North Fork Ridge, Montana - MT110 and MT111 Additional Site Information John C. King Purpose of Collection: Climatology - precipitation analyses. Detrend method: Negative exponontial or linear regression with negative or 0 slope. Cores are stored at: Lone Pine Research, 2604 Westridge Drive, Bozeman, MT 59715 Samples are available on request to qualified research institutions 1000 year tree-ring chronologies were developed for both Douglas-fir (MT110) and limber pine (MT111) at the "North Fork Ridge" collection site. Cross-dating in the early portion of the Douglas-fir chronology was verified with the limber pine chronology. Optimized COFECHA settings: 5yr spline, 60yr segments lagged by 5yr, no autoregressive modeling. COFECHA output: Chronology file name : MT110.CRN Measurement file name : MT110.RWL Date checked : 24MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 819 Ending year : 2000 Principal investigators: John C. King Site name : North Fork Ridge Site location : Montana Species information : PSME DOUGLAS-FIR Latitude : +4518 Longitude : -11120 Elevation : 2500M Series intercorrelation: 0.567 Avg mean sensitivity : 0.216 Avg standard deviation : 0.171 Avg autocorrelation : 0.742 Number dated series : 36 Segment length tested : 50 Number problem segments: 28 Pct problem segments : 6.73 PART 5: CORRELATION OF SERIES BY SEGMENTS: mt110.rwl 12:04 Thu 24 Mar 2005 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 950 975 1000 1025 1050 1075 1100 1125 1150 1175 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 999 1024 1049 1074 1099 1124 1149 1174 1199 1224 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 9 NFR107 1424 2000 .50 .50 22 NFR123X 819 1101 .39 .45 .45 .43 .16B .16B 23 NFR124X 1215 1477 .61 .61 .61 .70 .74 .55 .53 .76 .77 .67 25 NFR126X 1146 1464 .22A .33 .42 .30A .37B .45 .54 .54 .35 .44 .35B .29B .37 26 NFR128X 1079 1349 .52 .64 .50 .48 .54 .61 .61 .50 .70 .74 27 NFR129AX 955 1518 .39 .44 .32A .55 .31A .10B .36 .46 .42 .32A .40 .51 .51 .57 .58 .49 .35 .50 .57 .69 31 NFR132X 1097 1345 .49 .53 .45 .33 .42 .39 .53 .70 .72 .52 32 NFR133X 1258 1521 .67 .71 .66 .46 .47 .71 .71 .64 33 NFR134X 1034 1395 .58 .49 .56 .65 .43 .34 .58 .59 .62 .64 .55 .57 .65 .60 34 NFR135X 1009 1683 .20A .42 .19B .27A .53 .49 .51 .48 .44 .65 .73 .73 .73 .74 .68 .72 .77 .76 Av segment correlation .39 .45 .32 .50 .29 .35 .54 .42 .40 .46 .48 .56 .60 .65 .64 .54 .51 .61 .60 .61 PART 5: CORRELATION OF SERIES BY SEGMENTS: mt110.rwl 12:04 Thu 24 Mar 2005 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 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 NFR99 1808 2000 .73 .82 .80 .72 .59 .67 2 NFR100 1452 1920 .59 .65 .74 .71 .75 .74 .50 .53 .68 .75 .59 .38 .39 .59 .65 .76 .61 .56 3 NFR101 1556 