# **************************************************************** # ** Please acknowledge the contributors and the International ** # ** Multiproxy Paleofire Database when using these data. ** # **************************************************************** # # Site name: Bluff Lake # Place: USA:California # Latitude: 41.20.48N # Longitude: 122.33.32W # Elevation(m): 1921 # Site size(ha): 1.2 # Entity name: 95A # Investigators: Jerry Mohr, Cathy Whitlock # Entity notes: There was an erosion event between ca. 9900 & 11100 cal # yr BP, so that data was not used. # # Sampling device: Livingston square-rod piston sampler # Diameter(cm) : 5 # Water depth(cm): 170 # Analysis method: Decomposition using CHAPS, see Long, C.J., Whitlock, C., # Bartlein, P.J., and Millspaughi, S.H. 1998. A 9000-Year # Fire History from the Oregon Coast Range, Based on a # High-Resolution Charcoal Study. Canadian Journal of Forest # Research 28(5): 774-787. # # Location description: Lake in southeast facing valley on the south side # of South China Mountain in the Kalamath Mountain, # California, USA. Located in an open forest composed # of jeffrey pine, lodgepole pine, western white pine, # white fir, incense cedar, and Douglas fir. # # Radiocarbon dates: # Depth(m) Age (14C) 14C SD Age (cal) Source Lab No. # 0.37 1720 50 1609 conifer needles AA20622 # 0.66 2720 60 2786 conifer needles AA23317 # 1.13 4220 55 4740 wood AA20623 # 1.41 5675 55 6451 conifer needles AA23318 # 1.93 7960 100 8810 wood AA22157 # 2.27 9025 70 9985 wood AA20624 # 3.13 9940 75 11065 wood AA20625 # 3.64 11550 90 13471 conifer needles AA22158 # Date notes: All cal and 14C ages are in yr BP. # # Chron name: Mohr, Whitlock, Skinner 2000 # Age model: 3rd-oder polynomial regression for 0.00m to 2.27m # 1st-order polynomial regression for 2.27m to 3.13m # 1st-order polynomial regression for 3.13m to 4.04m # # Publications: Mohr, J.A. 1997. Postglacial vegetation and fire history # near Bluff Lake, Klamath Mountains, California. Thesis. # Eugene, University of Oregon. # # Mohr J.A., Whitlock C., and Skinner C.N. 2000. Postglacial # vegetation and fire history, eastern Klamath Mountains, # California, USA. The Holocene 10, 587-601. # # Note: 9999 is used as a missing value indicator. # 1 Depth (m) 2 Age (cal YrBP) 3 Charcoal fragments > 125 micrometers (particles/cm^3) 0.07,257.186,8.4 0.08,294.758,15.8 0.09,332.534,14.8 0.1,370.509,15.2 0.11,408.683,19.6 0.12,447.053,24 0.13,485.618,26.8 0.14,524.376,23 0.15,563.325,33 0.16,602.462,38.2 0.17,641.786,34.2 0.18,681.296,43.8 0.19,720.988,32.6 0.2,760.862,61.4 0.21,800.915,26.2 0.22,841.145,29.2 0.23,881.551,29 0.24,922.13,25.2 0.25,962.881,34 0.26,1003.802,24.2 0.27,1044.891,37.2 0.28,1086.145,28.6 0.29,1127.563,40 0.3,1169.144,61.4 0.31,1210.885,44.2 0.32,1252.784,58.2 0.33,1294.839,48 0.34,1337.048,37 0.35,1379.411,40.8 0.36,1421.923,38.2 0.37,1464.584,38 0.38,1507.393,36.4 0.39,1550.346,47 0.4,1593.441,71.4 0.41,1636.678,60.4 0.42,1680.054,44.6 0.43,1723.567,51.6 0.44,1767.216,43.2 0.45,1810.997,40 0.46,1854.911,52.4 0.47,1898.953,55.4 0.48,1943.124,28.6 0.49,1987.42,31.4 0.5,2031.839,33.4 0.51,2076.381,36.4 0.52,2121.042,36 0.53,2165.822,33.2 