Tobji, Algeria - alge003 Additional Site Information Ramzi Touchan Measurement type: Total ring width Purpose of Collection: Climatology - precipitation analyses Location of core material: Laboratory of Tree-Ring Research, The University of Arizona References: Touchan, R., K.J. Anchukaitis, D.M. Meko, M. Sabir, S. Attalah, and A. Aloui. 2010. Spatiotemporal drought variability in northwestern Africa over the last nine centuries. Climate Dynamics, DOI: 10.1007/s00382-010-0804-4 Touchan, R., K.J. Anchukaitis, D.M. Meko, S. Attalah, C. Baisan, and A. Aloui. 2008. Long term context for recent drought in northwestern Africa. Geophys. Res. Lett., 35, L13705, doi:10.1029/2008GL034264. COFECHA output: Chronology file name : ALGE003.CRN Measurement file name : ALGE003.RWL Date checked : 03NOV10 Checked by : B. Bauer Beginning year : 1854 Ending year : 2006 Principal investigators: Ramzi Touchan Site name : Tobji Site location : Algeria Species information : PIHA ALEPPO PINE Latitude : 3436 Longitude : 00307 Elevation : 1380M Series intercorrelation: 0.845 Avg mean sensitivity : 0.444 Avg standard deviation : 0.701 Avg autocorrelation : 0.732 Number dated series : 39 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Tobji 16:03 Wed 03 Nov 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 TOB01A 1854 2006 .78 .89 .93 .94 .94 .94 2 TOB01B 1864 2006 .91 .94 .92 .90 .92 .92 3 TOB02A 1864 2006 .94 .97 .91 .85 .67 .66 4 TOB02B 1865 2006 .58 .89 .93 .91 .91 .93 5 TOB03A 1875 2006 .87 .91 .92 .84 .82 6 TOB03B 1886 2006 .88 .85 .84 .84 .84 7 TOB04A 1892 2006 .78 .78 .77 .81 .81 8 TOB04B 1886 2006 .90 .88 .80 .79 .81 9 TOB05A 1879 2006 .91 .93 .89 .84 .88 10 TOB05B 1883 2006 .79 .84 .79 .78 .78 11 TOB06A 1920 2006 .85 .84 .79 .80 12 TOB06B 1921 2006 .80 .80 .83 .85 13 TOB07A 1860 2006 .75 .81 .70 .72 .87 .85 14 TOB07B 1867 2006 .89 .88 .87 .87 .90 .92 15 TOB08A 1870 2006 .85 .89 .88 .89 .88 .89 16 TOB08B 1876 2006 .91 .92 .88 .85 .86 17 TOB09A 1864 2006 .85 .93 .93 .93 .94 .94 18 TOB09B 1860 2006 .88 .87 .87 .90 .92 .92 19 TOB10A 1858 2006 .83 .82 .80 .86 .93 .93 20 TOB10B 1876 2006 .87 .86 .85 .86 .85 21 TOB11A 1857 2006 .79 .87 .88 .87 .85 .83 22 TOB11B 1858 2006 .90 .86 .86 .87 .88 .88 23 TOB12A 1861 2006 .82 .88 .87 .91 .89 .88 24 TOB12B 1863 2006 .90 .93 .93 .91 .89 .91 25 TOB13A 1856 2006 .87 .90 .89 .87 .89 .86 26 TOB13B 1855 2006 .86 .92 .91 .90 .88 .88 27 TOB14A 1856 2006 .86 .88 .89 .91 .88 .88 28 TOB14B 1860 1980 .87 .91 .89 .91 .89 29 TOB15A 1857 2006 .91 .88 .84 .85 .85 .85 30 TOB16A 1870 2006 .89 .93 .93 .89 .91 .91 31 TOB16B 1872 2006 .92 .94 .90 .92 .95 .94 32 TOB17A 1861 2006 .88 .89 .73 .73 .94 .92 33 TOB17B 1859 2006 .86 .80 .83 .84 .85 .89 34 TOB18A 1859 2006 .83 .88 .86 .84 .81 .79 35 TOB18B 1860 2006 .89 .89 .90 .86 .86 .90 36 TOB19A 1866 2006 .92 .92 .91 .91 .94 .93 37 TOB19B 1858 2006 .84 .89 .86 .82 .87 .89 38 TOB20A 1872 2006 .87 .86 .85 .89 .93 .93 39 TOB20B 1864 2006 .88 .89 .85 .86 .88 .89 Av segment correlation .86 .88 .87 .86 .87 .87 PART 7: DESCRIPTIVE STATISTICS: Tobji 16:03 Wed 03 Nov 