Basin Area, North Rim, Grand Canyon National Park, Arizona - AZ560 Additional Site Information J.J. Wolf and J.N. Mast Purpose of Collection: Event - fire Detrend Method: horizontal trend Upper elevation site in Basin area of North Rim (lower and middle elevations are on Walhalla Plateau). Canopy is codominated by ponderosa pine and white fir. Reference: Wolf, J. and J. N. Mast. 1998. Fire History in mixed-conifer forests of the North Rim, Grand Canyon National Park, Physical Geography, 19(1):1-14. COFECHA output: Chronology file name : AZ560.CRN Measurement file name : AZ560.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1800 Ending year : 1995 Principal investigators: J.J. Wolf J.N. Mast Site name : Basin Area, North Rim, Grand Canyon NP Site location : Arizona Species information : PIPO PONDEROSA PINE Latitude : 3608 Longitude : -11153 Elevation : 2800M Series intercorrelation: 0.427 Avg mean sensitivity : 0.228 Avg standard deviation : 0.700 Avg autocorrelation : 0.795 Number dated series : 15 Segment length tested : 50 Number problem segments: 24 Pct problem segments : 30.77 PART 5: CORRELATION OF SERIES BY SEGMENTS: az560.rwl 16:47 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 bu5-4 1829 1995 -.03B .34 .60 .35 .53 .36 2 bu1-3 1800 1995 .27A .47 .57 .49 .19A .28A .28A 3 bu4-4 1808 1995 .25B .33 .48B .51 .30A .33 .30A 4 bu26z 1860 1995 .59 .66 .40 .53 .60 5 bu246z 1836 1995 .56 .63 .61 .63 .54 .18B 6 bu3-1 1828 1995 .26A .44 .46 .31A .34 .31A 7 bu24z 1852 1995 .66 .70 .44 .42 .39 8 bu249z 1870 1995 .80 .83 .52 .47 .57 9 bu235z 1844 1995 .30A .50 .72 .46 .49 .61 10 BU2-2 1870 1995 .50 .49 .09B .42 .53 11 bu3-2 1870 1995 .56 .56 .46 .29A .21A 12 bu164z 1840 1995 .27A .31A .29B .20A .46 .38 13 bu213z 1889 1995 .48 .11B .36B .43 14 bu143z 1926 1995 .41 .32A 15 bu242z 1876 1957 .77 .60 .49 Av segment correlation .26 .31 .53 .58 .36 .42 .39 PART 7: DESCRIPTIVE STATISTICS: az560.rwl 16:47 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 bu5-4 1829 1995 167 6 1 .326 .48 1.23 .244 .753 .250 2.69 .458 -.061 1 2 bu1-3 1800 1995 196 7 4 .363 1.91 4.41 .699 .781 .179 2.63 .572 .040 1 3 bu4-4 1808 1995 188 7 4 .333 .96 3.47 .392 .739 .215 2.54 .366 -.030 1 4 bu26z 1860 1995 136 5 0 .553 1.49 4.48 1.125 .944 .187 2.47 .350 -.059 1 5 bu246z 1836 1995 160 6 1 .493 1.42 5.07 .994 .839 .283 2.53 .362 -.048 1 6 bu3-1 1828 1995 168 6 3 .334 1.92 5.00 1.073 .804 .201 2.53 .390 .023 1 7 bu24z 1852 1995 144 5 0 .498 1.92 4.30 .865 .728 .229 2.76 .304 -.001 1 8 bu249z 1870 1995 126 5 0 .644 1.20 2.16 .403 .698 .203 2.59 .393 -.024 1 9 bu235z 1844 1995 152 6 1 .498 1.75 4.56 .986 .869 .200 2.63 .491 .007 2 10 BU2-2 1870 1995 126 5 1 .403 1.56 4.34 .973 .836 .241 2.62 .406 -.110 1 11 bu3-2 1870 1995 126 5 2 .365 1.32 5.19 .732 .819 .206 2.79 .413 .033 1 12 bu164z 1840 1995 156 6 4 .323 .48 1.37 .239 .803 .218 2.55 .371 -.014 1 13 bu213z 1889 1995 107 4 2 .437 .89 2.73 .544 .708 .397 2.64 .509 -.005 1 14 bu143z 1926 1995 70 2 1 .264 2.11 3.79 .688 .786 .199 2.56 .449 .000 1 15 bu242z 1876 1957 82 3 0 .709 .90 2.21 .561 .835 .285 2.64 .401 -.021 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 2104 78 24 .427 1.35 5.19 .700 .795 .228 2.79 .416 -.017