0.54,2210.718,31.6 0.55,2255.728,33.8 0.56,2300.85,40.8 0.57,2346.083,43.8 0.58,2391.424,39.2 0.59,2436.871,28.2 0.6,2482.424,16.8 0.61,2528.079,15.6 0.62,2573.834,17.4 0.63,2619.689,24.8 0.64,2665.641,28.6 0.65,2711.687,33.6 0.66,2757.827,24.2 0.67,2804.058,15.2 0.68,2850.379,14.4 0.69,2896.787,20 0.7,2943.28,21.4 0.71,2989.857,17.4 0.72,3036.515,23 0.73,3083.253,23.4 0.74,3130.07,25.2 0.75,3176.962,27.2 0.76,3223.928,40.2 0.77,3270.966,31 0.78,3318.074,12 0.79,3365.25,6.2 0.8,3412.493,6.2 0.81,3459.801,9.6 0.82,3507.17,13.4 0.83,3554.601,16 0.84,3602.09,21.2 0.85,3649.636,20.6 0.86,3697.237,19 0.87,3744.89,26.2 0.88,3792.595,22 0.89,3840.349,31.2 0.9,3888.15,13.6 0.91,3935.996,7.6 0.92,3983.886,7.6 0.93,4031.817,9.2 0.94,4079.788,7.6 0.95,4127.796,15.6 0.96,4175.84,15.6 0.97,4223.918,19.8 0.98,4272.028,7.2 0.99,4320.167,12.4 1,4368.335,19.2 1.01,4416.529,18.6 1.02,4464.747,12.4 1.03,4512.988,9.4 1.04,4561.249,9.2 1.05,4609.527,10.2 1.06,4657.824,17.6 1.07,4706.134,16.8 1.08,4754.458,15.4 1.09,4802.792,13.8 1.1,4851.135,15.6 1.11,4899.484,16 1.12,4947.84,20.8 1.13,4996.198,17.4 1.14,5044.558,15.2 1.15,5092.916,16.2 1.16,5141.272,18.6 1.17,5189.624,20.4 1.18,5237.969,18.8 1.19,5286.307,23 1.2,5334.634,30.8 1.21,5382.949,23 1.22,5431.25,12.2 1.23,5479.534,10.2 1.24,5527.8,17.4 1.25,5576.048,14.6 1.26,5624.273,15 1.27,5672.474,22.4 1.28,5720.65,14.2 1.29,5768.799,27.4 1.3,5816.918,18.4 1.31,5865.006,21.6 1.32,5913.062,17.2 1.33,5961.081,21 1.34,6009.063,25 1.35,6057.007,21 1.36,6104.91,18.6 1.37,6152.77,20.4 1.38,6200.585,12.8 1.39,6248.354,16 1.4,6296.074,17.6 1.41,6343.744,20.2 1.42,6391.361,21.2 1.43,6438.924,24.2 1.44,6486.432,24.4 1.45,6533.88,20.6 1.46,6581.269,21 1.47,6628.596,15.2 1.48,6675.859,18.2 1.49,6723.057,17.2 1.5,6770.186,13.8 1.51,6817.247,18.2 1.52,6864.235,17.6 1.53,6911.15,13.8 1.54,6957.99,15.8 1.55,7004.752,27.2 1.56,7051.436,33.8 1.57,7098.04,21.6 1.58,7144.559,19.4 1.59,7190.993,22.4 1.6,7237.34,17.2 1.61,7283.6,15.4 1.62,7329.768,13 1.63,7375.845,11.2 1.64,7421.826,17.6 1.65,7467.71,21.8 1.66,7513.497,16.4 1.67,7559.184,20 1.68,7604.768,18.8 1.69,7650.249,14.8 1.7,7695.623,17.2 1.71,7740.89,20.2 1.72,7786.046,19.8 1.73,7831.091,20 1.74,7876.023,15.2 1.75,7920.839,11.6 1.76,7965.537,16.8 1.77,8010.117,13.2 1.78,8054.574,12.4 1.79,8098.908,14.8 1.8,8143.119,14.2 1.81,8187.201,14.8 1.82,8231.154,11.4 1.83,8274.978,11.6 1.84,8318.667,10.8 1.85,8362.224,13.4 1.86,8405.642,8 1.87,8448.922,10.8 1.88,8492.063,15.8 1.89,8535.06,22.8 1.9,8577.912,18.4 1.91,8620.619,20.4 1.92,8663.179,20.2 1.93,8705.588,21.4 1.94,8747.846,21.2 1.95,8789.949,25 1.96,8831.897,18.2 1.97,8873.687,18 1.98,8915.317,19.8 1.99,8956.787,25.2 2,8998.092,23.2 2.01,9039.232,20.6 2.02,9080.206,18.6 2.03,9121.009,20.8 2.04,9161.643,20.8 2.05,9202.103,18.4 2.06,9242.388,27 2.07,9282.496,15.4 2.08,9322.426,17.4 2.09,9362.174,18.2 2.1,9401.741,16 2.11,9441.122,15.2 2.12,9480.319,15.8 2.13,9519.327,26.8 2.14,9558.145,20 2.15,9596.77,16.6 2.16,9635.2,15.2 2.17,9673.436,25.2 2.18,9711.473,35.4 2.19,9749.311,43.2 2.2,9786.946,37.2 2.21,9824.379,27.2 2.22,9861.605,41.4 2.23,9898.625,25 2.24,9935.435,27.2 2.25,9959,9999 2.26,9972,9999 2.27,9985,9999 