Anderson Ridge East, Wyoming - wy042 Additional Information Steve Gray Greg Pederson Tom Watson Anthony Barnett Purpose of Collection: Climatology - Snowpack reconstruction Reference: Pederson, G.T., S.T. Gray, C.A. Woodhouse, J.L. Betancourt, D.B. Fagre, J.S. Littell, E. Watson, B.H. Luckman, and L.J. Graumlich. 2011. The unusual nature of recent snowpack declines in the North American Cordillera. Sciencexpress, Published online 9 June 2011. DOI: 10.1126/science.1201570 COFECHA output: Chronology file name : WY042.CRN Measurement file name : WY042.RWL Date checked : 07JUN11 Checked by : B. Bauer Beginning year : 1200 Ending year : 2006 Principal investigators: Steve Gray Greg Pederson Tom Watson Anthony Barnett Site name : Anderson Ridge East Site location : Wyoming Species information : PIFL LIMBER PINE Latitude : 4227 Longitude : -10852 Elevation : 2431M Series intercorrelation: 0.705 Avg mean sensitivity : 0.324 Avg standard deviation : 0.261 Avg autocorrelation : 0.597 Number dated series : 28 Segment length tested : 50 Number problem segments: 3 Pct problem segments : 0.70 PART 5: CORRELATION OF SERIES BY SEGMENTS: Anderson Ridge East 16:38 Tue 07 Jun 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 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 3 ARE 203 1546 2006 .79 .75 .77 .84 .87 .77 .83 7 ARE 212 1587 2006 .78 .74 .58 .59 .68 8 ARE 211 1529 2006 .54 .54 .70 .66 .62 .54 .53 9 ARN 081 1653 2006 .69 .77 11 ARN 072 1663 2006 .58 .75 12 ARN 992 1537 1780 .59 .57 .66 .73 .76 .71 .77 13 ARN 991 1537 2006 .61 .62 .72 .77 .75 .76 .84 19 ARE 191 1347 2006 .72 .73 .81 .91 .95 .93 .88 .88 .83 .81 .81 .82 .82 .76 .81 20 ARE 062 1215 2006 .88 .87 .83 .85 .89 .88 .83 .86 .91 .90 .90 .88 .84 .78 .77 .82 .85 .84 .74 .74 21 ARE 064 1200 2006 .74 .84 .86 .85 .87 .83 .80 .88 .92 .95 .92 .82 .76 .75 .78 .85 .88 .83 .75 .80 22 ARE 194 1200 2006 .68 .71 .65 .67 .70 .76 .86 .88 .93 .91 .88 .88 .85 .83 .80 .84 .80 .76 .72 .76 24 ARE 202 1503 2006 .63 .73 .81 .82 .83 .81 .79 .86 Av segment correlation .77 .81 .78 .79 .82 .80 .81 .86 .92 .93 .91 .86 .79 .72 .72 .78 .79 .76 .70 .76 PART 5: CORRELATION OF SERIES BY SEGMENTS: Anderson Ridge East 16:38 Tue 07 Jun 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 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ARE 031 1732 2006 .56 .58 .65 .71 .72 .74 .71 .74 .77 .81 .83 2 ARE 121 1769 2006 .52 .62 .76 .77 .64 .69 .79 .73 .56 .63 3 ARE 203 1546 2006 .89 .91 .88 .86 .85 .83 .82 .72 .72 .82 .81 .83 4 ARN 312 1712 2006 .83 .85 .84 .77 .82 .86 .81 .68 .68 .82 .77 .80 5 ARN 311 1700 2006 .72 .79 .82 .82 .84 .85 .76 .72 .75 .70 .65 .77 6 ARN 142 1716 2006 .89 .84 .79 .84 .86 .77 .69 .58 .59 .74 .80 .78 7 ARE 212 1587 2006 .64 .73 .70 .64 .65 .66 .66 .57 .37 .55 .77 .78 8 ARE 211 1529 2006 .59 .78 .69 .65 .71 .58 .64 .73 .43 .39 .57 .66 9 ARN 081 1653 2006 .84 .85 .82 .64 .59 .76 .72 .65 .75 .80 .79 .80 10 ARN 372 1751 2005 .77 .62 .49 .43 .47 .48 .47 .58 .65 .69 11 ARN 072 1663 2006 .84 .75 .62 .56 .66 .66 .44 .41 .44 .53 .60 .67 12 ARN 992 1537 1780 .80 .86 .84 13 ARN 991 1537 2006 .89 .92 .83 .71 .75 .81 .73 .73 .86 .86 .82 .84 14 ARE 091 1716 2005 .52 .52 .71 .54 .44B .62 .61 .68 .64 .65 .65 .65 15 ARE 041 1713 2006 .55 .41 .44 .49 .53 .55 .65 .71 .60 .64 .68 .65 16 ARE 052 1720 