# **************************************************************** # ** Please acknowledge the contributors and the International ** # ** Multiproxy Paleofire Database when using these data. ** # **************************************************************** # # Site name: Noir Lake # Place: USA:Alaska # Latitude: 66.00261 N # Longitude: 145.92613 W # Elevation(m): 211 # Site size(ha): # Sigle: # Entity name: NR08 (Internal lab code) # Investigators: Kelly,R.;Chipman,M.L.;Higuera,P.E.;Stefanova,I.;Brubaker,L.B.;Hu,F.S. # Contact person: Kelly,R. # # Sampling date: 2008-07-20 # Sampling device: All cores were taken with a combination of 7.5 cm livingstone, 5 cm livingstone, and 7.5 cm polycarbonate tube # Diameter(cm): # Water depth(cm): 1530 # Sample Storage: All cores have archive halves intact, and working halves sliced at 0.25-cm resolution. These are kept at 4°C in the Hu Lab, University of Illinois, Urbana. # Analysis method: Macroscopic charcoal counts. Please see Kelly et al. 2013 for details. # Instrumentation: # Location description: Yukon Flats, Alaska # # Radiocarbon dates: # Lead-210 and AMS Radiocarbon Ages for Noir Lake sediments # # Noir Lake - Chronology Data # # depth_up top depth of interval in cm # depth_down bottom depth of interval in cm # Material Description of material used for AMS or lead-210 analysis # Type Data type, either lead-210 or radiocarbon # Act_or_14C Lead-210 activity in dpm g-1 OR radiocarbon age estimate in yr BP (BP = 1950 CE) # Error Measurement error of lead-210 activity (dpm g-1) OR radiocarbon age (yr) # Age_calBP Modeled Lead-210Pb date OR radiocarbon date in calibrated yr BP* # SD_calBP Standard deviation of modeled or calibrated date (yr) # *All radiocarbon ages calibrated in Calib v.6.1.0 using Intcal09 dataset. See paper for full description. # # depth_up depth_down Material Type Act_or_14C Error Age_calBP SD_calBP Notes # 0 1 bulk sediment Lead-210 47.62 6.05 -58.0 0.0 # 1 2 bulk sediment Lead-210 25.61 2.62 -36.5 1.4 # 2 3 bulk sediment Lead-210 21.94 2.72 -21.9 2.1 # 3 4 bulk sediment Lead-210 14.20 1.56 1.3 3.6 # 4 5 bulk sediment Lead-210 12.58 1.39 25.8 5.0 # 5 6 bulk sediment Lead-210 9.08 1.08 64.2 10.0 # 6 7 bulk sediment Lead-210 6.61 0.81 Background Activity # 7 8 bulk sediment Lead-210 5.00 0.63 Background Activity # 8 9 bulk sediment Lead-210 6.47 0.79 Background Activity # 9 10 bulk sediment Lead-210 6.88 0.77 Background Activity # 10 11 bulk sediment Lead-210 6.91 0.80 Background Activity # 11 12 bulk sediment Lead-210 6.18 0.71 Background Activity # 12 13 bulk sediment Lead-210 5.08 0.62 Background Activity # 13 14 bulk sediment Lead-210 5.16 0.60 Background Activity # 14 15 bulk sediment Lead-210 6.09 0.66 Background Activity # 27 28 bulk sediment Lead-210 5.18 0.99 Background Activity # 46.5 46.75 needle Radiocarbon 925 40 846 48 # 68.75 69 charcoal Radiocarbon 1000 50 912 63 # 86.25 86.5 needle Radiocarbon 1180 90 1106 95 # # Publications: # Kelly, R., M.L Chipman, P.E. Higuera, I. Stefanova, L.B. Brubaker, and F.S. Hu (2013) Recent burning of boreal forests exceeds fire regime limits of the past 10,000 years. Proceedings of the National Academy of Sciences., August 6, 2013 110(32):13055–13060. DOI: www.pnas.org/cgi/doi/10.1073/pnas.1305069110 # # Related Information: Chronology and macroscopic charcoal (number of pieces >180 microns) from sediments of 14 lakes from the Yukon Flats, Alaska; PERIOD OF RECORD, ~10,000 cal BP to present; Funding agency name and grant, US National Science Foundation, ARC-0612366 (to F.S.H.), ARC-1023477 (to F.S.H.); Funding agency name and grant, National Science Foundation GK-12 Fellowship, (to R.K.); Funding agency name and grant, University of Illinois Dissertation Completion Fellowship, (to R.K.); Funding agency name and grant, National Parks Ecological Research Fellowship, (to P.E.H.); Study Name, Kelly fire data from Noir Lake, Yukon Flats, Alaska - IMPD USNRL008 Online_Resources, hurricane.ncdc.noaa.gov/pls/paleox/f?P=519:1:::::P1_STUDY_ID:15555 , ftp://ftp.ncdc.noaa.gov/pub/data/paleo/firehistory/charcoal/northamerica/usnrl008-kelly2013.txt , ftp://ftp.ncdc.noaa.gov/pub/data/paleo/firehistory/charcoal/northamerica/usnrl008.txt , ftp://ftp.ncdc.noaa.gov/pub/data/paleo/firehistory/charcoal/northamerica/kelly-et-al-2013-for-noaa.xlsx ; # 1 depth-cm-top Depth,,,cm,,,top depth,,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) 2 depth-cm-bottom Depth,,,cm,,,bottom depth,,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) 3 age-calBP-top Age,,,calendar years BP,,,top of sample,,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) 4 age-calBP-bottom Age,,,calendar years BP,,,bottom of sample,,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) 5 vol-wetsed volume,wet sediment,,ml,,fire history,used for charcoal counts, ,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) 6 char>180µm charcoal,,,count,,fire history,> 180 µm, ,N (What,Material,Error,Units, Seasonality,Archive,Details,Method,Data_type) depth-cm-top depth-cm-bottom age-calBP-top age-calBP-bottom vol-wetsed char>180µm 0.00 0.50 -58.0 -47.5 2.0 31 0.50 1.00 -47.5 -37.7 2.0 7 1.00 1.50 -37.7 -29.2 2.0 1 1.50 2.00 -29.2 -20.6 2.0 19 2.00 2.50 -20.6 -10.6 2.0 3 2.50 3.00 -10.6 0.8 2.0 7 3.00 3.50 0.8 13.6 2.0 6 3.50 4.00 13.6 28.0 2.0 4 4.00 4.50 28.0 43.9 2.0 5 4.50 5.00 43.9 60.5 2.0 5 5.00 5.50 60.5 84.1 2.0 7 5.50 6.00 84.1 103.1 2.0 5 6.00 6.50 103.1 124.0 2.0 5 6.50 7.00 124.0 142.6 2.0 13 7.00 7.50 142.6 169.0 2.0 2 7.50 8.00 169.0 190.0 2.0 0 8.00 8.50 190.0 214.5 2.0 3 8.50 9.00 214.5 239.3 2.0 1 9.00 9.50 239.3 264.4 