Cottonwood Lower, California - CA669 Additional Site Information Matthew W. Salzer, Andrew G. Bunn, and Malcolm K. Hughes Cores are stored at: University of Arizona, Laboratory of Tree-Ring Research Reference: Salzer, M.W., M.K. Hughes, A.G. Bunn, and K.F. Kipfmueller. 2009. Recent unprecedented tree-ring growth in bristlecone pine at the highest elevations and possible causes. Proceedings of the National Academy of Sciences, Vol. 106, No. 48, pp. 20348-20353, 1 December 2009. doi:10.1073/pnas.0903029106 COFECHA output: Chronology file name : CA669.CRN Measurement file name : CA669.RWL Date checked : 23OCT09 Checked by : B. Bauer Beginning year : 1400 Ending year : 2006 Principal investigators: Matthew W. Salzer Andrew G. Bunn Malcolm K. Hughes Site name : Cottonwood Lower Site location : California Species information : PILO INTERMOUNTAIN BRISTLECONE PINE Latitude : 3731 Longitude : -11810 Elevation : 3190M Series intercorrelation: 0.704 Avg mean sensitivity : 0.310 Avg standard deviation : 0.178 Avg autocorrelation : 0.635 Number dated series : 40 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 1.21 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cottonwood Lower 11:08 Fri 23 Oct 2009 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 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CWL05A 1400 2006 .74 .84 .87 .88 .77 .71 .72 .70 .69 .69 .67 .73 .79 .74 .66 .71 .74 .64 .66 .70 2 CWL05B 1840 2006 .56 .56 .56 3 CWL06A 1400 2006 .85 .76 .74 .84 .84 .87 .81 .78 .85 .82 .77 .75 .77 .83 .76 .64 .74 .81 .88 .88 4 CWL06B 1400 2006 .81 .62 .51 .81 .87 .83 .62 .63 .69 .78 .77 .74 .75 .81 .80 .69 .72 .84 .87 .85 5 CWL07A 1400 2006 .77 .70 .67 .75 .71 .62 .50 .67 .80 .73 .71 .77 .80 .76 .60 .55 .48 .52 .69 .73 6 CWL07B 1400 2006 .81 .62 .67 .84 .69 .63 .65 .60 .68 .74 .67 .69 .74 .73 .62 .65 .63 .65 .62 .62 7 CWL08A 1400 2006 .82 .85 .83 .73 .72 .78 .78 .77 .79 .76 .60 .64 .76 .72 .54 .58 .66 .60 .66 .69 8 CWL16A 1400 2006 .79 .82 .83 .87 .77 .71 .74 .79 .83 .81 .80 .80 .81 .81 .88 .85 .59 .66 .70 .64 9 CWL16B 1400 2006 .76 .78 .83 .83 .71 .68 .79 .86 .83 .79 .83 .85 .82 .79 .87 .87 .74 .78 .51 .43 10 CWL17C 1513 1862 .79 .87 .87 .87 .81 .75 .68 .71 .83 .62 .65 .64 .49 .56 11 CWL17D 1522 1776 .81 .79 .77 .72 .62 .72 .75 .63 .66 .64 .64 12 CWL18A 1482 2006 .49 .55 .50 .62 .70 .78 .91 .88 .84 .81 .73 .85 .86 .75 .68 .74 .79 13 CWL18B 1560 2006 .78 .78 .78 .85 .83 .81 .78 .75 .81 .77 .70 .65 .71 .77 14 CWL19A 1400 2006 .74 .68 .71 .72 .62 .64 .69 .72 .67 .53 .53 .54 .63 .77 .66 .63 .49 .52 .37 .34B 15 CWL19B 1400 2006 .78 .77 .75 .78 .83 .81 .80 .71 .69 .72 .74 .77 .74 .76 .57 .57 .65 .63 .54 .49 16 CWL20A 1542 2006 .57 .60 .74 .76 .81 .82 .79 .74 .79 .86 .88 .84 .74 .75 .75 17 CWL20B 1545 2006 .61 .61 .75 .77 .87 .85 .60 .49 .55 .78 .88 .89 .81 .70 .62 18 CWL21A 1653 2006 .77 .80 .81 .84 .91 .90 .80 .81 .76 .69 19 CWL21B 1652 2006 .83 .87 .86 .86 .92 .90 .79 .80 .74 .68 20 CWL01A 1400 2006 .58 .70 .76 .70 .73 .80 .76 .78 .77 .80 .85 .82 .73 .74 .87 .85 .77 .69 .62 .64 21 CWL01B 1438 2006 .69 .71 .75 .80 .77 .79 .71 .57 .77 .83 .62 .54 .58 .74 .61 .54 .68 .61 .65 22 CWL02A 