Piedra Tromphul, Neuquén, Argentina - ARGE069 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 : ARGE069.CRN Measurement file name : ARGE069.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1823 Ending year : 1989 Principal investigators: Ricardo Villalba Site name : Piedra Tromphul Site location : Argentina Species information : AUCH CHILEAN CEDAR Latitude : -4007 Longitude : -07126 Elevation : 1060M Series intercorrelation: 0.678 Avg mean sensitivity : 0.227 Avg standard deviation : 0.988 Avg autocorrelation : 0.761 Number dated series : 10 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: arge069.rwl 14:14 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 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 TRC01A 1877 1989 .60 .71 .75 .73 2 TRC01B 1823 1989 .43 .42 .59 .61 .60 .53 .72 3 TRC02B 1919 1989 .77 .77 .79 4 TRC03B 1892 1989 .48 .57 .59 .72 5 TRC05A 1919 1989 .71 .70 .75 6 TRC06A 1850 1989 .62 .72 .73 .67 .79 7 TRC07B 1843 1989 .64 .67 .67 .74 .75 .80 8 TRC08A 1830 1989 .68 .72 .47 .50 .76 .82 9 TRC08B 1846 1989 .75 .76 .61 .57 .70 .81 10 TRC07A 1824 1943 .55 .54 .74 .73 .68 Av segment correlation .49 .61 .69 .61 .66 .69 .77 PART 7: DESCRIPTIVE STATISTICS: arge069.rwl 14:14 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 TRC01A 1877 1989 113 4 0 .671 2.24 5.34 .962 .692 .270 2.55 .436 .006 1 2 TRC01B 1823 1989 167 7 0 .591 1.93 4.52 .839 .767 .219 2.73 .402 -.030 2 3 TRC02B 1919 1989 71 3 0 .792 3.58 5.46 1.058 .512 .246 2.64 .563 -.038 2 4 TRC03B 1892 1989 98 4 0 .607 2.22 6.14 1.053 .755 .213 2.54 .411 .038 1 5 TRC05A 1919 1989 71 3 0 .723 3.60 7.09 1.505 .700 .270 2.64 .452 .001 1 6 TRC06A 1850 1989 140 5 0 .723 1.53 3.53 .762 .805 .245 2.52 .297 -.012 2 7 TRC07B 1843 1989 147 6 0 .717 2.42 6.02 .966 .737 .237 2.64 .418 -.030 2 8 TRC08A 1830 1989 160 6 0 .661 1.87 5.18 1.005 .909 .201 2.66 .423 .063 1 9 TRC08B 1846 1989 144 6 0 .724 2.61 6.23 1.224 .829 .206 2.64 .410 -.030 1 10 TRC07A 1824 1943 120 5 0 .640 2.35 4.63 .809 .701 .196 2.67 .389 -.072 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1231 49 0 .678 2.30 7.09 .988 .761 .227 2.73 .411 -.010