2000 .63 .60 .52 .55 .62 .73 .66 .62 .55 .66 .79 .81 .82 .74 .40 .41 4 NFR102 1731 2000 .36 .56 .43 .61 .79 .66 .43 .49 .65 5 NFR103 1821 2000 .39 .40 .35B .28B .28B .32A 6 NFR104 1546 1908 .52 .60 .72 .60 .60 .67 .44 .32A .48 .64 .58 .50 .70 .80 .80 7 NFR105 1730 2000 .34B .41 .46 .65 .79 .69 .64 .58 .62 8 NFR106 1461 2000 .52 .60 .56 .40 .65 .68 .54 .57 .61 .54 .50 .45 .60 .51 .45 .54 .53 .52 .54 .68 9 NFR107 1424 2000 .51 .51 .62 .55 .60 .70 .60 .40 .52 .56 .49 .50 .57 .58 .61 .76 .69 .59 .64 .64 10 NFR108 1531 2000 .57 .76 .75 .57 .63 .53 .50 .57 .56 .72 .59 .48 .68 .75 .76 .76 .73 11 NFR109 1503 1860 .61 .71 .90 .85 .64 .72 .79 .79 .66 .57 .57 .61 .67 .68 12 NFR110 1732 2000 .39 .50 .45 .46 .48 .52 .62 .62 .57 13 NFR111 1627 2000 .50 .74 .51 .36 .47 .62 .64 .64 .73 .74 .77 .73 .73 14 NFR112 1760 2000 .36 .38 .33B .29B .55 .67 .61 .68 15 NFR113 1830 2000 .35 .40 .26B .33A .53 16 NFR116 1713 2000 .54 .54 .66 .64 .65 .72 .75 .82 .72 .71 17 NFR117 1795 2000 .52 .58 .75 .62 .63 .78 .66 18 NFR118 1813 2000 .57 .56 .57 .61 .62 .79 19 NFR119 1805 2000 .58 .70 .70 .53 .47 .52 20 NFR121 1735 2000 .23B .24B .55 .61 .77 .66 .54 .65 .59 21 NFR122 1540 1648 .53 .67 .67 .47 23 NFR124X 1215 1477 .69 24 NFR125X 1560 1660 .72 .67 .59 .46 27 NFR129AX 955 1518 .72 .62 28 NFR129BX 1540 1674 .48 .67 .54 .52 .36 29 NFR130X 1501 1644 .63 .50 .73 .80 .66 30 NFR131X 1540 1685 .60 .74 .83 .44 .41 .54 32 NFR133X 1258 1521 .62 .49 34 NFR135X 1009 1683 .79 .65 .60 .68 .79 .69 .57 .73 .74 35 NFR136X 1586 1688 .51 .35 .22B .30B 36 NFR137X 1489 1649 .52 .59 .57 .77 .77 .65 Av segment correlation .64 .58 .62 .57 .71 .70 .55 .51 .61 .61 .52 .45 .53 .54 .58 .65 .64 .60 .58 .62 PART 5: CORRELATION OF SERIES BY SEGMENTS: mt110.rwl 12:04 Thu 24 Mar 2005 Page 7 ------------------------------------------------------------------------------------------------------------------------------------ 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 NFR99 1808 2000 .76 .76 3 NFR101 1556 2000 .67 .65 4 NFR102 1731 2000 .67 .65 5 NFR103 1821 2000 .46 .43 7 NFR105 1730 2000 .71 .72 8 NFR106 1461 2000 .54 .52 9 NFR107 1424 2000 .58 .58 10 NFR108 1531 2000 .79 .79 12 NFR110 1732 2000 .60 .58 13 NFR111 1627 2000 .67 .69 14 NFR112 1760 2000 .59 .57 15 NFR113 1830 2000 .49 .47 16 NFR116 1713 2000 .74 .73 17 NFR117 1795 2000 .38 .40 18 NFR118 1813 2000 .87 .86 19 NFR119 1805 2000 .54 .53 20 NFR121 1735 2000 .54 .53 Av segment correlation .62 .62 PART 7: DESCRIPTIVE STATISTICS: mt110.rwl 12:04 Thu 24 Mar 2005 Page 13 ------------------------------------------------------------------------------------------------------------------------------------ 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 NFR99 1808 2000 193 8 0 .721 .33 .53 .069 .361 .189 