| FORWARD | ii | |
|---|---|---|
| PARTICIPANTS | ix | |
| I. NATURAL 14C VARIATIONS | ||
| Dendrochronology at Belfast as a Background to High-Precision Calibration | ||
| MGL Baillie, JR Pilcher, and GW Pearson | 171 | |
| High-Precision 14C Measurement of Irish Oaks to Show the Natural 14C Variations from 200 BC to 4000 BC | ||
| GW Pearson, JR Pilcher and MGL Baillie | 179 | |
| High-Precision 14C Measurement of Irish Oaks to Show the Natural Atmospheric 14C Variations of the AD Time Period | ||
| GW Pearson and MGL Baillie | 187 | |
| The Long-Term Radiocarbon Trend of the Absolute German Oak Tree-Ring Chronology, 2800 to 800 BC | ||
| Bernd Becker | 197 | |
| Radiocarbon Activity Variation in Dated Tree Rings Grown in Mackenzie Delta | ||
| CY Fan, Chen Tie-Nei, Yun Si-Xun, and Dai Kai-Mei | 205 | |
| 14C Variations During the Upper Pleistocene | ||
| JC Vogel | 213 | |
| Statistics of the AD Record of Climatic and Carbon Isotopic Change | ||
| Minze Stuiver | 219 | |
| 14C Dating and Magnetostratigraphy | ||
| Roy Thompson | 229 | |
| Atmospheric Radiocarbon: Implications for the Geomagnetic Dipole Moment | ||
| RS Sternberg and PE Damon | 239 | |
| Modeling of Atmospheric Radiocarbon Fluctuations for the Past Three Centuries | ||
| PE Damon, RS Sternberg, and CJ Radnell | 249 | |
| Short-Term Variations in Radiocarbon Concentration with the 11-Year Solar Cycle | ||
| Pavel Povinec | 259 | |
| On a 50-Year "Climate-Free" δ13C Record from Juniper Tree Rings | ||
| Steven W Leavitt and Austin Long | 267 | |
| Temporal 10Be Variations in Ice | ||
| Juerg Beer, Michael Andrée Hans Oeschger, Bernhard Stauffer, Richard Balzer, Georges Bonani, Christian Stoller, Martin Suter, Willy Woelfli, and Robert C Finkel | 269 | |
| Calibrated 14C Dates in Central Europe - Same as Elsewhere? | ||
| JC Freundlich and Burghart Schmidt | 279 | |
| Dendrochronology of Bristlecone Pine: A Progress Report | ||
| CW Ferguson and DA Graybill | 287 | |
| II. HYDROLOGY | ||
| Mathematical Modeling of the Distribution of Natural 14C, 234U, and 238U in a Regional Ground-Water System | ||
| FJ Pearson, Jr, CJ Noronha, and RW Andrews | 291 | |
| 13CO2 and 14CO2 Measurements on Soil Atmosphere Sampled in the Western Great Plains of the US | ||
| Herbert Haas, DW Fisher, DC Thorstenson, and EP Weeks | 301 | |
| Distribution of Gaseous 12CO2, 13CO2, and 14CO2 in the Sub-Soil Unsaturated Zone of the Western Great Plains | ||
| DC Thorstenson, EP Weeks, Herbert Haas and DW Fisher | 315 | |
| A Contribution to the Interpretation of 14C Groundwater Ages Considering the Example of a Partially Confirmed Sandstone Aquifer | ||
| Lorenz Eichinger | 347 | |
| Groundwater Circulation in the Meade Thrust Allochthon Evaluated by Radiocarbon Techniques | ||
| AB Muller and AL Mayo | 357 | |
| III. 14C APPLICATIONS | ||
| Radiocarbon Profiles of Rocky Islet, Xi-Sha Islands: Evidence of Recent Crustal Movements in the South China Sea | ||
| Chen Yee-Chein and Jiao Wen-Quiang | 375 | |
| Mid-Wisconsinan Radiocarbon Dates from Mastodon- and Mammoth-Bearing Springs, Ozark Highland, Missouri | ||
| CV Haynes, Minze Stuiver, Herbert Haas, JE King, FB King and JJ Saunders | 381 | |
| Radiocarbon Dating in the Arctic Region | ||
| Ingrid U Olsson | 393 | |
| Studies on Holocene Geochronology of the Coastal Region of Southern Fujian, China | ||
| Chen Chenghui, Huang Baolin, and Wang Mingliang | 395 | |
| The Unreliability of 14C Dates Obtained from Buried Sandy Podzols | ||
