[1]Buringh P. An Assessment of Losses and Degradation of Productive Agricultural Land in the World[R]. Rome: Working Group on Soil Policy of Food and Agriculture Organization, FAO, UN, 1981. [2]Brown L R. Conserving soils [A]. In: Brown L R. State of the World[C]. New York: Norton, 1984. 53-75. [3]Olsen C R, Larse I L, Lowry P D, et al. Atmospheric fluxes and marsh-soil inventories of 7Be and 210Pb [J]. J Geophys Res, 1985, 90: 10 487-10 495. [4]Baskaran M, Coleman C H, Santschi P H. Atmospheric deposition fluxes of 7Be and 210Pb at Galveston and College Station, Texas [J]. J Geophys Res, 1993, 98: 20 555-20 571. [5]Baskaran M. A search for the seasonal variability on the depositional fluxes of 7Be and 210Pb [J]. J Geophys Res, 1995, 100: 2 833-2 840. [6]Wallbrink P J, Murray A S. Fallout of 7Be in south eastern Australia [J]. J Environ Radioact, 1994, 25: 213-228. [7]Hawly N, Robbins J A, Eadie B J. The partitioning of 7Beryllium in fresh water [J]. Geochim Cosmochim Acta, 1986, 50: 1 127-1 131. [8]Bai Z G, Wan G J, Wang C S, et al.Geochemical specification of soil 7Be, 137Cs, 226Ra and 228Ra as tracer to particle transport [J]. Pedosphere, 1997, 7(3): 263-268. [9]Bai Z G, Wan G J, Wang C S, et al. 7Be: A geochemical tracer for seasonal erosion of surface soil in watershed of Lake Hongfeng, Guizhou, China [J]. Pedosphere, 1996, 6(1): 23-28. [10]Murray A S, Olley J M. Natural radionuclide behavior in the fluvial environment [J]. Radiat Prot Dosim, 1992, 45: 285-288. [11]Young J A, Silker W A. Aerosol deposition on the Pacific and Atlantic oceans calculated from 7Be measurements [J]. Earth Planetary Sci Letter, 1987, 50: 92-104. [12]Wan G J, Santschi P H, Sturm M, et al. Natural (210Pb, 7Be) and fallout (137Cs, 239,240Pu, 90Sr) radionuclides as geochemical tracers of sedimentation in Greifensee, Switzerland [J]. Chem Geol, 1987, 63: 181-196. [13]Blake W H, Walling D E, He Q. Fallout beryllium-7 as a tracer in soil erosion investigations [J]. Appl Radiat Isotopes, 1999, 51:599-605. [14]Wallbrink P J, Murray A S. Distribution and variability of 7Be in soils under different surface cover conditions and its potential for describing soil redistribution processes [J]. Water Resource Res, 1996, 32: 467-476. [15]Walling D E, He Q P, Blake W. Use of 7Be and 137Cs measurements to document short- and medium-term rates of water-induced soil erosion on agricultural land [J]. Water Resource Res, 1999, 35(12): 3 865-3 874. [16]Wallbrink P J, Murray A S. Use of fallout radionuclides as indicators of erosion processes [J]. J Hydrol Processes, 1993, 7: 297-304. [17]Burch G J, Barnes C J, Moore I D, et al. Detection and prediction of sediment sources in catchments: use of 7Be and 137Cs [A].Proceedings of the Hydrological and Water Resources Symposium ACT [C]. Inst Eng Aust, Nat Conf Publ, 1988. 146-151. [18]Tang Xiangyu, Yang Hao, Zhao Qiguo, et al. Review on progresses in application of the 137Cs tracer technique to the estimate of soil erosion [J]. Advance in Earth Sciences, 2000,15(5):576-582.[唐翔宇,杨浩,赵其国,等.137Cs示踪技术在土壤侵蚀估算中的应用研究进展[J].地球科学进展,2000,15(5):576-582.] |