Onion Creek, California - CA697 Additional Site Information Ramzi Touchan, Kai Lepley, David Meko, Rochelle Campbell, Eylon Shamir Reference: Kai Lepley, Ramzi Touchan, David Meko, Eylon Shamir, Rochelle Graham, and Donald Falk. 2020. A multi-century Sierra Nevada snowpack reconstruction modeled using upper-elevation coniferous tree rings (California, USA). The Holocene, 12 May 2020. doi:10.1177/0959683620919972 NOTES: Country: USA State: Truckee, CA Town: Soda Springs Site Name: Onion Creek Site Code: ONC Latitude: N 39° 16.905' Longititude: W 120° 31.686' Elevation (m): 1865 Collection Date: 8/6/2015 Overstory: ABCO, PIPO, CADE Understory: Low standing shrubs Sampled Species: CADE Stand Density: Medium High (CADE low standing) Aspect: SE-NE Slope: 10° - 45° Soil Type: Soil Depth: Medium Deep % of Rock: 10 Fire: Fire scars prevalent Insect: Bark beetle holes in dead standing trees Grazing: Logging: Some logging present Wildlife: Comments: Some mistletoe, bark beetle holes in dead trees, some trees naturally fallen, some logged, regen of white fir, high fire danger - lots of dead wood, standing wildfire trees 6/10/2016 - Removed series ONC22A and ONC23A from measurement file, problematic, poor correlation with rest of site. COFECHA output: Chronology file name : CA697.CRN Measurement file name : CA697.RWL Date checked : 22MAY20 Checked by : B. Bauer Beginning year : 1732 Ending year : 2014 Principal investigators: Ramzi Touchan Kai Lepley David Meko Rochelle Campbell Eylon Shamir Site name : Onion Creek Site location : California Species information : CADE CALIFORNIA INCENSE CEDAR Latitude : 3917 Longitude : -12032 Elevation : 1865M Series intercorrelation: 0.624 Avg mean sensitivity : 0.199 Avg standard deviation : 0.653 Avg autocorrelation : 0.755 Number dated series : 50 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.39 PART 5: CORRELATION OF SERIES BY SEGMENTS: Onion Creek 11:49 Fri 22 May 2020 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 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ONC01A 1855 2014 .72 .76 .68 .66 .58 .66 2 ONC01B 1790 2014 .80 .82 .83 .79 .68 .65 .65 .58 .66 3 ONC02A 1922 2014 .70 .72 .72 .75 4 ONC02B 1795 2014 .69 .66 .55 .55 .63 .60 .45 .47 .60 5 ONC03A 1780 2014 .66 .64 .59 .73 .79 .77 .64 .34 .40 6 ONC03B 1769 2014 .65 .63 .66 .68 .69 .67 .71 .59 .40 .46 7 ONC04A 1892 2014 .52 .54 .44 .39 .51 8 ONC04B 1904 2014 .56 .67 .60 .66 9 ONC05A 1905 2014 .45 .54 .65 .65 10 ONC05B 1879 2014 .43 .66 .62 .44 .48 11 ONC06A 1929 2014 .33 .39B .52 12 ONC06B 1876 2014 .75 .70 .49 .57 .68 13 ONC07A 1955 2014 .56 .55 14 ONC07B 1937 2014 .61 .67 .59 15 ONC08A 1865 2014 .67 .74 .79 .62 .63 .63 16 ONC08B 1857 2014 .74 .78 .74 .70 .64 .66 17 ONC09A 1853 2014 .83 .77 .73 .70 .69 .73 18 ONC09B 1880 2014 .80 .69 .71 .74 .68 19 ONC10A 1898 2014 .61 .56 .63 .57 .61 20 ONC10B 1910 2014 .64 .61 .62 .51 21 ONC11A 1812 2014 .58 .65 .80 .78 .71 .72 .77 .72 22 ONC11B 1845 2014 .73 .76 .83 .85 .78 .79 .79 23 ONC12A 1905 2014 .67 .65 .75 .64 24 ONC12B 1871 2014 .77 .77 .66 .70 .83 .79 25 ONC13A 1898 2014 .70 .69 .71 .70 .73 26 ONC13B1 1907 1921 .58 27 ONC13B2 1927 2014 .56 .75 .77 28 ONC14A 1881 2014 .65 .61 .57 .47 .51 29 ONC14B 1916 2014 .42 .52 .52 .56 30 ONC15A 1897 2014 .58 .66 .56 .39 .60 31 ONC15B 1894 2014 .51 .58 .50 .50 .71 32 ONC16A 1879 2014 .54 .60 .61 .82 .79 33 ONC16B 1931 2014 .63 .77 .76 34 ONC17A 1847 2014 .72 .68 .46 .53 .58 .76 .79 35 ONC17B 1840 2014 .85 .83 .66 .62 .66 .68 .70 36 ONC18A 1827 2014 .64 .64 .55 .54 .68 .65 .75 37 ONC18B 1870 2014 .68 .64 .64 .71 .78 .67 38 ONC19A 1788 2014 .45 .46 .55 .42 .44 .78 .80 .67 .69 39 ONC19B 1814 2014 .56 .54 .50 .50 .72 .83 .77 .73 40 ONC20A1 1732 1840 .59 .50 .50 41 ONC20A2 1847 2014 .77 .78 .81 .71 .58 .55 .59 42 ONC20B 1763 2014 .60 .54 .66 .64 .71 .65 .50 .55 .55 .48 43 ONC21A 1926 2014 .38 .57 .64 44 ONC21B 1926 2014 .35 .42 .33 45 ONC22B 1933 2014 .47 .52 .51 46 ONC23B 1938 2014 .44 .44 .45 47 ONC25A 1928 2012 .73 .73 .64 48 ONC26A 1939 2014 .53 .51 .55 49 ONC Dave 1929 2014 .58 .63 .52 50 ONC24A 1939 2004 .42 .47 .47 Av segment correlation .61 .61 .61 .67 .70 .65 .65 .60 .60 .62 PART 7: DESCRIPTIVE STATISTICS: Onion Creek 11:49 Fri 22 May 2020 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 ONC01A 1855 2014 160 6 0 .667 1.03 2.80 .413 .734 .229 2.69 .506 -.012 1 2 ONC01B 1790 2014 225 9 0 .722 1.14 2.61 .427 .655 .241 2.52 .418 -.006 1 3 ONC02A 1922 2014 93 4 0 .723 1.75 4.42 1.023 .894 .172 2.62 .545 -.037 1 4 ONC02B 1795 2014 220 9 0 .583 1.31 3.45 .654 .842 .218 2.54 .367 -.029 2 5 ONC03A 1780 2014 235 9 0 .620 .93 3.12 .558 .895 .216 2.63 .419 -.060 1 6 ONC03B 1769 2014 246 10 0 .613 1.35 3.53 .536 .716 .207 2.69 .395 .009 1 7 ONC04A 1892 2014 123 5 0 .487 1.64 4.20 .742 .898 .139 2.74 .516 -.049 3 8 ONC04B 1904 2014 111 4 0 .589 1.80 4.09 .729 .890 .141 2.60 .433 -.016 1 9 ONC05A 1905 2014 110 4 0 .549 2.21 6.51 .967 .763 .189 2.80 .496 .029 1 10 ONC05B 1879 2014 136 5 0 .492 2.46 6.00 .776 .659 .198 2.77 .423 -.056 2 11 ONC06A 1929 2014 86 3 1 .494 2.17 3.63 .559 .683 .147 2.55 .469 -.050 1 12 ONC06B 1876 2014 139 5 0 .685 1.51 3.61 .773 .820 .236 2.67 .468 -.027 1 13 ONC07A 1955 2014 60 2 0 .556 3.55 7.36 1.421 .848 .159 2.55 .493 -.025 1 14 ONC07B 1937 2014 78 3 0 .604 4.12 7.71 1.473 .843 .165 2.44 .447 -.050 2 15 ONC08A 1865 2014 150 6 0 .645 2.05 3.64 .617 .764 .175 2.38 .295 .037 1 16 ONC08B 1857 2014 158 6 0 .706 1.89 4.32 .559 .757 .156 2.47 .355 -.026 1 17 ONC09A 1853 2014 162 6 0 .766 2.01 4.19 .631 .568 .241 2.66 .474 -.039 1 18 ONC09B 1880 2014 135 5 0 .722 1.68 3.37 .612 .759 .206 2.70 .487 -.014 1 19 ONC10A 1898 2014 117 5 0 .586 2.01 3.61 .648 .634 .204 2.95 .583 .081 3 20 ONC10B 1910 2014 105 4 0 .595 1.96 3.54 .659 .727 .196 2.61 .420 -.016 1 21 ONC11A 1812 2014 203 8 0 .684 1.52 2.97 .538 .718 .202 2.52 .331 .025 1 22 ONC11B 1845 2014 170 7 0 .779 1.77 3.00 .496 .618 .196 2.56 .388 .005 1 23 ONC12A 1905 2014 110 4 0 .643 1.64 3.34 .560 .648 .216 2.52 .326 -.070 3 24 ONC12B 1871 2014 144 6 0 .736 1.65 3.42 .570 .575 .261 2.61 .374 -.027 1 25 ONC13A 1898 2014 117 5 0 .702 .98 3.37 .777 .914 .240 2.65 .478 -.008 1 26 ONC13B1 1907 1921 15 1 0 .583 1.33 1.87 .336 .622 .175 2.80 .844 .235 1 27 ONC13B2 1927 2014 88 3 0 .677 .95 2.58 .480 .768 .242 2.51 .501 .011 1 28 ONC14A 1881 2014 134 5 0 .581 2.59 5.07 .681 .579 .167 2.72 .404 -.042 2 29 ONC14B 1916 2014 99 4 0 .491 1.95 3.06 .418 .701 .125 2.49 .418 -.058 1 30 ONC15A 1897 2014 118 5 0 .561 2.30 4.22 .785 .814 .157 2.60 .482 .023 2 31 ONC15B 1894 2014 121 5 0 .569 3.00 5.37 .765 .748 .135 2.77 .499 .022 1 32 ONC16A 1879 2014 136 5 0 .644 2.65 5.88 1.216 .840 .186 2.67 .418 .002 1 33 ONC16B 1931 2014 84 3 0 .710 3.75 6.69 .879 .625 .148 2.70 .554 .036 1 34 ONC17A 1847 2014 168 7 0 .644 1.15 2.48 .405 .693 .218 2.70 .487 -.013 2 35 ONC17B 1840 2014 175 7 0 .719 1.65 4.50 .595 .774 .194 2.76 .491 .013 2 36 ONC18A 1827 2014 188 7 0 .623 1.69 3.73 .590 .835 .155 2.59 .368 -.059 2 37 ONC18B 1870 2014 145 6 0 .673 1.66 3.49 .528 .798 .148 2.46 .359 -.067 2 38 ONC19A 1788 2014 227 9 0 .559 1.25 4.72 .855 .883 .253 2.75 .406 .021 1 39 ONC19B 1814 2014 201 8 0 .620 1.07 5.33 .684 .824 .254 2.56 .387 .006 1 40 ONC20A1 1732 1840 109 3 0 .592 1.25 2.55 .330 .609 .168 2.68 .413 -.049 2 41 ONC20A2 1847 2014 168 7 0 .676 1.14 2.21 .414 .771 .199 2.56 .337 .002 1 42 ONC20B 1763 2014 252 10 0 .593 .94 2.35 .345 .747 .205 2.64 .395 .010 1 43 ONC21A 1926 2014 89 3 0 .513 1.85 3.77 .740 .773 .208 2.76 .568 .046 1 44 ONC21B 1926 2014 89 3 0 .361 1.15 2.36 .393 .341 .306 2.68 .430 .033 1 45 ONC22B 1933 2014 82 3 0 .529 1.58 4.19 .639 .789 .218 2.79 .507 .004 1 46 ONC23B 1938 2014 77 3 0 .453 1.78 5.47 .908 .866 .165 2.68 .444 -.104 1 47 ONC25A 1928 2012 85 3 0 .685 2.60 5.13 .791 .754 .167 2.65 .429 -.039 1 48 ONC26A 1939 2014 76 3 0 .516 2.46 7.80 1.446 .889 .178 2.69 .549 -.079 1 PART 7: DESCRIPTIVE STATISTICS: Onion Creek 11:49 Fri 22 May 2020 Page 9 ----------------------------------------------------------------------------------------------------------------------------------- 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 ONC Dave 1929 2014 86 3 0 .591 .66 2.04 .477 .928 .172 2.59 .544 -.043 1 50 ONC24A 1939 2004 66 3 0 .469 2.32 5.73 1.271 .872 .203 2.82 .568 -.031 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 6671 259 1 .624 1.69 7.80 .653 .755 .199 2.95 .433 -.013