 1832 2004 .49 .55 .54 .45 .32B 33 VN257A 1770 2004 .26A .35 .49 .42 .41 .43 .24B .42 34 VN257B 1739 2004 .61 .46 .29B .40 .64 .56 .49 .48 .61 35 VN234A 1790 2004 .37 .33 .58 .50 .48 .51 .45 36 VN234B 1775 2002 .50 .46 .54 .48 .41 .38 .42 37 VN201A 1803 2004 .31A .45 .46 .57 .43 .41 38 VN201C 1895 2004 .36B .36 .62 39 VN206A 1890 2004 .52 .52 .57 40 VN206B 1735 2004 .33 .50 .44 .45 .66 .58 .44 .45 .36 41 VN246A 1705 2002 .70 .69 .64 .51 .19B .23B .55 .68 .57 .50 42 VN259B 1825 2004 .41 .48 .53 .22B .28B Av segment correlation .54 .52 .24 .34 .36 .47 .50 .47 .46 .49 .57 .55 .41 .41 .49 .58 .55 .51 .44 .45 PART 5: CORRELATION OF SERIES BY SEGMENTS: Mu Cang Chai 15:33 Mon 19 Jun 2017 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 1950 1975 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 VN213A 1755 2004 .54 .45 2 VN213B 1777 2004 .52 .58 3 VN247A 1772 2004 .57 .58 4 VN247B 1774 2004 .65 .68 5 VN250A 1800 2004 .62 .63 6 VN250B 1800 2004 .41 .48 7 VN226A 1698 2004 .52 .56 8 VN226B 1698 2004 .41 .47 9 VN230A 1597 2004 .64 .64 10 VN230B 1599 2004 .47 .48 11 VN238A 1814 2004 .61 .63 12 VN238B 1758 2004 .56 .61 13 VN242A 1758 2004 .45 .46 14 VN242B 1758 2004 .30A .30A 15 VN260A 1643 2004 .53 .51 16 VN260B 1643 2004 .28A .16B 17 VN228A 1470 2004 .68 .66 18 VN228B 1470 2004 .67 .65 19 VN204A 1596 2004 .33 .28A 20 VN204B 1608 2004 .52 .52 21 VN205A 1611 2004 .62 .44 22 VN205B 1670 2004 .48 .39 25 VN244A 1865 2004 .42 .55 26 VM244B 1867 2004 .53 .64 27 VN202A 1796 1980 .24B 29 VN237A 1779 2004 .45 .48 30 VN237B 1786 2004 .59 .63 31 VN252A 1796 1977 .21B 32 VN252B 1832 2004 .45 .53 33 VN257A 1770 2004 .59 .63 34 VN257B 1739 2004 .55 .59 35 VN234A 1790 2004 .60 .56 36 VN234B 1775 2002 .58 .34 37 VN201A 1803 2004 .46 .45 38 VN201C 1895 2004 .63 .61 39 VN206A 1890 2004 .64 .61 40 VN206B 1735 2004 .47 .48 41 VN246A 1705 2002 .45 .38 42 VN259B 1825 2004 .44 .39 Av segment correlation .50 .51 PART 7: DESCRIPTIVE STATISTICS: Mu Cang Chai 15:33 Mon 19 Jun 2017 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 VN213A 1755 2004 250 10 0 .519 1.31 4.11 .659 .785 .238 2.82 .410 -.007 1 2 VN213B 1777 2004 228 9 0 .535 1.59 4.70 .779 .719 .269 2.70 .403 -.068 2 3 VN247A 1772 2004 233 10 2 .511 1.40 2.94 .624 .831 .218 2.59 .363 -.014 1 4 VN247B 1774 2004 231 10 1 .561 1.56 3.47 .626 .777 .223 2.64 .409 -.012 1 5 VN250A 1800 2004 205 8 1 .518 1.25 2.98 .554 .776 .206 2.54 .332 .007 1 6 VN250B 1800 2004 205 8 1 .492 1.17 4.07 .498 .784 .207 2.53 .311 -.042 2 7 VN226A 1698 2004 307 13 2 .484 .69 2.29 .360 .857 .217 2.74 .347 .019 2 8 VN226B 1698 2004 307 13 0 .486 .80 2.07 .288 .761 .188 2.60 .402 -.033 1 9 VN230A 1597 2004 