2.0 1 9.50 10.00 264.4 283.4 2.0 0 10.00 10.50 283.4 301.0 2.0 0 10.50 11.00 301.0 317.0 2.0 5 11.00 11.50 317.0 334.6 2.0 2 11.50 12.00 334.6 355.6 2.0 7 12.00 12.50 355.6 378.2 2.0 3 12.50 13.00 378.2 405.6 2.0 1 13.00 13.50 405.6 432.9 2.0 6 13.50 14.00 432.9 463.2 2.0 6 14.00 14.50 463.2 491.6 2.0 2 14.50 15.00 491.6 521.1 2.0 9 15.00 16.00 521.1 539.4 2.0 3 16.00 17.00 539.4 539.4 2.0 3 17.00 18.00 539.4 560.4 2.0 2 18.00 19.00 560.4 575.1 2.0 2 19.00 20.00 575.1 604.1 2.0 9 20.00 21.00 604.1 609.7 2.0 28 21.00 22.00 609.7 656.4 2.0 0 22.00 23.00 656.4 682.2 2.0 0 23.00 24.00 682.2 709.1 2.0 2 24.00 25.00 709.1 740.7 2.0 1 25.00 26.00 740.7 753.3 2.0 25 26.00 27.00 753.3 783.7 2.0 12 27.00 28.00 783.7 804.8 2.0 10 28.00 28.25 804.8 804.8 2.0 22 28.25 28.50 804.8 804.8 1.0 3 28.50 28.75 804.8 804.8 1.0 5 28.75 29.00 804.8 804.8 1.0 3 29.00 29.25 804.8 804.8 1.0 1 29.25 29.50 804.8 804.8 1.0 2 29.50 29.75 804.8 804.8 1.0 5 29.75 30.00 804.8 804.8 1.0 2 30.00 30.25 804.8 804.8 1.0 12 30.25 30.50 804.8 804.8 1.0 6 30.50 30.75 804.8 804.8 1.0 6 30.75 31.00 804.8 804.8 1.5 13 31.00 31.25 804.8 804.8 1.5 8 31.25 31.50 804.8 804.8 1.3 4 31.50 31.75 804.8 804.8 1.5 23 31.75 32.00 804.8 804.8 2.0 16 32.00 32.25 804.8 804.8 1.5 18 32.25 32.50 804.8 804.8 1.5 8 32.50 32.75 804.8 804.8 1.5 5 32.75 33.00 804.8 804.8 1.5 1 33.00 33.25 804.8 804.8 2.0 11 33.25 33.50 804.8 804.8 1.5 2 33.50 33.75 804.8 804.8 1.5 1 33.75 34.00 804.8 804.8 1.5 2 34.00 34.25 804.8 804.8 1.5 5 34.25 34.50 804.8 804.8 2.0 11 34.50 34.75 804.8 804.8 2.0 8 34.75 35.00 804.8 804.8 2.0 13 35.00 35.25 804.8 804.8 2.0 9 35.25 35.50 804.8 804.8 2.0 27 35.50 35.75 804.8 804.8 2.0 24 35.75 36.00 804.8 804.8 2.0 12 36.00 36.25 804.8 806.3 1.5 16 36.25 36.50 806.3 809.2 1.5 8 36.50 36.75 809.2 810.9 1.5 18 36.75 37.00 810.9 812.0 2.0 14 37.00 37.25 812.0 812.0 2.0 18 37.25 37.50 812.0 814.4 1.5 11 37.50 37.75 814.4 818.6 1.0 10 37.75 38.00 818.6 819.6 2.0 22 38.00 38.25 819.6 819.6 2.0 20 38.25 38.50 819.6 820.5 2.0 11 38.50 38.75 820.5 820.5 2.0 30 38.75 39.00 820.5 822.9 1.5 18 39.00 39.25 822.9 822.9 2.0 9 39.25 39.50 822.9 823.8 2.0 22 39.50 39.75 823.8 823.8 2.0 30 39.75 40.00 823.8 824.7 2.0 6 40.00 40.25 824.7 825.5 2.0 13 40.25 40.50 825.5 827.2 1.5 8 40.50 40.75 827.2 829.1 1.5 15 40.75 41.00 829.1 830.9 1.5 27 41.00 41.25 830.9 832.2 2.0 26 41.25 41.50 832.2 833.2 2.0 35 41.50 41.75 833.2 833.2 2.0 16 41.75 42.00 833.2 833.9 2.0 24 42.00 42.25 833.9 834.6 2.0 15 42.25 42.50 834.6 835.3 2.0 17 42.50 42.75 835.3 835.7 2.0 23 42.75 43.00 835.7 837.5 1.5 12 43.00 43.25 837.5 839.0 1.5 13 43.25 43.50 839.0 840.4 1.5 15 43.50 43.75 840.4 842.2 1.5 3 43.75 44.00 842.2 842.7 2.0 7 44.00 44.25 842.7 843.1 2.0 10 44.25 44.50 843.1 844.1 2.0 19 44.50 44.75 844.1 845.0 1.5 9 44.75 45.00 845.0 845.0 