Armagh Observatory, Northern Ireland - brit058 Additional Information David Brown Ana-Maria Garcia Suarez Purpose of Collection: Age structure and to be used for climate reconstruction. Cross-sections are stored at: School of Geography, Archaeology and Palaeoecology, Queens University Belfast. Available for examination Notes: Urban parkland. Tree-ring widths in 1/100th mm. COFECHA output: Chronology file name : BRIT058.CRN Measurement file name : BRIT058.RWL Date checked : 30JUL10 Checked by : B. Bauer Beginning year : 1845 Ending year : 2001 Principal investigators: David Brown Ana-Maria Garcia Suarez Site name : Armagh Observatory Site location : N. Ireland Species information : QUSP OAK Latitude : 5421 Longitude : -00639 Elevation : 54M Series intercorrelation: 0.549 Avg mean sensitivity : 0.277 Avg standard deviation : 0.485 Avg autocorrelation : 0.601 Number dated series : 13 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Armagh Observatory 09:42 Fri 30 Jul 2010 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 1850 1875 1900 1925 1950 1975 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 Q10177 1845 2001 .73 .76 .70 .67 .44 .46 2 Q10182 1850 2001 .73 .72 .59 .58 .57 .56 3 Q10181 1852 2001 .51 .62 .70 .60 .46 .48 4 Q10183 1854 2001 .58 .62 .53 .43 .41 .45 5 Q10176 1858 2001 .64 .67 .56 .54 .59 .60 6 Q10178 1859 2001 .39 .43 .38 .51 .55 .55 7 Q10174 1863 2001 .75 .74 .59 .43 .52 .53 8 Q10179 1874 2001 .70 .69 .68 .62 .48 .49 9 Q10180 1877 2001 .51 .58 .62 .58 .59 10 Q10172M 1890 2001 .52 .54 .67 .61 .61 11 Q10184 1900 2001 .38 .38 .44 .45 12 Q10175 1903 2001 .46 .42 .52 .52 13 Q10173 1932 2001 .40 .38 .41 Av segment correlation .63 .63 .56 .53 .50 .52 PART 7: DESCRIPTIVE STATISTICS: Armagh Observatory 09:42 Fri 30 Jul 2010 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 Q10177 1845 2001 157 6 0 .631 .74 2.99 .638 .830 .395 2.66 .513 -.031 1 2 Q10182 1850 2001 152 6 0 .630 1.00 3.31 .606 .870 .250 2.70 .446 -.001 1 3 Q10181 1852 2001 150 6 0 .553 1.34 3.55 .542 .694 .257 2.64 .460 -.014 1 4 Q10183 1854 2001 148 6 0 .500 1.03 2.72 .572 .837 .236 2.55 .377 -.037 1 5 Q10176 1858 2001 144 6 0 .593 1.26 5.21 .638 .776 .260 2.64 .460 -.048 2 6 Q10178 1859 2001 143 6 0 .437 .99 2.42 .454 .641 .297 2.75 .508 -.028 2 7 Q10174 1863 2001 139 6 0 .604 .89 2.17 .354 .457 .348 2.52 .427 .076 3 8 Q10179 1874 2001 128 6 0 .613 1.08 3.15 .402 .451 .314 2.70 .467 -.002 1 9 Q10180 1877 2001 125 5 0 .563 .93 1.68 .261 .304 .251 2.71 .435 -.026 1 10 Q10172M 1890 2001 112 5 0 .574 1.19 2.28 .324 .407 .244 2.81 .471 .053 1 11 Q10184 1900 2001 102 4 0 .419 1.73 3.59 .471 .455 .206 2.85 .462 .061 1 12 Q10175 1903 2001 99 4 0 .487 1.61 2.60 .436 .245 .272 2.53 .451 .011 2 13 Q10173 1932 2001 70 3 0 .422 2.02 3.20 .483 .486 .195 2.66 .490 .037 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1669 69 0 .549 1.16 5.21 .485 .601 .277 2.85 .458 .000