1400 2006 .30A .55 .61 .59 .74 .57 .58 .68 .68 .66 .60 .64 .52 .52 .70 .70 .66 .75 .54 .39 23 CWL02B 1502 2006 .53 .53 .61 .65 .64 .73 .69 .64 .53 .47 .71 .71 .66 .76 .66 .59 24 CWL03A 1400 2006 .36 .67 .73 .75 .63 .54 .65 .77 .74 .69 .71 .74 .62 .43 .64 .63 .55 .56 .44 .42 25 CWL03B 1581 2006 .77 .80 .85 .82 .76 .73 .66 .72 .74 .76 .66 .46 .41 26 CWL04A 1764 2006 .60 .54 .50 .52 .68 .72 27 CWL04B 1669 1987 .75 .73 .76 .76 .81 .81 .72 .76 .80 .78 28 CWL10A 1557 2006 .77 .75 .62 .76 .77 .57 .56 .77 .86 .82 .72 .60 .69 .72 29 CWL10B 1526 2006 .76 .83 .81 .67 .80 .82 .76 .72 .67 .79 .83 .72 .64 .71 .74 30 CWL11A 1706 2006 .84 .89 .85 .82 .73 .70 .75 .79 31 CWL11B 1606 1749 .71 .80 .85 .77 .65 32 CWL11C 1758 2006 .77 .85 .68 .67 .79 .80 33 CWL12A 1641 2006 .69 .73 .73 .67 .58 .84 .83 .60 .57 .76 .58 34 CWL12B 1766 2006 .80 .83 .71 .64 .77 .61 35 CWL13A 1400 2006 .81 .76 .71 .76 .77 .76 .80 .82 .73 .75 .84 .75 .75 .77 .67 .66 .69 .68 .34 .27B 36 CWL13B 1400 2006 .77 .58 .65 .81 .75 .66 .76 .86 .71 .64 .73 .79 .78 .75 .52 .46 .44 .49 .28B .28B 37 CWL14A 1400 2006 .79 .80 .86 .86 .74 .73 .84 .76 .71 .76 .77 .79 .79 .77 .91 .91 .82 .83 .77 .67 38 CWL14B 1570 2006 .82 .75 .68 .79 .83 .68 .63 .63 .84 .83 .66 .69 .57 .52 39 CWL15A 1491 2006 .41 .45 .50 .60 .55 .31B .54 .70 .70 .76 .74 .69 .60 .60 .68 .78 .75 40 CWL15B 1792 2006 .79 .78 .82 .83 .75 Av segment correlation .72 .72 .73 .75 .72 .69 .72 .74 .71 .75 .76 .73 .72 .71 .75 .74 .68 .68 .66 .63 PART 5: CORRELATION OF SERIES BY SEGMENTS: Cottonwood Lower 11:08 Fri 23 Oct 2009 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 1900 1925 1950 1975 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 CWL05A 1400 2006 .78 .79 .69 .68 2 CWL05B 1840 2006 .78 .70 .61 .61 3 CWL06A 1400 2006 .62 .63 .62 .65 4 CWL06B 1400 2006 .57 .63 .68 .69 5 CWL07A 1400 2006 .81 .76 .61 .62 6 CWL07B 1400 2006 .80 .75 .48 .49 7 CWL08A 1400 2006 .68 .66 .63 .69 8 CWL16A 1400 2006 .66 .73 .67 .69 9 CWL16B 1400 2006 .66 .72 .71 .74 12 CWL18A 1482 2006 .75 .70 .65 .73 13 CWL18B 1560 2006 .68 .66 .69 .79 14 CWL19A 1400 2006 .58 .56 .52 .54 15 CWL19B 1400 2006 .48 .49 .24B .28A 16 CWL20A 1542 2006 .62 .69 .58 .58 17 CWL20B 1545 2006 .72 .74 .60 .69 18 CWL21A 1653 2006 .62 .70 .79 .84 19 CWL21B 1652 2006 .72 .75 .76 .81 20 CWL01A 1400 2006 .69 .64 .53 .57 21 CWL01B 1438 2006 .69 .63 .46 .55 22 CWL02A 1400 2006 .75 .78 .64 .75 23 CWL02B 1502 2006 .73 .75 .63 .70 24 CWL03A 1400 2006 .47 .54 .62 .74 25 CWL03B 1581 2006 .37 .44 .54 .67 26 CWL04A 1764 2006 .68 .72 .49 .58 27 CWL04B 1669 1987 .78 .74 .61 28 CWL10A 1557 2006 .76 .79 .65 .55 29 CWL10B 1526 2006 .81 .83 .72 .68 30 CWL11A 1706 2006 .80 .81 .75 .80 32 CWL11C 1758 2006 .68 .64 .70 .78 33 CWL12A 1641 2006 .41 .63 .60 .71 34 CWL12B 1766 2006 .54 .69 .37 .51 35 CWL13A 1400 2006 .46 .39 .32A .38 36 CWL13B 1400 2006 .46 .36 .47 .46 37 CWL14A 1400 2006 .75 .78 .63 .71 38 CWL14B 1570 2006 .65 .76 .74 .80 39 CWL15A 1491 2006 .69 .69 .63 .72 40 CWL15B 1792 2006 .62 .65 .68 .78 Av segment correlation .66 .67 .60 .65 PART 7: DESCRIPTIVE STATISTICS: Cottonwood Lower 11:08 Fri 23 Oct 2009 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 