| Mebus A Geyh Gunter Roeschmann, TA Wijmstra, and AA Middeldorp | 409 | |
| Possible Depletion in 14C in Trees Growing in Calcareous Soils | ||
| Henrik Tauber | 417 | |
| Radiocarbon Dating of Tufa in Paleoclimatic Studies | ||
| Dusan Srdoc, Nada Horvatincic, Bogomil Obelic, and Adela Sliepcevic | 421 | |
| A System for Studying Carbon Allocation in Plants Using 11C-Labeled Carbon Dioxide | ||
| Youhanna Fares, JD Goeschl, CE Magnuson, CE Nelson, BR Strain, CH Jaeger, and EG Bilpuch | 429 | |
| Measurement of Carbon Fixation and Allocation Using 11C-Labeled Carbon Dioxide | ||
| BR Strain, JD Goeschl, CH Jaeger, Youhanna Fares, CE Magnuson, and CE Nelson | 441 | |
| IV. OCEANOGRAPHY | ||
| Long-Term Variability of Temperature and 14C in the Gulf Stream: Oceanographic Implications | ||
| Ellen M Druffel | 449 | |
| Carbon Exchange Between Atmosphere and Oceans in a Latitude-Dependent Advection-Diffusion Model | ||
| Gerhard Kratz, CH Kohlmaier, EO Siré, Ursula Fischbach, and Horst Bröhl | 459 | |
| V. GENERAL ASPECTS OF 14C TECHNIQUE | ||
| International Comparison of Proportional Gas Counters for 14C Activity Measurements | ||
| Willem G Mook | 475 | |
| Radiocarbon Dating of Millimole-Sized Gaseous Samples | ||
| Dusan Srdoc, Bogomil Obelic, and Nada Horvatincic | 485 | |
| Radiocarbon Dating Archaeologic and Environmental Samples Containing 10 to 120 Milligrams of Carbon | ||
| John C Sheppard, J Fred Hopper, and Yvonne Welter | 493 | |
| The-Radon Problem in 14C Dating | ||
| Reidar Nydal | 501 | |
| Evaluation of Direct-Precipitation and Gas-Evolution Methods for Radiocarbon Dating of Ground Water | ||
| In Che Yang | 511 | |
| An International Reference Material for Radiocarbon Dating | ||
| WB Mann | 519 | |
| Stable Isotope Fractionation During Benzene Synthesis For Radiocarbon Dating | ||
| Hector O Panarello, Miguel C Albero, and Fernando E Angiolini | 529 | |
| Radiocarbon Dating of Fossil Eggshell | ||
| Austin Long, Richard Hendershott, and PS Martin | 533 | |
| A Secondary Standard for Radiocarbon Dating | ||
| Fernando E Angiolini and Miguel C Albero | 541 | |
| A Multiple Proportional 14C Counter System for Milligram-Sized Samples | ||
| Gert Hut, Jan Keyser, and Stef Wijma | 547 | |
| Miniature Signals and Miniature Counters: Accuracy Assurance Via Microprocessors and Multiparameter Control Techniques | ||
| LA Currie, RW Gerlach, CA Klouda, FC Ruegg, and GB Tompkins | 553 | |
| Development and Operation of the Harwell Small Counter Facility for the Measurement of 14C in Very Small Samples | ||
| RL Otlet G Huxtable, GV Evans, DC Humphreys, TD Short, and SJ Conchie | 565 | |
| An Evaluation of Shielding Characteristics Applicable to Mini Gas Proportional Counter-Based 14C Dating Systems | ||
| Lauri Kaihola, Hannu Kojola, Henry Polach, Erkki Soini, and Robert Otlet | 577 | |
| VI. ANTHROPOGENIC 14C VARIATIONS | ||
| Anthropogenic 14C Variations | ||
| Monika Segl, Ingeborg Levin, Hilla Schoch-Fischer, Marianne Münnich, Bernd Kromer, Jochen Tschiersch, and KO Münnich | 583 | |
| The Use of 14C in Natural Materials to Establish the Average Gaseous Dispersion Patterns of Releases from Nuclear Installations | ||
| RL Otlet, AJ Walker, and H Longley | 593 | |
| On the Origin of Carbonaceous Particles in American Cities: Results of Radiocarbon "Dating" and Chemical Characterization | ||
| EA Currie, CA Klouda, RE Continetti, IR Kaplan, WW Wong, TG Dzubay, and RK Stevens | 603 | |