2.0 17 45.00 45.25 845.0 845.6 2.0 4 45.25 45.50 845.6 845.6 2.0 12 45.50 45.75 845.6 845.6 2.0 7 45.75 46.00 845.6 845.6 2.0 27 46.00 46.25 845.6 845.6 2.0 15 46.25 46.50 845.6 846.0 2.0 18 46.50 46.75 846.0 846.5 2.0 14 46.75 47.00 846.5 846.9 2.0 2 47.00 47.25 846.9 846.9 2.0 10 47.25 47.50 846.9 847.5 2.0 8 47.50 47.75 847.5 847.5 2.0 15 47.75 48.00 847.5 847.7 2.0 11 48.00 48.25 847.7 849.4 1.0 19 48.25 48.50 849.4 850.0 1.5 10 48.50 48.75 850.0 850.5 1.5 7 48.75 49.00 850.5 850.5 2.0 12 49.00 49.25 850.5 850.8 2.0 10 49.25 49.50 850.8 851.8 1.5 8 49.50 49.75 851.8 852.0 2.0 7 49.75 50.00 852.0 852.2 2.0 14 50.00 50.25 852.2 852.9 1.5 10 50.25 50.50 852.9 853.3 1.5 7 50.50 50.75 853.3 853.8 1.5 6 50.75 51.00 853.8 854.6 1.5 15 51.00 51.25 854.6 855.6 1.0 6 51.25 51.50 855.6 855.6 1.5 14 51.50 51.75 855.6 856.3 1.5 10 51.75 52.00 856.3 857.3 1.5 12 52.00 52.25 857.3 858.2 1.5 7 52.25 52.50 858.2 860.0 1.0 12 52.50 52.75 860.0 860.5 1.5 10 52.75 53.00 860.5 860.5 1.5 12 53.00 53.25 860.5 860.5 2.0 14 53.25 53.50 860.5 860.5 1.5 13 53.50 53.75 860.5 860.5 2.0 7 53.75 54.00 860.5 860.5 2.0 15 54.00 54.25 860.5 860.9 1.5 11 54.25 54.50 860.9 862.2 1.5 12 54.50 54.75 862.2 863.6 1.5 10 54.75 55.00 863.6 863.6 2.0 10 55.00 55.25 863.6 863.6 1.5 4 55.25 55.50 863.6 863.6 1.5 4 55.50 55.75 863.6 863.6 1.5 14 55.75 56.00 863.6 863.6 2.0 5 56.00 56.25 863.6 863.6 2.0 12 56.25 56.50 863.6 863.6 2.0 5 56.50 56.75 863.6 863.6 1.5 5 56.75 57.00 863.6 863.6 1.5 10 57.00 57.25 863.6 863.6 1.5 9 57.25 57.50 863.6 863.6 1.5 6 57.50 57.75 863.6 863.6 1.0 13 57.75 58.00 863.6 863.6 1.5 5 58.00 58.25 863.6 863.6 1.5 9 58.25 58.50 863.6 863.6 1.0 4 58.50 58.75 863.6 863.6 2.0 12 58.75 59.00 863.6 863.6 1.0 4 59.00 59.25 863.6 863.6 2.0 23 59.25 59.50 863.6 863.6 2.0 10 59.50 59.75 863.6 863.6 2.0 34 59.75 60.00 863.6 863.6 2.0 16 60.00 60.25 863.6 863.6 2.0 2 60.25 60.50 863.6 863.6 2.0 13 60.50 60.75 863.6 863.6 1.0 6 60.75 61.00 863.6 867.8 2.0 13 61.00 61.25 867.8 868.7 1.0 9 61.25 61.50 868.7 870.4 1.5 19 61.50 61.75 870.4 870.4 2.0 13 61.75 62.00 870.4 872.5 1.5 15 62.00 62.25 872.5 872.5 2.0 6 62.25 62.50 872.5 872.5 2.0 17 62.50 62.75 872.5 874.4 1.5 3 62.75 63.00 874.4 875.7 1.5 15 63.00 63.25 875.7 876.5 1.5 6 63.25 63.50 876.5 878.7 1.0 16 63.50 63.75 878.7 881.9 1.5 26 63.75 64.00 881.9 881.9 1.0 22 64.00 64.25 881.9 884.5 1.5 44 64.25 64.50 884.5 886.6 1.0 26 64.50 64.75 886.6 888.8 1.0 29 64.75 65.00 888.8 888.8 2.0 47 65.00 65.25 888.8 888.8 1.0 22 65.25 65.50 888.8 890.5 1.0 26 65.50 65.75 890.5 890.5 2.0 23 65.75 66.00 890.5 892.3 1.0 23 66.00 66.25 892.3 892.3 2.0 42 66.25 66.50 892.3 892.3 2.0 37 66.50 66.75 892.3 894.8 1.5 16 66.75 67.00 894.8 898.0 1.5 31 67.00 67.25 898.0 898.0 2.0 17 67.25 67.50 898.0 900.7 1.5 23 67.50 67.75 900.7 900.7 1.5 15 