CWL05A 1400 2006 607 24 0 .728 .44 1.30 .206 .428 .457 2.53 .402 -.031 5 2 CWL05B 1840 2006 167 7 0 .632 .19 .40 .074 .339 .393 2.47 .316 -.030 1 3 CWL06A 1400 2006 607 24 0 .806 .20 .49 .094 .355 .523 2.63 .312 -.030 5 4 CWL06B 1400 2006 607 24 0 .789 .21 .51 .096 .386 .521 2.38 .296 -.029 3 5 CWL07A 1400 2006 607 24 0 .706 .18 .49 .079 .391 .430 2.50 .350 -.011 5 6 CWL07B 1400 2006 607 24 0 .668 .26 .73 .123 .655 .394 2.47 .316 -.030 5 7 CWL08A 1400 2006 607 24 0 .741 .26 .67 .119 .374 .502 2.53 .378 -.032 5 8 CWL16A 1400 2006 607 24 0 .763 .37 1.31 .161 .676 .284 2.57 .318 -.015 1 9 CWL16B 1400 2006 607 24 0 .761 .35 1.04 .154 .688 .279 2.50 .286 -.004 1 10 CWL17C 1513 1862 350 14 0 .727 .32 .65 .105 .639 .240 2.51 .339 -.012 1 11 CWL17D 1522 1776 255 11 0 .718 .15 .35 .055 .490 .309 2.44 .261 -.037 1 12 CWL18A 1482 2006 525 21 0 .729 .39 1.03 .204 .886 .210 2.45 .307 -.024 2 13 CWL18B 1560 2006 447 18 0 .755 .35 1.31 .199 .885 .220 2.45 .315 -.024 3 14 CWL19A 1400 2006 607 24 1 .592 .26 .64 .100 .567 .286 2.67 .333 -.023 1 15 CWL19B 1400 2006 607 24 2 .660 .25 .62 .099 .586 .291 2.75 .404 -.009 1 16 CWL20A 1542 2006 465 19 0 .726 .40 1.43 .266 .881 .257 2.49 .342 .002 1 17 CWL20B 1545 2006 462 19 0 .712 .39 1.29 .226 .857 .249 2.52 .275 -.010 4 18 CWL21A 1653 2006 354 14 0 .792 .36 .92 .167 .805 .248 2.47 .316 -.008 1 19 CWL21B 1652 2006 355 14 0 .815 .37 .77 .114 .474 .257 2.62 .314 -.004 1 20 CWL01A 1400 2006 607 24 0 .716 .52 1.22 .198 .428 .358 2.50 .311 -.013 2 21 CWL01B 1438 2006 569 23 0 .663 .62 1.68 .235 .608 .291 2.56 .344 -.004 1 22 CWL02A 1400 2006 607 24 1 .618 .47 1.10 .173 .478 .342 2.43 .286 -.009 4 23 CWL02B 1502 2006 505 20 0 .649 .55 1.81 .291 .763 .328 2.43 .333 -.018 2 24 CWL03A 1400 2006 607 24 0 .612 .51 1.90 .257 .864 .208 2.46 .273 -.024 2 25 CWL03B 1581 2006 426 17 0 .667 .68 1.26 .204 .649 .222 2.41 .308 .001 1 26 CWL04A 1764 2006 243 10 0 .594 .75 1.75 .249 .778 .167 2.59 .456 -.071 1 27 CWL04B 1669 1987 319 13 0 .755 .58 1.27 .225 .848 .183 2.53 .413 -.030 1 28 CWL10A 1557 2006 450 18 0 .689 .46 1.17 .213 .757 .276 2.46 .262 -.046 3 29 CWL10B 1526 2006 481 19 0 .724 .45 1.40 .215 .780 .294 2.47 .277 -.016 1 30 CWL11A 1706 2006 301 12 0 .779 .67 1.60 .217 .633 .238 2.41 .271 .005 1 31 CWL11B 1606 1749 144 5 0 .733 .56 1.05 .181 .621 .239 2.66 .523 .000 2 32 CWL11C 1758 2006 249 10 0 .725 .69 1.55 .247 .669 .235 2.46 .281 -.015 2 33 CWL12A 1641 2006 366 15 0 .681 .87 2.01 .347 .784 .228 2.53 .284 -.001 2 34 CWL12B 1766 2006 241 10 0 .671 .79 1.35 .215 .631 .184 2.38 .291 -.027 3 35 CWL13A 1400 2006 607 24 2 .650 .39 .77 .147 .646 .305 2.49 .308 -.013 7 36 CWL13B 1400 2006 607 24 2 .614 .36 .77 .164 .629 .384 2.59 .410 -.005 1 37 CWL14A 1400 2006 607 24 0 .781 .47 .96 .179 .688 .278 2.36 .289 -.011 1 38 CWL14B 1570 2006 437 18 0 .720 .62 1.19 .182 .650 .206 2.33 .207 -.006 1 39 CWL15A 1491 2006 516 21 1 .626 .65 1.81 .290 .779 .241 2.51 .346 .003 4 40 CWL15B 1792 2006 215 9 0 .744 .37 .82 .150 .598 .309 2.52 .404 -.012 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 18554 741 9 .704 .42 2.01 .178 .635 .310 2.75 .323 -.016