# **************************************************************** # ** Please acknowledge the contributors, the International ** # ** Multiproxy Paleofire Database, and and the North American ** # ** Pollen Database when using these data. ** # **************************************************************** # # Site name: Como Lake # Place: USA:Colorado # Latitude: 37.33.00N ( 37.55 ) # Longitude: 105.30.00W (-105.5 ) # Elevation(m): 3523 # Sigle: COMOLAKE # Entity name: # Contact person: Davis, O.K. # # Radiocarbon dates: # Depth Thk Age SDup SDlo Lab no. Basis Material # 60.0 10 4390 80 80 A-5088 G gyttja # 150.0 10 7720 100 100 A-5086 G Picea wood # 205.0 10 8715 65 65 AA-5052 A Picea macrofossils # 245.0 10 10260 230 230 A-4895 G Picea macrofossils # 280.0 10 11730 290 290 A-5087 G gyttja # # Chron name: NAPD 1 # Age model: linear interpolation (+ extrapolation) # Age bounds: 0 - 12570 # Chron notes: Chron uses surface (0 BP) and 5 radiocarbon dates. # # Age basis: # Depth Thk Age AgeUp AgeLo RCode # 0.0 0 0 35 -35 TOP # 60.0 10 4390 4550 4230 C14 # 150.0 10 7720 7920 7520 C14 # 205.0 10 8715 8845 8585 C14 # 245.0 10 10260 10720 9800 C14 # 280.0 10 11730 12310 11150 C14 # # Publications: Jodry, M.A., D.S. Shafer, D.J. Stanford, and O.K. Davis. # 1989. Late Quaternary environments and human adaptation in # the San Luis Valley, south-central Colorado. Pages 189-208 # in Water in the valley: a 1989 perspective on water # supplies, issues, & solutions in the San Luis Valley, # Colorado. Colorado Ground-Water Association Guidebook, # Eighth Annual Field Trip, August 19-20, 1989. # # Shafer, D.S. 1989. The timing of late Quaternary monsoon # precipitation maxima in the southwest United States. # Dissertation. University of Arizona, Tuscon, Arizona, USA. # # Pollen counts from this site are available via the North American Pollen # Database at: http://www.ncdc.noaa.gov/paleo/napd.html # 1 Depth (cm) 2 Age (YrBP) 3 Charcoal Fragment Count 0,0,39 10,732,10 20,1463,31 30,2195,28 40,2927,49 50,3658,30 60,4390,52 70,4760,39 80,5130,27 90,5500,93 100,5870,29 110,6240,61 120,6610,35 130,6980,102 140,7350,71 150,7720,117 160,7901,42 170,8082,62 180,8263,43 190,8444,58 200,8625,118 210,8908,85 220,9294,55 230,9681,27 240,10067,133 250,10470,72 260,10890,100 270,11310,39 280,11730,34 290,12150,31 300,12570,56