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 TOB01A 1854 2006 153 6 0 .876 1.01 4.56 .683 .676 .455 2.89 .519 .008 1 2 TOB01B 1864 2006 143 6 0 .898 1.13 3.28 .652 .580 .455 2.83 .485 .026 1 3 TOB02A 1864 2006 143 6 0 .825 .98 2.73 .695 .733 .519 2.65 .460 -.022 1 4 TOB02B 1865 2006 142 6 0 .813 .90 3.06 .482 .581 .444 2.76 .504 .011 1 5 TOB03A 1875 2006 132 5 0 .859 1.20 3.61 .727 .584 .448 2.85 .501 -.002 1 6 TOB03B 1886 2006 121 5 0 .839 .99 3.33 .610 .563 .447 2.99 .573 .065 1 7 TOB04A 1892 2006 115 5 0 .771 1.06 2.61 .582 .692 .412 2.80 .533 .022 3 8 TOB04B 1886 2006 121 5 0 .826 1.02 3.36 .584 .721 .377 2.83 .514 -.019 1 9 TOB05A 1879 2006 128 5 0 .857 .88 3.90 .678 .770 .468 2.53 .407 -.060 1 10 TOB05B 1883 2006 124 5 0 .788 1.18 5.45 .932 .749 .448 2.75 .401 -.057 1 11 TOB06A 1920 2006 87 4 0 .820 2.30 8.16 1.369 .771 .361 2.54 .456 -.036 1 12 TOB06B 1921 2006 86 4 0 .809 1.28 3.03 .605 .544 .373 2.57 .489 -.005 2 13 TOB07A 1860 2006 147 6 0 .753 .97 3.61 .820 .868 .395 2.66 .467 .016 1 14 TOB07B 1867 2006 140 6 0 .855 .97 4.09 .781 .841 .449 2.87 .460 .012 1 15 TOB08A 1870 2006 137 6 0 .820 .81 2.47 .545 .679 .517 2.74 .475 .003 1 16 TOB08B 1876 2006 131 5 0 .864 1.36 6.34 .909 .612 .496 2.79 .540 -.023 1 17 TOB09A 1864 2006 143 6 0 .887 .98 2.46 .514 .569 .431 2.74 .530 .007 1 18 TOB09B 1860 2006 147 6 0 .859 .77 2.97 .568 .751 .419 2.53 .350 -.021 1 19 TOB10A 1858 2006 149 6 0 .837 .80 2.67 .443 .563 .431 2.78 .444 -.005 1 20 TOB10B 1876 2006 131 5 0 .836 1.11 3.25 .728 .592 .511 2.81 .520 .037 1 21 TOB11A 1857 2006 150 6 0 .825 1.01 5.20 .809 .861 .448 2.71 .398 -.006 3 22 TOB11B 1858 2006 149 6 0 .851 .86 4.12 .832 .874 .437 2.72 .421 -.061 1 23 TOB12A 1861 2006 146 6 0 .839 .94 3.55 .715 .749 .431 2.63 .388 -.027 1 24 TOB12B 1863 2006 144 6 0 .887 .79 3.93 .526 .693 .412 2.58 .447 -.026 1 25 TOB13A 1856 2006 151 6 0 .855 .93 4.04 .784 .842 .484 2.59 .460 .009 1 26 TOB13B 1855 2006 152 6 0 .848 .95 4.10 .795 .835 .475 2.54 .419 .021 1 27 TOB14A 1856 2006 151 6 0 .854 .92 4.30 .778 .815 .504 2.66 .415 -.031 1 28 TOB14B 1860 1980 121 5 0 .883 1.02 3.98 .720 .767 .424 2.66 .416 -.053 1 29 TOB15A 1857 2006 150 6 0 .844 .90 3.26 .684 .767 .506 2.60 .433 -.012 1 30 TOB16A 1870 2006 137 6 0 .885 .71 3.16 .613 .839 .420 2.66 .479 .017 1 31 TOB16B 1872 2006 135 6 0 .897 .92 3.25 .682 .851 .391 2.63 .409 -.042 1 32 TOB17A 1861 2006 146 6 0 .818 .83 4.02 .707 .795 .502 2.61 .442 -.037 1 33 TOB17B 1859 2006 148 6 0 .815 1.10 4.97 .889 .845 .391 2.59 .412 -.069 1 34 TOB18A 1859 2006 148 6 0 .814 .86 3.05 .521 .741 .356 2.87 .502 .003 1 35 TOB18B 1860 2006 147 6 0 .857 .98 3.72 .624 .717 .414 2.61 .473 -.020 1 36 TOB19A 1866 2006 141 6 0 .897 .83 3.71 .654 .771 .468 2.76 .587 .001 1 37 TOB19B 1858 2006 149 6 0 .838 1.25 7.89 1.009 .769 .414 2.81 .534 -.009 1 38 TOB20A 1872 2006 135 6 0 .871 1.05 2.84 .560 .671 .409 2.76 .514 .052 1 39 TOB20B 1864 2006 143 6 0 .837 .90 3.31 .693 .763 .510 2.72 .418 .007 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 5363 221 0 .845 .99 8.16 .701 .732 .444 2.99 .465 -.008