Anomalous plutonium isotopic ratios in sediments of lake Qinghai from the Qinghai-Tibetan Plateau, China

Environmental Science and Technology

Volumn 45, Issue 21, 2011, Pages 9188-9194

  Wu, Fengchang ^a   Zheng, Jian ^b   Liao, Haiqing ^a   Yamada, Masatoshi ^b   Wan, Guojiang ^c  

^a CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES   (China)

^b NATIONAL INSTITUTE OF RADIOLOGICAL SCIENCES   (Japan)

^c INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AVERAGE VALUES; CLIMATIC CHANGES; GLOBAL FALLOUT; ISOTOPIC RATIOS; MODEL CALCULATIONS; NUCLEAR ACTIVITIES; ORGANIC CONTAMINANT; QINGHAI-TIBETAN PLATEAU; RESEARCH ACTIVITIES; SEDIMENT CORE; SEDIMENT DATING; SEDIMENT LAYERS; TEST SITE; VERTICAL PROFILE; WATER EUTROPHICATION;

ANOXIC SEDIMENTS; CESIUM; ENVIRONMENTAL IMPACT; EUTROPHICATION; FALLOUT; HEAVY METALS; HEAVY WATER; ISOTOPES; LAKES; LANDFORMS; NUCLEAR WEAPONS; PLUTONIUM; SEDIMENTOLOGY; WATERSHEDS;

LAKE POLLUTION;

CESIUM; PLUTONIUM;

CESIUM ISOTOPE; CHRONOLOGY; CLIMATE CHANGE; ENVIRONMENTAL IMPACT; EUTROPHICATION; ISOTOPIC RATIO; LACUSTRINE DEPOSIT; LATITUDE; MATHEMATICAL ANALYSIS; PLUTONIUM; PLUTONIUM ISOTOPE; SEDIMENT CHEMISTRY; VERTICAL PROFILE; WATERSHED;

ARTICLE; CHINA; EUTROPHICATION; LAKE SEDIMENT; LATITUDE; SEDIMENT;

CHINA; ENVIRONMENTAL MONITORING; GEOLOGIC SEDIMENTS; LAKES; PLUTONIUM; WATER POLLUTANTS, RADIOACTIVE;

CHINA; QINGHAI-XIZANG PLATEAU;

EID: 80055085364     PISSN: 0013936X     EISSN: 15205851     Source Type: Journal    
DOI: 10.1021/es202315c     Document Type: Article

References (46)

