Afechtal, Morocco - MORC002 Additional Site Information C.W. Stockton, N. Chbouki, T. Harlan, D. Meko, R. Adams, M.F. Glueck. Purpose of Collection: Climatology - precipitation analyses, climate reconstruction, multi-proxy NAO reconstruction. Detrend method: Negative exponontial or linear regression with negative or 0 slope. detrending was predominately as noted above. also used a few splines Cores are stored at the Laboratory of Tree-Ring Research, University of Arizona; availability: may be used on site at LTRR only (no mail-out). References: Chbouki, N., Spatio-temporal characteristics of drought as inferred from tree-ring data in Morocco, Ph.D. thesis, University of Arizona, Tucson, Arizona, 1992 Glueck, M.F. and C.W. Stockton, Reconstruction of the North Atlantic Oscillation, 1429-1983, International J. of Climatology, 21,1453-1465, 2001. Chbouki, N., Stockton, C.W., and Myers, D., Spatio-temporal patterns of drought in Morocco, International J. of Climatology, 15, 187-205, 1995. COFECHA output: Chronology file name : MORC002.CRN Measurement file name : MORC002.RWL Date checked : 24MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1632 Ending year : 1984 Principal investigators: C.W. Stockton, N. Chbouki, T. Harlan, D. Meko, R. Adams, M.F. Glueck Site name : Afechtal Site location : Morocco Species information : CDAT ATLANTIC CEDAR Latitude : 3502 Longitude : -00450 Elevation : 1700M Series intercorrelation: 0.650 Avg mean sensitivity : 0.206 Avg standard deviation : 0.703 Avg autocorrelation : 0.835 Number dated series : 31 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.38 PART 5: CORRELATION OF SERIES BY SEGMENTS: morc002.rwl 11:59 Thu 24 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 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 AFC 1A 1745 1984 .45 .45 .50 .75 .70 .73 .78 .84 .63 .53 2 AFC 1B 1738 1984 .77 .75 .59 .49 .64 .74 .86 .83 .52 .47 3 AFC 2A 1652 1984 .65 .78 .76 .75 .69 .73 .77 .55 .64 .78 .81 .75 .63 4 AFC 2B 1674 1984 .75 .74 .74 .73 .63 .68 .70 .72 .86 .87 .80 .68 .59 5 AFC 3A 1800 1984 .59 .51 .72 .81 .79 .70 .64 6 AFC 3B 1806 1984 .76 .57 .55 .67 .78 .62 .58 7 AFC 4A 1657 1800 .65 .65 .68 .52 .48 .43 8 AFC 4B 1791 1984 .62 .66 .60 .62 .64 .57 .57 .41 9 AFC 5A 1696 1984 .73 .79 .74 .74 .71 .63 .69 .69 .78 .77 .62 .53 10 AFC 5B 1840 1984 .72 .80 .87 .71 .52 .49 11 AFC 5C 1640 1817 .57 .60 .63 .62 .61 .77 .68 12 AFC 6A 1632 1975 .51 .58 .64 .69 .66 .51 .54 .56 .56 .70 .78 .86 .72 .70 13 AFC 6B 1647 1984 .35 .35 .56 .66 .53 .45 .46 .46 .48 .41 .49 .49 .43 .35 14 AFC 7A 1672 1984 .55 .54 .58 .59 .57 .51 .57 .77 .89 .62 .61 .73 .68 15 AFC 7B 1694 1966 .46 .46 .44 .40 .57 .65 .70 .57 .48 .59 .71 16 AFC11A 1767 1982 .72 .80 .82 .80 .82 .82 .85 .81 .71 17 AFC11B 1726 1984 .51 .66 .73 .79 .79 .76 .82 .87 .80 .79 18 AFC12A 1816 1984 .69 .70 .81 .82 .81 .83 .80 19 AFC12B 1816 1983 .72 .78 .80 .83 .84 .53 .40 20 AFC13A 1828 1984 .60 .70 .68 .74 .70 .71 21 AFC13B 1829 1984 .66 .71 .81 .82 .80 .66 22 AFC14A 1829 1984 .64 .68 .73 .79 .55 .60 23 AFC14B 1863 1984 .55 .71 .79 .73 .73 24 AFC15A 1806 1897 .70 .61 .55 25 AFC15B 1796 1846 .54 .53 26 AFC15C 1901 1984 .72 .61 .58 27 AFC15D 1849 1984 .66 .67 .69 .78 .65 .67 28 AFC16A 1707 1910 .54 .54 .47 .45 .45 .64 .75 .77 29 AFC16B 1698 1984 .52 .51 .58 .71 .80 .82 .74 .70 .87 .89 .65 .61 30 AFC17A 1693 1984 .42B .44 .60 .65 .70 .76 .80 .81 .82 .83 .55 .58 31 AFC17B 1686 1984 .48 .51 .55 .60 .78 .83 .82 .70 .74 .78 .42 .37 Av segment correlation .47 .59 .60 .61 .60 .60 .62 .67 .67 .70 .75 .77 .65 .59 PART 7: DESCRIPTIVE STATISTICS: morc002.rwl 11:59 Thu 24 Mar 2005 Page 7 ------------------------------------------------------------------------------------------------------------------------------------ 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 AFC 1A 1745 1984 240 10 0 .650 1.57 4.94 .859 .882 .204 2.85 .464 .021 1 2 AFC 1B 1738 1984 247 10 0 .668 1.47 3.94 .850 .909 .211 2.67 .435 -.002 1 3 AFC 2A 1652 1984 333 13 0 .701 1.28 3.52 .492 .838 .188 2.94 .406 -.028 1 4 AFC 2B 1674 1984 311 13 0 .718 1.26 2.64 .436 .774 .196 2.49 .374 .001 1 5 AFC 3A 1800 1984 185 7 0 .650 2.33 5.74 1.045 .905 .135 2.59 .464 -.013 1 6 AFC 3B 1806 1984 179 7 0 .659 2.15 5.69 1.056 .929 .137 2.48 .390 .001 1 7 AFC 4A 1657 1800 144 6 0 .589 1.45 4.79 .808 .896 .190 2.71 .447 -.005 1 8 AFC 4B 1791 1984 194 8 0 .565 1.52 4.52 .891 .915 .205 2.61 .304 .013 5 9 AFC 5A 1696 1984 289 12 0 .687 1.43 3.71 .714 .884 .192 2.53 .295 -.017 5 10 AFC 5B 1840 1984 145 6 0 .720 .94 2.18 .430 .906 .169 2.50 .372 -.007 1 11 AFC 5C 1640 1817 178 7 0 .605 1.33 4.53 .784 .902 .212 2.76 .394 -.034 2 12 AFC 6A 1632 1975 344 14 0 .624 1.16 2.71 .360 .840 .135 2.62 .352 -.031 2 13 AFC 6B 1647 1984 338 14 0 .456 .88 2.40 .353 .781 .209 2.53 .334 -.013 1 14 AFC 7A 1672 1984 313 13 0 .613 1.17 2.72 .345 .702 .181 2.66 .414 .007 2 15 AFC 7B 1694 1966 273 11 0 .539 1.30 3.66 .449 .765 .197 2.67 .336 .023 1 16 AFC11A 1767 1982 216 9 0 .771 1.63 5.39 .820 .898 .192 2.55 .336 -.007 1 17 AFC11B 1726 1984 259 10 0 .739 1.72 5.31 .895 .859 .209 2.58 .365 -.049 1 18 AFC12A 1816 1984 169 7 0 .770 1.59 6.59 1.099 .889 .241 2.39 .283 -.010 1 19 AFC12B 1816 1983 168 7 0 .718 2.05 6.53 1.183 .865 .219 2.49 .351 -.058 1 20 AFC13A 1828 1984 157 6 0 .645 1.61 7.16 1.319 .920 .313 2.60 .454 -.031 1 21 AFC13B 1829 1984 156 6 0 .722 1.88 7.55 1.398 .932 .250 2.68 .464 .009 1 22 AFC14A 1829 1984 156 6 0 .695 2.07 4.20 .727 .726 .211 2.58 .418 .043 1 23 AFC14B 1863 1984 122 5 0 .678 2.09 4.02 .763 .723 .226 2.50 .400 .021 1 24 AFC15A 1806 1897 92 3 0 .621 2.29 4.30 .955 .824 .193 2.63 .514 -.017 2 25 AFC15B 1796 1846 51 2 0 .536 3.06 5.01 .767 .096 .281 2.37 .354 .025 2 26 AFC15C 1901 1984 84 3 0 .597 1.25 2.05 .386 .794 .178 2.59 .510 .109 1 27 AFC15D 1849 1984 136 6 0 .695 1.43 3.46 .637 .870 .192 2.58 .394 .042 1 28 AFC16A 1707 1910 204 8 0 .581 1.76 4.36 .896 .789 .281 2.69 .392 -.006 3 29 AFC16B 1698 1984 287 12 0 .697 1.36 3.49 .765 .859 .258 2.54 .348 -.006 3 30 AFC17A 1693 1984 292 12 1 .649 .93 2.56 .452 .790 .234 2.55 .337 -.056 1 31 AFC17B 1686 1984 299 12 0 .613 .95 2.36 .463 .817 .246 2.51 .286 -.022 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6561 265 1 .650 1.46 7.55 .703 .835 .206 2.94 .377 -.008