# **************************************************************** # ** Please acknowledge the contributors, the International ** # ** Multiproxy Paleofire Database, and and the North American ** # ** Pollen Database when using these data. ** # **************************************************************** # # Site name: Lake LR1 # Place: CAN:Québec # Latitude: 58.35.00N # Longitude: 75.15.00W # Elevation(m): 170 # Sigle: LAKELR1 # Entity name: # Contact person: Gajewski, K.J. # # Radiocarbon dates: # Depth Thk Age SDup SDlo Lab no. Basis Material # 16.0 12 1410 100 100 Beta-34470 L gyttja # 29.0 8 3350 120 120 Beta-31542 L gyttja # 85.0 10 4760 110 110 Beta-31543 L gyttja # 125.0 10 6740 200 200 Beta-31052 L gyttja # # Chron name: Gajewski 1 # Age model: linear interpolation # Age bounds: 90 - 6690 # Chron notes: Chron uses 4 radiocarbon dates plus sediment surface (0 BP). # # Age basis: # Depth Thk Age AgeUp AgeLo RCode # 0.0 0 0 50 -27 TOP # 16.0 12 1410 1610 1210 C14 # 29.0 8 3350 3590 3110 C14 # 85.0 10 4760 4980 4540 C14 # 125.0 10 6740 7140 6340 C14 # # Publications: Gajewski, K., S. Payette, and J.C. Ritchie. 1993. Holocene # vegetation history at the boreal-forest -- shrub-tundra # transition in north-western Québec. Journal of Ecology 81: # 433-443. # # Pollen counts and additional chronologies from this site are # available via the North American Pollen Database at: # http://www.ngdc.noaa.gov/paleo/napd.html # 1 Depth (cm) 2 Age (YrBP) 3 CCum2/ml - Charcoal (concentration, µm²/ml) 1,88,643025.25 5,441,13628667 10,881,11564226 14,1234,17013526 18,1708,5449645 20,2007,12260209 22,2305,25952018 24,2604,13584609 26,2902,6929646.5 32,3426,6849348 42,3677,9866956 50,3879,7174853 58,4080,7677374.5 66,4282,9703726 74,4483,7104684.5 82,4684,4730732 90,5008,5296458 98,5404,5627081.5 106,5800,3769838 114,6196,5158870.5 124,6690,5107698.5