1. 210Pb. In radioactive dating; Vienna: IAEA, 1963; pp 121-131.
2. Ketterer, M. E.; Hafer, K. M.; Jones, V. J.; Appleby, P. G. Rapid dating of recent sediments in Loch Ness: inductively coupled plasma mass spectrometric measurements of global fallout plutonium Sci. Total Environ. 2004, 322, 221-229
3. Zheng, J.; Wu, F. C.; Yamada, M.; Liao, H. Q.; Liu, C. Q.; Wan, G. J. Global fallout Pu recorded in lacustrine sediments in Lake Hongfeng, SW China Environ. Pollut. 2008, 152, 314-321
4. Krishnaswamy, S.; Lal, D.; Martin, J. M.; Meybeck, D. M. Geochronology of lake sediments Earth Planet. Sci. Lett. 1971, 15, 407-414
5. 239Pu atom ratio in sediment core of Lake Chenghai, SW China J. Radioanal. Nucl. Chem. 2008, 275, 37-42
6. 137Cs in lacustrine sediments in northwestern China: quantifying sediment accumulation rates and source identifications Environ. Sci. Technol. 2010, 44, 2911-2917
7. 137Cs as a tracer Nature 1973, 242, 324-326
8. Robbins, J. A.; Edgington, D. N. Determination of recent sedimentation rates in Lake Michigan using Pb-210 and Cs-137 Geochim. Cosmochim. Acta 1975, 39, 285-304
9. Santschi, P. H.; Bollhalder, S.; Farrenkothen, K.; Lueck, A.; Zingg, S.; Sturm, M. Chernobyl radionuclides in the environment: tracers for the tight coupling between atmospheric, terrestrial, and aquatic geochemical processes Environ. Sci. Technol. 1988, 22, 510-516
10. Olivier, S.; Bajo, S.; Fifield, L. K.; Gaggeler, H.; Papina, T.; Santschi, P. H.; Schotterer, U.; Schwikowski, M.; Wacker, L. Plutonium from global fallout recorded in an ice core from the Belukha Glacier, Siberian Altai Environ. Sci. Technol. 2004, 38, 6507-6512
11. Hardy, E. P.; Krey, P. W.; Volchok, H. L. Plutonium fallout in Utah. In USAEC-Report HASL-257, 1972, pp 1-95.
12. MacKenzie, A. B.; Stewart, A.; Cook, G. T.; Mitchell, L.; Ellet, D. J.; Griffiths, C. R. Manmade and natural radionuclides in north east Atlantic shelf and slope sediments: Implications for rates of sedimentary processes and for contaminant dispersion Sci. Total Environ. 2006, 369, 256-272
13. 239Pu ratio, a potential geochronometer Earth Planet. Sci. Lett. 1985, 72, 1-8
14. 239Pu as determined by quadrupole inductively coupled plasma mass spectrometry Environ. Sci. Technol. 2002, 36, 1307-1311
15. UNSCEAR. Ionizing Radiation: Sources and biological effects. In United Nations Scientific Committee on the Effects of Atomic Radiation. 1982 Report to the General Assembly, New York, 1982, pp 223-238.
16. 237Np Sci. Total Environ. 1999, 237/238, 483-500
17. Micholas, N. J.; Coop, K. L.; Estep, R. J. Capability and Limitation Study of DDT Passive-Active Neutron Waste Assay Instrument, Los Alamos National Laboratory, LA-12237-MS, 1992.
18. Yamamoto, M.; Tsumura, A.; Katayama, Y.; Tsukatani, T. Plutonium isotopic composition in soil from the former Semipalatinsk nuclear test site Radiochim. Acta 1996, 72, 209-215
19. Boulyga, S. F.; Becker, J. S. Isotope analysis of uranium and plutonium using ICP-MS and estimation of burn-up of spent uranium in contaminated environmental samples J. Anal. At. Spectrom. 2002, 17, 1143-1147
20. Ketterer, M. E.; Hafer, K. M.; Mietelski, J. W. Resolving Chernobyl vs. global fallout contributions in soil from Poland using plutonium atom ratios measured by inductively coupled plasma mass spectrometry J. Environ. Radioact. 2004, 73, 183-201
21. Warneke, T.; Croudace, I. W.; Warwick, P. E.; Taylor, R. N. A new ground-level fallout record of uranium and plutonium isotopes for northern temperate latitudes Earth Planet. Sci. Lett. 2002, 203, 1047-1057
22. Varga, Z. Origin and release date assessment of environmental plutonium by isotopic composition Anal. Bioanal. Chem. 2007, 389, 725-732
23. 239Pu isotopic ratios in soils from the Marshall Islands using ICP-MS Sci. Total Environ. 2001, 278, 151-159
24. 137Cs released from Nagasaki atomic bomb in sediment of Nishiyama reservoir at Nagasaki J. Environ. Radioact. 2008, 99, 211-217