67.75 68.00 900.7 908.1 1.0 24 68.00 68.25 908.1 912.0 1.5 13 68.25 68.50 912.0 912.0 1.5 13 68.50 68.75 912.0 912.0 2.0 19 68.75 69.00 912.0 912.0 2.0 64 69.00 69.25 912.0 927.3 1.0 14 69.25 69.50 927.3 927.3 2.0 10 69.50 69.75 927.3 927.3 1.5 5 69.75 70.00 927.3 927.3 2.0 31 70.00 70.25 927.3 927.3 2.0 2 70.25 70.50 927.3 927.3 2.0 3 70.50 70.75 927.3 927.3 2.0 7 70.75 71.00 927.3 927.3 2.0 21 71.00 71.25 927.3 927.3 2.0 18 71.25 71.50 927.3 927.3 1.5 12 71.50 71.75 927.3 927.3 2.0 18 71.75 72.00 927.3 927.3 1.5 11 72.00 72.25 927.3 927.3 2.0 3 72.25 72.50 927.3 927.3 2.0 7 72.50 72.75 927.3 927.3 2.0 20 72.75 73.00 927.3 927.3 1.5 26 73.00 73.25 927.3 938.8 1.0 23 73.25 73.50 938.8 938.8 2.0 17 73.50 73.75 938.8 938.8 2.0 6 73.75 74.00 938.8 938.8 1.5 14 74.00 74.25 938.8 938.8 2.0 13 74.25 74.50 938.8 938.8 1.5 11 74.50 74.75 938.8 938.8 1.5 5 74.75 75.00 938.8 938.8 2.0 42 75.00 75.25 938.8 938.8 1.5 3 75.25 75.50 938.8 938.8 2.0 11 75.50 75.75 938.8 938.8 2.0 2 75.75 76.00 938.8 938.8 2.0 0 76.00 76.25 938.8 938.8 2.0 0 76.25 76.50 938.8 938.8 2.0 0 76.50 76.75 938.8 938.8 1.5 1 76.75 77.00 938.8 938.8 1.5 8 77.00 77.25 938.8 938.8 2.0 2 77.25 77.50 938.8 947.7 2.0 1 77.50 77.75 947.7 962.8 1.5 2 77.75 78.00 962.8 1036.1 2.0 5 78.00 78.25 1036.1 1036.1 2.0 2 78.25 78.50 1036.1 1061.1 2.0 1 78.50 78.75 1061.1 1073.1 2.0 6 78.75 79.00 1073.1 1090.3 2.0 6 79.00 79.25 1090.3 1106.0 2.0 3 79.25 79.50 1106.0 1106.0 2.0 4 79.50 79.75 1106.0 1106.0 2.0 4 79.75 80.00 1106.0 1106.0 2.0 0 80.00 80.25 1106.0 1106.0 2.0 4 80.25 80.50 1106.0 1106.0 2.0 11 80.50 80.75 1106.0 1106.0 2.0 15 80.75 81.00 1106.0 1106.0 2.0 44 81.00 81.25 1106.0 1106.0 2.0 25 81.25 81.50 1106.0 1106.0 2.0 5 81.50 81.75 1106.0 1106.0 2.0 10 81.75 82.00 1106.0 1106.0 2.0 16 82.00 82.25 1106.0 1106.0 2.0 19 82.25 82.50 1106.0 1106.0 2.0 21 82.50 82.75 1106.0 1106.0 2.0 12 82.75 83.00 1106.0 1106.0 2.0 3 83.00 83.25 1106.0 1106.0 2.0 16 83.25 83.50 1106.0 1106.0 2.0 9 83.50 83.75 1106.0 1106.0 2.0 7 83.75 84.00 1106.0 1106.0 2.0 9 84.00 84.25 1106.0 1106.0 2.0 6 84.25 84.50 1106.0 1106.0 2.0 1 84.50 84.75 1106.0 1106.0 2.0 2 84.75 85.00 1106.0 1106.0 2.0 0 85.00 85.25 1106.0 1106.0 2.0 1 85.25 85.50 1106.0 1106.0 2.0 2 85.50 85.75 1106.0 1106.0 2.0 4 85.75 86.00 1106.0 1106.0 1.5 5 86.00 86.25 1106.0 1106.0 2.0 33 86.25 86.50 1106.0 1106.0 2.0 33 86.50 86.75 1106.0 1106.0 1.0 8 86.75 87.00 1106.0 1106.0 2.0 30 87.00 87.25 1106.0 1106.0 2.0 23 87.25 87.50 1106.0 1106.0 2.0 10 87.50 87.75 1106.0 1106.0 1.5 13 87.75 88.00 1106.0 1106.0 2.0 4 88.00 88.25 1106.0 1106.0 2.0 5 88.25 88.50 1106.0 1106.0 1.0 2 88.50 88.75 1106.0 1106.0 2.0 9 88.75 89.00 1106.0 1106.0 2.0 12 89.00 89.25 1106.0 1120.8 1.0 7 89.25 89.50 1120.8 1120.8 2.0 20 89.50 89.75 1120.8 1120.8 2.0 19 89.75 90.00 1120.8 n/a 2.0 3