1988 .65 .63 .58 .37 .43 .36 .38 .65 .45 .50 .66 17 ARE 071 1722 2006 .47 .59 .56 .53 .38 .31A .58 .70 .54 .46 .58 .63 18 ARE 132 1864 2006 .51 .55 .56 .37 .44 .49 19 ARE 191 1347 2006 .82 .85 .88 .88 .85 .76 .78 .82 .81 .82 .81 .77 20 ARE 062 1215 2006 .77 .82 .75 .75 .80 .74 .77 .77 .74 .83 .83 .84 21 ARE 064 1200 2006 .81 .79 .80 .81 .80 .76 .79 .75 .76 .83 .80 .84 22 ARE 194 1200 2006 .81 .84 .80 .83 .86 .78 .80 .82 .77 .80 .80 .79 23 ARE 172 1717 2006 .76 .77 .63 .45 .53 .62 .74 .82 .77 .70 .76 .81 24 ARE 202 1503 2006 .88 .91 .83 .82 .86 .82 .79 .75 .79 .87 .80 .82 25 ARE 011 1713 2006 .61 .64 .71 .66 .45 .29B .57 .62 .53 .62 .65 .66 26 ARE 182 1767 2006 .67 .70 .67 .67 .69 .54 .40 .49 .62 .52 27 ARN 361 1730 2006 .76 .76 .57 .54 .50 .45 .46 .51 .60 .68 .72 28 ARN 362 1734 2006 .73 .70 .62 .56 .50 .47 .49 .44 .43 .59 .62 Av segment correlation .74 .75 .72 .67 .67 .65 .66 .66 .63 .66 .70 .73 PART 7: DESCRIPTIVE STATISTICS: Anderson Ridge East 16:38 Tue 07 Jun 2011 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 ARE 031 1732 2006 275 11 0 .703 .76 1.77 .258 .620 .243 2.62 .400 -.025 1 2 ARE 121 1769 2006 238 10 0 .658 .85 2.55 .434 .657 .305 2.47 .333 .003 2 3 ARE 203 1546 2006 461 19 0 .822 .38 .98 .160 .502 .354 2.49 .342 -.013 1 4 ARN 312 1712 2006 295 12 0 .781 .56 2.49 .322 .676 .295 2.51 .396 .020 1 5 ARN 311 1700 2006 307 12 0 .759 .57 1.87 .291 .621 .307 2.69 .476 -.011 2 6 ARN 142 1716 2006 291 12 0 .742 .87 1.90 .309 .464 .323 2.34 .264 -.016 1 7 ARE 212 1587 2006 420 17 0 .651 .44 1.32 .211 .682 .337 2.60 .371 -.019 3 8 ARE 211 1529 2006 478 19 0 .612 .38 1.07 .149 .523 .306 2.79 .343 -.032 3 9 ARN 081 1653 2006 354 14 0 .740 .60 1.48 .200 .430 .278 2.71 .408 -.055 2 10 ARN 372 1751 2005 255 10 0 .585 1.06 2.13 .326 .577 .253 2.41 .333 -.028 1 11 ARN 072 1663 2006 344 14 0 .601 .81 2.15 .383 .645 .311 2.54 .341 -.037 1 12 ARN 992 1537 1780 244 10 0 .714 .77 1.57 .271 .292 .355 2.43 .300 -.025 1 13 ARN 991 1537 2006 470 19 0 .765 .41 1.02 .160 .558 .298 2.62 .375 -.030 1 14 ARE 091 1716 2005 290 12 1 .593 1.02 3.39 .691 .891 .280 2.61 .459 -.029 1 15 ARE 041 1713 2006 294 12 0 .607 .71 2.11 .298 .634 .306 2.62 .369 -.021 1 16 ARE 052 1720 1988 269 11 0 .511 .94 1.66 .248 .553 .203 2.72 .458 .008 1 17 ARE 071 1722 2006 285 12 1 .509 .84 1.53 .265 .752 .180 2.76 .422 .020 1 18 ARE 132 1864 2006 143 6 0 .461 1.54 4.02 .814 .814 .240 2.63 .335 -.031 1 19 ARE 191 1347 2006 660 27 0 .821 .41 1.06 .191 .504 .423 2.66 .414 -.010 1 20 ARE 062 1215 2006 792 32 0 .804 .43 1.13 .216 .655 .377 2.56 .359 -.011 1 21 ARE 064 1200 2006 807 32 0 .806 .44 1.27 .232 .663 .386 2.62 .349 -.002 1 22 ARE 194 1200 2006 807 32 0 .787 .32 .86 .169 .634 .414 2.59 .347 -.023 1 23 ARE 172 1717 2006 290 12 0 .687 .57 1.59 .237 .597 .303 2.70 .431 -.038 1 24 ARE 202 1503 2006 504 20 0 .799 .43 1.11 .194 .485 .384 2.55 .397 .017 2 25 ARE 011 1713 2006 294 12 1 .570 .73 2.00 .359 .767 .257 2.63 .434 -.017 1 26 ARE 182 1767 2006 240 10 0 .572 .86 2.00 .264 .460 .243 2.57 .331 -.020 1 27 ARN 361 1730 2006 277 11 0 .605 .86 2.37 .333 .679 .249 2.54 .424 -.009 1 28 ARN 362 1734 2006 273 11 0 .572 .85 2.09 .274 .462 .273 2.48 .332 -.034 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10657 431 3 .705 .60 4.02 .261 .597 .324 2.79 .375 -.016