25. Yamamoto, M.; Komura, K.; Sakanoue, M. Discrimination of the plutonium due to atomic explosion in 1945 from global fallout plutonium in Nagasaki soil J. Radiat. Res. 1983, 24, 250-258
26. Eriksson, M.; Lindahl, P.; Roos, P.; Dahlgaard, H.; Holm, E. U, Pu, and Am nuclear signatures of the Thule hydrogen bomb debris Environ. Sci. Technol. 2008, 42, 4717-4722
27. 137Cs in the surrounding areas of the former Soviet Union's Semipalatinsk nuclear test site J. Radioanal. Nucl. Chem. 1999, 242, 63-74
28. Yamamoto, M.; Hoshi, M.; Tanaka, J.; Sakaguchi, A.; Apsalikov, K. N.; Gusev, B. I. Distributions of Pu isotopes and 137Cs in soil from Semipalatinsk nuclear test site detonations throughout southern districts J. Radioanal. Nucl. Chem. 2004, 261, 19-36
29. Norris, R. S.; Burrows, A. S.; Fieldhouse, R. W. Nuclear Weapons Databook, Vol. V: British, French and Chinese Nuclear Weapons; Westview Press: Boulder, 1994; pp 333-336.
30. Wright, D.; Gronlund, L. Estimating China's production of plutonium for weapons Sci. Global Secur. 2003, 11, 61-80
31. Lanzhou Institute of Geology. A comprehensive investigation report of Lake Qinghai; Beijing Scientific Press: Beijing, 1979; pp 1-270 (in Chinese).
32. Li, J. G.; Philp, R. P.; Pu, F.; Allen, J. Long-chain alkenones in Lake Qinghai sediments Geochim. Cosmochim. Acta 1996, 60, 235-241
33. ex and organic matter in sediments of a nutrient-enriched lake: an example from Lake Chenghai, China Chem. Geol. 2005, 224, 223-236
34. Zheng, J.; Yamada, M. Inductively coupled plasma sector field mass spectrometry with a high-efficiency sample introduction system for the determination of Pu isotopes in settling particles at femtogram levels Talanta 2006, 69, 1246-1253
35. Liao, H. Q.; Zheng, J.; Wu, F. C.; Yamada, M.; Tan, M. G.; Chen, J. M. Precise determination of plutonium isotopes in freshwater lake sediment by ICP-SFMS after separation using ion-exchange chromatography Appl. Radiat. Isot. 2008, 66, 1138-1145
36. Huh, C. A.; Chu, K. S.; Wei, C. L.; Liew, P. M. Lead-210 and plutonium fallout in Taiwan as recorded at a subalpine lake J. Asian Earth Sci. 1996, 14, 373-376
37. Shen, J.; Zhang, E. L.; Xia, W. L. Records from lake sediments of the Lake Qinghai to mirror climatic and environmental changes of the past about 1000 years Quat. Sci. 2001, 21, 508-513 (in Chinese) (http://www.dsjyj.com.cn)
38. 137Cs radionuclides Chin. J. Geochem. 2006, 25, 301-306
39. 137Cs in the surface sediments of Lake Qinghai J. Lake Sci. 2007, 19, 516-521 (in Chinese)
40. Taylor, R. N.; Warneke, T.; Andrew, M. J.; Croudace, I. W.; Warwick, P. E.; Nesbitt, R. W. Plutonium isotope ratio analysis at femtogram to nanogram levels by multicollector ICP-MS J. Anal. At. Spectrom. 2001, 16, 279-284
41. Wu, F. C.; Zheng, J.; Liao, H. Q.; Yamada, M. Distribution of artificial radionuclides in lacustrine sediments in China Radiat. Prot. Dosim. 2011, 146, 291-294
42. UNSCEAR. Sources and effects of ionizing radiation. In United Nations Scientific Committee on the Effects of Atomic Radiation. 1977 Report to the General Assembly, New York, 1977, pp 39-44.
43. Ren, T.; Zhang, S.; Li, Y.; Zhong, Z.; Su, Q.; Xu, C.; Tang, X. Methodology of retrospective investigation on external dose of the downwind area in Jiuquan region, China Radiat. Prot. Dosim. 1998, 77, 25-28
44. Hodge, V.; Smith, C.; Whiting, J. Radiocesium and plutonium still together in "background" soils after more than thirty years Chemosphere 1996, 32, 2067-2075
45. Simon, S. L.; Graham, J. C.; Borchert, A. W. Concentrations and spatial distribution of plutonium in the terrestrial environment of the Marshall Islands Sci. Total Environ. 1999, 229, 21-39
46. Krey, P. W.; Hardy, E. P.; Pachucki, C.; Rourke, F.; Coluzza, J.; Benson, W. K. Mass isotopic composition of global fallout plutonium in soil. Transuranium Nuclides in the Environment; International Atomic Energy Agency: Vienna, Austria, 1976; pp 671-678.