Prospect Mountain BELE, New York - ny033 Additional Site Information N. Pederson E. Mashig D. Frank References: Pederson, N., A.R. Bell, E.R. Cook, U. Lall, N. Devineni, R. Seager, K. Eggleston, and K.J. Vranes. In press 2013. Is an Epic Pluvial Masking the Water Insecurity of the Greater New York City Region? Journal of Climate, Early Online Release 2012 doi: http://dx.doi.org/10.1175/JCLI-D-11-00723.1 Notes: Most of this collection of BELE Betula lenta raw ring widths was made by N. Pederson mid slope on a south-facing slope on Prospect Mountain in Lake George, NY. These data were collected for a dendroecological study of southern temperate trees growing at or near a northern range margin. While the oldest trees in the stand were targeted, the goal of field sampling was to collect a range of existing tree ages within the stand. The stand in which they are sampled has little soil depth. However, the forest was dense at the time of sampling and there is much evidence of logging, fire, and (perhaps) grazing) at this site. Because of this, detrending of these raw data should be conducted with closed-canopy or forest interior conditions and forest disturbance in mind. COFECHA output: Chronology file name : NY033.CRN Measurement file name : NY033.RWL Date checked : 26JAN13 Checked by : B. Bauer Beginning year : 1820 Ending year : 2001 Principal investigators: N. Pederson E. Mashig D. Frank Site name : Prospect Mountain Site location : New York Species information : BELE SWEET BIRCH Latitude : 4326 Longitude : -07355 Elevation : 305M Series intercorrelation: 0.579 Avg mean sensitivity : 0.310 Avg standard deviation : 0.667 Avg autocorrelation : 0.723 Number dated series : 26 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.72 PART 5: CORRELATION OF SERIES BY SEGMENTS: Prospect Mountain BELE 09:12 Sat 26 Jan 2013 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 1975 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 BF03a 1838 2001 .53 .56 .51 .41 .38 .50 .45 2 BF03b 1838 1962 .57 .61 .56 .45 .50 3 BF04a 1871 2001 .56 .56 .48 .49 .59 .57 4 BF04b 1872 2001 .66 .68 .62 .55 .52 .52 5 BF05a 1888 2001 .56 .60 .65 .41 .41 6 BF05b 1887 2001 .44 .37 .39 .52 .52 7 BF06a 1883 2001 .49 .49 .54 .53 .54 8 BF07a 1908 2001 .52 .67 .73 .73 9 BF07b 1897 2001 .49 .47 .51 .66 .66 10 BF08a 1869 1981 .65 .68 .59 .58 .57 11 BF08b 1870 2001 .53 .59 .66 .59 .42 .44 12 BF08c 1869 1920 .57 .45 13 BF09a 1860 2001 .48 .58 .45 .60 .75 .74 14 BF09b 1860 2001 .66 .65 .53 .60 .77 .76 15 BF10a 1873 2001 .67 .65 .73 .74 .73 .73 16 BF11a 1820 2001 .38 .37 .44 .66 .70 .72 .75 .75 17 BF11b 1831 2001 .25B .47 .53 .60 .66 .55 .56 18 BF11c 1820 1898 .47 .46 .38 19 BF12a 1868 2001 .48 .40 .56 .69 .70 .69 20 BF12b 1832 2001 .42 .53 .64 .75 .79 .67 .67 21 BF13a 1917 2001 .69 .72 .75 .76 22 BF13b 1907 2001 .78 .71 .59 .60 23 BF14a 1899 2001 .64 .64 .53 .43 .44 24 BF14b 1889 2001 .68 .71 .62 .48 .48 25 BF15a 1879 2001 .66 .73 .80 .65 .65 26 BF15b 1868 2001 .64 .75 .72 .77 .65 .65 Av segment correlation .42 .43 .56 .58 .59 .62 .61 .61 PART 7: DESCRIPTIVE STATISTICS: Prospect Mountain BELE 09:12 Sat 26 Jan 2013 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 BF03a 1838 2001 164 7 0 .478 1.16 3.59 .580 .776 .278 2.55 .355 -.014 1 2 BF03b 1838 1962 125 5 0 .556 .89 2.17 .403 .657 .334 2.40 .358 -.047 2 3 BF04a 1871 2001 131 6 0 .515 1.23 3.41 .651 .802 .260 2.69 .477 .021 2 4 BF04b 1872 2001 130 6 0 .581 1.46 3.58 .698 .753 .268 2.70 .468 .022 6 5 BF05a 1888 2001 114 5 0 .516 1.69 4.91 .990 .843 .242 2.59 .395 -.018 1 6 BF05b 1887 2001 115 5 0 .462 1.49 4.07 .827 .829 .269 2.70 .455 .017 2 7 BF06a 1883 2001 119 5 0 .536 1.40 3.53 .791 .835 .287 2.82 .564 -.005 1 8 BF07a 1908 2001 94 4 0 .631 1.48 3.94 .648 .714 .271 2.52 .471 -.063 1 9 BF07b 1897 2001 105 5 0 .594 1.11 3.45 .709 .838 .299 2.54 .430 -.020 1 10 BF08a 1869 1981 113 5 0 .613 1.70 5.20 1.061 .829 .351 2.57 .457 -.051 1 11 BF08b 1870 2001 132 6 0 .550 1.14 2.83 .639 .719 .350 2.73 .424 -.032 1 12 BF08c 1869 1920 52 2 0 .484 1.69 3.95 .994 .762 .406 2.49 .464 -.027 1 13 BF09a 1860 2001 142 6 0 .595 .96 3.17 .519 .726 .311 2.78 .538 -.003 1 14 BF09b 1860 2001 142 6 0 .667 1.35 6.26 .862 .764 .319 2.71 .500 -.039 2 15 BF10a 1873 2001 129 6 0 .703 1.10 4.32 .778 .790 .295 2.70 .368 -.026 1 16 BF11a 1820 2001 182 8 0 .571 .97 2.58 .494 .650 .324 2.69 .435 .004 1 17 BF11b 1831 2001 171 7 1 .497 1.28 4.44 .718 .686 .353 2.86 .494 .018 1 18 BF11c 1820 1898 79 3 0 .395 .94 1.94 .370 .392 .336 2.80 .588 .001 1 19 BF12a 1868 2001 134 6 0 .596 .78 2.22 .355 .604 .302 2.85 .428 -.006 2 20 BF12b 1832 2001 170 7 0 .625 .97 2.20 .439 .664 .297 2.65 .397 -.003 1 21 BF13a 1917 2001 85 4 0 .717 1.40 4.19 .818 .749 .343 2.52 .458 -.076 3 22 BF13b 1907 2001 95 4 0 .652 1.12 3.32 .686 .784 .358 2.77 .506 -.038 2 23 BF14a 1899 2001 103 5 0 .543 1.78 3.68 .834 .747 .266 2.42 .343 -.022 2 24 BF14b 1889 2001 113 5 0 .599 1.21 3.15 .647 .741 .326 2.46 .366 -.052 2 25 BF15a 1879 2001 123 5 0 .689 1.38 3.36 .706 .576 .337 2.63 .426 -.013 2 26 BF15b 1868 2001 134 6 0 .665 1.08 2.96 .560 .598 .328 2.67 .529 -.025 3 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3196 139 1 .579 1.23 6.26 .667 .723 .310 2.86 .447 -.016