137 results on '"Fifield, L Keith"'
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2. Cosmogenic 10Be and 26Al sample preparation at the University of Wollongong
3. Accelerator mass spectrometry measurements of 93Zr for astrophysical and nuclear technology applications
4. Plutonium isotopes in the North Western Pacific sediments coupled with radiocarbon in corals recording precise timing of the Anthropocene
5. Toward defining the Anthropocene onset using a rapid increase in anthropogenic fingerprints in global geological archives.
6. The 240Pu/239Pu atom ratio in Chinese soils
7. Development of 231Pa AMS measurements to improve radiological dose assessment from uranium mining and milling
8. New and upgraded ionization chambers for AMS at the Australian National University
9. Deposition of artificial radionuclides in sediments of Loch Etive, Scotland
10. Production of 21Ne in depth-profiled olivine from a 54 Ma basalt sequence, Eastern Highlands (37° S), Australia
11. Decoupling of solutes and water in regional groundwater systems: The Murray Basin, Australia
12. Differences in groundwater and chloride residence times in saline groundwater: The Barwon River Catchment of Southeast Australia
13. CRONUS-Earth calibration samples from the Huancané II moraines, Quelccaya Ice Cap, Peru
14. Origin of artificial radionuclides in soil and sediment from North Wales
15. Background reduction in 236U/238U measurements
16. In-situ production of natural 236U in groundwaters and ores in high-grade uranium deposits
17. High 36Cl/Cl ratios in Chernobyl groundwater
18. Record of 3H and 36Cl from the Fukushima nuclear accident recovered from soil water in the unsaturated zone at Koriyama.
19. Long-range tropospheric transport of uranium and plutonium weapons fallout from Semipalatinsk nuclear test site to Norway
20. Erosion rates and weathering history of rock surfaces associated with Aboriginal rock art engravings (petroglyphs) on Burrup Peninsula, Western Australia, from cosmogenic nuclide measurements
21. Using 3H and 14C to constrain the degree of closed-system dissolution of calcite in groundwater
22. Plutonium isotope measurements from across continental Australia
23. Constraining groundwater flow, residence times, inter-aquifer mixing, and aquifer properties using environmental isotopes in the southeast Murray Basin, Australia
24. Comparative optical and radiocarbon dating of laminated Holocene sediments in two maar lakes: Lake Keilambete and Lake Gnotuk, south-western Victoria, Australia
25. Late-Surviving Megafauna in Tasmania, Australia, Implicate Human Involvement in Their Extinction
26. The behaviour of the Leeuwin Current offshore NW Australia during the last five glacial–interglacial cycles
27. Late Pleistocene glaciation of the Mt Giluwe volcano, Papua New Guinea
28. Absence of Cooling in New Zealand and the Adjacent Ocean during the Younger Dryas Chronozone
29. Coral Reef Sedimentation on Rodrigues and the Western Indian Ocean and Its Impact on the Carbon Cycle
30. Exposure-age constraints on the extent, timing and rate of retreat of the last Irish Sea ice stream
31. Concentration and characterization of plutonium in soils of Hubei in central China
32. Tectonic and climatic controls of denudation rates in active orogens: The San Bernardino Mountains, California
33. Physical hydrogeology and environmental isotopes to constrain the age, origins, and stability of a low-salinity groundwater lens formed by periodic river recharge: Murray Basin, Australia
34. Silicon-32 as a tool for dating the recent past
35. Uplift rates defined by U-series and 14C ages of serpulid-encrusted speleothems from submerged caves near Siracusa, Sicily (Italy)
36. Association of plutonium with sediments from the Ob and Yenisey Rivers and Estuaries
37. Glaciation and deglaciation of the SW Lake District, England: implications of cosmogenic 36Cl exposure dating
38. The age and paleoclimate implications of relict periglacial block deposits on the New England Tablelands, Australia.
39. Age constraints on Pleistocene megafauna at Tight Entrance Cave in southwestern Australia
40. Cl/Br ratios and environmental isotopes as indicators of recharge variability and groundwater flow: An example from the southeast Murray Basin, Australia
41. Dating ancient wood by high-sensitivity liquid scintillation counting and accelerator mass spectrometry—Pushing the boundaries
42. Climatic variability in the southwest Pacific during the Last Termination (20–10 kyr BP)
43. Cosmogenic 10Be and 26Al exposure ages of tors and erratics, Cairngorm Mountains, Scotland: Timescales for the development of a classic landscape of selective linear glacial erosion
44. Geochemical changes recorded in Lynch's Crater, Northeastern Australia, over the past 50 ka
45. Timing of the Last Glacial Maximum from observed sea-level minima
46. Millennial and orbital variations of El Niño/Southern Oscillation and high-latitude climate in the last glacial period
47. Determination of total I and 129I concentrations in freshwater of Argentina
48. Oligomeric but not monomeric silica prevents aluminum absorption in humans
49. Phasing of millennial-scale climate variability in the Pacific and Atlantic Oceans.
50. The age of Wolfe Creek meteorite crater (Kandimalal), Western Australia.
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