| Radiocarbon Measurements of Particulates in Smog | ||
| Rainer Berger, RM Johnson, and JR Holmes | 615 | |
| Anthropogenic Changes in Organic Carbon and Trace Metal Input to Lake Washington | ||
| WR Schell, JR Swanson, and LA Currie | 621 | |
| Time History of Human Gallstones: Application of the Post-Bomb Radiocarbon Signal | ||
| Ellen M Druffel and Henry YI Mok | 629 | |
| VII. ARCHAEOLOGY | ||
| The Integration of Radiocarbon Dating in Archaeology | ||
| HT Waterbolk | 639 | |
| The Reliability of Archaeologic Interpretation of Radiocarbon Dates | ||
| Horst Willkomm | 645 | |
| Non-Concordance of Radiocarbon and Amino Acid Racemization Deduced Age Estimates on Human Bone: Implications for the Dating of the Earliest Homo Sapiens in the New World | ||
| RE Taylor | 647 | |
| Direct Bone Dating in a Small CO2 Counter | ||
| Rainer Berger | 655 | |
| Radiocarbon Database: A Pilot Project | ||
| Steinar Gulliksen | 661 | |
| Database Management Systems, Radiocarbon, and Archaeology | ||
| JC Moffett and RE Webb | 667 | |
| Possibilities in the Dating of Writing Materials and Textiles | ||
| Richard Burleigh and AD Baynes-Cope | 669 | |
| VIII. TECHNICAL ASPECTS OF ACCELERATOR MASS SPECTROMETRY | ||
| Accelerator Mass Spectrometry: From Nuclear Physics to Dating | ||
| Walter Kutschera | 677 | |
| Tandem Accelerator Measurements of 10Be Deposition Rates | ||
| DE Nelson, RG Korteling, JR Southon, JS Vogel, I Nowikow, TL Ku, Masashi Kusakabe, and JL Reyss | 693 | |
| Recent 14C Measurements with the Chalk River Tandem Accelerator | ||
| RM Brown, HR Andrews, GC Ball, N Burn, WG Davies, Y Imahori, JCD Milton and W Workman | 701 | |
| Current 14C Measurements with the University of Washington Accelerator Facility for Radioisotope Dating | ||
| GW Farwell, PM Grootes, DD Leach, FH Schmidt, and Minze Stuiver | 711 | |
| Results of Tests and Measurements from the NSF Regional Accelerator Facility for Radioisotope Dating | ||
| DJ Donahue, TH Zabel, AJT Jull, PE Damon, and KH Purser | 719 | |
| The Oxford Radiocarbon Accelerator Facility | ||
| Richard Gillespie, REM Hedges, and NR White | 729 | |
| Radiocarbon Dating with the Utrecht Tandem Accelerator | ||
| Y Van der Borg, JA Hoogenboom, RA Jelmersma, Abraham Vermeer, and Gert Hut | 739 | |
| Radioisotope Dating with the ETHZ-EN Tandem Accelerator | ||
| Willy Woelfli, Georges Bonani, Martin Suter, Richard Balzer, Marzio Nessie, Christian Stoller, Juerg Beer, Hans Oeschger, and Michael Andrée | 745 | |
| Technological Advances in the University of Washington Accelerator Mass Spectrometry System | ||
| GW Farwell, PM Grootes, DD Leach, and FH Schmidt | 755 | |
| Production of C- Directly from CO2 Using the ANIS Sputter Source | ||
| Jan Heinemeier and Hans Henrik Andersen | 761 | |
| Sample Chemistry for the Oxford High Energy Mass Spectrometer | ||
| Richard Gillespie and Robert EM Hedges | 771 | |
| Survey of Simple Carbon Compounds for Use in a Negative Ion Sputter Source | ||
| JS Vogel, IG Nowikow, JR Southon, and DE Nelson | 775 | |
| Detection of the 36Cl Radioisotope at the Rehovot 14UD Pelletron Accelerator | ||
| Michael Paul, Oded Meirav, Walter Henning, Walter Kutschera, Robert Kaim, Mark B Goldberg, Jean Gerber, William Hering, Aaron Kaufman, and Mordeckai Magaritz | 785 | |
| BUSINESS MEETING | ||
| International Agreements and the Use of the New Oxalic Acid Standards | ||
| Minze Stuiver | 793 | |