2.28,9998.012,9999 2.29,10011.02,9999 2.3,10024.04,9999 2.31,10037.05,9999 2.32,10050.06,9999 2.33,10063.07,9999 2.34,10076.08,9999 2.35,10089.1,9999 2.36,10102.11,9999 2.37,10115.12,9999 2.38,10128.13,9999 2.39,10141.14,9999 2.4,10154.16,9999 2.41,10167.17,9999 2.42,10180.18,9999 2.43,10193.19,9999 2.44,10206.21,9999 2.45,10219.22,9999 2.46,10232.23,9999 2.47,10245.24,9999 2.48,10258.25,9999 2.49,10271.26,9999 2.5,10284.28,9999 2.51,10297.29,9999 2.52,10310.3,9999 2.53,10323.31,9999 2.54,10336.33,9999 2.55,10349.34,9999 2.56,10362.35,9999 2.57,10375.36,9999 2.58,10388.37,9999 2.59,10401.39,9999 2.6,10414.4,9999 2.61,10427.41,9999 2.62,10440.42,9999 2.63,10453.43,9999 2.64,10466.45,9999 2.65,10479.46,9999 2.66,10492.47,9999 2.67,10505.48,9999 2.68,10518.49,9999 2.69,10531.51,9999 2.7,10544.52,9999 2.71,10557.53,9999 2.72,10570.54,9999 2.73,10583.55,9999 2.74,10596.57,9999 2.75,10609.58,9999 2.76,10622.59,9999 2.77,10635.6,9999 2.78,10648.61,9999 2.79,10661.63,9999 2.8,10674.64,9999 2.81,10687.65,9999 2.82,10700.66,9999 2.83,10713.67,9999 2.84,10726.69,9999 2.85,10739.7,9999 2.86,10752.71,9999 2.87,10765.72,9999 2.88,10772.23,9999 2.89,10778.74,9999 2.9,10791.75,9999 2.91,10804.76,9999 2.92,10817.77,9999 2.93,10824.275,9999 2.94,10830.78,9999 2.95,10837.285,9999 2.96,10843.79,9999 2.97,10856.81,9999 2.98,10869.82,9999 2.99,10882.83,9999 3,10895.84,9999 3.01,10908.86,9999 3.02,10921.87,9999 3.03,10934.88,9999 3.04,10947.89,9999 3.05,10960.9,9999 3.06,10973.92,9999 3.07,10986.93,9999 3.08,10999.94,9999 3.09,11012.95,9999 3.1,11025.96,9999 3.11,11038.98,9999 3.12,11051.99,9999 3.13,11065,4.4 3.14,11113.12,4.6 3.15,11161.24,5.2 3.16,11209.36,18.2 3.17,11257.48,4 3.18,11305.6,5.2 3.19,11353.72,4.4 3.2,11401.84,5.4 3.21,11449.96,2.8 3.22,11498.08,1 3.23,11546.2,1 3.24,11594.32,6.4 3.25,11642.44,9.6 3.26,11658.48,9.4 3.27,11674.52,4.6 3.28,11690.56,2 3.29,11738.68,5.6 3.3,11786.8,20.4 3.31,11834.92,2.2 3.32,11883.04,2.2 3.33,11931.16,2.8 3.34,11979.28,3.4 3.35,12027.4,1.8 3.36,12075.52,2.2 3.37,12123.64,1.8 3.38,12171.76,2.4 3.39,12219.88,5 3.4,12268,9.2 3.41,12316.12,4.8 3.42,12364.24,3 3.43,12412.36,2 3.44,12460.48,2.8 3.45,12508.6,2.8 3.46,12556.72,2.8 3.47,12604.84,2.4 3.48,12652.96,2.6 3.49,12701.08,3.6 3.5,12749.2,1.4 3.51,12797.32,2 3.52,12845.44,3.2 3.53,12893.56,2.8 3.54,12941.68,2.6 3.55,12989.8,3.8 3.56,13037.92,3.6 3.57,13086.04,6.8 3.58,13134.16,3.2 3.59,13182.28,2.2 3.6,13230.4,3 3.61,13278.52,3 3.62,13326.64,6.4 3.63,13374.76,6.8 3.64,13422.88,5.6 3.65,13471,4.8 3.66,13519.12,1.8 3.67,13567.24,15.4 3.68,13615.36,5.4 3.69,13663.48,7.2 3.7,13711.6,9.4 3.71,13759.72,7.4 3.72,13807.84,7.4 3.73,13855.96,3 3.74,13904.08,1.4 3.75,13952.2,0.6 3.76,14000.32,1.2 3.77,14048.44,1.8 3.78,14096.56,1.4 3.79,14144.68,2 3.8,14192.8,2.2 3.81,14240.92,5.4 3.82,14289.04,4.2 3.83,14337.16,4.6 3.84,14385.28,5 3.85,14433.4,6.6 3.86,14481.52,5.2 3.87,14529.64,10.8 3.88,14577.76,8.2 3.89,14625.88,8 3.9,14674,8 3.91,14722.12,4.6 3.92,14770.24,10.6 3.93,14794.3,10.6 3.94,14818.36,9 3.95,14866.48,9.2 3.96,14914.6,8.2 3.97,14962.72,7 3.98,15010.84,4.8 3.99,15058.96,3.2 4,15107.08,3.6 4.01,15155.2,9.4 4.02,15203.32,2.4 4.03,15227.38,3.8 4.04,15251.44,7.2