2.52 .357 -.043 1 2 NFR100 1452 1920 469 18 0 .621 .31 .76 .130 .809 .181 2.60 .354 -.022 1 3 NFR101 1556 2000 445 18 0 .643 .52 1.67 .223 .742 .222 2.73 .390 -.016 2 4 NFR102 1731 2000 270 11 0 .555 .37 .67 .106 .636 .195 2.60 .362 -.028 2 5 NFR103 1821 2000 180 8 4 .350 .46 1.10 .189 .516 .323 2.66 .404 -.089 3 6 NFR104 1546 1908 363 15 1 .569 .48 1.35 .224 .802 .211 2.62 .382 -.044 1 7 NFR105 1730 2000 271 11 1 .578 .51 1.83 .316 .841 .211 2.69 .441 -.035 1 8 NFR106 1461 2000 540 22 0 .549 .18 .61 .087 .869 .192 2.65 .368 .008 2 9 NFR107 1424 2000 577 24 0 .569 .38 1.15 .189 .860 .229 2.58 .331 -.024 1 10 NFR108 1531 2000 470 19 0 .653 .28 .72 .113 .754 .212 2.62 .344 -.024 1 11 NFR109 1503 1860 358 14 0 .711 .48 1.95 .346 .883 .247 2.59 .357 -.030 1 12 NFR110 1732 2000 269 11 0 .512 .37 .87 .150 .868 .167 2.59 .364 -.022 1 13 NFR111 1627 2000 374 15 0 .617 .66 2.45 .423 .910 .173 2.62 .412 -.049 1 14 NFR112 1760 2000 241 10 2 .490 .45 1.49 .134 .491 .199 2.87 .450 -.034 2 15 NFR113 1830 2000 171 7 2 .398 .27 .60 .104 .726 .220 2.57 .400 -.050 3 16 NFR116 1713 2000 288 12 0 .670 .37 .65 .104 .697 .180 2.49 .349 -.010 1 17 NFR117 1795 2000 206 9 0 .561 .71 1.55 .287 .855 .158 2.60 .343 .009 1 18 NFR118 1813 2000 188 8 0 .658 .58 1.54 .278 .871 .176 2.60 .359 -.013 1 19 NFR119 1805 2000 196 8 0 .559 .35 .77 .104 .753 .164 2.58 .303 -.034 1 20 NFR121 1735 2000 266 11 2 .524 .63 2.10 .463 .909 .184 2.89 .391 .032 1 21 NFR122 1540 1648 109 4 0 .529 .27 .50 .083 .257 .306 2.44 .360 .033 2 22 NFR123X 819 1101 283 6 2 .308 .44 1.43 .291 .848 .242 2.72 .384 .022 1 23 NFR124X 1215 1477 263 11 0 .650 .35 .69 .097 .671 .185 2.51 .343 .001 1 24 NFR125X 1560 1660 101 4 0 .570 .74 1.94 .359 .773 .228 2.78 .521 -.085 1 25 NFR126X 1146 1464 319 13 5 .383 .10 .28 .039 .730 .203 2.79 .420 -.012 2 26 NFR128X 1079 1349 271 10 0 .577 .12 .30 .050 .673 .259 2.76 .455 .023 2 27 NFR129AX 955 1518 564 22 4 .451 .18 1.42 .111 .576 .259 2.94 .345 -.026 1 28 NFR129BX 1540 1674 135 5 0 .455 .20 .41 .062 .646 .201 2.99 .536 -.047 1 29 NFR130X 1501 1644 144 5 0 .683 .62 1.23 .214 .723 .208 2.64 .398 .019 2 30 NFR131X 1540 1685 146 6 0 .613 .25 .78 .130 .774 .255 2.80 .397 -.059 1 31 NFR132X 1097 1345 249 10 0 .493 .23 .59 .104 .589 .289 2.77 .389 -.012 1 32 NFR133X 1258 1521 264 10 0 .626 .35 .68 .115 .821 .166 2.58 .370 -.022 1 33 NFR134X 1034 1395 362 14 0 .559 .15 .38 .048 .533 .208 2.77 .399 .017 1 34 NFR135X 1009 1683 675 27 3 .589 .27 .93 .143 .810 .258 2.78 .428 -.014 1 35 NFR136X 1586 1688 103 4 2 .387 .51 1.17 .253 .528 .359 2.74 .341 -.014 5 36 NFR137X 1489 1649 161 6 0 .671 .62 1.26 .204 .690 .214 2.56 .354 .000 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10484 416 28 .567 .37 2.45 .171 .742 .216 2.99 .381 -.018