# Paleo-pCO2 Database Early Cenozoic Stomata CO2 Data #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #----------------------------------------------------------------------- # Template Version 3.0 # Encoding: UTF-8 # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/26190 # Description: NOAA Landing Page # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/trace_gases/Paleo-pCO2/milligan2019stomata_franks.txt # Description: NOAA location of the template # # Original_Source_URL: # Description: # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Climate Forcing # # Dataset DOI: # # Parameter_Keywords: carbon dioxide #-------------------- # Contribution_Date # Date: 2019-02-07 #-------------------- # File_Last_Modified_Date # Date: 2020-02-25 #-------------------- # Title # Study_Name: Paleo-pCO2 Database Early Cenozoic Stomata CO2 Data #-------------------- # Investigators # Investigators: Milligan; Royer, D.L. #-------------------- # Description_Notes_and_Keywords # Description: Stomata Paleo-CO2 data from Milligan et al. 2019, contributed to the Paleo-pCO2 Database. # File updated February 2020 - new Paleo-pCO2 Database format # # Additional references: # Franks, P.J., Royer, D.L., Beerling, D.J., Van de Water, P.K., Cantrill, D.J., Barbour, M.M., Berry, J.A. 2014. New constraints on atmospheric CO2 concentration for the Phanerozoic. Geophysical Research Letters, 41: 4685-4694. # Kowalczyk, J.B., Royer, D.L., Miller, I.M., Anderson, C.W., Beerling, D.J., Franks, P.J., Grein, M., Konrad, W., Roth-Nebelsick, A., Bowring, S.A., Johnson, K.R., and Ramezani, J., 2018. Multiple proxy estimates of atmospheric CO2 from an early Paleocene rainforest: Paleoceanography and Paleoclimatology, v. 33, p. 1427-1438. #-------------------- # Publication # Authors: Milligan, et al. # Published_Date_or_Year: 2019 in prep. # Published_Title: # Journal_Name: in prep. # Volume: # Edition: # Issue: # Pages: # Report_Number: # DOI: # Online_Resource: # Full_Citation: # Abstract: #------------------ # Funding_Agency # Funding_Agency_Name: # Grant: #------------------ # Site_Information # Site_Name: LJH7659 # Location: North America>United States Of America>Wyoming # Country: United States Of America # Northernmost_Latitude: 44.95 # Southernmost_Latitude: 44.95 # Easternmost_Longitude: -108.87 # Westernmost_Longitude: -108.87 # Elevation: m #------------------ # Data_Collection # Collection_Name: Milligan2019stomata_Franks # Earliest_Year: 66000000 # Most_Recent_Year: 65000000 # Time_Unit: Cal. Year BP # Core_Length: # Notes: #------------------ # Chronology_Information # Chronology: # #---------------- # Variables # # Data variables follow are preceded by "##" in columns one and two. # Data line variables format: one per line, shortname-tab-variable components (what, material, error, units, seasonality, data type,detail, method, C or N for Character or Numeric data, free text) # # #---------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Values: # proxy first_author_last_name publication_year doi age_ka Age_uncertainty_pos_ka Age_uncertainty_neg_ka CO2_ppm CO2_uncertainty_pos_ppm CO2_uncertainty__neg_ppm person who entered data date of data entry Citation doi "Sample Name" Family Genus Species "Sample repository" "Geologic Formation" Stratigraphic Level Age (Ma) "Age uncertainty, old (Ma)" "Age uncertainty, young (Ma)" Age scale (GTS20XX) How was age determined? "Latitude, present-day (decimal degrees)" "Longitude, present-day (decimal degrees)" Estimated atmospheric CO2 concentration (ppm) CO2 type CO2 low (ppm) CO2 high (ppm) "What is the CO2 range (""low"" and ""high"")?" What is the distribution of the uncertainties? "Counting Method (Image, microscope)" "Counting box dimensions (µm × µm)" Dab eDab N_eDab Dad eDad N_eDad GCLab eGCLab N_eGCLab GCLad eGCLad N_eGCLad GCWab eGCWab N_eGCWab GCWad eGCWad N_eGCWad d13Cp ed13Cp N_ed13Cp d13Ca ed13Ca N_ed13Ca CO2_0 A0 eA0 N_eA0 CiCa0 eCiCa0 N_eCiCa0 gb egb N_egb s1 es1 N_es1 s2 es2 N_es2 s3 es3 N_es3 s4 es4 N_es4 s5 es5 N_es5 fixed_A b d.v. gamma temp stomata-franks Milligan 2019 10.1029/2018GL081215 66042.5 0.5 0.5 873 567 320 Dana L. Royer Feb-19 "Milligan, J. N., Royer, D. L., Franks, P. J., Upchurch, G. R., and McKee, M. L., 2019, No evidence for a large atmospheric CO2 spike across the Cretaceous-Paleogene boundary: Geophysical Research Letters, v. 46, p. 3462-3472." 