Pampa del Toro, Río Negro, Argentina - ARGE080 Additional Site Information Ricardo Villalba Purpose of Collection: Climatology - temperature analyses Measurement type: Total ring width 1st Detrending method: Negative exponential or linear regression of any slope Location of core material: IANIGLA (Instituto Argentino de Nivología y Glaciología) Bajada del Cerro s/n Parque San Martín Mendoza Argentina References: Villalba, R., and Veblen, T. Spatial and temporal variation in Austrocedrus growth along the forest-steppe ecotone in northern Patagonia. Canadian Journal Forestry Research.27:580-597 (1997) Villalba, R., Cook, E., Jacoby, G., DArrigo, R., Veblen, T., and Jones, P. Tree-ring based reconstructions of northern Patagonia presipitation since AD 1600. The Holocene 8,6 (1998)pp.659-674 Villalba, R. and Veblen, T. Influences of large-scale climatic variability on episodic tree mortality in Northern Patagonia. Ecology, 79 (8),1998, pp.2624-2640 COFECHA output: Chronology file name : ARGE080.CRN Measurement file name : ARGE080.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1741 Ending year : 1991 Principal investigators: Ricardo Villalba Site name : Pampa del Toro Site location : Argentina Species information : AUCH CHILEAN CEDAR Latitude : -4132 Longitude : -07129 Elevation : 1160M Series intercorrelation: 0.631 Avg mean sensitivity : 0.207 Avg standard deviation : 0.671 Avg autocorrelation : 0.932 Number dated series : 17 Segment length tested : 50 Number problem segments: 6 Pct problem segments : 4.17 PART 5: CORRELATION OF SERIES BY SEGMENTS: arge080.rwl 14:33 Thu 10 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PTO801 1752 1988 .76 .73 .57 .58 .69 .69 .75 .73 .67 2 PTO805 1757 1988 .73 .76 .69 .71 .63 .60 .73 .75 .63 3 PTO808 1762 1988 .74 .70 .61 .66 .82 .81 .77 .82 .74 4 PTO809 1754 1988 .70 .71 .59 .58 .68 .69 .69 .59 .55 5 PTO810 1756 1988 .59 .66 .63 .59 .82 .87 .80 .79 .78 6 PTO812 1753 1988 .63 .59 .54 .34 .47 .78 .81 .65 .65 7 PTO813 1748 1988 .30B .29B .55 .45 .28A .46 .57 .42 .60 .72 8 PTO830 1764 1988 .65 .64 .68 .55 .62 .78 .78 .55 .53 9 PTO841 1741 1988 .54 .56 .73 .68 .71 .73 .60 .53 .63 .73 10 PTO844 1754 1988 .66 .63 .65 .73 .71 .73 .71 .75 .78 11 PTO845 1761 1988 .37B .44 .46 .43 .46 .62 .75 .65 .66 12 PTO871 1766 1988 .66 .64 .56 .58 .71 .82 .84 .71 .72 13 PTO875 1753 1988 .64 .70 .79 .83 .76 .73 .79 .68 .55 14 PTO92A 1798 1991 .55 .57 .58 .60 .64 .61 .48 .48 15 PTO93A 1898 1991 .69 .71 .75 .77 16 PTO93X 1774 1869 .29B .26A .64 .69 17 PTO94A 1774 1991 .49 .44 .56 .66 .76 .73 .67 .63 .54 Av segment correlation .42 .58 .61 .60 .59 .66 .71 .71 .67 .66 PART 7: DESCRIPTIVE STATISTICS: arge080.rwl 14:33 Thu 10 Mar 2005 Page 6 ------------------------------------------------------------------------------------------------------------------------------------ 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 PTO801 1752 1988 237 9 0 .673 .84 4.20 .732 .963 .179 2.64 .392 .030 1 2 PTO805 1757 1988 232 9 0 .678 .52 3.38 .637 .972 .214 2.64 .403 .009 2 3 PTO808 1762 1988 227 9 0 .729 .62 2.83 .517 .939 .233 2.59 .414 -.045 1 4 PTO809 1754 1988 235 9 0 .640 .65 2.87 .613 .962 .175 2.60 .407 -.039 1 5 PTO810 1756 1988 233 9 0 .719 .56 2.97 .536 .945 .230 2.69 .446 -.033 2 6 PTO812 1753 1988 236 9 0 .601 .76 3.09 .702 .975 .176 2.54 .332 -.009 1 7 PTO813 1748 1988 241 10 3 .443 .58 3.62 .580 .952 .217 2.53 .312 -.022 2 8 PTO830 1764 1988 225 9 0 .629 .72 3.70 .560 .939 .186 2.64 .429 .008 1 9 PTO841 1741 1988 248 10 0 .634 .63 3.40 .697 .959 .223 2.72 .445 -.018 2 10 PTO844 1754 1988 235 9 0 .696 .61 4.09 .701 .969 .189 2.73 .436 -.041 5 11 PTO845 1761 1988 228 9 1 .524 .98 2.23 .372 .884 .139 2.76 .463 .009 1 12 PTO871 1766 1988 223 9 0 .683 .74 2.24 .423 .888 .207 2.64 .336 .018 1 13 PTO875 1753 1988 236 9 0 .693 .65 3.02 .604 .958 .221 2.70 .365 -.039 2 14 PTO92A 1798 1991 194 8 0 .547 1.74 8.53 1.644 .890 .274 2.60 .386 -.008 1 15 PTO93A 1898 1991 94 4 0 .712 .40 .94 .164 .621 .281 2.44 .376 -.007 1 16 PTO93X 1774 1869 96 4 2 .518 1.60 4.40 1.034 .910 .236 2.63 .431 -.085 1 17 PTO94A 1774 1991 218 9 0 .588 1.53 4.40 .958 .906 .203 2.76 .369 -.036 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3638 144 6 .631 .81 8.53 .671 .932 .207 2.76 .396 -.016