408 17 1 .557 .96 4.13 .675 .809 .280 2.87 .431 -.028 1 10 VN230B 1599 2004 406 17 0 .557 .95 4.27 .710 .829 .278 3.04 .433 -.061 1 11 VN238A 1814 2004 191 8 0 .580 1.15 3.27 .545 .686 .293 2.94 .522 -.049 1 12 VN238B 1758 2004 247 10 0 .474 1.36 3.21 .739 .783 .299 2.74 .366 -.011 1 13 VN242A 1758 2004 247 10 1 .487 1.22 4.40 1.055 .926 .275 2.49 .335 -.040 1 14 VN242B 1758 2004 247 10 6 .389 1.22 5.69 .946 .907 .274 2.58 .400 -.030 1 15 VN260A 1643 2004 362 15 5 .436 .99 3.22 .470 .718 .252 2.90 .390 -.013 2 16 VN260B 1643 2004 362 15 5 .326 .88 2.92 .503 .740 .333 2.83 .410 .006 2 17 VN228A 1470 2004 535 22 2 .466 .78 1.93 .340 .821 .208 2.59 .363 -.029 1 18 VN228B 1470 2004 535 22 2 .507 .60 1.63 .259 .831 .202 2.61 .295 -.020 1 19 VN204A 1596 2004 409 17 2 .505 1.03 3.83 .571 .762 .270 2.55 .313 -.032 1 20 VN204B 1608 2004 397 16 1 .528 .96 3.21 .460 .767 .243 2.69 .359 -.038 1 21 VN205A 1611 2004 394 16 2 .467 1.13 3.99 .517 .358 .382 2.80 .423 .007 1 22 VN205B 1670 2004 335 14 0 .499 .81 3.63 .561 .640 .389 2.72 .261 -.023 1 23 VN243A 1822 1958 137 6 0 .456 1.88 4.09 .689 .602 .250 2.76 .447 -.010 1 24 VN243B 1818 1958 141 6 2 .482 1.70 3.41 .703 .720 .225 2.71 .431 .069 1 25 VN244A 1865 2004 140 6 2 .392 1.56 5.03 .718 .653 .271 3.11 .623 -.053 1 26 VM244B 1867 2004 138 6 1 .447 2.00 5.26 .881 .662 .278 2.91 .538 -.014 2 27 VN202A 1796 1980 185 8 4 .436 .77 2.98 .320 .657 .240 2.59 .441 -.030 1 28 VN202B 1755 1957 203 8 2 .473 1.15 3.10 .557 .715 .228 2.60 .322 -.035 2 29 VN237A 1779 2004 226 9 6 .377 1.06 4.32 .693 .753 .348 2.88 .394 .004 1 30 VN237B 1786 2004 219 9 1 .540 1.22 4.07 .828 .801 .338 2.89 .405 -.081 1 31 VN252A 1796 1977 182 8 3 .449 .83 2.88 .378 .679 .250 2.62 .460 -.028 1 32 VN252B 1832 2004 173 7 1 .468 .82 2.50 .403 .622 .258 2.61 .348 -.028 1 33 VN257A 1770 2004 235 10 2 .428 .89 2.73 .355 .643 .270 2.74 .388 -.072 1 34 VN257B 1739 2004 266 11 1 .527 1.10 2.26 .374 .582 .229 2.67 .401 -.027 1 35 VN234A 1790 2004 215 9 0 .462 .56 2.37 .327 .755 .297 2.59 .365 -.042 2 36 VN234B 1775 2002 228 9 0 .420 .59 3.06 .436 .906 .245 2.57 .345 -.042 2 37 VN201A 1803 2004 202 8 1 .504 .58 1.38 .201 .320 .336 2.54 .288 -.008 3 38 VN201C 1895 2004 110 5 1 .489 .36 .63 .127 .529 .290 2.60 .493 .015 1 39 VN206A 1890 2004 115 5 0 .547 .56 1.27 .224 .667 .265 2.67 .426 .001 2 40 VN206B 1735 2004 270 11 0 .483 .96 2.37 .392 .645 .276 2.64 .402 -.063 1 41 VN246A 1705 2002 298 12 2 .526 .32 .84 .144 .712 .259 2.60 .316 .018 1 42 VN259B 1825 2004 180 7 2 .397 .59 1.32 .242 .772 .206 2.82 .396 .020 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10904 450 65 .483 .99 5.69 .510 .732 .264 3.11 .382 -.023