LB Point, White Mountains, California - CA690 Additional Site Information James H. Speer NADEF2010 Ecology Group NOTES: Collected during the 2010 North American Dendroecological Fieldweek (NADEF), ecology group. COFECHA output: Chronology file name : CA690.CRN Measurement file name : CA690.RWL Date checked : 19JUN19 Checked by : B. Bauer Beginning year : 1284 Ending year : 2007 Principal investigators: James H. Speer NADEF2010 Ecology Group Site name : LB Point Site location : California Species information : PILO INTERMOUNTAIN BRISTLECONE PINE Latitude : 3718 Longitude : -11806 Elevation : 3230M Series intercorrelation: 0.583 Avg mean sensitivity : 0.332 Avg standard deviation : 0.258 Avg autocorrelation : 0.719 Number dated series : 9 Segment length tested : 50 Number problem segments: 9 Pct problem segments : 8.33 PART 5: CORRELATION OF SERIES BY SEGMENTS: LB Point 14:56 Wed 19 Jun 2019 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 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 3 LB333A 1772 2007 .39 5 LB294A 1286 2007 .41 .37 .51 .63 .64 .56 .51 .56 .72 .71 .52 .58 .47 .33 .34 .45 .63 .66 .73 .53 6 LB214A 1284 2007 .41 .37 .51 .63 .64 .56 .48 .44 .68 .72 .62 .69 .55 .49 .56 .29B .50 .74 .63 .32A 7 LB222B 1447 2007 .33 .36 .72 .76 .62 .72 .64 .52 .58 .62 .74 .79 .78 .57 Av segment correlation .41 .37 .51 .63 .64 .56 .44 .45 .70 .73 .59 .66 .56 .45 .49 .46 .62 .73 .71 .45 PART 5: CORRELATION OF SERIES BY SEGMENTS: LB Point 14:56 Wed 19 Jun 2019 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 1975 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 LB304A 1945 2007 .66 .66 .69 2 LB250A 1943 2007 .59 .64 .64 3 LB333A 1772 2007 .34 .44 .58 .68 .71 .75 .68 .60 .69 4 LB335A 1891 2007 .53 .53 .53B .22B .33 5 LB294A 1286 2007 .50 .65 .69 .74 .59 .63 .65 .34B .44 6 LB214A 1284 2007 .21B .52 .80 .80 .72 .66 .67 .58 .68 7 LB222B 1447 2007 .37B .48 .67 .77 .76 .83 .81 .69 .70 8 LB258A 1948 2007 .56 .52 .44 9 LB302A 1942 2007 .24B .31A .39 Av segment correlation .36 .52 .68 .75 .66 .68 .60 .51 .56 PART 7: DESCRIPTIVE STATISTICS: LB Point 14:56 Wed 19 Jun 2019 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 LB304A 1945 2007 63 3 0 .689 1.19 3.13 .694 .891 .230 2.40 .399 -.003 1 2 LB250A 1943 2007 65 3 0 .569 1.12 2.00 .368 .604 .244 2.57 .549 -.036 1 3 LB333A 1772 2007 236 10 0 .614 .60 1.33 .277 .564 .384 2.53 .389 -.013 1 4 LB335A 1891 2007 117 5 2 .423 1.02 2.45 .554 .820 .262 2.54 .377 .018 2 5 LB294A 1286 2007 722 29 1 .565 .41 1.07 .186 .729 .303 2.46 .222 -.007 1 6 LB214A 1284 2007 724 29 3 .599 .30 1.33 .184 .754 .389 2.64 .367 .009 1 7 LB222B 1447 2007 561 23 1 .639 .41 1.27 .209 .701 .331 2.65 .392 -.013 5 8 LB258A 1948 2007 60 3 0 .459 1.91 3.07 .609 .611 .223 2.45 .508 -.044 1 9 LB302A 1942 2007 66 3 2 .335 1.51 3.17 .846 .814 .252 2.36 .368 .035 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2614 108 9 .583 .52 3.17 .258 .719 .332 2.65 .343 -.003