10.1029/2018GL081215 Clear Creek South locality (9916) Blechnaceae aff. Stenochlaena NA Gary Upchurch Raton Formation 5 to 25 cm above the K-Pg boundary 66.0425 66.0430 66.0420 NA K-Pg boundary is identified from an iridium spike and presence of shocked quartz; duration of fern spike is constrained in Clyde et al. (2016; 10.1016/j.epsl.2016.07.041) 37.08 -104.52 873 median 553 1440 2.5 and 97.5 percentiles right skewed microscope 200x magnification 4.67E+07 2.55E+06 4 leaves 0.00E+00 0.00E+00 4 leaves 1.27E-05 2.64E-07 4 leaves 0.00E+00 0.00E+00 4 leaves 1.44E-05 1.14E-06 4 leaves 0.00E+00 0.00E+00 4 leaves -27.49 0.02 10 leaves -7.7 1.1 "age models of Tipple et al. (2010; 10.1029/2009PA001851) and Barral et al. (2017; 10.1016/j.palaeo.2017.01.034), along with an assumed negative carbon isotope excursion of 2 per mil (see Milligan et al., 2019)" 500 3.69 0.34 calculated from 5 Stenochlaena palustris plants grown inside growth chambers at 500 ppm CO2 0.66 0.03 calculated from 5 Stenochlaena palustris plants grown inside growth chambers at 500 ppm CO2 2 0.1 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 1 0 "pore length was measured directly, so this scalar has no error" 1 0.05 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.5 0.025 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.21 0.03 "calculated from 5 Stenochlaena palustris plants grown inside growth chambers at 500 ppm CO2; adjusted for non-stomatal bearing area (see Milligan et al., 2019)" 0.013 0.00065 generic value from Franks et al. (2014); 1 sigma error is 5% of mean no 30 0.000940096 40 25 stomata-franks Milligan 2019 10.1029/2018GL081215 65543 500 500 630 551 222 Dana L. Royer Feb-19 "Milligan, J. N., Royer, D. L., Franks, P. J., Upchurch, G. R., and McKee, M. L., 2019, No evidence for a large atmospheric CO2 spike across the Cretaceous-Paleogene boundary: Geophysical Research Letters, v. 46, p. 3462-3472." 10.1029/2018GL081215 site LJH 7659 Ginkgoaceae Ginkgo adiantoides Yale Peabody Museum Fort Union Formation 4 m above K-Pg boundary 65.5430 66.0430 65.0430 NA "biostratigraphy, a K-Pg age of 66.0 Myrs ago, and an assumption of constant sedimentation rates" 44.95 -108.87 630 median 408 1181 2.5 and 97.5 percentiles right skewed microscope 200x magnification 1.05E+08 4.11E+06 13 leaves 0.00E+00 0.00E+00 13 leaves 1.22E-05 2.00E-06 13 leaves 0.00E+00 0.00E+00 13 leaves 1.66E-05 2.70E-06 13 leaves 0.00E+00 0.00E+00 13 leaves -25.82 0.48 13 leaves -5.1 0.3 age models of Tipple et al. (2010; 10.1029/2009PA001851) and Barral et al. (2017; 10.1016/j.palaeo.2017.01.034) 388 8.09 0.24 value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree 0.57 0.05 value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree 2 0.1 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 1 0 "pore length was measured directly, so this scalar has no error" 1 0.05 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.6 0.03 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.44 0.04 "value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree; adjusted for non-stomatal bearing area (see Milligan et al., 2019)" 0.013 0.00065 generic value from Franks et al. (2014); 1 sigma error is 5% of mean no 30 0.000940096 40 25 stomata-franks Milligan 2019 10.1029/2018GL081215 66543 200 200 624 258 170 Joseph Milligan Feb-19 "Milligan, J. N., Royer, D. L., Franks, P. J., Upchurch, G. R., and McKee, M. L., 2019, No evidence for a large atmospheric CO2 spike across the Cretaceous-Paleogene boundary: Geophysical Research Letters, v. 46, p. 3462-3472." 10.1029/2018GL081215 site DNMH 566 Ginkgoaceae Ginkgo adiantoides Denver Museum Hell Creek Formation 33.5 m below the K-Pg boundary 66.5430 66.7430 66.3430 NA "geochronology, magnetostratigraphy,a K-Pg age of 66.0 Myrs ago, and an assumption of constant sedimentation rates" 46.14972 -103.8161 624 median 454 882 2.5 and 97.5 percentiles right skewed microscope 200x magnification 6.41E+07 6.84E+06 10 leaves 0.00E+00 0.00E+00 10 leaves 1.42E-05 5.63E-07 10 leaves 0.00E+00 0.00E+00 10 leaves 1.95E-05 7.71E-07 10 leaves 0.00E+00 0.00E+00 10 leaves -24.50 0.15 10 leaves -5.8 0.42 age models of Tipple et al. (2010; 10.1029/2009PA001851) and Barral et al. (2017; 10.1016/j.palaeo.2017.01.034) 388 8.09 0.24 value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree 0.57 0.05 value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree 2 0.1 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 1 0 "pore length was measured directly, so this scalar has no error" 1 0.05 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.6 0.03 generic value from Franks et al. (2014); 1 sigma error is 5% of mean 0.44 0.04 "value reported by Kowalczyk et al. (2018) for 17 leaves from a single Ginkgo biloba tree; adjusted for non-stomatal bearing area (see Milligan et al., 2019)" 0.013 0.00065 generic value from Franks et al. (2014); 1 sigma error is 5% of mean no 30 0.000940096 40 25